Merge from V6_6_BR (V6_6_0rc2) 11/12/2012

configure.ac

@@ -24,7 +24,7 @@
 # Modified by : Alexander BORODIN (OCN) - autotools usage
 # Created from configure.in.base
 #
-AC_INIT([Salome2 Project SMESH module], [6.5.0], [webmaster.salome@opencascade.com], [SalomeSMESH])
+AC_INIT([Salome2 Project SMESH module], [6.6.0], [webmaster.salome@opencascade.com], [SalomeSMESH])
 AC_CONFIG_AUX_DIR(adm_local/unix/config_files)
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
@@ -588,8 +588,7 @@ AC_OUTPUT([ \
   src/Tools/padder/resources/appligen/Makefile \
   src/Tools/padder/resources/appligen/appligen.sh \
   src/Tools/padder/resources/appligen/config_appli.xml \
-  src/Tools/padder/resources/padderexe/Makefile \
-  src/Tools/padder/resources/padderexe/envPadder.sh \
+  src/Tools/padder/resources/testdata/Makefile \
   src/Tools/padder/unittests/Makefile \
   src/Tools/padder/unittests/autotest.sh \
   src/Tools/padder/doc/Makefile \

doc/salome/gui/SMESH/CMakeLists.txt

@@ -23,7 +23,7 @@ SET(top_builddir ${CMAKE_BINARY_DIR})
 SET(top_srcdir ${CMAKE_SOURCE_DIR})
 SET(srcdir ${CMAKE_CURRENT_SOURCE_DIR})
 SET(builddir ${CMAKE_CURRENT_BINARY_DIR})
-SET(datadir${CMAKE_INSTALL_PREFIX}/share)
+SET(datadir ${CMAKE_INSTALL_PREFIX}/share)
 SET(docdir ${datadir}/doc/salome)
 SET(guidocdir ${docdir}/gui/SMESH)
 
@@ -32,7 +32,7 @@ SALOME_CONFIGURE_FILE(doxyfile_py.in doxyfile_py)
 SALOME_CONFIGURE_FILE(static/header.html.in ${builddir}/static/header.html)
 SALOME_CONFIGURE_FILE(static/header_py.html.in ${builddir}/static/header_py.html)
 
-SALOME_INSTALL_SCRIPTS(collect_mesh_methods.py ${CMAKE_INSTALL_PREFIX}/bin/salome)
+SALOME_INSTALL_SCRIPTS(collect_mesh_methods.py bin/salome)
             
 SET(DOC_SMESH_MeshersList StdMeshers)
 SET(f1 "${srcdir}/collect_mesh_methods.py")
@@ -71,8 +71,8 @@ ADD_CUSTOM_TARGET(usr_docs ${PYTHON_EXECUTABLE} ${f} smesh.py ${CMAKE_SOURCE_DIR
   COMMAND mkdir tmp && ${CALL_STR} ${CMAKE_CURRENT_BINARY_DIR}/tmp_env.${EXT} && ${PYTHON_EXECUTABLE} ${f1} -o tmp/smesh.py StdMeshers
   COMMAND ${DOXYGEN_EXECUTABLE} doxyfile_py
   COMMAND ${DOXYGEN_EXECUTABLE} doxyfile
-  COMMAND ${PYTHON_EXECUTABLE} -c "import os, shutil; os.remove(r'''smesh.py'''); os.remove(r'''tmp_env.${EXT}'''); shutil.rmtree(r'''tmp''')"
-  COMMAND ${PYTHON_EXECUTABLE} -c "import shutil, sys; shutil.rmtree(r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''', True); shutil.copytree(r'''${CMAKE_CURRENT_BINARY_DIR}''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''', ignore=shutil.ignore_patterns('*usr_docs*', '*CMakeFiles*', '*.cmake', 'doxyfile*', '*.vcproj', 'static', 'Makefile*')); shutil.copy(r'''${CMAKE_CURRENT_SOURCE_DIR}/images/head.png''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''')"
+  COMMAND ${PYTHON_EXECUTABLE} -c "import os, shutil; os.remove(r'''smesh.py'''); shutil.rmtree(r'''tmp''')"
+  COMMAND ${PYTHON_EXECUTABLE} -c "import shutil, sys; shutil.rmtree(r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''', True); shutil.copytree(r'''${CMAKE_CURRENT_BINARY_DIR}''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''', ignore=shutil.ignore_patterns('tmp_env.*', '*usr_docs*', '*CMakeFiles*', '*.cmake', 'doxyfile*', '*.vcproj', 'static', 'Makefile*')); shutil.copy(r'''${CMAKE_CURRENT_SOURCE_DIR}/images/head.png''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/SMESH''')"
   VERBATIM 
   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}             
 )

doc/salome/gui/SMESH/input/about_meshes.doc

@@ -18,11 +18,11 @@ different meshing parameters than the whole mesh.
 
 Several created meshes can be \subpage building_compounds_page "combined into another mesh".
 
-The whole mesh or it's part can be \subpage copy_mesh_page "copied" into another mesh.
+The whole mesh or its part can be \subpage copy_mesh_page "copied" into another mesh.
 
 Meshing parameters of meshes and sub-meshes can be 
-\subpage editing_meshes_page "edited", then only a path of mesh
-depending on changed parameters will be re-computed.
+\subpage editing_meshes_page "edited", then only the mesh part
+depending on the changed parameters will be re-computed.
 
 Meshes can be edited using the MESH functions destined for 
 \ref modifying_meshes_page "modification" of generated meshes.

doc/salome/gui/SMESH/input/adding_nodes_and_elements.doc

@@ -7,6 +7,7 @@
 <ul>
 <li>\ref adding_nodes_anchor "Nodes"</li>
 <li>\ref adding_0delems_anchor "0D Elements"</li>
+<li>\ref adding_0delems_on_all_nodes_anchor "0D elements on Element Nodes"</li>
 <li>\ref adding_balls_anchor "Ball Elements"</li>
 <li>\ref adding_edges_anchor "Edges"</li>
 <li>\ref adding_triangles_anchor "Triangles"</li>
@@ -35,7 +36,7 @@ a node or element to the specified group or to create it anew using
 <b>Add to group</b> box, that allows choosing an existing group for
 the created node or element or giving the name to a new group. By
 default, the <b>Add to group</b> check box is switched off. If the user
-swiches this check box on, the combo box listing all currently
+switches this check box on, the combo box listing all currently
 existing groups of the corresponding type becomes available. By
 default, no group is selected. In this case, when the user presses
 <b>Apply</b> or <b>Apply & Close</b> button, the warning message box
@@ -71,21 +72,50 @@ created:
 
 \image html add0delement.png
 
-In this dialog box specify nodes which will form your 0d elements by
+In this dialog box specify nodes which will form your 0D elements by
 selecting them in the 3D viewer and click the \b Apply or
 <b>Apply and Close</b> button. Your 0D elements will be created:
 
 \image html add_0delement.png
 
+\anchor adding_0delems_on_all_nodes_anchor
+<h2>Making 0D elements on Element Nodes</h2>
+
+There is another way to create 0D elements. It is possible to create 
+0D elements on all nodes of the selected mesh, sub-mesh, or a group of elements or nodes.
+
+\image html dlg_0D_on_all_nodes.png
+
+In this dialog 
+<ul>
+  <li> The radio-buttons allow choosing the type of object to create 0D elements on.
+    <ul>
+      <li><b> Mesh, sub-mesh, group </b> -  this button allows selecting
+       a mesh, a sub-mesh or a group to create 0D elements on the nodes of its
+        elements. The name of the selected object is shown in the dialog. </li>
+      <li><b> Elements </b> - this button allows selecting elements in the
+        VTK viewer or typing their IDs in the dialog.</li>
+      <li><b> Nodes </b> - this button allows selecting nodes to create
+        0D elements on in the VTK viewer or typing their IDs in the dialog.</li>
+  </ul></li>
+  <li><b> Set Filter </b> button allows selecting elements or nodes 
+by filtering mesh elements or nodes with different criteria
+(see \ref filtering_elements "Filter usage").</li>
+<li> Switching on <b>Add to group</b> check-box allows specifying the
+  name of the group to which all created or found 0D elements  will be added. You can either select an existing group from
+  a drop-down list, or enter the name of the group to be created.</li>
+</ul>
+
+
 \anchor adding_balls_anchor
 <h2>Adding ball elements</h2>
 
 \image html addball.png
 
-In this dialog box specify nodes which will form your ball elements
-either by selecting them in the 3D viewer or by manual entering their IDs,
+In this dialog box specify the nodes, which will form your ball elements,
+either by selecting them in the 3D viewer or by manually entering their IDs,
 specify the ball diameter and click the \b Apply or <b>Apply and
-Close</b> button. Your ball elements with an equal diameter will be created:
+Close</b> button.
 
 \image html add_ball.png
 

doc/salome/gui/SMESH/input/additional_hypo.doc

@@ -20,8 +20,8 @@ adjacent elements).
 <h2>Quadratic Mesh</h2>
 
 Quadratic Mesh hypothesis allows to build a quadratic mesh (whose
-edges are not straight but broken lines and can be defined by three
-points: first, middle and last) instead of an ordinary one.
+edges are not straight but curved lines and can be defined by three
+points: first, middle and last instead of an ordinary two).
 
 \anchor propagation_anchor
 <h2>Propagation of 1D Hypothesis on opposite edges</h2>
@@ -47,32 +47,33 @@ hypothesis, this hypothesis has one restriction on its work: the total quantity
 segments on all four sides of the face must be even (divisible by 2).
 
 \anchor viscous_layers_anchor
-<h2>Viscous Layers</h2>
-
-<b>Viscous Layers</b> additional hypothesis can be used together with
-some 3D algorithms, Hexahedron(i,j,k) for example. This
-hypothesis allows creation of layers of highly stretched prisms near
-mesh boundary, which is beneficial for high quality viscous
-computations. The prisms constructed on the quadrangular mesh faces are
-actually the hexahedrons.
+<h2>Viscous Layers and Viscous Layers 2D</h2>
 
+<b>Viscous Layers</b> and <b>Viscous Layers 2D </b> additional
+hypotheses can be used together with some 3D algorithms, for example,
+Hexahedron(i,j,k) or 2D algorithms, for example, Triangle
+(MEFISTO), correspondingly. These hypotheses allow creation of layers
+of highly stretched elements, prisms in 3D and quadrilaterals in 2D,
+near mesh boundary, which is beneficial for high quality viscous
+computations.
 
 \image html viscous_layers_hyp.png
 
 <ul>
 <li><b>Name</b> - allows to define the name of the hypothesis.</li>
-<li><b>Total thicknes</b> - gives the total thickness of prism layers.</li>
-<li><b>Number of layers</b> - defines the number of prism layers.</li>
-<li><b>Stretch factor</b> - defines the growth factor of prism height
+<li><b>Total thickness</b> - gives the total thickness of element layers.</li>
+<li><b>Number of layers</b> - defines the number of element layers.</li>
+<li><b>Stretch factor</b> - defines the growth factor of element height
 from the mesh boundary inwards.</li>
-<li><b>Faces without layers</b> - defines geometrical faces on which
-  prism layers should not be constructed. By default the prism layers
-  are not constructed on geometrical faces shared by solids.
-  \note A mesh shown in the 3D Viewer can prevent selection of faces,
-  in this case just hide the mesh. To prevent a long waiting when a
-  geometry with many faces is displayed, a number of faces shown at a time
-  is limited by the value of "Sub-shapes preview chunk size" preference
-  (in Preferences/Mesh/General tab).
+<li><b>Faces (Edges) without layers</b> - defines geometrical faces
+  (or edges in 2D) on which element layers should not be
+  constructed. By default the element layers are not constructed on
+  geometrical faces shared by solids (and edges shared by faces in 2D). 
+  \note A mesh shown in the 3D Viewer can prevent selection of faces
+  and edges, in this case just hide the mesh. To avoid a long wait when a
+  geometry with many faces (or edges) is displayed, the number of faces
+  (edges) shown at a time is limited by the value of "Sub-shapes
+  preview chunk size" preference (in Preferences/Mesh/General tab).
 </li>
 </ul>
 

doc/salome/gui/SMESH/input/basic_meshing_algos.doc

@@ -64,7 +64,7 @@ There is also a number of more specific algorithms:
 </ul>
 \ref use_existing_anchor "Use existing edges" and 
 \ref use_existing_anchor "Use existing faces" algorithms can be
-used to create an 1D or a 2D mesh in a python script.
+used to create a 1D or a 2D mesh in a python script.
 
 \ref constructing_meshes_page "Constructing meshes" page describes in
 detail how to apply meshing algorithms.

doc/salome/gui/SMESH/input/colors_size.doc

@@ -14,7 +14,7 @@ shown.
 
 - \b Nodes:
   - \b Color - color of nodes.
-  - \b Type and \b Scale - these options allow changing of the nodes
+  - \b Type and \b Scale - these options allow changing the nodes
     representation (see \subpage point_marker_page "Point Marker" page
     for more details).
 - <b>Edges / wireframe</b>:
@@ -23,13 +23,13 @@ shown.
     in wireframe mode).
 - \b Faces:
   - \b Front - surface color of face elements (seen in shading mode).
-  - \b Back - backside surface color of face elements. Use slider to
-    select this color generated on base of the \b Face color by
+  - \b Back - backside surface color of face elements. Use the slider to
+    select this color generated on the base of the \b Face color by
     changing its brightness and saturation. 
 - \b Volumes:
   - \b Normal - surface color of normal volume elements (seen in shading mode).
-  - \b Reversed - surface color of volume elements. Use slider to
-    select this color generated on base of the \b Normal color by
+  - \b Reversed - surface color of volume elements. Use the slider to
+    select this color generated on the base of the \b Normal color by
     changing its brightness and saturation. 
 - \b Outlines:
   - \b Color - color of element borders in shading mode.

doc/salome/gui/SMESH/input/constructing_meshes.doc

@@ -37,42 +37,42 @@ written in Python.
     "Create mesh" dialog box contains several tab pages titled \b 3D,
     \b 2D, \b 1D and \b 0D. The title of each page reflects the
     dimension of the CAD model (geometry) the algorithms listed on
-    this page affect to. For example, \b 3D page lists algorithms
+    this page affect. For example, \b 3D page lists the algorithms
     that affect 3D geometrical objects (solids).
 
     \note
-    - Some page(s) can be disabled - if the source geometrical
+    - Some page(s) can be disabled if the source geometrical
     object does not include shapes (sub-shapes) of the corresponding
-    dimension(s). For example, if input object is a geometrical face,
+    dimension(s). For example, if the input object is a geometrical face,
     \b 3D page is disabled.
-    - Some algorithms affect on geometry of several dimensions,
-    i.e. "1D-2D" or "1D-2D-3D". If such algorithm is selected by the
-    user, dialog box pages related to the corresponding lower level
+    - Some algorithms affect the geometry of several dimensions,
+    i.e. "1D-2D" or "1D-2D-3D". If such an algorithm is selected by the
+    user, the dialog box pages related to the corresponding lower level
     dimensions are disabled.
     - \b 0D page does not refer to the 0D elements, but to 0D
     geometry (vertices). Mesh module does not provide algorithms that
     produce 0D elements. Currently \b 0D page provides only one
-    algorithm "Segments around vertex" that allows specyfing required
-    size of mesh edges about some selected vertex(vertices).
+    algorithm "Segments around vertex" that allows specyfying the required
+    size of mesh edges about the selected vertex (or vertices).
 
     For example, you need to mesh a 3D object.
 
-    First, type the name for your mesh in the \b Name box, by default,
+    First, type the name of your mesh in the \b Name box, by default,
     it is "Mesh_1". Then select the geometrical object you wish to
     mesh in the Object Browser and click "Select" button near \b Geometry
-    field (if name of the object not yet appeared in \b Geometry field).
+    field (if the name of the object has not yet appeared in \b Geometry field).
 
     \image html image120.png
     <em>"Select" button</em>
 
     Now you can define 3D Algorithm and 3D Hypotheses, which will be
-    applied to solids of your geometrical object. Click the <em>"Add
+    applied to the solids of your geometrical object. Click the <em>"Add
       Hypothesis"</em>  button to add a hypothesis.
 
     \image html image121.png
     <em>"Add Hypothesis" button</em>
 
-    Click the <em>"Edit Hypothesis"</em> button to change values for the
+    Click the <em>"Edit Hypothesis"</em> button to change the values for the
     current hypothesis.
 
     \image html image122.png
@@ -86,14 +86,14 @@ written in Python.
     will be used to mesh faces and edges of your geometry. (Note
     that any object has edges, even if their existence is not
     apparent, for example, a sphere has 4 edges). Note that the
-    choice of hypotheses and of an algorithm of lower dimension depends on
-    the algorithm. 
+    choice of hypotheses and lower dimension algorithms depends on
+    the higher dimension algorithm. 
 
-    Some algorithms generate mesh of several dimensions while others, of
-    only one dimension. In the latter case there must be one Algorithm and zero or several
+    Some algorithms generate mesh of several dimensions, while others
+    produce mesh of only one dimension. In the latter case there must be one Algorithm and zero or several
     Hypotheses for each dimension of your object, otherwise you will
     not get any mesh at all. Of course, if you wish to mesh a face,
-    which is a 2D object, you don't need to define 3D Algorithm and
+    which is a 2D object, you do not need to define a 3D Algorithm and
     Hypotheses.
 
     In the <b>Object Browser</b> the structure of the new mesh will be
@@ -122,7 +122,7 @@ written in Python.
       tags).
 
       \image html hypo_sets.png
-      List of sets of hypotheses: <em>[custom]</em>
+      List of sets of hypotheses. Tag <em>[custom]</em> is
       automatically added to the sets defined by the user
   </li>
 </ol>
@@ -164,7 +164,7 @@ Select <b>1D mesh</b> or <b>2D mesh</b> preview mode in the Preview dialog.
 <b>Compute</b> button computes the whole mesh.
 
 When the Preview dialog is closed, the question about the storage of temporarily
-created mesh elements appers:
+created mesh elements appears:
 
 \image html preview_tmp_data.png
 
@@ -185,7 +185,7 @@ Choose "Change submesh priority" from the Mesh menu or a pop-up
 menu. The opened dialog shows a list of submeshes in the order of
 their priority. 
 
-There is an example of submesh order modifications of the Mesh created on a Box
+There is an example of submesh order modifications taking a Mesh created on a Box
 shape. The main Mesh object:
 <ul>
   <li><i>1D</i> <b>Wire discretisation</b> with <b>Number of Segments</b>=20</li>
@@ -195,22 +195,22 @@ shape. The main Mesh object:
 The first submesh object <b>Submesh_1</b> created on <b>Face_1</b> is:
 <ul>
   <li><i>1D</i> <b>Wire discretisation</b> with <b>Number of Segments</b>=4</li>
-  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis<b>MaxElementArea</b>=1200</li>
+  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis <b>MaxElementArea</b>=1200</li>
 </ul>
 The second submesh object <b>Submesh_2</b> created on <b>Face_2</b> is:
 <ul>
   <li><i>1D</i> <b>Wire discretisation</b> with <b>Number of Segments</b>=8</li>
-  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis<b>MaxElementArea</b>=1200</li>
+  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis <b>MaxElementArea</b>=1200</li>
 </ul>
 
 And the last submesh object <b>Submesh_3</b> created on <b>Face_3</b> is:
 <ul>
   <li><i>1D</i> <b>Wire discretisation</b> with <b>Number of Segments</b>=12</li>
-  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis<b>MaxElementArea</b>=1200</li>
+  <li><i>2D</i> <b>Triangle (Mefisto)</b> with Hypothesis <b>MaxElementArea</b>=1200</li>
 </ul>
 
 The sub-meshes become concurrent if they share sub-shapes that can be
-meshed with different algorithms (or different hypothesises). In the
+meshed with different algorithms (or different hypotheses). In the
 example, we have three submeshes with concurrent algorithms, because
 they have different hypotheses.
 
@@ -289,21 +289,21 @@ visualizing in magenta the geometrical entity that causes it.
 "Mesh computation/Show a computation result notification" preference 
 to the "Never" value. This option gives the possibility to control mesh
 computation reporting. There are the following possibilities: always
-show information box, only if an error occurs or never. 
+show the information box, show only if an error occurs or never. 
 By default, the information box is always shown after mesh computation operation.
 
 <b>Publish Sub-shape</b> button publishes the sub-shape, whose meshing
-failed, in GEOM component as a child of the mesh geometry, which
+has failed, in GEOM component as a child of the mesh geometry, which
 allows analyzing the problem geometry and creating a submesh on it in
-order to locally tune hypotheses.
+order to locally tune the hypotheses.
 
-If a cause of failure is an invalid input mesh and the algorithm has
-provided information on what mesh entities are bad <b>Show bad Mesh</b> 
-button appears in the dialog. Clicked, it shows bad mesh entities in
+If the failure is caused by an invalid input mesh and the algorithm has
+found which mesh entities are bad, <b>Show bad Mesh</b> 
+button appears in the dialog. Clicked, it shows the bad mesh entities in
 the Viewer in magenta. Sometimes the shown mesh entities are too small
-or/and hidden by other mesh elements, to see them it can be helpful to
-switch the mesh to Wireframe visualization mode or to switch off
-visualization of faces and volumes (if any).
+or/and hidden by other mesh elements. They can be seen after
+switching the mesh to Wireframe visualization mode or switching off
+the visualization of faces and volumes (if any).
 
 \image html show_bad_mesh.png
 <em>Too close nodes causing meshing failure are shown in magenta using <b>Show
@@ -313,22 +313,22 @@ visualization of faces and volumes (if any).
 \anchor use_existing_anchor
 <h2>"Use existing edges" and "Use existing faces" algorithms</h2>
 
-It is possible to create an 1D or a 2D mesh in a python script
+It is possible to create a 1D or a 2D mesh in a python script
 (using <em>AddNode, AddEdge</em> and <em>AddFace</em> commands) and
 then use such sub-meshes in the construction of a 2D or a 3D mesh. For
 this, there exist two algorithms: <b>Use existing edges</b> and <b>Use
-  existing faces</b>. Scenario of their usage is following. For
-example, you want to use standard algorithms to generate 1D and 3D
+  existing faces</b>.
+For example, you want to use standard algorithms to generate 1D and 3D
 meshes and to create 2D mesh by your python code. Then you
 <ul>
-  <li> create a mesh object, assign an 1D algorithm,</li>
-  <li> invoke \b Compute command, which computes an 1D mesh,</li>
+  <li> create a mesh object, assign a 1D algorithm,</li>
+  <li> invoke \b Compute command, which computes a 1D mesh,</li>
   <li> assign <b>Use existing faces</b> and a 3D algorithm,</li>
   <li> run your python code, which creates a 2D mesh,</li>
   <li> invoke \b Compute command, which computes a 3D mesh.</li>
 </ul>
 
-Consider trying a sample script demonstrating usage of 
+Consider trying a sample script demonstrating the usage of 
 \ref tui_use_existing_faces "Use existing faces" algorithm for
 construction of a 2D mesh using Python commands.
 

doc/salome/gui/SMESH/input/constructing_submeshes.doc

@@ -18,7 +18,9 @@ while the box is a 3D object.  <br>
  will be used. This means that an edge shared by two faces each having
  its own different sub-mesh, will be meshed using algorithms and
  hypotheses of any of the two, chosen randomly. This indeterminacy can
- be fixed by defining \ref submesh_order_anchor "Sub-mesh priority".
+ be fixed by defining \ref submesh_order_anchor "Sub-mesh priority". The
+ default sub-meshes priority is such that multi-dimensional algorithms
+ are processed first.
 <br>
 
 \n Construction of a sub-mesh consists of:
@@ -54,30 +56,32 @@ sub-mesh. You can define algorithms and hypotheses in the same way as
 in \ref constructing_meshes_page "Create mesh" menu.
 
 \par
-If the parent mesh is already computed, then you can define 
+If the parent mesh is already computed, then you can define the
 \b Geometry by picking mesh elements computed on a sub-shape of interest
-in the 3D Viewer, i.e. you don't have to extract this sub-shape
-previously in Geometry module. To start element selection, press \a
+in the 3D Viewer, i.e. you do not have to extract this sub-shape
+in Geometry module beforehand. To start element selection, press \a
 Selection button to the right of \b Geometry label. If this button is
 already down, then click it to release and then click it again. The
-following pop-up menu to choose a way of geometry definition will
+following pop-up menu allowing to choose a way of geometry definition will
 appear.
 
 \par
 \image html choose_geom_selection_way.png
 
 \par
-There the first item enables selecting the sub-shape in the Object
-Browser, the second one makes appear the following dialog.
+<b>Direct geometry selection</b> enables selecting the sub-shape in the Object
+Browser.
+<b>Find geometry by mesh element selection</b> activates the following dialog.
 
 \par
 \image html find_geom_by_mesh_elem.png
 
 \par
 In this dialog, <b> Element Type </b> defines kind of element to pick in the
-Viewer. Instead of picking an element in the Viewer, you can type its
-ID in <b> Element ID</b> field. <b> Geometry name </b> allow you
-define a name of the sub-shape with which it will be published in the Study.
+Viewer. 
+Instead of picking an element in the Viewer, you can type its
+ID in <b> Element ID</b> field. 
+<b> Geometry name </b> field allows defining a name of the sub-shape.
 
 
 \par

doc/salome/gui/SMESH/input/creating_groups.doc

@@ -15,6 +15,8 @@ viewer.</li>
 elements which will form your group:</li>
 <ul>
 <li><b>Nodes</b></li>
+<li><b>0D Element</b></li>
+<li><b>Ball</b></li>
 <li><b>Edges</b></li>
 <li><b>Faces</b></li>
 <li><b>Volumes</b></li>

doc/salome/gui/SMESH/input/cutting_quadrangles.doc

@@ -28,7 +28,7 @@ the ID of this quadrangle will be added to the list. To remove a
 selected element or elements from the list click \b Remove button. <b>Sort
 list</b> button allows to sort the list of IDs. \b Filter button allows to
 apply a definite filter to the selection of quadrangles.</li>
-<li><b>Apply to all</b> radio button allows to modify the orientation of all
+<li><b>Apply to all</b> check box allows to modify the orientation of all
 quadrangles of the currently displayed mesh or sub-mesh.</li>
 <li>\b Preview - provides a preview of cutting in the viewer.</li>
 </ul>
@@ -39,8 +39,19 @@ quadrangles of the currently displayed mesh or sub-mesh.</li>
 <li><b>Use diagonal 1-3</b> and <b>Use diagonal 2-4</b> allows to
 specify the opposite corners which will be connected by the cutting
 edge.</li>
-<li><b>Use numeric factor</b> - allows to chose a quality criterion
-  optimization of which will be used to select the cutting edge.</li>
+<li><b>Use numeric functor</b> - allows to choose a quality criterion
+ which will be optimized at the outcome of the operation.
+<ul>
+<li><b>Minimum diagonal</b> - cuts by the shortest edge.</li>
+<li><b>Aspect Ratio</b> - cuts by the edge splitting the quadrangle 
+into triangles with optimal \ref aspect_ratio_page "Aspect Ratio". The reference value is 1.</li>
+<li><b>Minimum Angle</b> -  cuts by the edge splitting the quadrangle 
+into triangles with optimal  \ref minimum_angle_page "Minimum Angle". The reference value is 60 degrees.</li>
+<li><b>Skew</b> -   cuts by the edge splitting the quadrangle 
+into triangles with optimal \ref skew_page "Skew". The reference value 
+is 0.0 degrees.</li>
+</ul>
+</li>
 </ul>
 </li>
 <li><b>Select from</b> - allows to choose a sub-mesh or an existing

doc/salome/gui/SMESH/input/extrusion.doc

@@ -3,18 +3,27 @@
 \page extrusion_page Extrusion
 
 \n Extrusion is used to build mesh elements of plus one
-dimension than the input ones. Any line or planar element can be
-extruded. Line elements will extrude into quadrilateral plane elements.
-Triangular and Quadrilateral plane elements extrude into Pentahedron
-and Hexahedron solids respectively.
+dimension than the input ones. Any node, segment or 2D element can be
+extruded. Each type of elements has a corresponding type of extruded elements:
+<table>
+<tr><td><b>Extruded element</b></td><td><b> Result elements </b></td></tr>
+<tr><td>Node              </td><td> Segments </td></tr>
+<tr><td>Segment           </td><td> Quadrilaterals </td></tr>
+<tr><td>Triangle          </td><td> Pentahedrons </td></tr>
+<tr><td>Quadrilateral     </td><td> Hexahedrons </td></tr>
+<tr><td>Polygon           </td><td> Polyhedrons </td></tr>
+<tr><td>Hexagonal polygon </td><td> Hexagonal prism </td></tr>
+</table>
 
 <em>To use extrusion:</em>
 <ol>
 <li>From the \b Modification menu choose the \b Extrusion item or click
 <em>"Extrusion"</em> button in the toolbar. 
 
+<center>
 \image html image91.png
-<center><em>"Extrusion" button</em></center>
+<em>"Extrusion" button</em>
+</center>
 
 The following dialog common for line and planar elements will appear:
 
@@ -26,32 +35,36 @@ The following dialog common for line and planar elements will appear:
 
 <li>In this dialog:
 <ul>
-<li>select the type of elements which will be extruded (0D, 1D or 2D),</li>
-<li>specify the IDs of the elements which will be extruded:
-<ul>
-<li><b>Select the whole mesh, submesh or group</b> activating this
-checkbox; or</li>
-<li>choose mesh elements with the mouse in the 3D Viewer. It is
-possible to select a whole area with a mouse frame; or</li> 
-<li>input the element IDs directly in <b>ID Elements</b> field. The selected elements will be highlighted in the
-viewer; or</li>
-<li>apply Filters. <b>Set filter</b> button allows to apply a filter to the selection of elements. See more
-about filters in the \ref selection_filter_library_page "Selection filter library" page.</li>
-</ul>
-</li>
-<li>If the <b>Extrude to Distance</b> radio button is selected</li>
-<ul>
-<li>specify the distance at which the elements will be extruded,</li>
-</ul>
-<li>If the <b>Extrude Along Vector</b> radio button is selected</li>
-<ul>
-<li>specify the coordinates of the vector along which the elements will be extruded, or select the face (the normal to the face will define the vector)</li>
-<li>specify the distance of extrusion along the vector,</li>
-</ul>
-<li>specify the number of steps;</li>
-<li>activate  <b>Generate Groups</b> checkbox if it is necessary to copy the groups of
-elements of the source mesh to the newly created one. </li>
-</li>
+  <li>Select the type of elements which will be extruded (0D, 1D or 2D).</li>
+  <li>Specify the IDs of the elements which will be extruded by one
+    following means:
+    <ul>
+      <li><b>Select the whole mesh, submesh or group</b> activating this
+        checkbox.</li>
+      <li>Choose mesh elements with the mouse in the 3D Viewer. It is
+        possible to select a whole area with a mouse frame.</li> 
+      <li>Input the element IDs directly in <b>ID Elements</b>
+        field. The selected elements will be highlighted in the viewer.</li> 
+      <li>Apply Filters. <b>Set filter</b> button allows to apply a
+        filter to the selection of elements. See more about filters in
+        the \ref filtering_elements "Selection filters" page.</li> 
+    </ul>
+  </li>
+  <li>If the <b>Extrude to Distance</b> radio button is selected</li>
+  <ul>
+    <li>specify the distance at which the elements will be extruded.</li>
+  </ul>
+  <li>If the <b>Extrude Along Vector</b> radio button is selected</li>
+  <ul>
+    <li>specify the coordinates of the vector along which the elements
+      will be extruded, or select the face (the normal to the face will
+      define the vector),</li>
+    <li>specify the distance of extrusion along the vector.</li>
+  </ul>
+  <li>Specify the number of steps.</li>
+  <li>If you activate <b>Generate Groups</b> check-box, the created
+    elements contained in groups will be included into new groups named
+    by pattern "<old group name>_extruded". </li>
 </ul>
 
 <li>Click \b Apply or <b> Apply and Close</b>  button to confirm the operation.</li>

doc/salome/gui/SMESH/input/importing_exporting_meshes.doc

@@ -4,7 +4,7 @@
 
 \n In MESH there is a functionality allowing importation/exportation
 of meshes from/to \b MED, \b UNV (I-DEAS 10), \b DAT (simple ascii format), \b STL,
-\b GMF and \b CGNS format files. You can also export a group as a whole mesh.
+\b GMF (internal format of DISTENE products, namely BLSurf, GHS3D and Hexotic algorithms) and \b CGNS format files. You can also export a group as a whole mesh.
 
 
 <em>To import a mesh:</em>

doc/salome/gui/SMESH/input/removing_nodes_and_elements.doc

@@ -122,9 +122,16 @@ button in the toolbar. You can also right-click on the mesh in the
 Object Browser and select Clear Mesh Data in the pop-up menu.</li>
 </ol>
 
+<center>
 \image html mesh_clear.png
-<center><em>"Clear Mesh Data" button</em></center>
+<em>"Clear Mesh Data" button</em></center>
 
+\note This command works in a different way in different situations: <ul>
+  <li> if the mesh is computed on a geometry, then "Clear Mesh Data" removes
+    all elements and nodes.</li>
+  <li> if the mesh is not based on a geometry (imported, compound, created from
+    scratch etc), then "Clear Mesh Data" removes only the elements and
+    nodes computed by algorithms. If no such elements or nodes have been created, can remove nothing.</li></ul>
 
 <br><b>See Also</b> a sample TUI Script of a 
 \ref tui_removing_nodes_and_elements "Removing Nodes and Elements" operation.  

doc/salome/gui/SMESH/input/reorient_faces.doc

@@ -3,17 +3,17 @@
 \page reorient_faces_page Reorient faces by vector
 
 \n This operation allows changing orientation of a set of neighboring
-faces. The desired orientation is defined by a vector. Since direction
+faces. The desired orientation is defined by a vector. Since the direction
 of face normals in the set can be even opposite, it is necessary to
 specify a control face whose normal will be compared with the vector. This
-face can be specified either explicitly or can be found by closeness to
+face can be either specified explicitly or found by proximity to
 a given point.
 
 Orientation of a face is changed by reverting the order of its nodes.
 
 <em>To change orientation of faces:</em>
 <ol>
-<li>In the \b Modification menu select the <b>Reorient faces by
+<li>In the \b Modification menu select <b>Reorient faces by
     vector</b> item or click <em>Reorient faces by
     vector</em> button in the toolbar.
 
@@ -31,24 +31,19 @@ The following dialog box will appear:
 
 <li>In this dialog
 <ul>
-<li>Specify a way of selection of the control face: by point or
-  explicitely.</li>
-<li>Select an \b Object containing faces to reorient, either in the Object
-  Browser or in the 3D Viewer; it can be either <ul>
-    <li>group of faces,</li>
-    <li>sub-mesh of faces or</li>
-    <li>mesh.</li>
-    </ul></li>
-<li>Specify either coordinates of a \b Point by which the control face
-  will be found or the control \b Face it-self. You can easy specify the \b
-  Point by either picking a node in the 3D Viewer or by selecting a vertex
-  in the Object Browser. The \b Face can be either picked by mouse in
-  the 3D Viewer or its ID can be entered by typing.</li>
-<li>Set up a \b Direction to be compared with the normal of the
-  control face. You can either pick a node in the 3D Viewer then a \b Direction
-  from the coordinate system origin to the selected node will be set,
-  or you can pick two nodes (holding Shift button) then a \b Direction
-  from the first to the second node will be set.</li>
+<li>Specify the way of selection of the control face: by point or
+  explicitly.</li>
+<li>Select the \b Object (mesh, sub-mesh or a group of faces) containing faces to reorient in the Object Browser or in the 3D Viewer.</li>
+<li>Specify the coordinates of the \b Point by which the control face
+  will be found or of the control \b Face itself. You can easy specify the \b
+  Point by either picking a node in the 3D Viewer or selecting a vertex
+  in the Object Browser. It is possible to pick the  \b Face by mouse in
+  the 3D Viewer or enter its ID.</li>
+<li>Set up the \b Direction vector to be compared with the normal of the
+  control face. If you pick a node in the 3D Viewer then the \b Direction
+  vector will go from the coordinate system origin to the selected node.
+  If you pick two nodes (holding Shift button) then the \b Direction vector
+  will go from the first to the second node.</li>
 </ul>
 </li>
 

doc/salome/gui/SMESH/input/selection_filter_library.doc

@@ -15,7 +15,14 @@ load an existing filter library.
 the current study. You can \b Add or \b Delete filters.
 \n In <b>Filter name</b> box you can specify the name for your
 filter. By default it is prefixed with the corresponding entity type.
-\n Each filter can be applicable to \b Nodes, \b Edges, \b Faces or \b
+
+\anchor filtering_elements
+
+When we use filters during a group creation or another operation (by 
+clicking <b>Set Filters</b> button in the corresponding dialog), the
+menu for setting filters looks a bit differently (see the image below).
+
+Each filter can be applicable to \b Nodes, \b Edges, \b Faces or \b
 Volumes. You can combine many criteria in one filter, but they all
 must be of the same <b>Entity type</b>.
 \n The \b Add button creates a new criterion at the end of the list of
@@ -30,21 +37,18 @@ sense of a criterion using \b Unary operator Not and you should
 specify logical relations between criteria using \b Binary operators
 Or and And.
 \n Some criteria should have the additional parameter of \b Tolerance.
-
-When we create a group using filters (for this click
-<b>Set Filters</b> button in the <b>Create Group</b> dialog), the menu
-for setting filters looks a bit differently (see below). Switching
-on <b>Insert filter in viewer</b> checkbox limits selection of elements
-in the Viewer using your current filter.
+<br> 
+Switching on <b>Insert filter in viewer</b> checkbox limits
+selection of elements in the Viewer to the current filter.
 <br>
 In the \b Source field you choose if the filter will be applied to
 the whole \b Mesh, the <b>Initial Selection</b> or the <b>Current
 Group</b>. If \b Mesh is chosen, the elements satisfying the filter
 will be selected in the 3D Viewer. If <b> Initial Selection</b> is
 chosen, the filter will be applied to the selected elements and the
-elements rejected by the filter will be deseleced. If <b>Current
+elements rejected by the filter will be deselected. If <b>Current
 Group</b> is chosen, the filter will be applied to the list of
-elements in the <em>Greate Croup</em> dialog and the elements rejected
+elements in the current dialog and the elements rejected
 by the filter will be removed from the list.
 <br>
 <b>Copy from...</b> button gives you a possibility to load an
@@ -68,7 +72,7 @@ shape the algorithm works slower.
 </li><li>
 <b>Lying on Geom</b> selects entities whose at least one node
 lies on the shape defined by the <b>Threshold Value</b>.
-If the hreshold shape is a sub-shape of the main shape of the mesh the
+If the threshold shape is a sub-shape of the main shape of the mesh the
 algorithm works faster, if this is any other
 shape, the algorithm works slower.
 </li><li>
@@ -167,7 +171,7 @@ The following criteria allow selecting mesh <b>Faces</b>:
 one element of mesh only. See also a
 \ref free_edges_page "Free Edges quality control".
 </li><li>
-<b>Free faces</b> selects 2D mesh elements wich belong to less than two volumes.
+<b>Free faces</b> selects 2D mesh elements, which belong to less than two volumes.
 </li><li>
 <b>Double faces</b> selects 2D mesh elements basing on the same set of nodes.
 See also \ref filter_double_elements "Double Elements quality control".

doc/salome/gui/SMESH/input/smeshpy_interface.doc

@@ -116,6 +116,7 @@ the following links:
 
 - \subpage tui_creating_meshes_page
 - \subpage tui_cartesian_algo
+- \subpage tui_use_existing_faces
 - \subpage tui_viewing_meshes_page
 - \subpage tui_defining_hypotheses_page
 - \subpage tui_quality_controls_page

doc/salome/gui/SMESH/input/tui_modifying_meshes.doc

@@ -11,9 +11,9 @@
 <h3>Add Node</h3>
 
 \code
-import SMESH_mechanic
+import smesh
 
-mesh = SMESH_mechanic.mesh
+mesh = smesh.Mesh()
 
 # add node
 new_id = mesh.AddNode(50, 10, 0)
@@ -27,9 +27,9 @@ else:           print "New Node has been added with ID ", new_id
 <h3>Add 0D Element</h3>
 
 \code
-import SMESH_mechanic
+import smesh
 
-mesh = SMESH_mechanic.mesh
+mesh = smesh.Mesh()
 
 # add node
 node_id = mesh.AddNode(50, 10, 0)
@@ -42,6 +42,54 @@ if new_id == 0: print "KO node addition."
 else:           print "New 0D Element has been added with ID ", new_id
 \endcode
 
+<br>
+\anchor tui_add_0DElement_on_all_nodes
+<h3>Add 0D Element on Element Nodes</h3>
+
+\code
+import smesh, SMESH, geompy
+
+# create a geometry
+box = geompy.MakeBoxDXDYDZ( 10, 10, 10 )
+face = geompy.SubShapeAll( box, geompy.ShapeType["FACE"])[0]
+
+# make 3D mesh
+mesh = smesh.Mesh( box )
+mesh.AutomaticHexahedralization(0)
+
+# create 0D elements on all nodes of the mesh
+res = mesh.Add0DElementsToAllNodes( mesh )
+
+# find 0D elements on all nodes of the mesh, all found nodes are added to a new group
+groupName = "0Dmesh"
+res = mesh.Add0DElementsToAllNodes( mesh, groupName )
+mesh.RemoveGroupWithContents( res ) # remove all found 0D elements
+
+# create 0D elements on all nodes of a sub-mesh, with group creation
+groupName = "0Dsubmesh"
+submesh = mesh.GetSubMesh( face, "faceSM")
+res = mesh.Add0DElementsToAllNodes( submesh, groupName )
+
+# create 0D elements on all nodes of a group
+group = mesh.Group( face, "faceGroup" )
+res = mesh.Add0DElementsToAllNodes( group )
+
+# remove all 0D elements
+mesh.RemoveElements( mesh.GetIdsFromFilter( smesh.GetFilter( SMESH.ELEM0D,
+                                                             SMESH.FT_ElemGeomType,
+                                                             "=",SMESH.Geom_POINT )))
+
+# create 0D elements on all nodes of some elements
+res = mesh.Add0DElementsToAllNodes( mesh.GetElementsId() )
+
+mesh.RemoveElements( mesh.GetElementsByType( SMESH.ELEM0D ))
+
+# create 0D elements on some nodes
+nodes = range(1,10)
+res = mesh.Add0DElementsToAllNodes( mesh.GetIDSource( nodes, SMESH.NODE ))
+
+\endcode
+
 <br>
 \anchor tui_add_edge
 <h3>Add Edge</h3>

doc/salome/gui/SMESH/input/tui_use_existing_faces.doc

@@ -1,6 +1,6 @@
 /*!
 
-\page tui_use_existing_faces Use existing faces
+\page tui_use_existing_faces Use existing faces algorithm
 
 This sample demonstrates how to use <b>Use existing faces</b> algorithm,
 which is actulally just a stub allowing to use your own 2D algoritm

doc/salome/gui/SMESH/input/uniting_set_of_triangles.doc

@@ -28,8 +28,8 @@ to sort the list of IDs. The <b>Set filter</b> button allows to apply a
 definite filter to selection of triangles.</li>
 <li><b>Apply to all</b> radio button allows to modify connectivity and
 type of all triangles of the currently displayed mesh or sub-mesh.</li>
-<li>\b Criterion menu allows to chose a quality criterion
-  optimization of which will be used to select triangles to unite.</li>
+<li>\b Criterion menu allows to choose a quality criterion,
+ which will be optimized to select triangles to unite.</li>
 <li><b>Select from</b> set of fields allows to choose a sub-mesh or an
 existing group whose triangle elements will be automatically added to
 the list.</li>

idl/SMESH_Gen.idl

@@ -240,8 +240,11 @@ module SMESH
 
     /*!
      * Create Mesh object importing data from given GMF file
+     *  \param theFileName - a name of file to import
+     *  \param theMakeRequiredGroups - if true, groups of required entities will be created
      */
     SMESH_Mesh CreateMeshesFromGMF( in string               theFileName,
+                                    in boolean              theMakeRequiredGroups,
                                     out SMESH::ComputeError theError)
       raises ( SALOME::SALOME_Exception );
 

idl/SMESH_Mesh.idl

@@ -663,7 +663,8 @@ module SMESH
                      in string         file,
                      in boolean        overwrite ) raises (SALOME::SALOME_Exception);
     void ExportGMF( in SMESH_IDSource  meshPart, 
-                    in string          file ) raises (SALOME::SALOME_Exception);
+                    in string          file,
+                    in boolean         withRequiredGroups) raises (SALOME::SALOME_Exception);
     void ExportPartToDAT( in SMESH_IDSource meshPart, 
                           in string         file ) raises (SALOME::SALOME_Exception);
     void ExportPartToUNV( in SMESH_IDSource meshPart, 

idl/SMESH_MeshEditor.idl

@@ -151,7 +151,6 @@ module SMESH
      */
     long AddPolyhedralVolume (in long_array IdsOfNodes,
                               in long_array Quantities);
-
     /*!
      *  Create volume of many faces, giving IDs of existing faces.
      *  \param IdsOfFaces List of face IDs for volume creation.
@@ -160,6 +159,19 @@ module SMESH
      */
     long AddPolyhedralVolumeByFaces (in long_array IdsOfFaces);
 
+    /*!
+     * Create 0D elements on all nodes of the given object except those 
+     * nodes on which a 0D element already exists.
+     *  \param theObject object on whose nodes 0D elements will be created.
+     *  \param theGroupName optional name of a group to add 0D elements created
+     *         and/or found on nodes of \a theObject.
+     *  \return an object (a new group or a temporary SMESH_IDSource) holding
+     *          ids of new and/or found 0D elements.
+     */
+    SMESH_IDSource Create0DElementsOnAllNodes(in SMESH_IDSource theObject,
+                                              in string         theGroupName)
+      raises (SALOME::SALOME_Exception);
+
     /*!
      * \brief Bind a node to a vertex
       * \param NodeID - node ID

resources/Makefile.am

@@ -113,6 +113,8 @@ dist_salomeres_DATA = \
 	mesh_update.png \
 	mesh_vertex_n.png \
 	mesh_vertex.png \
+	mesh_0D_elem.png \
+	mesh_0D_on_all_nodes.png \
 	mesh_volume_3d.png \
 	bare_border_volume.png \
 	bare_border_face.png \

resources/StdMeshers.xml

@@ -261,6 +261,7 @@
         <algo>MEFISTO_2D=Triangle(algo=smesh.MEFISTO)</algo>
         <hypo>LengthFromEdges=LengthFromEdges()</hypo>
         <hypo>MaxElementArea=MaxElementArea(SetMaxElementArea())</hypo>
+        <hypo>ViscousLayers2D=ViscousLayers2D(SetTotalThickness(),SetNumberLayers(),SetStretchFactor(),SetIgnoreEdges())</hypo>
       </python-wrap>
     </algorithm>
 
@@ -275,6 +276,7 @@
       <python-wrap>
         <algo>Quadrangle_2D=Quadrangle(algo=smesh.QUADRANGLE)</algo>
         <hypo>QuadrangleParams=QuadrangleParameters(SetQuadType(),SetTriaVertex())</hypo>
+        <hypo>ViscousLayers2D=ViscousLayers2D(SetTotalThickness(),SetNumberLayers(),SetStretchFactor(),SetIgnoreEdges())</hypo>
       </python-wrap>
     </algorithm>
 

src/DriverGMF/DriverGMF.cxx

@@ -0,0 +1,66 @@
+// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File      : DriverGMF.hxx
+// Created   : Thu Nov 15 16:45:58 2012
+// Author    : Edward AGAPOV (eap)
+
+#include "DriverGMF.hxx"
+
+#include <boost/filesystem.hpp>
+
+extern "C"
+{
+#include "libmesh5.h"
+}
+
+namespace DriverGMF
+{
+
+  //================================================================================
+  /*!
+   * \brief Closes GMF mesh at destruction
+   */
+  //================================================================================
+
+  MeshCloser::~MeshCloser()
+  {
+    if ( _gmfMeshID )
+      GmfCloseMesh( _gmfMeshID );
+  }
+
+  //================================================================================
+  /*!
+   * \brief Checks GMF file extension
+   */
+  //================================================================================
+
+  bool isExtensionCorrect( const std::string& fileName )
+  {
+    std::string ext  = boost::filesystem::extension(fileName);
+    switch ( ext.size() ) {
+    case 5: return ( ext == ".mesh" || ext == ".solb" );
+    case 6: return ( ext == ".meshb" );
+    case 4: return ( ext == ".sol" );
+    }
+    return false;
+  }
+}

src/DriverGMF/DriverGMF.hxx

@@ -0,0 +1,46 @@
+// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File      : DriverGMF.hxx
+// Created   : Thu Nov 15 16:45:58 2012
+// Author    : Edward AGAPOV (eap)
+
+#ifndef __DriverGMF_HXX__
+#define __DriverGMF_HXX__
+
+#include <string>
+
+namespace DriverGMF
+{
+  /*!
+   * \brief An object closing GMF mesh at destruction
+   */
+  struct MeshCloser
+  {
+    int _gmfMeshID;
+    MeshCloser( const int gmfMeshID ): _gmfMeshID(gmfMeshID) {}
+    ~MeshCloser();
+  };
+
+  bool isExtensionCorrect( const std::string& fileName );
+}
+
+#endif

src/DriverGMF/DriverGMF_Read.cxx

@@ -24,12 +24,14 @@
 // Author    : Edward AGAPOV (eap)
 
 #include "DriverGMF_Read.hxx"
-#include "DriverGMF_Write.hxx"
+#include "DriverGMF.hxx"
 
 #include "SMESHDS_Group.hxx"
 #include "SMESHDS_Mesh.hxx"
 #include "SMESH_Comment.hxx"
 
+#include <Basics_Utils.hxx>
+
 extern "C"
 {
 #include "libmesh5.h"
@@ -37,16 +39,10 @@ extern "C"
 
 #include <stdarg.h>
 
-// --------------------------------------------------------------------------------
-// Closing GMF mesh at destruction
-DriverGMF_MeshCloser::~DriverGMF_MeshCloser()
-{
-  if ( _gmfMeshID )
-    GmfCloseMesh( _gmfMeshID );
-}
 // --------------------------------------------------------------------------------
 DriverGMF_Read::DriverGMF_Read():
-  Driver_SMESHDS_Mesh()
+  Driver_SMESHDS_Mesh(),
+  _makeRequiredGroups( true )
 {
 }
 // --------------------------------------------------------------------------------
@@ -62,6 +58,8 @@ DriverGMF_Read::~DriverGMF_Read()
 
 Driver_Mesh::Status DriverGMF_Read::Perform()
 {
+  Kernel_Utils::Localizer loc;
+
   Status status = DRS_OK;
 
   int dim, version;
@@ -69,9 +67,13 @@ Driver_Mesh::Status DriverGMF_Read::Perform()
   // open the file
   int meshID = GmfOpenMesh( myFile.c_str(), GmfRead, &version, &dim );
   if ( !meshID )
-    return addMessage( SMESH_Comment("Can't open for reading ") << myFile, /*fatal=*/true );
-
-  DriverGMF_MeshCloser aMeshCloser( meshID ); // An object closing GMF mesh at destruction
+  {
+    if ( DriverGMF::isExtensionCorrect( myFile ))
+      return addMessage( SMESH_Comment("Can't open for reading ") << myFile, /*fatal=*/true );
+    else
+      return addMessage( SMESH_Comment("Not '.mesh' or '.meshb' extension of file ") << myFile, /*fatal=*/true );
+  }
+  DriverGMF::MeshCloser aMeshCloser( meshID ); // An object closing GMF mesh at destruction
 
   // Read nodes
 
@@ -277,40 +279,43 @@ Driver_Mesh::Status DriverGMF_Read::Perform()
 
   // Read required entities into groups
 
-  // get ids of existing groups
-  std::set< int > groupIDs;
-  const std::set<SMESHDS_GroupBase*>& groups = myMesh->GetGroups();
-  std::set<SMESHDS_GroupBase*>::const_iterator grIter = groups.begin();
-  for ( ; grIter != groups.end(); ++grIter )
-    groupIDs.insert( (*grIter)->GetID() );
-  if ( groupIDs.empty() ) groupIDs.insert( 0 );
-
-  const int kes[4][3] = { { GmfRequiredVertices,      SMDSAbs_Node, nodeIDShift },
-                          { GmfRequiredEdges,         SMDSAbs_Edge, edgeIDShift },
-                          { GmfRequiredTriangles,     SMDSAbs_Face, triaIDShift },
-                          { GmfRequiredQuadrilaterals,SMDSAbs_Face, quadIDShift }};
-  const char* names[4] = { "_required_Vertices"      ,
-                           "_required_Edges"         ,
-                           "_required_Triangles"     ,
-                           "_required_Quadrilaterals" };
-  for ( int i = 0; i < 4; ++i )
+  if ( _makeRequiredGroups )
   {
-    int                 gmfKwd = kes[i][0];
-    SMDSAbs_ElementType entity = (SMDSAbs_ElementType) kes[i][1];
-    int                 shift  = kes[i][2];
-    if ( int nb = GmfStatKwd(meshID, gmfKwd))
-    {
-      const int newID = *groupIDs.rbegin() + 1;
-      groupIDs.insert( newID );
-      SMESHDS_Group* group = new SMESHDS_Group( newID, myMesh, entity );
-      group->SetStoreName( names[i] );
-      myMesh->AddGroup( group );
+    // get ids of existing groups
+    std::set< int > groupIDs;
+    const std::set<SMESHDS_GroupBase*>& groups = myMesh->GetGroups();
+    std::set<SMESHDS_GroupBase*>::const_iterator grIter = groups.begin();
+    for ( ; grIter != groups.end(); ++grIter )
+      groupIDs.insert( (*grIter)->GetID() );
+    if ( groupIDs.empty() ) groupIDs.insert( 0 );
 
-      GmfGotoKwd(meshID, gmfKwd);
-      for ( int i = 0; i < nb; ++i )
+    const int kes[4][3] = { { GmfRequiredVertices,      SMDSAbs_Node, nodeIDShift },
+                            { GmfRequiredEdges,         SMDSAbs_Edge, edgeIDShift },
+                            { GmfRequiredTriangles,     SMDSAbs_Face, triaIDShift },
+                            { GmfRequiredQuadrilaterals,SMDSAbs_Face, quadIDShift }};
+    const char* names[4] = { "_required_Vertices"      ,
+                             "_required_Edges"         ,
+                             "_required_Triangles"     ,
+                             "_required_Quadrilaterals" };
+    for ( int i = 0; i < 4; ++i )
+    {
+      int                 gmfKwd = kes[i][0];
+      SMDSAbs_ElementType entity = (SMDSAbs_ElementType) kes[i][1];
+      int                 shift  = kes[i][2];
+      if ( int nb = GmfStatKwd(meshID, gmfKwd))
       {
-        GmfGetLin(meshID, gmfKwd, &iN[0] );
-        group->Add( shift + iN[0] );
+        const int newID = *groupIDs.rbegin() + 1;
+        groupIDs.insert( newID );
+        SMESHDS_Group* group = new SMESHDS_Group( newID, myMesh, entity );
+        group->SetStoreName( names[i] );
+        myMesh->AddGroup( group );
+
+        GmfGotoKwd(meshID, gmfKwd);
+        for ( int i = 0; i < nb; ++i )
+        {
+          GmfGetLin(meshID, gmfKwd, &iN[0] );
+          group->Add( shift + iN[0] );
+        }
       }
     }
   }

src/DriverGMF/DriverGMF_Read.hxx

@@ -45,12 +45,19 @@ public:
   DriverGMF_Read();
   ~DriverGMF_Read();
 
+  void SetMakeRequiredGroups( bool theMakeRequiredGroups )
+  {
+    _makeRequiredGroups = theMakeRequiredGroups;
+  }
+
   virtual Status Perform();
 
  private:
 
   Status storeBadNodeIds(const char* gmfKwd, int elemNb, int nb, ...);
 
+  bool _makeRequiredGroups;
+
 };
 
 

src/DriverGMF/DriverGMF_Write.cxx

@@ -24,11 +24,14 @@
 // Author    : Edward AGAPOV (eap)
 
 #include "DriverGMF_Write.hxx"
+#include "DriverGMF.hxx"
 
 #include "SMESHDS_GroupBase.hxx"
 #include "SMESHDS_Mesh.hxx"
 #include "SMESH_Comment.hxx"
 
+#include <Basics_Utils.hxx>
+
 extern "C"
 {
 #include "libmesh5.h"
@@ -57,7 +60,7 @@ extern "C"
 
 
 DriverGMF_Write::DriverGMF_Write():
-  Driver_SMESHDS_Mesh()
+  Driver_SMESHDS_Mesh(), _exportRequiredGroups( true )
 {
 }
 DriverGMF_Write::~DriverGMF_Write()
@@ -66,13 +69,20 @@ DriverGMF_Write::~DriverGMF_Write()
 
 Driver_Mesh::Status DriverGMF_Write::Perform()
 {
-  const int dim = 3, version = 3;
+  Kernel_Utils::Localizer loc;
+
+  const int dim = 3, version = sizeof(long) == 4 ? 2 : 3;
 
   int meshID = GmfOpenMesh( myFile.c_str(), GmfWrite, version, dim );
   if ( !meshID )
-    return addMessage( SMESH_Comment("Can't open for writing ") << myFile, /*fatal=*/true );
+  {
+    if ( DriverGMF::isExtensionCorrect( myFile ))
+      return addMessage( SMESH_Comment("Can't open for writing ") << myFile, /*fatal=*/true );
+    else
+      return addMessage( SMESH_Comment("Not '.mesh' or '.meshb' extension of file ") << myFile, /*fatal=*/true );
+  }
 
-  DriverGMF_MeshCloser aMeshCloser( meshID ); // An object closing GMF mesh at destruction
+  DriverGMF::MeshCloser aMeshCloser( meshID ); // An object closing GMF mesh at destruction
 
   // nodes
   std::map< const SMDS_MeshNode* , int > node2IdMap;
@@ -233,85 +243,88 @@ Driver_Mesh::Status DriverGMF_Write::Perform()
     END_ELEM_WRITE( prism );
 
 
-  // required entities
-  SMESH_Comment badGroups;
-  const std::set<SMESHDS_GroupBase*>&      groupSet = myMesh->GetGroups();
-  std::set<SMESHDS_GroupBase*>::const_iterator grIt = groupSet.begin();
-  for ( ; grIt != groupSet.end(); ++grIt )
+  if ( _exportRequiredGroups )
   {
-    const SMESHDS_GroupBase* group = *grIt;
-    std::string          groupName = group->GetStoreName();
-    std::string::size_type     pos = groupName.find( "_required_" );
-    if ( pos == std::string::npos ) continue;
-
-    int                    gmfKwd;
-    SMDSAbs_EntityType smdsEntity;
-    std::string entity = groupName.substr( pos + strlen("_required_"));
-    if      ( entity == "Vertices" ) {
-      gmfKwd   = GmfRequiredVertices;
-      smdsEntity = SMDSEntity_Node;
-    }
-    else if ( entity == "Edges" ) {
-      gmfKwd   = GmfRequiredEdges;
-      smdsEntity = SMDSEntity_Edge;
-    }
-    else if ( entity == "Triangles" ) {
-      gmfKwd   = GmfRequiredTriangles;
-      smdsEntity = SMDSEntity_Triangle;
-    }
-    else if ( entity == "Quadrilaterals" ) {
-      gmfKwd   = GmfRequiredQuadrilaterals;
-      smdsEntity = SMDSEntity_Quadrangle;
-    }
-    else {
-      addMessage( SMESH_Comment("Invalig gmf entity name: ") << entity, /*fatal=*/false );
-      continue;
-    }
-
-    // check elem type in the group
-    int nbOkElems = 0;
-    SMDS_ElemIteratorPtr elemIt = group->GetElements();
-    while ( elemIt->more() )
-      nbOkElems += ( elemIt->next()->GetEntityType() == smdsEntity );
-
-    if ( nbOkElems != group->Extent() && nbOkElems == 0 )
+    // required entities
+    SMESH_Comment badGroups;
+    const std::set<SMESHDS_GroupBase*>&      groupSet = myMesh->GetGroups();
+    std::set<SMESHDS_GroupBase*>::const_iterator grIt = groupSet.begin();
+    for ( ; grIt != groupSet.end(); ++grIt )
     {
-      badGroups << " " << groupName;
-      continue;
-    }
+      const SMESHDS_GroupBase* group = *grIt;
+      std::string          groupName = group->GetStoreName();
+      std::string::size_type     pos = groupName.find( "_required_" );
+      if ( pos == std::string::npos ) continue;
 
-    // choose a TElem2IDMap
-    TElem2IDMap* elem2IDMap = 0;
-    if ( smdsEntity == SMDSEntity_Quadrangle && nbOkElems != myMesh->NbFaces() )
-      elem2IDMap = & quad2IDMap;
-    else if ( smdsEntity == SMDSEntity_Triangle && nbOkElems != myMesh->NbFaces() )
-      elem2IDMap = & tria2IDMap;
-    else if ( smdsEntity == SMDSEntity_Edge && nbOkElems != myMesh->NbEdges() )
-      elem2IDMap = & edge2IDMap;
-
-    // write the group
-    GmfSetKwd( meshID, gmfKwd, nbOkElems );
-    elemIt = group->GetElements();
-    if ( elem2IDMap )
-      for ( ; elemIt->more(); )
-      {
-        const SMDS_MeshElement* elem = elemIt->next();
-        if ( elem->GetEntityType() == smdsEntity )
-          GmfSetLin( meshID, gmfKwd, (*elem2IDMap)[ elem ] );
+      int                    gmfKwd;
+      SMDSAbs_EntityType smdsEntity;
+      std::string entity = groupName.substr( pos + strlen("_required_"));
+      if      ( entity == "Vertices" ) {
+        gmfKwd   = GmfRequiredVertices;
+        smdsEntity = SMDSEntity_Node;
       }
-    else
-      for ( int gmfID = 1; elemIt->more(); ++gmfID)
-      {
-        const SMDS_MeshElement* elem = elemIt->next();
-        if ( elem->GetEntityType() == smdsEntity )
-          GmfSetLin( meshID, gmfKwd, gmfID );
+      else if ( entity == "Edges" ) {
+        gmfKwd   = GmfRequiredEdges;
+        smdsEntity = SMDSEntity_Edge;
+      }
+      else if ( entity == "Triangles" ) {
+        gmfKwd   = GmfRequiredTriangles;
+        smdsEntity = SMDSEntity_Triangle;
+      }
+      else if ( entity == "Quadrilaterals" ) {
+        gmfKwd   = GmfRequiredQuadrilaterals;
+        smdsEntity = SMDSEntity_Quadrangle;
+      }
+      else {
+        addMessage( SMESH_Comment("Invalig gmf entity name: ") << entity, /*fatal=*/false );
+        continue;
       }
 
-  } // loop on groups
+      // check elem type in the group
+      int nbOkElems = 0;
+      SMDS_ElemIteratorPtr elemIt = group->GetElements();
+      while ( elemIt->more() )
+        nbOkElems += ( elemIt->next()->GetEntityType() == smdsEntity );
 
-  if ( !badGroups.empty() )
-    addMessage( SMESH_Comment("Groups of elements of inappropriate geometry:")
-                << badGroups, /*fatal=*/false );
+      if ( nbOkElems != group->Extent() && nbOkElems == 0 )
+      {
+        badGroups << " " << groupName;
+        continue;
+      }
+
+      // choose a TElem2IDMap
+      TElem2IDMap* elem2IDMap = 0;
+      if ( smdsEntity == SMDSEntity_Quadrangle && nbOkElems != myMesh->NbFaces() )
+        elem2IDMap = & quad2IDMap;
+      else if ( smdsEntity == SMDSEntity_Triangle && nbOkElems != myMesh->NbFaces() )
+        elem2IDMap = & tria2IDMap;
+      else if ( smdsEntity == SMDSEntity_Edge && nbOkElems != myMesh->NbEdges() )
+        elem2IDMap = & edge2IDMap;
+
+      // write the group
+      GmfSetKwd( meshID, gmfKwd, nbOkElems );
+      elemIt = group->GetElements();
+      if ( elem2IDMap )
+        for ( ; elemIt->more(); )
+        {
+          const SMDS_MeshElement* elem = elemIt->next();
+          if ( elem->GetEntityType() == smdsEntity )
+            GmfSetLin( meshID, gmfKwd, (*elem2IDMap)[ elem ] );
+        }
+      else
+        for ( int gmfID = 1; elemIt->more(); ++gmfID)
+        {
+          const SMDS_MeshElement* elem = elemIt->next();
+          if ( elem->GetEntityType() == smdsEntity )
+            GmfSetLin( meshID, gmfKwd, gmfID );
+        }
+
+    } // loop on groups
+
+    if ( !badGroups.empty() )
+      addMessage( SMESH_Comment("Groups of elements of inappropriate geometry:")
+                  << badGroups, /*fatal=*/false );
+  }
 
   return DRS_OK;
 }

src/DriverGMF/DriverGMF_Write.hxx

@@ -42,18 +42,16 @@ public:
   DriverGMF_Write();
   ~DriverGMF_Write();
 
+  void SetExportRequiredGroups( bool toExport )
+  {
+    _exportRequiredGroups = toExport;
+  }
+
   virtual Status Perform();
-};
 
-/*!
- * \brief An object closing GMF mesh at destruction
- */
-struct DriverGMF_MeshCloser
-{
-  int _gmfMeshID;
-  DriverGMF_MeshCloser( const int gmfMeshID ): _gmfMeshID(gmfMeshID) {}
-  ~DriverGMF_MeshCloser();
-};
+ private:
 
+  bool _exportRequiredGroups;
+};
 
 #endif

src/DriverGMF/Makefile.am

@@ -23,6 +23,7 @@ include $(top_srcdir)/adm_local/unix/make_common_starter.am
 salomeinclude_HEADERS = \
 	DriverGMF_Read.hxx \
 	DriverGMF_Write.hxx \
+	DriverGMF.hxx \
 	SMESH_DriverGMF.hxx \
 	libmesh5.h
 
@@ -31,20 +32,22 @@ lib_LTLIBRARIES = libMeshDriverGMF.la
 dist_libMeshDriverGMF_la_SOURCES = \
 	DriverGMF_Read.cxx \
 	DriverGMF_Write.cxx \
+	DriverGMF.cxx \
 	libmesh5.c
 
 # additionnal information to compil and link file
 libMeshDriverGMF_la_CPPFLAGS = \
 	$(KERNEL_CXXFLAGS) \
 	$(CAS_CPPFLAGS) \
-        $(VTK_INCLUDES) \
-	$(BOOST_CPPFLAGS) \
+	$(VTK_INCLUDES) \
+	$(BOOST_CPPFLAGS) -DBOOST_SYSTEM_NO_DEPRECATED \
 	-I$(srcdir)/../Driver \
 	-I$(srcdir)/../SMESHUtils \
 	-I$(srcdir)/../SMDS \
 	-I$(srcdir)/../SMESHDS
 
 libMeshDriverGMF_la_LDFLAGS  = \
-	$(BOOST_LIBS) \
+	$(BOOST_LIBS) -lboost_filesystem \
 	../Driver/libMeshDriver.la \
-	../SMESHUtils/libSMESHUtils.la
+	../SMESHUtils/libSMESHUtils.la \
+	$(KERNEL_LDFLAGS) -lSALOMEBasics

src/SMDS/SMDS_MemoryLimit.cxx

@@ -22,8 +22,8 @@
 // Author    : Edward AGAPOV (eap)
 // Executable to find out a lower RAM limit (MB), i.e. at what size of freeRAM
 // reported by sysinfo, no more memory can be allocated.
-// This is not done inside a function of SALOME because allocated memory is not returned
-// to the system. (PAL16631)
+// This is not done inside a function of SALOME because allocated memory is not always
+// returned to the system. (PAL16631)
 //
 #ifndef WIN32
 #include <sys/sysinfo.h>

src/SMESH/SMESH_Gen.cxx

@@ -155,7 +155,7 @@ bool SMESH_Gen::Compute(SMESH_Mesh &          aMesh,
       // check for preview dimension limitations
       if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
       {
-        // clear compute state to not show previous compute errors
+        // clear compute state not to show previous compute errors
         //  if preview invoked less dimension less than previous
         smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
         continue;
@@ -355,23 +355,8 @@ bool SMESH_Gen::Compute(SMESH_Mesh &          aMesh,
   MEMOSTAT;
 
   SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
-  myMesh->adjustStructure();
   MESSAGE("*** compactMesh after compute");
   myMesh->compactMesh();
-  //myMesh->adjustStructure();
-  list<int> listind = myMesh->SubMeshIndices();
-  list<int>::iterator it = listind.begin();
-  int total = 0;
-  for(; it != listind.end(); ++it)
-    {
-      ::SMESHDS_SubMesh *subMesh = myMesh->MeshElements(*it);
-      total +=  subMesh->getSize();
-    }
-  MESSAGE("total elements and nodes in submesh sets:" << total);
-  MESSAGE("Number of node objects " << SMDS_MeshNode::nbNodes);
-  MESSAGE("Number of cell objects " << SMDS_MeshCell::nbCells);
-  //myMesh->dumpGrid();
-  //aMesh.GetMeshDS()->Modified();
 
   // fix quadratic mesh by bending iternal links near concave boundary
   if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
@@ -589,6 +574,8 @@ static bool checkConformIgnoredAlgos(SMESH_Mesh&               aMesh,
 
     if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
     {
+      theErrors.push_back( SMESH_Gen::TAlgoStateError() );
+      theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
       INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
             << aLocIgnoAlgo->GetName() << ">");
     }
@@ -598,9 +585,12 @@ static bool checkConformIgnoredAlgos(SMESH_Mesh&               aMesh,
       int dim = algo->GetDim();
       int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
 
-      if ( dim < aMaxGlobIgnoDim )
+      if ( dim < aMaxGlobIgnoDim &&
+           ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
       {
         // algo is hidden by a global algo
+        theErrors.push_back( SMESH_Gen::TAlgoStateError() );
+        theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
         INFOS( ( isGlobal ? "Global" : "Local" )
               << " <" << algo->GetName() << "> is hidden by global <"
               << aGlobIgnoAlgo->GetName() << ">");
@@ -680,7 +670,7 @@ static bool checkMissing(SMESH_Gen*                aGen,
   }
   case SMESH_subMesh::MISSING_HYP: {
     // notify if an algo missing hyp is attached to aSubMesh
-    algo = aGen->GetAlgo( aMesh, aSubMesh->GetSubShape() );
+    algo = aSubMesh->GetAlgo();
     ASSERT( algo );
     bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
     if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
@@ -731,7 +721,7 @@ static bool checkMissing(SMESH_Gen*                aGen,
   {
     bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
     SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
-                                                                     /*complexShapeFirst=*/false);
+                                                                     /*complexShapeFirst=*/true);
     while ( itsub->more() )
     {
       // sub-meshes should not be checked further more
@@ -823,7 +813,8 @@ bool SMESH_Gen::GetAlgoState(SMESH_Mesh&               theMesh,
   for (dim = 3; dim > 0; dim--)
   {
     if (aGlobAlgoArr[ dim ] &&
-        !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary())
+        !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
+        !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
     {
       aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
       break;
@@ -880,14 +871,13 @@ bool SMESH_Gen::GetAlgoState(SMESH_Mesh&               theMesh,
     if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
       break;
 
-    if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
-      if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
-                         globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
-      {
-        ret = false;
-        if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
-          checkNoAlgo = false;
-      }
+    if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
+                       globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
+    {
+      ret = false;
+      if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
+        checkNoAlgo = false;
+    }
   }
 
   if ( !hasAlgo ) {

src/SMESH/SMESH_Hypothesis.cxx

@@ -24,7 +24,6 @@
 //  File   : SMESH_Hypothesis.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "SMESH_Hypothesis.hxx"
 #include "SMESH_Gen.hxx"
@@ -50,8 +49,6 @@ SMESH_Hypothesis::SMESH_Hypothesis(int hypId,
   _type = PARAM_ALGO;
   _shapeType = 0; // to be set by algo with TopAbs_Enum
   _param_algo_dim = -1; // to be set by algo parameter
-  //_parameters = string();
-  //_lastParameters = string();
 }
 
 //=============================================================================
@@ -171,59 +168,3 @@ SMESH_Mesh* SMESH_Hypothesis::GetMeshByPersistentID(int id)
   }
   return 0;
 }
-
-//=============================================================================
-/*!
- * 
- */
-//=============================================================================
-// void SMESH_Hypothesis::SetParameters(const char *theParameters)
-// {
-//   string aNewParameters(theParameters);
-//   if(aNewParameters.size()==0 && _parameters.size()==0)
-//     aNewParameters = " ";
-//   if(_parameters.size()>0)
-//     _parameters +="|";
-//   _parameters +=aNewParameters;
-//   SetLastParameters(theParameters);
-// }
-
-// //=============================================================================
-// /*!
-//  * 
-//  */
-// //=============================================================================
-// void SMESH_Hypothesis::ClearParameters()
-// {
-//   _parameters = string();
-// }
-
-// //=============================================================================
-// /*!
-//  * 
-//  */
-// //=============================================================================
-// char* SMESH_Hypothesis::GetParameters() const
-// {
-//   return (char*)_parameters.c_str();
-// }
-
-// //=============================================================================
-// /*!
-//  * 
-//  */
-// //=============================================================================
-// char* SMESH_Hypothesis::GetLastParameters() const
-// {
-//   return (char*)_lastParameters.c_str();
-// }
-
-// //=============================================================================
-// /*!
-//  * 
-//  */
-// //=============================================================================
-// void SMESH_Hypothesis::SetLastParameters(const char* theParameters)
-// {
-//   _lastParameters = string(theParameters);
-// }

src/SMESH/SMESH_Mesh.cxx

@@ -347,16 +347,32 @@ void SMESH_Mesh::Load()
 
 void SMESH_Mesh::Clear()
 {
-  // clear mesh data
-  _myMeshDS->ClearMesh();
-
-  // update compute state of submeshes
-  if ( SMESH_subMesh *sm = GetSubMeshContaining( GetShapeToMesh() ) )
+  if ( HasShapeToMesh() ) // remove all nodes and elements
   {
-    sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
-    sm->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
-    sm->ComputeStateEngine( SMESH_subMesh::CLEAN ); // for event listeners (issue 0020918)
-    sm->ComputeSubMeshStateEngine( SMESH_subMesh::CLEAN );
+    // clear mesh data
+    _myMeshDS->ClearMesh();
+
+    // update compute state of submeshes
+    if ( SMESH_subMesh *sm = GetSubMeshContaining( GetShapeToMesh() ) )
+    {
+      sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+      sm->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+      sm->ComputeStateEngine( SMESH_subMesh::CLEAN ); // for event listeners (issue 0020918)
+      sm->ComputeSubMeshStateEngine( SMESH_subMesh::CLEAN );
+    }
+  }
+  else // remove only nodes/elements computed by algorithms
+  {
+    if ( SMESH_subMesh *sm = GetSubMeshContaining( GetShapeToMesh() ) )
+    {
+      SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true,
+                                                               /*complexShapeFirst=*/true);
+      while ( smIt->more() )
+      {
+        sm = smIt->next();
+        sm->ComputeStateEngine( SMESH_subMesh::CLEAN );
+      }
+    }
   }
   _isModified = false;
 }
@@ -545,11 +561,13 @@ int SMESH_Mesh::CGNSToMesh(const char*  theFileName,
  */
 //================================================================================
 
-SMESH_ComputeErrorPtr SMESH_Mesh::GMFToMesh(const char* theFileName)
+SMESH_ComputeErrorPtr SMESH_Mesh::GMFToMesh(const char* theFileName,
+                                            bool        theMakeRequiredGroups)
 {
   DriverGMF_Read myReader;
   myReader.SetMesh(_myMeshDS);
   myReader.SetFile(theFileName);
+  myReader.SetMakeRequiredGroups( theMakeRequiredGroups );
   myReader.Perform();
   //theMeshName = myReader.GetMeshName();
 
@@ -1419,11 +1437,14 @@ void SMESH_Mesh::ExportCGNS(const char *        file,
 //================================================================================
 
 void SMESH_Mesh::ExportGMF(const char *        file,
-                           const SMESHDS_Mesh* meshDS)
+                           const SMESHDS_Mesh* meshDS,
+                           bool                withRequiredGroups)
 {
   DriverGMF_Write myWriter;
   myWriter.SetFile( file );
   myWriter.SetMesh( const_cast<SMESHDS_Mesh*>( meshDS ));
+  myWriter.SetExportRequiredGroups( withRequiredGroups );
+
   myWriter.Perform();
 }
 
@@ -1999,7 +2020,9 @@ void SMESH_Mesh::fillAncestorsMap(const TopoDS_Shape& theShape)
   {
     // a geom group is added. Insert it into lists of ancestors before
     // the first ancestor more complex than group members
-    int memberType = TopoDS_Iterator( theShape ).Value().ShapeType();
+    TopoDS_Iterator subIt( theShape );
+    if ( !subIt.More() ) return;
+    int memberType = subIt.Value().ShapeType();
     for ( desType = TopAbs_VERTEX; desType >= memberType; desType-- )
       for (TopExp_Explorer des( theShape, TopAbs_ShapeEnum( desType )); des.More(); des.Next())
       {

src/SMESH/SMESH_Mesh.hxx

@@ -122,7 +122,8 @@ public:
 
   int CGNSToMesh(const char* theFileName, const int theMeshIndex, std::string& theMeshName);
   
-  SMESH_ComputeErrorPtr GMFToMesh(const char* theFileName);
+  SMESH_ComputeErrorPtr GMFToMesh(const char* theFileName,
+                                  bool        theMakeRequiredGroups = true );
 
   SMESH_Hypothesis::Hypothesis_Status
   AddHypothesis(const TopoDS_Shape & aSubShape, int anHypId)
@@ -244,7 +245,8 @@ public:
   void ExportCGNS(const char *        file,
                   const SMESHDS_Mesh* mesh);
   void ExportGMF(const char *        file,
-                 const SMESHDS_Mesh* mesh);
+                 const SMESHDS_Mesh* mesh,
+                 bool                withRequiredGroups = true );
   void ExportSAUV(const char *file, 
                   const char* theMeshName = NULL, 
                   bool theAutoGroups = true) throw(SALOME_Exception);

src/SMESH/SMESH_MeshEditor.cxx

@@ -120,6 +120,19 @@ SMESH_MeshEditor::SMESH_MeshEditor( SMESH_Mesh* theMesh )
 {
 }
 
+//================================================================================
+/*!
+ * \brief Clears myLastCreatedNodes and myLastCreatedElems
+ */
+//================================================================================
+
+void SMESH_MeshEditor::CrearLastCreated()
+{
+  myLastCreatedNodes.Clear();
+  myLastCreatedElems.Clear();
+}
+
+
 //=======================================================================
 /*!
  * \brief Add element
@@ -389,6 +402,44 @@ int SMESH_MeshEditor::Remove (const list< int >& theIDs,
   return removed;
 }
 
+//================================================================================
+/*!
+ * \brief Create 0D elements on all nodes of the given object except those
+ *        nodes on which a 0D element already exists.
+ *  \param elements - Elements on whose nodes to create 0D elements; if empty, 
+ *                    the all mesh is treated
+ *  \param all0DElems - returns all 0D elements found or created on nodes of \a elements
+ */
+//================================================================================
+
+void SMESH_MeshEditor::Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
+                                                   TIDSortedElemSet&       all0DElems )
+{
+  typedef SMDS_SetIterator<const SMDS_MeshElement*, TIDSortedElemSet::const_iterator> TSetIterator;
+  SMDS_ElemIteratorPtr elemIt;
+  if ( elements.empty() )
+    elemIt = GetMeshDS()->elementsIterator( SMDSAbs_Node );
+  else
+    elemIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+
+  while ( elemIt->more() )
+  {
+    const SMDS_MeshElement* e = elemIt->next();
+    SMDS_ElemIteratorPtr nodeIt = e->nodesIterator();
+    while ( nodeIt->more() )
+    {
+      const SMDS_MeshNode* n = cast2Node( nodeIt->next() );
+      SMDS_ElemIteratorPtr it0D = n->GetInverseElementIterator( SMDSAbs_0DElement );
+      if ( it0D->more() )
+        all0DElems.insert( it0D->next() );
+      else {
+        myLastCreatedElems.Append( GetMeshDS()->Add0DElement( n ));
+        all0DElems.insert( myLastCreatedElems.Last() );
+      }
+    }
+  }
+}
+
 //=======================================================================
 //function : FindShape
 //purpose  : Return an index of the shape theElem is on
@@ -1065,7 +1116,7 @@ bool SMESH_MeshEditor::Reorient (const SMDS_MeshElement * theElem)
  * \brief Reorient faces.
  * \param theFaces - the faces to reorient. If empty the whole mesh is meant
  * \param theDirection - desired direction of normal of \a theFace
- * \param theFace - one of \a theFaces that sould be orientated according to
+ * \param theFace - one of \a theFaces that sould be oriented according to
  *        \a theDirection and whose orientation defines orientation of other faces
  * \return number of reoriented faces.
  */
@@ -1093,7 +1144,7 @@ int SMESH_MeshEditor::Reorient2D (TIDSortedElemSet &       theFaces,
 
   // Orient other faces
 
-  set< const SMDS_MeshElement* > startFaces;
+  set< const SMDS_MeshElement* > startFaces, visitedFaces;
   TIDSortedElemSet avoidSet;
   set< SMESH_TLink > checkedLinks;
   pair< set< SMESH_TLink >::iterator, bool > linkIt_isNew;
@@ -1102,16 +1153,26 @@ int SMESH_MeshEditor::Reorient2D (TIDSortedElemSet &       theFaces,
     theFaces.erase( theFace );
   startFaces.insert( theFace );
 
+  int nodeInd1, nodeInd2;
+  const SMDS_MeshElement*           otherFace;
+  vector< const SMDS_MeshElement* > facesNearLink;
+  vector< std::pair< int, int > >   nodeIndsOfFace;
+
   set< const SMDS_MeshElement* >::iterator startFace = startFaces.begin();
-  while ( startFace != startFaces.end() )
+  while ( !startFaces.empty() )
   {
+    startFace = startFaces.begin();
     theFace = *startFace;
-    const int nbNodes = theFace->NbCornerNodes();
+    startFaces.erase( startFace );
+    if ( !visitedFaces.insert( theFace ).second )
+      continue;
 
     avoidSet.clear();
     avoidSet.insert(theFace);
 
     NLink link( theFace->GetNode( 0 ), 0 );
+
+    const int nbNodes = theFace->NbCornerNodes();
     for ( int i = 0; i < nbNodes; ++i ) // loop on links of theFace
     {
       link.second = theFace->GetNode(( i+1 ) % nbNodes );
@@ -1120,33 +1181,61 @@ int SMESH_MeshEditor::Reorient2D (TIDSortedElemSet &       theFaces,
       {
         // link has already been checked and won't be encountered more
         // if the group (theFaces) is manifold
-        checkedLinks.erase( linkIt_isNew.first );
+        //checkedLinks.erase( linkIt_isNew.first );
       }
       else
       {
-        int nodeInd1, nodeInd2;
-        const SMDS_MeshElement* otherFace = FindFaceInSet( link.first, link.second,
-                                                           theFaces, avoidSet,
-                                                           & nodeInd1, & nodeInd2);
+        facesNearLink.clear();
+        nodeIndsOfFace.clear();
+        while (( otherFace = FindFaceInSet( link.first, link.second,
+                                            theFaces, avoidSet, &nodeInd1, &nodeInd2 )))
+          if ( otherFace != theFace)
+          {
+            facesNearLink.push_back( otherFace );
+            nodeIndsOfFace.push_back( make_pair( nodeInd1, nodeInd2 ));
+            avoidSet.insert( otherFace );
+          }
+        if ( facesNearLink.size() > 1 )
+        {
+          // NON-MANIFOLD mesh shell !
+          // select a face most co-directed with theFace,
+          // other faces won't be visited this time
+          gp_XYZ NF, NOF;
+          SMESH_Algo::FaceNormal( theFace, NF, /*normalized=*/false );
+          double proj, maxProj = -1;
+          for ( size_t i = 0; i < facesNearLink.size(); ++i ) {
+            SMESH_Algo::FaceNormal( facesNearLink[i], NOF, /*normalized=*/false );
+            if (( proj = Abs( NF * NOF )) > maxProj ) {
+              maxProj = proj;
+              otherFace = facesNearLink[i];
+              nodeInd1  = nodeIndsOfFace[i].first;
+              nodeInd2  = nodeIndsOfFace[i].second;
+            }
+          }
+          // not to visit rejected faces
+          for ( size_t i = 0; i < facesNearLink.size(); ++i )
+            if ( facesNearLink[i] != otherFace && theFaces.size() > 1 )
+              visitedFaces.insert( facesNearLink[i] );
+        }
+        else if ( facesNearLink.size() == 1 )
+        {
+          otherFace = facesNearLink[0];
+          nodeInd1  = nodeIndsOfFace.back().first;
+          nodeInd2  = nodeIndsOfFace.back().second;
+        }
         if ( otherFace && otherFace != theFace)
         {
-          // link must be reversed in otherFace if orientation ot otherFace
+          // link must be reverse in otherFace if orientation ot otherFace
           // is same as that of theFace
           if ( abs(nodeInd2-nodeInd1) == 1 ? nodeInd2 > nodeInd1 : nodeInd1 > nodeInd2 )
           {
-            // cout << "Reorient " << otherFace->GetID() << " near theFace=" <<theFace->GetID()
-            //      << " \tlink( " << link.first->GetID() << " " << link.second->GetID() << endl;
             nbReori += Reorient( otherFace );
           }
           startFaces.insert( otherFace );
-          if ( theFaces.size() > 1 ) // leave 1 face to prevent finding not selected faces
-            theFaces.erase( otherFace );
         }
       }
-      std::swap( link.first, link.second );
+      std::swap( link.first, link.second ); // reverse the link
     }
-    startFaces.erase( startFace );
-    startFace = startFaces.begin();
   }
   return nbReori;
 }
@@ -1216,7 +1305,8 @@ bool SMESH_MeshEditor::QuadToTri (TIDSortedElemSet &                   theElems,
     if( !elem->IsQuadratic() ) {
 
       // split liner quadrangle
-
+      // for MaxElementLength2D functor we return minimum diagonal for splitting,
+      // because aBadRate1=2*len(diagonal 1-3); aBadRate2=2*len(diagonal 2-4)
       if ( aBadRate1 <= aBadRate2 ) {
         // tr1 + tr2 is better
         newElem1 = aMesh->AddFace( aNodes[2], aNodes[3], aNodes[0] );
@@ -1350,7 +1440,8 @@ int SMESH_MeshEditor::BestSplit (const SMDS_MeshElement*              theQuad,
     SMDS_FaceOfNodes tr3 ( aNodes[1], aNodes[2], aNodes[3] );
     SMDS_FaceOfNodes tr4 ( aNodes[3], aNodes[0], aNodes[1] );
     aBadRate2 = getBadRate( &tr3, theCrit ) + getBadRate( &tr4, theCrit );
-
+    // for MaxElementLength2D functor we return minimum diagonal for splitting,
+    // because aBadRate1=2*len(diagonal 1-3); aBadRate2=2*len(diagonal 2-4)
     if (aBadRate1 <= aBadRate2) // tr1 + tr2 is better
       return 1; // diagonal 1-3
 
@@ -3062,7 +3153,7 @@ void SMESH_MeshEditor::Smooth (TIDSortedElemSet &          theElems,
     SMDS_FaceIteratorPtr fIt = aMesh->facesIterator();
     while ( fIt->more() ) {
       const SMDS_MeshElement* face = fIt->next();
-      theElems.insert( face );
+      theElems.insert( theElems.end(), face );
     }
   }
   // get all face ids theElems are on
@@ -5082,10 +5173,16 @@ SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet &   theElements,
     if ( BRep_Tool::Degenerated( aTrackEdge ) )
       return EXTR_BAD_PATH_SHAPE;
     TopExp::Vertices( aTrackEdge, aV1, aV2 );
-    aItN = theTrack->GetSubMesh( aV1 )->GetSubMeshDS()->GetNodes();
-    const SMDS_MeshNode* aN1 = aItN->next();
-    aItN = theTrack->GetSubMesh( aV2 )->GetSubMeshDS()->GetNodes();
-    const SMDS_MeshNode* aN2 = aItN->next();
+    const SMDS_MeshNode* aN1 = 0;
+    const SMDS_MeshNode* aN2 = 0;
+    if ( theTrack->GetSubMesh( aV1 ) && theTrack->GetSubMesh( aV1 )->GetSubMeshDS() ) {
+      aItN = theTrack->GetSubMesh( aV1 )->GetSubMeshDS()->GetNodes();
+      aN1 = aItN->next();
+    }
+    if ( theTrack->GetSubMesh( aV2 ) && theTrack->GetSubMesh( aV2 )->GetSubMeshDS() ) {
+      aItN = theTrack->GetSubMesh( aV2 )->GetSubMeshDS()->GetNodes();
+      aN2 = aItN->next();
+    }
     // starting node must be aN1 or aN2
     if ( !( aN1 == theN1 || aN2 == theN1 ) )
       return EXTR_BAD_STARTING_NODE;
@@ -5115,7 +5212,7 @@ SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet &   theElements,
       }
     }
     list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
-    int startNid = theN1->GetID();
+    TopoDS_Vertex aVprev;
     TColStd_MapOfInteger UsedNums;
     int NbEdges = Edges.Length();
     int i = 1;
@@ -5129,17 +5226,37 @@ SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet &   theElements,
         SMESH_subMesh* locTrack = *itLSM;
         SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
         TopExp::Vertices( aTrackEdge, aV1, aV2 );
-        aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
-        const SMDS_MeshNode* aN1 = aItN->next();
-        aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
-        const SMDS_MeshNode* aN2 = aItN->next();
-        // starting node must be aN1 or aN2
-        if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
+        bool aN1isOK = false, aN2isOK = false;
+        if ( aVprev.IsNull() ) {
+          // if previous vertex is not yet defined, it means that we in the beginning of wire
+          // and we have to find initial vertex corresponding to starting node theN1
+          const SMDS_MeshNode* aN1 = 0;
+          const SMDS_MeshNode* aN2 = 0;
+
+          if ( locTrack->GetFather()->GetSubMesh(aV1) && locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS() ) {
+            aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
+            aN1 = aItN->next();
+          }
+          if ( locTrack->GetFather()->GetSubMesh(aV2) && locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS() ) {
+            aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
+            aN2 = aItN->next();
+          }
+          // starting node must be aN1 or aN2
+          aN1isOK = ( aN1 && aN1 == theN1 );
+          aN2isOK = ( aN2 && aN2 == theN1 );
+        }
+        else {
+          // we have specified ending vertex of the previous edge on the previous iteration
+          // and we have just to check that it corresponds to any vertex in current segment
+          aN1isOK = aVprev.IsSame( aV1 );
+          aN2isOK = aVprev.IsSame( aV2 );
+        }
+        if ( !aN1isOK && !aN2isOK ) continue;
         // 2. Collect parameters on the track edge
         aPrms.clear();
         aItN = locMeshDS->GetNodes();
         while ( aItN->more() ) {
-          const SMDS_MeshNode* pNode = aItN->next();
+          const SMDS_MeshNode*     pNode = aItN->next();
           const SMDS_EdgePosition* pEPos =
             static_cast<const SMDS_EdgePosition*>( pNode->GetPosition() );
           double aT = pEPos->GetUParameter();
@@ -5147,12 +5264,12 @@ SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet &   theElements,
         }
         list<SMESH_MeshEditor_PathPoint> LPP;
         //Extrusion_Error err =
-        MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
+        MakeEdgePathPoints(aPrms, aTrackEdge, aN1isOK, LPP);
         LLPPs.push_back(LPP);
         UsedNums.Add(k);
         // update startN for search following egde
-        if( aN1->GetID() == startNid ) startNid = aN2->GetID();
-        else startNid = aN1->GetID();
+        if ( aN1isOK ) aVprev = aV2;
+        else           aVprev = aV1;
         break;
       }
     }
@@ -5171,8 +5288,7 @@ SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet &   theElements,
       SMESH_MeshEditor_PathPoint PP2 = currList.front();
       gp_Dir D1 = PP1.Tangent();
       gp_Dir D2 = PP2.Tangent();
-      gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
-                           (D1.Z()+D2.Z())/2 ) );
+      gp_Dir Dnew( ( D1.XYZ() + D2.XYZ() ) / 2 );
       PP1.SetTangent(Dnew);
       fullList.push_back(PP1);
       itPP++;
@@ -8156,6 +8272,7 @@ private:
 //purpose  : Return list of group of elements built on the same nodes.
 //           Search among theElements or in the whole mesh if theElements is empty
 //=======================================================================
+
 void SMESH_MeshEditor::FindEqualElements(TIDSortedElemSet &        theElements,
                                          TListOfListOfElementsID & theGroupsOfElementsID)
 {

src/SMESH/SMESH_MeshEditor.hxx

@@ -116,6 +116,7 @@ public:
 
   const SMESH_SequenceOfElemPtr& GetLastCreatedNodes() const { return myLastCreatedNodes; }
   const SMESH_SequenceOfElemPtr& GetLastCreatedElems() const { return myLastCreatedElems; }
+  void                           CrearLastCreated();
 
   SMESH_ComputeErrorPtr &        GetError() { return myError; }
 
@@ -139,6 +140,12 @@ public:
   // Remove a node or an element.
   // Modify a compute state of sub-meshes which become empty
 
+  void Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
+                                   TIDSortedElemSet&       all0DElems);
+  // Create 0D elements on all nodes of the given object except those
+  // nodes on which a 0D element already exists. \a all0DElems returns
+  // all 0D elements found or created on nodes of \a elements
+
   bool InverseDiag (const SMDS_MeshElement * theTria1,
                     const SMDS_MeshElement * theTria2 );
   // Replace two neighbour triangles with ones built on the same 4 nodes

src/SMESH/SMESH_MesherHelper.cxx

@@ -283,6 +283,18 @@ void SMESH_MesherHelper::SetSubShape(const TopoDS_Shape& aSh)
             myDegenShapeIds.insert( meshDS->ShapeToIndex( v.Current() ));
         }
       }
+      if ( !myDegenShapeIds.empty() && !myParIndex ) {
+        if ( surface->IsUPeriodic() || surface->IsUClosed() ) {
+          myParIndex |= U_periodic;
+          myPar1[0] = surf.FirstUParameter();
+          myPar2[0] = surf.LastUParameter();
+        }
+        else if ( surface->IsVPeriodic() || surface->IsVClosed() ) {
+          myParIndex |= V_periodic;
+          myPar1[1] = surf.FirstVParameter();
+          myPar2[1] = surf.LastVParameter();
+        }
+      }
     }
   }
 }
@@ -3428,7 +3440,7 @@ namespace { // Structures used by FixQuadraticElements()
  */
 //=======================================================================
 
-void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& error,
+void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
                                               bool                   volumeOnly)
 {
   // setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
@@ -3462,7 +3474,8 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& error,
 #endif
         SMESH_MesherHelper h(*myMesh);
         h.SetSubShape( s.Current() );
-        h.FixQuadraticElements( error, false );
+        h.ToFixNodeParameters(true);
+        h.FixQuadraticElements( compError, false );
       }
     }
     // fix nodes on geom faces
@@ -3473,12 +3486,12 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& error,
       MSG("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
       SMESH_MesherHelper h(*myMesh);
       h.SetSubShape( fIt.Key() );
-      h.FixQuadraticElements( error, true);
       h.ToFixNodeParameters(true);
+      h.FixQuadraticElements( compError, true);
     }
     //perf_print_all_meters(1);
-    if ( error && error->myName == EDITERR_NO_MEDIUM_ON_GEOM )
-      error->myComment = "during conversion to quadratic, "
+    if ( compError && compError->myName == EDITERR_NO_MEDIUM_ON_GEOM )
+      compError->myComment = "during conversion to quadratic, "
         "some medium nodes were not placed on geometry to avoid distorting elements";
     return;
   }
@@ -3521,7 +3534,7 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& error,
   // Issue 0020982
   // Move medium nodes to the link middle for elements whose corner nodes
   // are out of geometrical boundary to fix distorted elements.
-  force3DOutOfBoundary( *this, error );
+  force3DOutOfBoundary( *this, compError );
 
   if ( elemType == SMDSAbs_Volume )
   {
@@ -3595,7 +3608,9 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& error,
         QLink link( face->GetNode(iN), face->GetNode((iN+1)%nbN), face->GetNode(iN+nbN) );
         pLink = links.insert( link ).first;
         faceLinks[ iN ] = & *pLink;
-        if ( !isCurved )
+        if ( !isCurved &&
+             link.node1()->GetPosition()->GetTypeOfPosition() < 2 &&
+             link.node2()->GetPosition()->GetTypeOfPosition() < 2 )
           isCurved = !link.IsStraight();
       }
       // store QFace

src/SMESH/SMESH_subMesh.cxx

@@ -1133,7 +1133,7 @@ bool SMESH_subMesh::IsConform(const SMESH_Algo* theAlgo)
  */
 //=============================================================================
 
-void SMESH_subMesh::setAlgoState(int state)
+void SMESH_subMesh::setAlgoState(algo_state state)
 {
   _algoState = state;
 }
@@ -2203,6 +2203,9 @@ void SMESH_subMesh::DeleteEventListener(EventListener* listener)
       delete l_d->second;
     }
     _eventListeners.erase( l_d );
+
+    if ( l_d->first && !l_d->first->IsDeletable() )
+      l_d->first->myBusySM.erase( this );
   }
 }
 

src/SMESH/SMESH_subMesh.hxx

@@ -65,7 +65,7 @@ class SMESH_EXPORT SMESH_subMesh
                 const TopoDS_Shape & aSubShape);
   virtual ~ SMESH_subMesh();
 
-  int GetId() const;
+  int GetId() const; // == meshDS->ShapeToIndex( aSubShape )
 
   SMESH_Mesh* GetFather() { return _father; }
   
@@ -209,9 +209,9 @@ public:
   SMESH_Hypothesis::Hypothesis_Status
     SubMeshesAlgoStateEngine(int event, SMESH_Hypothesis * anHyp);
 
-  int GetAlgoState() const { return _algoState; }
-  int GetComputeState() const { return _computeState; };
-  SMESH_ComputeErrorPtr& GetComputeError() { return _computeError; }
+  algo_state             GetAlgoState() const    { return _algoState; }
+  compute_state          GetComputeState() const { return _computeState; };
+  SMESH_ComputeErrorPtr& GetComputeError()       { return _computeError; }
 
   void DumpAlgoState(bool isMain);
 
@@ -275,7 +275,7 @@ protected:
   void updateSubMeshState(const compute_state theState);
   void cleanDependants();
   void cleanDependsOn();
-  void setAlgoState(int state);
+  void setAlgoState(algo_state state);
 
   /*!
    * \brief Return a shape containing all sub-shapes of the MainShape that can be
@@ -314,8 +314,8 @@ protected:
   std::map < int, SMESH_subMesh * >_mapDepend;
   bool                  _dependenceAnalysed;
 
-  int                   _algoState;
-  int                   _computeState;
+  algo_state            _algoState;
+  compute_state         _computeState;
   SMESH_ComputeErrorPtr _computeError;
 
   // allow algo->Compute() if a subshape of lower dim is meshed but

src/SMESHGUI/Makefile.am

@@ -97,6 +97,7 @@ salomeinclude_HEADERS = \
 	SMESHGUI_PreviewDlg.h  \
 	SMESHGUI_ReorientFacesDlg.h \
 	SMESHGUI_PropertiesDlg.h \
+	SMESHGUI_Add0DElemsOnAllNodesDlg.h \
 	SMESH_SMESHGUI.hxx
 
 # Libraries targets
@@ -173,7 +174,8 @@ dist_libSMESH_la_SOURCES = \
 	SMESHGUI_FileValidator.cxx \
 	SMESHGUI_PreviewDlg.cxx  \
 	SMESHGUI_ReorientFacesDlg.cxx \
-	SMESHGUI_PropertiesDlg.cxx
+	SMESHGUI_PropertiesDlg.cxx \
+	SMESHGUI_Add0DElemsOnAllNodesDlg.cxx
 
 MOC_FILES = \
 	SMESHGUI_moc.cxx \
@@ -233,7 +235,8 @@ MOC_FILES = \
 	SMESHGUI_MeshOrderOp_moc.cxx \
 	SMESHGUI_PreviewDlg_moc.cxx \
 	SMESHGUI_ReorientFacesDlg_moc.cxx \
-	SMESHGUI_PropertiesDlg_moc.cxx
+	SMESHGUI_PropertiesDlg_moc.cxx \
+	SMESHGUI_Add0DElemsOnAllNodesDlg_moc.cxx
 
 nodist_libSMESH_la_SOURCES= \
 	$(MOC_FILES)

src/SMESHGUI/SMESHGUI.cxx

@@ -27,18 +27,21 @@
 #undef HAVE_FINITE            // VSR: avoid compilation warning on Linux : "HAVE_FINITE" redefined
 #endif
 #include "Python.h"
+
 //  SMESH includes
 #include "SMESHGUI.h"
+#include "SMESHGUI_Add0DElemsOnAllNodesDlg.h"
 #include "SMESHGUI_AddMeshElementDlg.h"
 #include "SMESHGUI_AddQuadraticElementDlg.h"
 #include "SMESHGUI_BuildCompoundDlg.h"
 #include "SMESHGUI_ClippingDlg.h"
 #include "SMESHGUI_ComputeDlg.h"
 #include "SMESHGUI_ConvToQuadOp.h"
+#include "SMESHGUI_CopyMeshDlg.h"
 #include "SMESHGUI_CreatePolyhedralVolumeDlg.h"
 #include "SMESHGUI_DeleteGroupDlg.h"
 #include "SMESHGUI_Displayer.h"
-#include "SMESHGUI_MergeDlg.h"
+#include "SMESHGUI_DuplicateNodesDlg.h"
 #include "SMESHGUI_ExtrusionAlongPathDlg.h"
 #include "SMESHGUI_ExtrusionDlg.h"
 #include "SMESHGUI_FileInfoDlg.h"
@@ -53,6 +56,7 @@
 #include "SMESHGUI_Make2DFrom3DOp.h"
 #include "SMESHGUI_MakeNodeAtPointDlg.h"
 #include "SMESHGUI_Measurements.h"
+#include "SMESHGUI_MergeDlg.h"
 #include "SMESHGUI_MeshInfo.h"
 #include "SMESHGUI_MeshOp.h"
 #include "SMESHGUI_MeshOrderOp.h"
@@ -64,61 +68,59 @@
 #include "SMESHGUI_RemoveElementsDlg.h"
 #include "SMESHGUI_RemoveNodesDlg.h"
 #include "SMESHGUI_RenumberingDlg.h"
+#include "SMESHGUI_ReorientFacesDlg.h"
 #include "SMESHGUI_RevolutionDlg.h"
 #include "SMESHGUI_RotationDlg.h"
+#include "SMESHGUI_ScaleDlg.h"
 #include "SMESHGUI_Selection.h"
 #include "SMESHGUI_SewingDlg.h"
 #include "SMESHGUI_SingleEditDlg.h"
 #include "SMESHGUI_SmoothingDlg.h"
 #include "SMESHGUI_SymmetryDlg.h"
 #include "SMESHGUI_TranslationDlg.h"
-#include "SMESHGUI_ScaleDlg.h"
 #include "SMESHGUI_TransparencyDlg.h"
-#include "SMESHGUI_DuplicateNodesDlg.h"
-#include "SMESHGUI_CopyMeshDlg.h"
-#include "SMESHGUI_ReorientFacesDlg.h"
 
-#include "SMESHGUI_Utils.h"
-#include "SMESHGUI_MeshUtils.h"
-#include "SMESHGUI_GroupUtils.h"
 #include "SMESHGUI_FilterUtils.h"
-#include "SMESHGUI_PatternUtils.h"
-#include "SMESHGUI_VTKUtils.h"
+#include "SMESHGUI_GroupUtils.h"
 #include "SMESHGUI_HypothesesUtils.h"
+#include "SMESHGUI_MeshUtils.h"
+#include "SMESHGUI_PatternUtils.h"
+#include "SMESHGUI_Utils.h"
+#include "SMESHGUI_VTKUtils.h"
 
 #include <SMESH_version.h>
 
-#include <SMESH_Client.hxx>
-#include <SMESH_Actor.h>
-#include <SMESH_ScalarBarActor.h>
-#include <SMESH_ActorUtils.h>
-#include <SMESH_TypeFilter.hxx>
 #include "SMESH_ControlsDef.hxx"
+#include <SMESH_Actor.h>
+#include <SMESH_ActorUtils.h>
+#include <SMESH_Client.hxx>
+#include <SMESH_ScalarBarActor.h>
+#include <SMESH_TypeFilter.hxx>
 
 // SALOME GUI includes
-#include <SalomeApp_Tools.h>
-#include <SalomeApp_Study.h>
 #include <SalomeApp_Application.h>
 #include <SalomeApp_CheckFileDlg.h>
 #include <SalomeApp_DataObject.h>
+#include <SalomeApp_Study.h>
+#include <SalomeApp_Tools.h>
 
 #include <LightApp_DataOwner.h>
+#include <LightApp_NameDlg.h>
 #include <LightApp_Preferences.h>
 #include <LightApp_SelectionMgr.h>
 #include <LightApp_UpdateFlags.h>
-#include <LightApp_NameDlg.h>
 
-#include <SVTK_ViewWindow.h>
-#include <SVTK_ViewModel.h>
 #include <SVTK_ViewManager.h>
+#include <SVTK_ViewModel.h>
+#include <SVTK_ViewWindow.h>
 
 #include <VTKViewer_Algorithm.h>
 
-#include <SUIT_MessageBox.h>
-#include <SUIT_ResourceMgr.h>
-#include <SUIT_FileDlg.h>
 #include <SUIT_Desktop.h>
+#include <SUIT_FileDlg.h>
+#include <SUIT_MessageBox.h>
 #include <SUIT_OverrideCursor.h>
+#include <SUIT_ResourceMgr.h>
 #include <SUIT_Session.h>
 
 #include <QtxPopupMgr.h>
@@ -148,18 +150,18 @@
 #include <boost/shared_ptr.hpp>
 
 // VTK includes
-#include <vtkCamera.h>
-#include <vtkRenderer.h>
-#include <vtkPlane.h>
 #include <vtkCallbackCommand.h>
+#include <vtkCamera.h>
 #include <vtkLookupTable.h>
+#include <vtkPlane.h>
+#include <vtkRenderer.h>
 
 // SALOME KERNEL includes
-#include <SALOMEDS_Study.hxx>
-#include <SALOMEDSClient_StudyBuilder.hxx>
-#include <SALOMEDSClient_SComponent.hxx>
 #include <SALOMEDSClient_ClientFactory.hxx>
 #include <SALOMEDSClient_IParameters.hxx>
+#include <SALOMEDSClient_SComponent.hxx>
+#include <SALOMEDSClient_StudyBuilder.hxx>
+#include <SALOMEDS_Study.hxx>
 
 // OCCT includes
 #include <Standard_ErrorHandler.hxx>
@@ -168,7 +170,8 @@
 #include <Basics_Utils.hxx>
 
 //To disable automatic genericobj management, the following line should be commented.
-//Otherwise, it should be uncommented. Refer to KERNEL_SRC/src/SALOMEDSImpl/SALOMEDSImpl_AttributeIOR.cxx
+//Otherwise, it should be uncommented.
+//Refer to KERNEL_SRC/src/SALOMEDSImpl/SALOMEDSImpl_AttributeIOR.cxx
 #define WITHGENERICOBJ
 
 //namespace{
@@ -223,10 +226,28 @@
     if ( SUIT_FileDlg::getLastVisitedPath().isEmpty() )
       anInitialPath = QDir::currentPath();
 
-    QStringList filenames = SUIT_FileDlg::getOpenFileNames( SMESHGUI::desktop(),
-                                                            anInitialPath,
-                                                            filter,
-                                                            QObject::tr( "SMESH_IMPORT_MESH" ) );
+    QStringList filenames;
+    bool toCreateGroups = true;
+
+    // if ( theCommandID == 118 ) { // GMF
+    //   SalomeApp_CheckFileDlg* fd = new SalomeApp_CheckFileDlg
+    //     ( SMESHGUI::desktop(), true, QObject::tr("SMESH_REQUIRED_GROUPS"), true, true );
+    //   fd->setWindowTitle( QObject::tr( "SMESH_IMPORT_MESH" ) );
+    //   fd->setNameFilters( filter );
+    //   fd->SetChecked( true );
+    //   if ( fd->exec() )
+    //     filenames << fd->selectedFile();
+    //   toCreateGroups = fd->IsChecked();
+
+    //   delete fd;
+    // }
+    // else
+    {
+      filenames = SUIT_FileDlg::getOpenFileNames( SMESHGUI::desktop(),
+                                                  anInitialPath,
+                                                  filter,
+                                                  QObject::tr( "SMESH_IMPORT_MESH" ) );
+    }
     if ( filenames.count() > 0 ) {
       SUIT_OverrideCursor wc;
       _PTR(Study) aStudy = SMESH::GetActiveStudyDocument();
@@ -305,7 +326,9 @@
               // GMF format
               SMESH::ComputeError_var res;
               aMeshes->length( 1 );
-              aMeshes[0] = theComponentMesh->CreateMeshesFromGMF( filename.toLatin1().constData(), res.out() );
+              aMeshes[0] = theComponentMesh->CreateMeshesFromGMF( filename.toLatin1().constData(),
+                                                                  toCreateGroups,
+                                                                  res.out() );
               if ( res->code != SMESH::DRS_OK ) {
                 errors.append( QString( "%1 :\n\t%2" ).arg( filename ).
                                arg( QObject::tr( QString( "SMESH_DRS_%1" ).arg( res->code ).toLatin1().data() ) ) );
@@ -595,11 +618,37 @@
       else if ( isGMF )
         aFilter = QObject::tr( "GMF_ASCII_FILES_FILTER" ) + " (*.mesh)" +
           ";;" +  QObject::tr( "GMF_BINARY_FILES_FILTER" )  + " (*.meshb)";
-      if ( anInitialPath.isEmpty() ) anInitialPath = SUIT_FileDlg::getLastVisitedPath();
+     if ( anInitialPath.isEmpty() ) anInitialPath = SUIT_FileDlg::getLastVisitedPath();
       aFilename = SUIT_FileDlg::getFileName(SMESHGUI::desktop(),
                                             anInitialPath + QString("/") + aMeshName,
                                             aFilter, aTitle, false);
     }
+    // else if ( isGMF )// Export to GMF
+    // {
+      // SalomeApp_CheckFileDlg* fd = new SalomeApp_CheckFileDlg
+      //   ( SMESHGUI::desktop(), false, QObject::tr("SMESH_REQUIRED_GROUPS"), true, true );
+      // QStringList filters;
+      // filters << QObject::tr( "GMF_ASCII_FILES_FILTER" ) + " (*.mesh)"
+      //         << QObject::tr( "GMF_BINARY_FILES_FILTER" )  + " (*.meshb)";
+      // fd->setWindowTitle( aTitle );
+      // fd->setNameFilters( filters );
+
+      // if ( !aMeshOrGroup->_is_equivalent( aMesh ))
+      //   toCreateGroups = false;
+      // else
+      //   toCreateGroups = ( aMesh->NbGroups() > 0 );
+
+      // fd->SetChecked( true );
+      // if ( !anInitialPath.isEmpty() )
+      //   fd->setDirectory( anInitialPath );
+      // fd->selectFile(aMeshName);
+
+      // if ( fd->exec() )
+      //   aFilename = fd->selectedFile();
+      // toCreateGroups = fd->IsChecked();
+
+      // delete fd;
+    // }
     else if ( isCGNS )// Export to CGNS
     {
       SUIT_FileDlg* fd = new SUIT_FileDlg( SMESHGUI::desktop(), false, true, true );
@@ -845,7 +894,8 @@
         }
         else if ( isGMF )
         {
-          aMesh->ExportGMF( aMeshOrGroup, aFilename.toLatin1().data() );
+          toCreateGroups = true;
+          aMesh->ExportGMF( aMeshOrGroup, aFilename.toLatin1().data(), toCreateGroups );
         }
       }
       catch (const SALOME::SALOME_Exception& S_ex){
@@ -3020,7 +3070,7 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
       if(checkLock(aStudy)) break;
       if ( vtkwnd ) {
         EmitSignalDeactivateDialog();
-        SMDSAbs_EntityType type;
+        SMDSAbs_EntityType type = SMDSEntity_Last;
 
         switch (theCommandID) {
         case 4034:
@@ -3038,13 +3088,13 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
         case 4039:
           type = SMDSEntity_Quad_Penta; break;
         case 4040:
-          type = SMDSEntity_Quad_Hexa;
+          type = SMDSEntity_Quad_Hexa; break;
         case 4140:
-          type = SMDSEntity_TriQuad_Hexa;
-          break;
-        default:;
+          type = SMDSEntity_TriQuad_Hexa; break;
+        default: break;
         }
-         ( new SMESHGUI_AddQuadraticElementDlg( this, type ) )->show();
+        if ( type != SMDSEntity_Last )
+          ( new SMESHGUI_AddQuadraticElementDlg( this, type ) )->show();
       }
       else {
         SUIT_MessageBox::warning(SMESHGUI::desktop(),
@@ -3295,6 +3345,10 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
       break;
     }
 
+  case 4070: // 0D_ON_ALL_NODES
+    startOperation( 4070 );
+    break;
+
   case 5105: // Library of selection filters
   {
     static QList<int> aTypes;
@@ -3645,6 +3699,7 @@ void SMESHGUI::initialize( CAM_Application* app )
   createSMESHAction( 4067, "MESH_THROU_POINT","ICON_DLG_MOVE_NODE" );
   createSMESHAction( 4068, "SCALE",           "ICON_DLG_MESH_SCALE" );
   createSMESHAction( 4069, "DUPLICATE_NODES", "ICON_SMESH_DUPLICATE_NODES" );
+  createSMESHAction( 4070, "0D_ON_ALL_NODES", "ICON_0D_ON_ALL_NODES" );
   createSMESHAction(  407, "INV",             "ICON_DLG_MESH_DIAGONAL" );
   createSMESHAction(  408, "UNION2",          "ICON_UNION2TRI" );
   createSMESHAction(  409, "ORIENT",          "ICON_DLG_MESH_ORIENTATION" );
@@ -3807,6 +3862,7 @@ void SMESHGUI::initialize( CAM_Application* app )
 
   createMenu( 4000, addId, -1 );
   createMenu( 4009, addId, -1 );
+  createMenu( 4070, addId, -1 );
   createMenu( 4008, addId, -1 );
   createMenu( 4010, addId, -1 );
   createMenu( 4021, addId, -1 );
@@ -3932,6 +3988,7 @@ void SMESHGUI::initialize( CAM_Application* app )
 
   createTool( 4000, addRemTb );
   createTool( 4009, addRemTb );
+  createTool( 4070, addRemTb );
   createTool( 4008, addRemTb );
   createTool( 4010, addRemTb );
   createTool( 4021, addRemTb );
@@ -5130,9 +5187,12 @@ LightApp_Operation* SMESHGUI::createOperation( const int id ) const
     case 904: // Find element
       op = new SMESHGUI_FindElemByPointOp();
       break;
-    case 4067: // make mesh pass through point
+    case 4067: // Make mesh pass through point
       op = new SMESHGUI_MakeNodeAtPointOp();
       break;
+    case 4070: // Create 0D elements on all nodes
+      op = new SMESHGUI_Add0DElemsOnAllNodesOp();
+      break;
     default:
     break;
   }
@@ -5372,8 +5432,8 @@ void SMESHGUI::storeVisualParameters (int savePoint)
                   bool isE  = aMode & SMESH_Actor::eEdges;
                   bool isF  = aMode & SMESH_Actor::eFaces;
                   bool isV  = aMode & SMESH_Actor::eVolumes;
-		  bool is0d = aMode & SMESH_Actor::e0DElements;
-		  bool isB  = aMode & SMESH_Actor::eBallElem;
+                  bool is0d = aMode & SMESH_Actor::e0DElements;
+                  bool isB  = aMode & SMESH_Actor::eBallElem;
 
                   QString modeStr ("e");
                   modeStr += gDigitsSep; modeStr += QString::number(isE);
@@ -5395,7 +5455,7 @@ void SMESHGUI::storeVisualParameters (int savePoint)
 
                   aSmeshActor->GetSufaceColor(r, g, b, delta);
                   QStringList colorStr;
-		  colorStr << "surface";
+                  colorStr << "surface";
                   colorStr << QString::number(r);
                   colorStr << QString::number(g);
                   colorStr << QString::number(b);
@@ -5450,8 +5510,8 @@ void SMESHGUI::storeVisualParameters (int savePoint)
                   ip->setParameter(entry, param, qPrintable(colorStr.join(gDigitsSep)));
 
                   // Sizes
-		  QStringList sizeStr;
-		  sizeStr << "line";
+                  QStringList sizeStr;
+                  sizeStr << "line";
                   sizeStr << QString::number((int)aSmeshActor->GetLineWidth());
                   sizeStr << "outline";
                   sizeStr << QString::number((int)aSmeshActor->GetOutlineWidth());
@@ -5791,280 +5851,280 @@ void SMESHGUI::restoreVisualParameters (int savePoint)
             // Displayed entities
             else if (paramNameStr == "Entities") {
               QStringList mode = val.split(gDigitsSep, QString::SkipEmptyParts);
-	      int aEntityMode = SMESH_Actor::eAllEntity;
-	      for ( int i = 0; i < mode.count(); i+=2 ) {
-		if ( i < mode.count()-1 ) {
-		  QString type = mode[i];
-		  bool val = mode[i+1].toInt();
-		  if      ( type == "e" && !val )
-		    aEntityMode = aEntityMode & ~SMESH_Actor::eEdges;
-		  else if ( type == "f" && !val )
-		    aEntityMode = aEntityMode & ~SMESH_Actor::eFaces;
-		  else if ( type == "v" && !val )
-		    aEntityMode = aEntityMode & ~SMESH_Actor::eVolumes;
-		  else if ( type == "0d" && !val )
-		    aEntityMode = aEntityMode & ~SMESH_Actor::e0DElements;
-		  else if ( type == "b" && !val )
-		    aEntityMode = aEntityMode & ~SMESH_Actor::eBallElem;
-		}
-	      }
-	      aSmeshActor->SetEntityMode( aEntityMode );
+              int aEntityMode = SMESH_Actor::eAllEntity;
+              for ( int i = 0; i < mode.count(); i+=2 ) {
+                if ( i < mode.count()-1 ) {
+                  QString type = mode[i];
+                  bool val = mode[i+1].toInt();
+                  if      ( type == "e" && !val )
+                    aEntityMode = aEntityMode & ~SMESH_Actor::eEdges;
+                  else if ( type == "f" && !val )
+                    aEntityMode = aEntityMode & ~SMESH_Actor::eFaces;
+                  else if ( type == "v" && !val )
+                    aEntityMode = aEntityMode & ~SMESH_Actor::eVolumes;
+                  else if ( type == "0d" && !val )
+                    aEntityMode = aEntityMode & ~SMESH_Actor::e0DElements;
+                  else if ( type == "b" && !val )
+                    aEntityMode = aEntityMode & ~SMESH_Actor::eBallElem;
+                }
+              }
+              aSmeshActor->SetEntityMode( aEntityMode );
             }
             // Colors
             else if (paramNameStr == "Colors") {
               QStringList colors = val.split(gDigitsSep, QString::SkipEmptyParts);
-	      QColor nodeColor;
-	      QColor edgeColor;
-	      QColor faceColor;
-	      QColor volumeColor;
-	      QColor elem0dColor;
-	      QColor ballColor;
-	      QColor outlineColor;
-	      QColor orientationColor;
-	      int deltaF;
-	      int deltaV;
-	      QColor c;
-	      double r, g, b;
-	      bool bOk;
-	      // below lines are required to get default values for delta coefficients
-	      // of backface color for faces and color of reversed volumes
-	      SMESH::GetColor( "SMESH", "fill_color",   c, deltaF, "0,170,255|-100" );
-	      SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100" );
-	      for ( int i = 0; i < colors.count(); i++ ) {
-		QString type = colors[i];
-		if ( type == "surface" ) {
-		  // face color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  faceColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "backsurface" ) {
-		  // backface color can be defined in several ways
-		  // - in old versions, it is set as rgb triple r:g:b - this was is unsupported now
-		  // - in latest versions, it is set as delta coefficient
-		  bool rgbOk = false, deltaOk;
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  int delta = colors[i+1].toInt( &deltaOk );
-		  i++;                                 // shift index
-		  if ( i+1 < colors.count() )          // index is shifted to 1
-		    g = colors[i+1].toDouble( &rgbOk );
-		  if ( rgbOk ) i++;                    // shift index
-		  if ( rgbOk && i+1 < colors.count() ) // index is shifted to 2
-		    b = colors[i+1].toDouble( &rgbOk );
-		  if ( rgbOk ) i++;
-		  // - as currently there's no way to set directly backsurface color as it was before,
-		  // we ignore old dump where r,g,b triple was set
-		  // - also we check that delta parameter is set properly
-		  if ( !rgbOk && deltaOk )
-		    deltaF = delta;
-		}
-		else if ( type == "volume" ) {
-		  // volume color is set by 4 values r:g:b:delta, where
-		  // - r,g,b - is a normal volume rgb color components
-		  // - delta - is a reversed volume color delta coefficient
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+4 >= colors.count() ) break;                  // format error
-		  int delta = colors[i+4].toInt( &bOk );
+              QColor nodeColor;
+              QColor edgeColor;
+              QColor faceColor;
+              QColor volumeColor;
+              QColor elem0dColor;
+              QColor ballColor;
+              QColor outlineColor;
+              QColor orientationColor;
+              int deltaF;
+              int deltaV;
+              QColor c;
+              double r, g, b;
+              bool bOk;
+              // below lines are required to get default values for delta coefficients
+              // of backface color for faces and color of reversed volumes
+              SMESH::GetColor( "SMESH", "fill_color",   c, deltaF, "0,170,255|-100" );
+              SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100" );
+              for ( int i = 0; i < colors.count(); i++ ) {
+                QString type = colors[i];
+                if ( type == "surface" ) {
+                  // face color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  faceColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "backsurface" ) {
+                  // backface color can be defined in several ways
+                  // - in old versions, it is set as rgb triple r:g:b - this was is unsupported now
+                  // - in latest versions, it is set as delta coefficient
+                  bool rgbOk = false, deltaOk;
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  int delta = colors[i+1].toInt( &deltaOk );
+                  i++;                                 // shift index
+                  if ( i+1 < colors.count() )          // index is shifted to 1
+                    g = colors[i+1].toDouble( &rgbOk );
+                  if ( rgbOk ) i++;                    // shift index
+                  if ( rgbOk && i+1 < colors.count() ) // index is shifted to 2
+                    b = colors[i+1].toDouble( &rgbOk );
+                  if ( rgbOk ) i++;
+                  // - as currently there's no way to set directly backsurface color as it was before,
+                  // we ignore old dump where r,g,b triple was set
+                  // - also we check that delta parameter is set properly
+                  if ( !rgbOk && deltaOk )
+                    deltaF = delta;
+                }
+                else if ( type == "volume" ) {
+                  // volume color is set by 4 values r:g:b:delta, where
+                  // - r,g,b - is a normal volume rgb color components
+                  // - delta - is a reversed volume color delta coefficient
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+4 >= colors.count() ) break;                  // format error
+                  int delta = colors[i+4].toInt( &bOk );
                   if ( !bOk ) break;                                   // format error
-		  volumeColor.setRgbF( r, g, b );
-		  deltaV = delta;
-		  i += 4;
-		}
-		else if ( type == "edge" ) {
-		  // edge color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  edgeColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "node" ) {
-		  // node color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  nodeColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "elem0d" ) {
-		  // 0d element color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  elem0dColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "ball" ) {
-		  // ball color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  ballColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "outline" ) {
-		  // outline color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  outlineColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-		else if ( type == "orientation" ) {
-		  // orientation color is set by 3 values r:g:b, where
-		  // - r,g,b - is rgb color components
-		  if ( i+1 >= colors.count() ) break;                  // format error
-		  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= colors.count() ) break;                  // format error
-		  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+3 >= colors.count() ) break;                  // format error
-		  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  orientationColor.setRgbF( r, g, b );
-		  i += 3;
-		}
-	      }
-	      // node color
-	      if ( nodeColor.isValid() )
-		aSmeshActor->SetNodeColor( nodeColor.redF(), nodeColor.greenF(), nodeColor.blueF() );
-	      // edge color
-	      if ( edgeColor.isValid() )
-		aSmeshActor->SetEdgeColor( edgeColor.redF(), edgeColor.greenF(), edgeColor.blueF() );
-	      // face color
-	      if ( faceColor.isValid() )
-		aSmeshActor->SetSufaceColor( faceColor.redF(), faceColor.greenF(), faceColor.blueF(), deltaF );
-	      // volume color
-	      if ( volumeColor.isValid() )
-		aSmeshActor->SetVolumeColor( volumeColor.redF(), volumeColor.greenF(), volumeColor.blueF(), deltaV );
-	      else if ( faceColor.isValid() ) // backward compatibility (no separate color for volumes)
-		aSmeshActor->SetVolumeColor( faceColor.redF(), faceColor.greenF(), faceColor.blueF(), deltaF );
-	      // 0d element color
-	      if ( elem0dColor.isValid() )
-		aSmeshActor->Set0DColor( elem0dColor.redF(), elem0dColor.greenF(), elem0dColor.blueF() );
-	      // ball color
-	      if ( ballColor.isValid() )
-		aSmeshActor->SetBallColor( ballColor.redF(), ballColor.greenF(), ballColor.blueF() );
-	      // outline color
-	      if ( outlineColor.isValid() )
-		aSmeshActor->SetOutlineColor( outlineColor.redF(), outlineColor.greenF(), outlineColor.blueF() );
-	      // orientation color
-	      if ( orientationColor.isValid() )
-		aSmeshActor->SetFacesOrientationColor( orientationColor.redF(), orientationColor.greenF(), orientationColor.blueF() );
+                  volumeColor.setRgbF( r, g, b );
+                  deltaV = delta;
+                  i += 4;
+                }
+                else if ( type == "edge" ) {
+                  // edge color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  edgeColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "node" ) {
+                  // node color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  nodeColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "elem0d" ) {
+                  // 0d element color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  elem0dColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "ball" ) {
+                  // ball color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  ballColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "outline" ) {
+                  // outline color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  outlineColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+                else if ( type == "orientation" ) {
+                  // orientation color is set by 3 values r:g:b, where
+                  // - r,g,b - is rgb color components
+                  if ( i+1 >= colors.count() ) break;                  // format error
+                  r = colors[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= colors.count() ) break;                  // format error
+                  g = colors[i+2].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+3 >= colors.count() ) break;                  // format error
+                  b = colors[i+3].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  orientationColor.setRgbF( r, g, b );
+                  i += 3;
+                }
+              }
+              // node color
+              if ( nodeColor.isValid() )
+                aSmeshActor->SetNodeColor( nodeColor.redF(), nodeColor.greenF(), nodeColor.blueF() );
+              // edge color
+              if ( edgeColor.isValid() )
+                aSmeshActor->SetEdgeColor( edgeColor.redF(), edgeColor.greenF(), edgeColor.blueF() );
+              // face color
+              if ( faceColor.isValid() )
+                aSmeshActor->SetSufaceColor( faceColor.redF(), faceColor.greenF(), faceColor.blueF(), deltaF );
+              // volume color
+              if ( volumeColor.isValid() )
+                aSmeshActor->SetVolumeColor( volumeColor.redF(), volumeColor.greenF(), volumeColor.blueF(), deltaV );
+              else if ( faceColor.isValid() ) // backward compatibility (no separate color for volumes)
+                aSmeshActor->SetVolumeColor( faceColor.redF(), faceColor.greenF(), faceColor.blueF(), deltaF );
+              // 0d element color
+              if ( elem0dColor.isValid() )
+                aSmeshActor->Set0DColor( elem0dColor.redF(), elem0dColor.greenF(), elem0dColor.blueF() );
+              // ball color
+              if ( ballColor.isValid() )
+                aSmeshActor->SetBallColor( ballColor.redF(), ballColor.greenF(), ballColor.blueF() );
+              // outline color
+              if ( outlineColor.isValid() )
+                aSmeshActor->SetOutlineColor( outlineColor.redF(), outlineColor.greenF(), outlineColor.blueF() );
+              // orientation color
+              if ( orientationColor.isValid() )
+                aSmeshActor->SetFacesOrientationColor( orientationColor.redF(), orientationColor.greenF(), orientationColor.blueF() );
             }
             // Sizes
             else if (paramNameStr == "Sizes") {
               QStringList sizes = val.split(gDigitsSep, QString::SkipEmptyParts);
-	      bool bOk;
-	      int lineWidth = -1;
-	      int outlineWidth = -1;
-	      int elem0dSize = -1;
-	      int ballSize = -1;
-	      double shrinkSize = -1;
-	      double orientationSize = -1;
-	      bool orientation3d = false;
-	      for ( int i = 0; i < sizes.count(); i++ ) {
-		QString type = sizes[i];
-		if ( type == "line" ) {
-		  // line (wireframe) width is given as single integer value
-		  if ( i+1 >= sizes.count() ) break;                    // format error
-		  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
-		  lineWidth = v;
-		  i++;
-		}
-		if ( type == "outline" ) {
-		  // outline width is given as single integer value
-		  if ( i+1 >= sizes.count() ) break;                    // format error
-		  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
-		  outlineWidth = v;
-		  i++;
-		}
-		else if ( type == "elem0d" ) {
-		  // 0d element size is given as single integer value
-		  if ( i+1 >= sizes.count() ) break;                    // format error
-		  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
-		  elem0dSize = v;
-		  i++;
-		}
-		else if ( type == "ball" ) {
-		  // ball size is given as single integer value
-		  if ( i+1 >= sizes.count() ) break;                    // format error
-		  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
-		  ballSize = v;
-		  i++;
-		}
-		else if ( type == "shrink" ) {
-		  // shrink factor is given as single floating point value
-		  if ( i+1 >= sizes.count() ) break;                          // format error
-		  double v = sizes[i+1].toDouble( &bOk ); if ( !bOk ) break;  // format error
-		  shrinkSize = v;
-		  i++;
-		}
-		else if ( type == "orientation" ) {
-		  // orientation vectors are specified by two values size:3d, where
-		  // - size - is a floating point value specifying scale factor
-		  // - 3d - is a boolean
-		  if ( i+1 >= sizes.count() ) break;                          // format error
-		  double v1 = sizes[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
-		  if ( i+2 >= sizes.count() ) break;                          // format error
-		  int v2 = sizes[i+2].toInt( &bOk ); if ( !bOk ) break;       // format error
-		  orientationSize = v1;
-		  orientation3d = (bool)v2;
-		  i += 2;
-		}
-	      }
-	      // line (wireframe) width
-	      if ( lineWidth > 0 )
-		aSmeshActor->SetLineWidth( lineWidth );
-	      // outline width
-	      if ( outlineWidth > 0 )
-		aSmeshActor->SetOutlineWidth( outlineWidth );
-	      else if ( lineWidth > 0 ) // backward compatibility (no separate width for outlines)
-		aSmeshActor->SetOutlineWidth( lineWidth );
-	      // 0d element size
-	      if ( elem0dSize > 0 )
-		aSmeshActor->Set0DSize( elem0dSize );
-	      // ball size
-	      if ( ballSize > 0 )
-		aSmeshActor->SetBallSize( ballSize );
-	      // shrink factor
-	      if ( shrinkSize > 0 )
-		aSmeshActor->SetShrinkFactor( shrinkSize );
-	      // orientation vectors
-	      if ( orientationSize > 0 ) {
-		aSmeshActor->SetFacesOrientationScale( orientationSize );
-		aSmeshActor->SetFacesOrientation3DVectors( orientation3d );
-	      }
+              bool bOk;
+              int lineWidth = -1;
+              int outlineWidth = -1;
+              int elem0dSize = -1;
+              int ballSize = -1;
+              double shrinkSize = -1;
+              double orientationSize = -1;
+              bool orientation3d = false;
+              for ( int i = 0; i < sizes.count(); i++ ) {
+                QString type = sizes[i];
+                if ( type == "line" ) {
+                  // line (wireframe) width is given as single integer value
+                  if ( i+1 >= sizes.count() ) break;                    // format error
+                  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
+                  lineWidth = v;
+                  i++;
+                }
+                if ( type == "outline" ) {
+                  // outline width is given as single integer value
+                  if ( i+1 >= sizes.count() ) break;                    // format error
+                  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
+                  outlineWidth = v;
+                  i++;
+                }
+                else if ( type == "elem0d" ) {
+                  // 0d element size is given as single integer value
+                  if ( i+1 >= sizes.count() ) break;                    // format error
+                  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
+                  elem0dSize = v;
+                  i++;
+                }
+                else if ( type == "ball" ) {
+                  // ball size is given as single integer value
+                  if ( i+1 >= sizes.count() ) break;                    // format error
+                  int v = sizes[i+1].toInt( &bOk ); if ( !bOk ) break;  // format error
+                  ballSize = v;
+                  i++;
+                }
+                else if ( type == "shrink" ) {
+                  // shrink factor is given as single floating point value
+                  if ( i+1 >= sizes.count() ) break;                          // format error
+                  double v = sizes[i+1].toDouble( &bOk ); if ( !bOk ) break;  // format error
+                  shrinkSize = v;
+                  i++;
+                }
+                else if ( type == "orientation" ) {
+                  // orientation vectors are specified by two values size:3d, where
+                  // - size - is a floating point value specifying scale factor
+                  // - 3d - is a boolean
+                  if ( i+1 >= sizes.count() ) break;                          // format error
+                  double v1 = sizes[i+1].toDouble( &bOk ); if ( !bOk ) break; // format error
+                  if ( i+2 >= sizes.count() ) break;                          // format error
+                  int v2 = sizes[i+2].toInt( &bOk ); if ( !bOk ) break;       // format error
+                  orientationSize = v1;
+                  orientation3d = (bool)v2;
+                  i += 2;
+                }
+              }
+              // line (wireframe) width
+              if ( lineWidth > 0 )
+                aSmeshActor->SetLineWidth( lineWidth );
+              // outline width
+              if ( outlineWidth > 0 )
+                aSmeshActor->SetOutlineWidth( outlineWidth );
+              else if ( lineWidth > 0 ) // backward compatibility (no separate width for outlines)
+                aSmeshActor->SetOutlineWidth( lineWidth );
+              // 0d element size
+              if ( elem0dSize > 0 )
+                aSmeshActor->Set0DSize( elem0dSize );
+              // ball size
+              if ( ballSize > 0 )
+                aSmeshActor->SetBallSize( ballSize );
+              // shrink factor
+              if ( shrinkSize > 0 )
+                aSmeshActor->SetShrinkFactor( shrinkSize );
+              // orientation vectors
+              if ( orientationSize > 0 ) {
+                aSmeshActor->SetFacesOrientationScale( orientationSize );
+                aSmeshActor->SetFacesOrientation3DVectors( orientation3d );
+              }
             }
             // Point marker
             else if (paramNameStr == "PointMarker") {

src/SMESHGUI/SMESHGUI_Add0DElemsOnAllNodesDlg.cxx

@@ -0,0 +1,495 @@
+// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH SMESHGUI : GUI for SMESH component
+// File      : SMESHGUI_Add0DElemsOnAllNodesDlg.cxx
+// Created   : Fri Oct 19 15:51:24 2012
+// Author    : Edward AGAPOV (eap)
+
+#include "SMESHGUI_Add0DElemsOnAllNodesDlg.h"
+
+#include "SMESHGUI.h"
+#include "SMESHGUI_FilterDlg.h"
+#include "SMESHGUI_MeshUtils.h"
+#include "SMESHGUI_Utils.h"
+#include "SMESHGUI_VTKUtils.h"
+#include "SMESH_LogicalFilter.hxx"
+#include "SMESH_TypeFilter.hxx"
+
+#include <LightApp_SelectionMgr.h>
+#include <SALOME_ListIO.hxx>
+#include <SUIT_MessageBox.h>
+#include <SVTK_Selector.h>
+#include <SalomeApp_Tools.h>
+
+// Qt includes
+#include <QButtonGroup>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QFrame>
+#include <QGridLayout>
+#include <QGroupBox>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QRadioButton>
+
+#include <SALOMEconfig.h>
+#include CORBA_SERVER_HEADER(SMESH_Mesh)
+#include CORBA_SERVER_HEADER(SMESH_MeshEditor)
+
+#define SPACING 6
+#define MARGIN  11
+
+enum { SEL_OBJECT, SEL_ELEMENTS, SEL_NODES };
+
+//================================================================================
+/*!
+ * \brief Dialog Constructor
+ */
+//================================================================================
+
+SMESHGUI_Add0DElemsOnAllNodesDlg::SMESHGUI_Add0DElemsOnAllNodesDlg()
+  : SMESHGUI_Dialog( 0, false, true ),
+    myIDValidator( this )
+{
+  setWindowTitle( tr( "CAPTION" ) );
+
+  // Seletction type radio buttons
+
+  QGroupBox* selTypeGrBox = new QGroupBox( mainFrame() );
+  //
+  QRadioButton*    objBtn = new QRadioButton( tr( "SMESH_SUBMESH_GROUP"),selTypeGrBox );
+  QRadioButton*   elemBtn = new QRadioButton( tr( "SMESH_ELEMENTS" ),selTypeGrBox );
+  QRadioButton*   nodeBtn = new QRadioButton( tr( "SMESH_NODES" ),selTypeGrBox );
+  //
+  QHBoxLayout* selTypeLay = new QHBoxLayout( selTypeGrBox );
+  selTypeLay->setMargin(MARGIN);
+  selTypeLay->setSpacing(SPACING);
+  selTypeLay->addWidget( objBtn  );
+  selTypeLay->addWidget( elemBtn );
+  selTypeLay->addWidget( nodeBtn );
+  objBtn->setChecked(true);
+  //
+  mySelTypeBtnGrp         = new QButtonGroup( mainFrame() );
+  mySelTypeBtnGrp->addButton( objBtn , SEL_OBJECT );
+  mySelTypeBtnGrp->addButton( elemBtn, SEL_ELEMENTS );
+  mySelTypeBtnGrp->addButton( nodeBtn, SEL_NODES );
+
+  // Label, Select Btn, LineEdit, Filter Btn
+
+  setObjectPixmap( "SMESH", tr( "ICON_SELECT" ) );
+  createObject( tr( "SMESH_NAME" ), mainFrame(), 0 );
+
+  myFilterBtn = new QPushButton( tr( "SMESH_BUT_FILTER" ), mainFrame() );
+
+  // List of groups
+
+  myGroupBox = new QGroupBox( tr( "SMESH_ADD_TO_GROUP" ), mainFrame() );
+  myGroupBox->setCheckable( true );
+
+  myGroupLabel = new QLabel( tr( "SMESH_GROUP" ), myGroupBox );
+  myGroupListCmBox = new QComboBox( myGroupBox );
+  myGroupListCmBox->setEditable( true );
+  myGroupListCmBox->setInsertPolicy( QComboBox::NoInsert );
+
+  QHBoxLayout* groupsLayout = new QHBoxLayout( myGroupBox );
+  groupsLayout->setSpacing(SPACING);
+  groupsLayout->setMargin(MARGIN);
+  groupsLayout->addWidget( myGroupLabel );
+  groupsLayout->addWidget( myGroupListCmBox, 1 );
+
+  // Main layout
+
+  QGridLayout* aLay = new QGridLayout( mainFrame() );
+  aLay->setMargin(MARGIN);
+  aLay->setSpacing(SPACING);
+  //
+  aLay->addWidget( selTypeGrBox,          0, 0, 1, 5  );
+  //
+  aLay->addWidget( objectWg( 0, Label  ), 1, 0 );
+  aLay->addWidget( objectWg( 0, Btn    ), 1, 1 );
+  aLay->addWidget( objectWg( 0, Control), 1, 2, 1, 2 );
+  aLay->addWidget( myFilterBtn,           1, 4 );
+  //
+  aLay->addWidget( myGroupBox,            2, 0, 1, 5 );
+
+  // Signals
+
+  connect( myGroupBox,      SIGNAL( toggled( bool )),     SLOT( onGroupChecked() ));
+  connect( mySelTypeBtnGrp, SIGNAL( buttonClicked(int) ), SLOT( onSelTypeChange(int)));
+
+  onSelTypeChange( SEL_OBJECT );
+}
+
+//================================================================================
+/*!
+ * \brief SLOT to enable/disable groups
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesDlg::onGroupChecked( bool on )
+{
+  myGroupLabel->setEnabled( on );
+  myGroupListCmBox->setEnabled( on );
+}
+
+//================================================================================
+/*!
+ * \brief SLOT to enable/disable groups
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesDlg::onSelTypeChange( int selType )
+{
+  setNameIndication( 0, selType == SEL_OBJECT ? OneName : ListOfNames );
+  setReadOnly      ( 0, selType == SEL_OBJECT );
+
+  QLabel* label = qobject_cast< QLabel* >( objectWg(0, Label ));
+  switch( selType ) {
+  case SEL_OBJECT:   label->setText( tr("SMESH_NAME")); break;
+  case SEL_ELEMENTS: label->setText( tr("ELEMENT_IDS")); break;
+  case SEL_NODES:    label->setText( tr("NODE_IDS")); break;
+  default:;
+  }
+  QLineEdit* lineEdit = qobject_cast< QLineEdit* >( objectWg(0, Control ));
+  lineEdit->setText("");
+  lineEdit->setValidator( selType == SEL_OBJECT ? 0 : & myIDValidator );
+
+  myFilterBtn->setEnabled( selType != SEL_OBJECT );
+
+  emit selTypeChanged( selType );
+}
+
+//================================================================================
+/*!
+ * \brief Return type of selected object: [SEL_OBJECT, SEL_ELEMENTS, SEL_NODES]
+ */
+//================================================================================
+
+int SMESHGUI_Add0DElemsOnAllNodesDlg::getSelectionType() const
+{
+  return mySelTypeBtnGrp->checkedId();
+}
+
+//================================================================================
+/*!
+ * \brief Checks consistency of data
+ */
+//================================================================================
+
+bool SMESHGUI_Add0DElemsOnAllNodesDlg::isValid()
+{
+  if( myGroupBox->isChecked() && myGroupListCmBox->currentText().isEmpty() ) {
+    SUIT_MessageBox::warning( this, tr( "SMESH_WRN_WARNING" ), tr( "GROUP_NAME_IS_EMPTY" ) );
+    return false;
+  }
+  return true;
+}
+
+//================================================================================
+/*!
+ * \brief Operation Constructor
+ */
+//================================================================================
+
+SMESHGUI_Add0DElemsOnAllNodesOp::SMESHGUI_Add0DElemsOnAllNodesOp()
+  :SMESHGUI_SelectionOp(),
+   myDlg( new SMESHGUI_Add0DElemsOnAllNodesDlg ),
+   myFilterDlg( 0 )
+{
+  myHelpFileName = "adding_nodes_and_elements_page.html#adding_0delems_on_all_nodes_anchor";
+
+  connect( myDlg,              SIGNAL( selTypeChanged(int) ), SLOT( onSelTypeChange(int)));
+  connect( myDlg->myFilterBtn, SIGNAL( clicked()),            SLOT( onSetFilter() ));
+}
+
+//================================================================================
+/*!
+ * \brief Destructor
+ */
+//================================================================================
+
+SMESHGUI_Add0DElemsOnAllNodesOp::~SMESHGUI_Add0DElemsOnAllNodesOp()
+{
+  if ( myFilterDlg ) {
+    myFilterDlg->setParent( 0 );
+    delete myFilterDlg;
+    myFilterDlg = 0;
+  }
+}
+
+//================================================================================
+/*!
+ * \brief Start
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesOp::startOperation()
+{
+  SMESHGUI_SelectionOp::startOperation();
+
+  myDlg->myGroupBox->setChecked( false );
+  myDlg->activateObject( 0 );
+  myDlg->show();
+
+  selectionDone();
+}
+
+//================================================================================
+/*!
+ * \brief Treat changed selection
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesOp::selectionDone()
+{
+  if (myFilterDlg && myFilterDlg->isVisible()) return; // filter dgl active
+  if (!myDlg->myGroupBox->isEnabled())         return; // inactive
+
+  myIO.Nullify();
+  myDlg->setObjectText( 0, "");
+
+  SALOME_ListIO aList;
+  selectionMgr()->selectedObjects( aList );
+  if ( aList.Extent() == 1 )
+    myIO = aList.First();
+  else
+    return;
+
+  QString ids;
+  switch ( myDlg->getSelectionType() ) {
+  case SEL_OBJECT:
+    SMESHGUI_SelectionOp::selectionDone();
+    break;
+  case SEL_ELEMENTS:
+    SMESH::GetNameOfSelectedElements( selector(), myIO, ids );
+    myDlg->setObjectText( 0, ids );
+    break;
+  case SEL_NODES:
+    SMESH::GetNameOfSelectedNodes( selector(), myIO, ids );
+    myDlg->setObjectText( 0, ids );
+    break;
+  default:;
+  }
+
+  // fill the list of existing groups
+  myDlg->myGroupListCmBox->clear();
+  myDlg->myGroupListCmBox->addItem( QString() );
+  if ( !myIO.IsNull() && myIO->hasEntry()) {
+    _PTR(Study) aStudy = SMESH::GetActiveStudyDocument();
+    _PTR(SObject) meshSO = aStudy->FindObjectID( myIO->getEntry() );
+    _PTR(SObject) group0DRoot;
+    if ( meshSO->FindSubObject( SMESH::Tag_0DElementsGroups, group0DRoot ))
+    {
+      _PTR(ChildIterator) group0DIter = aStudy->NewChildIterator( group0DRoot );
+      for ( ; group0DIter->More(); group0DIter->Next() )
+      {
+        _PTR(SObject) groupSO = group0DIter->Value();
+        std::string groupName = groupSO->GetName();
+        if ( !groupName.empty() )
+          myDlg->myGroupListCmBox->addItem( groupName.c_str() );
+      }
+    }
+  }
+}
+
+//================================================================================
+/*!
+ * \brief Return a filter of objects
+ */
+//================================================================================
+
+SUIT_SelectionFilter* SMESHGUI_Add0DElemsOnAllNodesOp::createFilter( const int ) const
+{
+  if ( myDlg->getSelectionType() == SEL_OBJECT )
+  {
+    // Create a filter of objects: any IDSource except the group of 0D elements
+
+    QList<SUIT_SelectionFilter*> filters;
+    filters.push_back( new SMESH_TypeFilter( SMESH::GROUP_0D ));
+    SMESH_LogicalFilter* not0DGroup = new SMESH_LogicalFilter( filters,
+                                                               SMESH_LogicalFilter::LO_NOT,
+                                                               /*takeOwnership=*/true);
+    filters[0] = not0DGroup;
+    filters.push_back( new SMESH_TypeFilter( SMESH::IDSOURCE ));
+    return new SMESH_LogicalFilter( filters,
+                                    SMESH_LogicalFilter::LO_AND,
+                                    /*takeOwnership=*/true);
+  }
+  return 0;
+}
+
+//================================================================================
+/*!
+ * \brief Makes its main job
+ */
+//================================================================================
+
+bool SMESHGUI_Add0DElemsOnAllNodesOp::onApply()
+{
+  if ( !myDlg->isValid() )
+    return false;
+
+  // get a mesh
+  SMESH::SMESH_IDSource_var meshObject;
+  SMESH::SMESH_Mesh_var     mesh;
+  if ( !myIO.IsNull() )
+  {
+    CORBA::Object_var obj = SMESH::IObjectToObject( myIO );
+    meshObject = SMESH::SMESH_IDSource::_narrow( obj );
+    if ( !meshObject->_is_nil() )
+      mesh = meshObject->GetMesh();
+  }
+  if ( mesh->_is_nil() )
+  {
+    SUIT_MessageBox::warning( myDlg, tr( "SMESH_WRN_WARNING" ), tr( "SMESH_BAD_SELECTION" ) );
+    return false;
+  }
+
+  try {
+    SMESH::SMESH_MeshEditor_var editor = mesh->GetMeshEditor();
+
+    // make SMESH_IDSource holding IDs of selected elements
+    if ( myDlg->getSelectionType() != SEL_OBJECT )
+    {
+      QString elemIDs = myDlg->objectText( 0 );
+      QStringList idList = elemIDs.split( " ", QString::SkipEmptyParts );
+      if ( idList.count() == 0 )
+      {
+        SUIT_MessageBox::warning( myDlg, tr( "SMESH_WRN_WARNING" ), tr( "SMESH_BAD_SELECTION" ) );
+        return false;
+      }
+      SMESH::long_array_var idArray = new SMESH::long_array;
+      idArray->length( idList.count() );
+      QStringList::iterator idIt = idList.begin();
+      for ( int i = 0; idIt != idList.end(); ++idIt, ++i )
+        idArray[i] = idIt->toLong();
+      SMESH::ElementType elemType =
+        myDlg->getSelectionType() == SEL_NODES ? SMESH::NODE : SMESH::ALL;
+      meshObject = editor->MakeIDSource( idArray, elemType );
+    }
+
+    // Create 0D elements
+
+    int prevNb0D = mesh->Nb0DElements();
+
+    QString groupName = myDlg->myGroupListCmBox->currentText();
+    SMESH::SMESH_IDSource_var newObj =
+      editor->Create0DElementsOnAllNodes( meshObject, groupName.toLatin1().data() );
+
+    int newNb0D = mesh->Nb0DElements() - prevNb0D;
+    SUIT_MessageBox::information( myDlg, tr( "SMESH_INFORMATION" ),
+                                  tr( "NB_NEW_0D" ).arg( newNb0D ),
+                                  SUIT_MessageBox::Ok, SUIT_MessageBox::Ok);
+  }
+  catch ( const SALOME::SALOME_Exception& S_ex ) {
+    SalomeApp_Tools::QtCatchCorbaException( S_ex );
+    return false;
+  }
+  catch (...) {
+    return false;
+  }
+
+  // clear selection
+
+  if ( myDlg->getSelectionType() == SEL_OBJECT )
+  {
+    SALOME_ListIO aList;
+    selectionMgr()->setSelectedObjects( aList, /*append=*/false );
+  }
+  else
+  {
+    selector()->ClearIndex();
+  }
+  selectionDone();
+
+  SMESH::UpdateView();
+  SMESHGUI::Modified();
+
+  if ( myDlg->myGroupBox->isChecked() )
+    SMESHGUI::GetSMESHGUI()->updateObjBrowser();
+
+  return true;
+}
+
+//================================================================================
+/*!
+ * \brief Sets selection mode
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesOp::onSelTypeChange(int selType)
+{
+  switch ( selType ) {
+  case SEL_OBJECT:   setSelectionMode( ActorSelection ); break;
+  case SEL_ELEMENTS: setSelectionMode( CellSelection );  break;
+  case SEL_NODES:    setSelectionMode( NodeSelection );  break;
+  }
+
+  if ( selType != SEL_OBJECT )
+    connect( myDlg, SIGNAL( objectChanged( int, const QStringList& )),
+             this,  SLOT  ( onTextChanged( int, const QStringList& )));
+  else
+    disconnect( myDlg, SIGNAL( objectChanged( int, const QStringList& )),
+                this,  SLOT  ( onTextChanged( int, const QStringList& )));
+
+  selectionDone();
+}
+
+//================================================================================
+/*!
+ * \brief Install 
+ * 
+ * 
+ */
+//================================================================================
+
+void SMESHGUI_Add0DElemsOnAllNodesOp::onSetFilter()
+{
+  SMESH::SMESH_Mesh_var mesh = SMESH::GetMeshByIO( myIO );
+  if ( mesh->_is_nil()) {
+    SUIT_MessageBox::critical( myDlg, tr("SMESH_ERROR"), tr("NO_MESH_SELECTED"));
+    return;
+  }
+  QList<int> types;
+  if ( myDlg->getSelectionType() == SEL_NODES ) {
+    types.push_back( SMESH::NODE );
+  }
+  else if ( myDlg->getSelectionType() == SEL_ELEMENTS ) {
+    types.push_back( SMESH::EDGE );
+    types.push_back( SMESH::FACE );
+    types.push_back( SMESH::VOLUME );
+  }
+  else
+    return;
+  if ( !myFilterDlg )
+    myFilterDlg = new SMESHGUI_FilterDlg( getSMESHGUI(), SMESH::ALL );
+
+  myFilterDlg->Init( types );
+  myFilterDlg->SetSelection();
+  myFilterDlg->SetMesh( mesh );
+  myFilterDlg->SetSourceWg( myDlg->objectWg( 0, LightApp_Dialog::Control ));
+
+  myFilterDlg->show();
+}

src/SMESHGUI/SMESHGUI_Add0DElemsOnAllNodesDlg.h

@@ -0,0 +1,110 @@
+// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH SMESHGUI : GUI for SMESH component
+
+#ifndef SMESHGUI_ADD0DELEMSONALLNODESDLG_H
+#define SMESHGUI_ADD0DELEMSONALLNODESDLG_H
+
+#include "SMESH_SMESHGUI.hxx"
+
+#include "SMESHGUI_SelectionOp.h"
+#include "SMESHGUI_Dialog.h"
+#include "SMESHGUI_IdValidator.h"
+
+class SMESHGUI_FilterDlg;
+class SMESHGUI_Add0DElemsOnAllNodesOp;
+class QButtonGroup;
+class QPushButton;
+class QGroupBox;
+class QLabel;
+class QComboBox;
+
+//---------------------------------------------------------------------------------
+/*!
+ * \brief Dialog creating 0D elements on all nodes of given elements
+ */
+class SMESHGUI_EXPORT SMESHGUI_Add0DElemsOnAllNodesDlg : public SMESHGUI_Dialog
+{ 
+  Q_OBJECT
+
+ public:
+  SMESHGUI_Add0DElemsOnAllNodesDlg();
+
+  int                            getSelectionType() const;
+  bool                           isValid();
+
+signals:
+
+  void                           selTypeChanged( int selType );
+
+
+ private slots:
+
+  void                           onGroupChecked ( bool on );
+  void                           onSelTypeChange( int selType );
+
+ private:
+
+  friend class SMESHGUI_Add0DElemsOnAllNodesOp;
+
+  QButtonGroup* mySelTypeBtnGrp;
+  QPushButton*  myFilterBtn;
+  QGroupBox*    myGroupBox;
+  QLabel*       myGroupLabel;
+  QComboBox*    myGroupListCmBox;
+
+  SMESHGUI_IdValidator myIDValidator;
+};
+
+//---------------------------------------------------------------------------------
+/*!
+ * \brief Operation creating 0D elements on all nodes of given elements
+ */
+class SMESHGUI_EXPORT SMESHGUI_Add0DElemsOnAllNodesOp : public SMESHGUI_SelectionOp
+{
+  Q_OBJECT
+
+ public:
+  SMESHGUI_Add0DElemsOnAllNodesOp();
+  ~SMESHGUI_Add0DElemsOnAllNodesOp();
+
+  virtual LightApp_Dialog*       dlg() const { return myDlg; }
+  
+ protected:
+  virtual void                   startOperation();
+  virtual void                   selectionDone();
+  virtual SUIT_SelectionFilter*  createFilter( const int ) const;
+
+ protected slots:
+  virtual bool                   onApply();
+  void                           onSelTypeChange(int);
+  void                           onSetFilter();
+
+ private:
+  SMESHGUI_Add0DElemsOnAllNodesDlg* myDlg;
+  SMESHGUI_FilterDlg*               myFilterDlg;
+  Handle(SALOME_InteractiveObject)  myIO;
+  //SUIT_SelectionFilter*             myObjectFilter;
+};
+
+#endif

src/SMESHGUI/SMESHGUI_ClippingDlg.cxx

@@ -742,14 +742,8 @@ void SMESHGUI_ClippingDlg::updateActorItem( QListWidgetItem* theItem,
         if( anItem->checkState() == Qt::Checked )
           aNbChecked++;
 
-    Qt::CheckState aCheckState = Qt::Unchecked;
-    if( aNbChecked == aNbItems )
-      aCheckState = Qt::Checked;
-    else if( aNbChecked > 0 )
-      aCheckState = Qt::PartiallyChecked;
-
     bool anIsBlocked = SelectAllCheckBox->blockSignals( true );
-    SelectAllCheckBox->setCheckState( aCheckState );
+    SelectAllCheckBox->setCheckState( aNbChecked == aNbItems ? Qt::Checked : Qt::Unchecked);
     SelectAllCheckBox->blockSignals( anIsBlocked );
   }
 

src/SMESHGUI/SMESHGUI_DeleteGroupDlg.cxx

@@ -210,7 +210,7 @@ bool SMESHGUI_DeleteGroupDlg::onApply()
 
   QList<SMESH::SMESH_GroupBase_var>::iterator anIter;
   for (anIter = myListGrp.begin(); anIter != myListGrp.end(); ++anIter) {
-    SMESH::SMESH_Mesh_ptr aMesh = (*anIter)->GetMesh();
+    SMESH::SMESH_Mesh_var aMesh = (*anIter)->GetMesh();
     if (!aMesh->_is_nil())
       aMesh->RemoveGroupWithContents(*anIter);
   }
@@ -218,6 +218,12 @@ bool SMESHGUI_DeleteGroupDlg::onApply()
   myListBox->clear();
   myListGrp.clear();
   mySelectionMgr->clearSelected();
+
+  /** Erase graphical objects **/
+  SALOME_ListIteratorOfListIO anIterIO (myListGrpIO);
+  for ( ; anIterIO.More(); anIterIO.Next())
+    SMESH::RemoveVisualObjectWithActors( anIterIO.Value()->getEntry(), /*fromAllViews=*/true );
+
   SMESH::UpdateView();
   SMESHGUI::Modified();
   mySMESHGUI->updateObjBrowser(true);
@@ -285,6 +291,7 @@ void SMESHGUI_DeleteGroupDlg::onSelectionDone()
     return;
 
   myListGrp.clear();
+  myListGrpIO.Clear();
   QStringList aNames;
 
   SALOME_ListIO aListIO;
@@ -296,6 +303,7 @@ void SMESHGUI_DeleteGroupDlg::onSelectionDone()
     if (!aGroup->_is_nil()) {
       aNames.append(aGroup->GetName());
       myListGrp.append(aGroup);
+      myListGrpIO.Append( anIter.Value() );
     }
   }
 

src/SMESHGUI/SMESHGUI_DeleteGroupDlg.h

@@ -29,6 +29,8 @@
 // SMESH includes
 #include "SMESH_SMESHGUI.hxx"
 
+#include <SALOME_ListIO.hxx>
+
 // Qt includes
 #include <QDialog>
 
@@ -86,6 +88,7 @@ private:
   SMESHGUI*               mySMESHGUI;
   LightApp_SelectionMgr*  mySelectionMgr;
 
+  SALOME_ListIO           myListGrpIO;
   QList<SMESH::SMESH_GroupBase_var> myListGrp;
   bool                    myBlockSelection;
 

src/SMESHGUI/SMESHGUI_ExtrusionDlg.cxx

@@ -91,6 +91,7 @@
 SMESHGUI_ExtrusionDlg::SMESHGUI_ExtrusionDlg (SMESHGUI* theModule)
   : SMESHGUI_PreviewDlg( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
+    myEditCurrentArgument(0),
     myFilterDlg( 0 ),
     mySelectedObject(SMESH::SMESH_IDSource::_nil())
 {

src/SMESHGUI/SMESHGUI_FilterDlg.cxx

@@ -1002,6 +1002,17 @@ void SMESHGUI_FilterTable::Init (const QList<int>& theTypes)
 
     myLibDlg = 0;
   }
+  else
+  {
+    QList<int>::const_iterator typeIt = theTypes.begin();
+    for ( ; typeIt != theTypes.end(); ++typeIt ) {
+      if ( !myTables[ *typeIt ] ) {
+        Table* aTable = createTable(mySwitchTableGrp, *typeIt);
+        myTables[ *typeIt ] = aTable;
+        ((QVBoxLayout*)mySwitchTableGrp->layout())->addWidget(myTables[ *typeIt ]);
+      }
+    }
+  }
 
   // Hide buttons of entity types if necessary
   const QMap<int, QString>& aSupportedTypes = getSupportedTypes();

src/SMESHGUI/SMESHGUI_Hypotheses.cxx

@@ -572,6 +572,8 @@ QString SMESHGUI_GenericHypothesisCreator::helpPage() const
     aHelpFileName = "a2d_meshing_hypo_page.html#hypo_quad_params_anchor";
   else if ( aHypType == "ViscousLayers")
     aHelpFileName = "additional_hypo_page.html#viscous_layers_anchor";
+  else if ( aHypType == "ViscousLayers2D")
+    aHelpFileName = "additional_hypo_page.html#viscous_layers_anchor";
   else if ( aHypType == "ImportSource1D" || aHypType == "ImportSource2D")
     aHelpFileName = "import_algos_page.html";
   return aHelpFileName;

src/SMESHGUI/SMESHGUI_HypothesesUtils.cxx

@@ -74,7 +74,7 @@
 #endif
 
 #ifdef _DEBUG_
-static int MYDEBUG = 0;
+static int MYDEBUG = 1;
 #else
 static int MYDEBUG = 0;
 #endif
@@ -420,13 +420,13 @@ namespace SMESH
         LibHandle libHandle = LoadLib( aClientLibName.toLatin1().data() );
         if (!libHandle) {
           // report any error, if occured
-          if ( MYDEBUG ) {
+          {
 #ifdef WIN32
             const char* anError = "Can't load client meshers plugin library";
 #else
             const char* anError = dlerror();      
 #endif
-            MESSAGE(anError);
+            INFOS(anError); // always display this kind of error !
           }
         }
         else {

src/SMESHGUI/SMESHGUI_MeshInfo.cxx

@@ -1105,6 +1105,7 @@ void SMESHGUI_SimpleElemInfo::information( const QList<long>& ids )
           afunctor->SetMesh( actor()->GetObject()->GetMesh() );
           myInfo->append( QString( "- <b>%1:</b> %2" ).arg( tr( "MAX_ELEMENT_LENGTH_3D" ) ).arg( afunctor->GetValue( id ) ) );
         }
+	/*
         if( e->GetType() >= SMDSAbs_Edge && e->GetType() <= SMDSAbs_Volume ) {
           // separator
           myInfo->append( "" );
@@ -1121,6 +1122,7 @@ void SMESHGUI_SimpleElemInfo::information( const QList<long>& ids )
             myInfo->append( QString( "<b>%1:</b> %2 #%3" ).arg( tr( "Position" ) ).arg( shapeType ).arg( shapeID ) );
           }
         }
+	*/
       }
       // separator
       if ( ids.count() > 1 ) {
@@ -1539,6 +1541,7 @@ void SMESHGUI_TreeElemInfo::information( const QList<long>& ids )
           diam3Item->setText( 0, tr( "MAX_ELEMENT_LENGTH_3D" ) );
           diam3Item->setText( 1, QString( "%1" ).arg( afunctor->GetValue( id ) ) );     
         }
+	/*
         if( e->GetType() >= SMDSAbs_Edge && e->GetType() <= SMDSAbs_Volume ) {
           //shapeID
           int shapeID = e->getshapeId();
@@ -1555,6 +1558,7 @@ void SMESHGUI_TreeElemInfo::information( const QList<long>& ids )
             shItem->setText( 1, QString( "%1 #%2" ).arg(shapeType).arg( shapeID ) );
           }
         }
+	*/
       }
     }
   }

src/SMESHGUI/SMESHGUI_MeshOp.cxx

@@ -1965,10 +1965,9 @@ SMESH::SMESH_Hypothesis_var SMESHGUI_MeshOp::getAlgo( const int theDim )
 
 //================================================================================
 /*!
- * \brief Reads parameters of edited mesh and assigns them to the dialog
+ * \brief Reads parameters of an edited mesh and assigns them to the dialog
  *
- * Reads parameters of edited mesh and assigns them to the dialog (called when
- * mesh is edited only)
+ * Called when mesh is edited only.
  */
 //================================================================================
 void SMESHGUI_MeshOp::readMesh()
@@ -2005,8 +2004,8 @@ void SMESHGUI_MeshOp::readMesh()
 
   // Get hypotheses and algorithms assigned to the mesh/sub-mesh
   QStringList anExisting;
-  const int aDim = ( myIsOnGeometry ) ? SMESH::DIM_0D : SMESH::DIM_3D;
-  for ( int dim = aDim; dim <= SMESH::DIM_3D; dim++ )
+  const int lastDim = ( myIsOnGeometry ) ? SMESH::DIM_0D : SMESH::DIM_3D;
+  for ( int dim = SMESH::DIM_3D; dim >= lastDim; --dim )
   {
     // get algorithm
     existingHyps( dim, Algo, pObj, anExisting, myObjHyps[ dim ][ Algo ] );
@@ -2030,7 +2029,7 @@ void SMESHGUI_MeshOp::readMesh()
 
   // get hypotheses
   bool hypWithoutAlgo = false;
-  for ( int dim = aDim; dim <= SMESH::DIM_3D; dim++ )
+  for ( int dim = SMESH::DIM_3D; dim >= lastDim; --dim )
   {
     for ( int hypType = MainHyp; hypType <= AddHyp; hypType++ )
     {

src/SMESHGUI/SMESHGUI_MultiEditDlg.cxx

@@ -225,7 +225,7 @@ QWidget* SMESHGUI_MultiEditDlg::createMainFrame (QWidget* theParent, const bool
   myComboBoxFunctor->addItem(tr("ASPECTRATIO_ELEMENTS"));
   myComboBoxFunctor->addItem(tr("MINIMUMANGLE_ELEMENTS"));
   myComboBoxFunctor->addItem(tr("SKEW_ELEMENTS"));
-  myComboBoxFunctor->addItem(tr("AREA_ELEMENTS"));
+  //myComboBoxFunctor->addItem(tr("AREA_ELEMENTS"));
   //myComboBoxFunctor->addItem(tr("LENGTH2D_EDGES")); // for existing elements only
   //myComboBoxFunctor->addItem(tr("MULTI2D_BORDERS")); // for existing elements only
   myComboBoxFunctor->setCurrentIndex(0);
@@ -362,6 +362,8 @@ SMESH::NumericalFunctor_ptr SMESHGUI_MultiEditDlg::getNumericalFunctor()
     aNF = aFilterMgr->CreateLength2D();
   else if (myComboBoxFunctor->currentText() == tr("MULTI2D_BORDERS"))
     aNF = aFilterMgr->CreateMultiConnection2D();
+  else if (myComboBoxFunctor->currentText() == tr("MIN_DIAG_ELEMENTS"))
+    aNF = aFilterMgr->CreateMaxElementLength2D();
   else;
 
   return aNF._retn();
@@ -1153,7 +1155,8 @@ SMESHGUI_UnionOfTrianglesDlg
 {
   setWindowTitle(tr("CAPTION"));
 
-  myComboBoxFunctor->setEnabled(true);
+  myComboBoxFunctor->setEnabled(true);  
+  myComboBoxFunctor->addItem(tr("AREA_ELEMENTS"));
   myComboBoxFunctor->addItem(tr("WARP_ELEMENTS")); // for quadrangles only
   myComboBoxFunctor->addItem(tr("TAPER_ELEMENTS")); // for quadrangles only
 
@@ -1240,6 +1243,8 @@ SMESHGUI_CuttingOfQuadsDlg
 
   myCriterionGrp->show();
   myChoiceWidget->show();
+  myComboBoxFunctor->insertItem(0, tr("MIN_DIAG_ELEMENTS"));
+  myComboBoxFunctor->setCurrentIndex(0);
   myComboBoxFunctor->setEnabled(false);
 
   connect(myPreviewChk,      SIGNAL(stateChanged(int)),    this, SLOT(onPreviewChk()));

src/SMESHGUI/SMESHGUI_SelectionOp.cxx

@@ -491,9 +491,16 @@ void SMESHGUI_SelectionOp::onTextChanged( int, const QStringList& list )
     IdList ids; extractIds( list, ids, '\0' );
     IdList::const_iterator anIt = ids.begin(),
                            aLast = ids.end();
-    for( ; anIt!=aLast; anIt++ )
-      if( const SMDS_MeshNode * n = aMesh->FindNode( *anIt ) )
-        newIndices.Add( n->GetID() );
+    if ( selectionMode() == NodeSelection )
+      for( ; anIt!=aLast; anIt++ ) {
+        if( const SMDS_MeshNode * n = aMesh->FindNode( *anIt ) )
+          newIndices.Add( n->GetID() );
+      }
+    else 
+      for( ; anIt!=aLast; anIt++ ) {
+        if( const SMDS_MeshElement* e = aMesh->FindElement( *anIt ) )
+          newIndices.Add( e->GetID() );
+      }
 
     selector()->AddOrRemoveIndex( sel.First(), newIndices, false );
     highlight( sel.First(), true, true );

src/SMESHGUI/SMESH_images.ts

@@ -105,7 +105,11 @@
         </message>
         <message>
             <source>ICON_DLG_ELEM0D</source>
-            <translation>mesh_vertex.png</translation>
+            <translation>mesh_0D_elem.png</translation>
+        </message>
+        <message>
+            <source>ICON_0D_ON_ALL_NODES</source>
+            <translation>mesh_0D_on_all_nodes.png</translation>
         </message>
         <message>
             <source>ICON_DLG_EDGE</source>

src/SMESHGUI/SMESH_msg_en.ts

@@ -63,6 +63,10 @@
         <source>AREA_ELEMENTS</source>
         <translation>Area</translation>
     </message>
+    <message>
+        <source>MIN_DIAG_ELEMENTS</source>
+        <translation>Minimum diagonal</translation>
+    </message>
     <message>
         <source>ASPECTRATIO_3D_ELEMENTS</source>
         <translation>Aspect Ratio 3D</translation>
@@ -160,6 +164,10 @@
         <source>ELEMENT_ID</source>
         <translation>Element ID</translation>
     </message>
+    <message>
+        <source>ELEMENT_IDS</source>
+        <translation>Element IDs</translation>
+    </message>
     <message>
         <source>FREE_BORDERS</source>
         <translation>Free Borders</translation>
@@ -372,6 +380,10 @@
         <source>MEN_ELEMS0D</source>
         <translation>0D Elements</translation>
     </message>
+    <message>
+        <source>MEN_0D_ON_ALL_NODES</source>
+        <translation>0D Elements on Element Nodes</translation>
+    </message>
     <message>
         <source>MEN_BALL</source>
         <translation>Ball</translation>
@@ -1075,6 +1087,10 @@ Do you want to convert it to the standalone group?</translation>
         <source>NODE_ID</source>
         <translation>Node ID</translation>
     </message>
+    <message>
+        <source>NODE_IDS</source>
+        <translation>Node IDs</translation>
+    </message>
     <message>
         <source>NON_SMESH_OBJECTS_SELECTED</source>
         <translation>There are objects selected which do not belong to %1 component.</translation>
@@ -1257,6 +1273,10 @@ Please enter correct values and try again</translation>
         <source>SMESH_AUTO_GROUPS</source>
         <translation>Automatically create groups</translation>
     </message>
+    <message>
+        <source>SMESH_REQUIRED_GROUPS</source>
+        <translation>Create groups of required entities</translation>
+    </message>
     <message>
         <source>SMESH_AVAILABLE</source>
         <translation>Available</translation>
@@ -2435,7 +2455,11 @@ Check algorithm documentation for supported geometry</translation>
     </message>
     <message>
         <source>SMESH_SELECT_WHOLE_MESH</source>
-        <translation>Select whole mesh, submesh or group</translation>
+        <translation>Select whole mesh, sub-mesh or group</translation>
+    </message>
+    <message>
+        <source>SMESH_SUBMESH_GROUP</source>
+        <translation>Mesh, sub-mesh, group</translation>
     </message>
     <message>
         <source>SMESH_SET_COLOR</source>
@@ -2829,6 +2853,10 @@ Please check preferences of Mesh module.
         <source>STB_ELEM0D</source>
         <translation>0D Element</translation>
     </message>
+    <message>
+        <source>STB_0D_ON_ALL_NODES</source>
+        <translation>Make 0D Elements on Element Nodes</translation>
+    </message>
     <message>
         <source>STB_ELEMS0D</source>
         <translation>0D Elements</translation>
@@ -3437,6 +3465,10 @@ Please check preferences of Mesh module.
         <source>TOP_DISP_ENT</source>
         <translation>Display entity</translation>
     </message>
+    <message>
+        <source>TOP_0D_ON_ALL_NODES</source>
+        <translation>Make 0D Elements on Element Nodes</translation>
+    </message>
     <message>
         <source>TOP_ELEM0D</source>
         <translation>0D Element</translation>
@@ -4014,10 +4046,18 @@ It can&apos;t be deleted </translation>
     </message>
 </context>
 <context>
-    <name>SMESHGUI_GroupDlg</name>
+    <name>SMESHGUI_Dialog</name>
     <message>
-        <source>ALLOW_ELEM_LIST_MODIF</source>
-        <translation>Enable manual edition</translation>
+        <source>DLG_MESH</source>
+        <translation>meshes</translation>
+    </message>
+    <message>
+        <source>DLG_HYPO</source>
+        <translation>hypotheses</translation>
+    </message>
+    <message>
+        <source>DLG_ALGO</source>
+        <translation>algorithms</translation>
     </message>
 </context>
 <context>
@@ -4328,6 +4368,35 @@ Please, create VTK viewer and try again</translation>
         <translation>Sub-shapes preview chunk size</translation>
     </message>
 </context>
+<context>
+    <name>SMESHGUI_GroupDlg</name>
+    <message>
+        <source>ALLOW_ELEM_LIST_MODIF</source>
+        <translation>Enable manual edition</translation>
+    </message>
+</context>
+<context>
+    <name>SMESHGUI_Add0DElemsOnAllNodesDlg</name>
+    <message>
+        <source>CAPTION</source>
+        <translation>Make 0D Elements on Element Nodes</translation>
+    </message>
+    <message>
+        <source>OBJ_BTN</source>
+        <translation>Mesh, sub-mesh, group</translation>
+    </message>
+    <message>
+        <source>NB_NEW_0D</source>
+        <translation>%1 0D elements created</translation>
+    </message>
+</context>
+<context>
+    <name>SMESHGUI_Add0DElemsOnAllNodesOp</name>
+    <message>
+        <source>NB_NEW_0D</source>
+        <translation>%1 0D elements created</translation>
+    </message>
+</context>
 <context>
     <name>SMESHGUI_AddQuadraticElementDlg</name>
     <message>

src/SMESHGUI/SMESH_msg_fr.ts

@@ -3993,6 +3993,21 @@ avec le paramètre &apos;%1&apos; des préférences du module Mesh.</translation
 Il ne peut pas être supprimé.</translation>
     </message>
 </context>
+<context>
+    <name>SMESHGUI_Dialog</name>
+    <message>
+        <source>DLG_MESH</source>
+        <translation>maillages</translation>
+    </message>
+    <message>
+        <source>DLG_HYPO</source>
+        <translation>hypothèses</translation>
+    </message>
+    <message>
+        <source>DLG_ALGO</source>
+        <translation>algorithmes</translation>
+    </message>
+</context>
 <context>
     <name>SMESHGUI_GroupDlg</name>
     <message>

src/SMESH_I/SMESH_2smeshpy.cxx

@@ -124,6 +124,31 @@ namespace {
     }
   };
 
+  //================================================================================
+  /*!
+   * \brief Map of TCollection_AsciiString initialized by C array of C strings.
+   *        Odd items of the C array are map keys, and even items are values
+   */
+  //================================================================================
+
+  struct TStringMap: public map<TCollection_AsciiString,TCollection_AsciiString>
+  {
+    /*!
+     * \brief Filling. The last string must be ""
+     */
+    void Insert(const char* names_values[]) {
+      for ( int i = 0; names_values[i][0] ; i += 2 )
+        insert( make_pair( (char*) names_values[i], names_values[i+1] ));
+    }
+    /*!
+     * \brief Check if a string is in
+     */
+    TCollection_AsciiString Value(const TCollection_AsciiString& name ) {
+      map< _AString, _AString >::iterator it = find( name );
+      return it == end() ? "" : it->second;
+    }
+  };
+
   //================================================================================
   /*!
    * \brief Returns a mesh by object
@@ -533,10 +558,14 @@ Handle(_pyCommand) _pyGen::AddCommand( const TCollection_AsciiString& theCommand
       groups = aCommand->GetResultValue(2);
     else if ( method == "MakeBoundaryElements")
       groups = aCommand->GetResultValue(3);
+    else if ( method == "Create0DElementsOnAllNodes" &&
+              aCommand->GetArg(2).Length() > 2 ) // group name != ''
+      groups = aCommand->GetResultValue();
 
     id_editor->second->Process( aCommand );
     id_editor->second->AddProcessedCmd( aCommand );
 
+    // create meshes
     if ( !meshID.IsEmpty() &&
          !myMeshes.count( meshID ) &&
          aCommand->IsStudyEntry( meshID ))
@@ -547,6 +576,7 @@ Handle(_pyCommand) _pyGen::AddCommand( const TCollection_AsciiString& theCommand
       aCommand->Clear();
       aCommand->GetString() = processedCommand; // discard changes made by _pyMesh
     }
+    // create groups
     if ( !groups.IsEmpty() )
     {
       if ( !aCommand->IsStudyEntry( meshID ))
@@ -730,7 +760,9 @@ void _pyGen::Process( const Handle(_pyCommand)& theCommand )
     myMeshes.insert( make_pair( mesh->GetID(), mesh ));
     return;
   }
-  if( method == "CreateMeshesFromMED" || method == "CreateMeshesFromSAUV")
+  if( method == "CreateMeshesFromMED" ||
+      method == "CreateMeshesFromSAUV"||
+      method == "CreateMeshesFromGMF" )
   {
     for(int ind = 0;ind<theCommand->GetNbResultValues();ind++)
     {
@@ -786,7 +818,7 @@ void _pyGen::Process( const Handle(_pyCommand)& theCommand )
     }
   }
 
-  // objects erasing creation command if no more it's commands invoked:
+  // objects erasing creation command if no more its commands invoked:
   // SMESH_Pattern, FilterManager
   if ( method == "GetPattern" ||
        method == "CreateFilterManager" ||
@@ -1503,6 +1535,33 @@ void _pyMesh::Process( const Handle(_pyCommand)& theCommand )
     myGroups.push_back( group );
     theGen->AddObject( group );
   }
+  // update list of groups
+  else if ( method == "GetGroups" )
+  {
+    TCollection_AsciiString grIDs = theCommand->GetResultValue();
+    list< _pyID > idList = theCommand->GetStudyEntries( grIDs );
+    list< _pyID >::iterator grID = idList.begin();
+    for ( ; grID != idList.end(); ++grID )
+    {
+      Handle(_pyObject) obj = theGen->FindObject( *grID );
+      if ( obj.IsNull() )
+      {
+        Handle(_pyGroup) group = new _pyGroup( theCommand, *grID );
+        theGen->AddObject( group );
+        myGroups.push_back( group );
+      }
+    }
+  }
+  // notify a group about full removal
+  else if ( method == "RemoveGroupWithContents" )
+  {
+    if ( !theGen->IsToKeepAllCommands() ) { // snapshot mode
+      const _pyID groupID = theCommand->GetArg( 1 );
+      Handle(_pyGroup) grp = Handle(_pyGroup)::DownCast( theGen->FindObject( groupID ));
+      if ( !grp.IsNull() )
+        grp->RemovedWithContents();
+    }
+  }
   // ----------------------------------------------------------------------
   else if ( theCommand->MethodStartsFrom( "Export" ))
   {
@@ -1604,23 +1663,6 @@ void _pyMesh::Process( const Handle(_pyCommand)& theCommand )
         subMesh->Process( theCommand ); // it moves GetSubMesh() before theCommand
     }
   }
-  // update list of groups
-  else if ( method == "GetGroups" )
-  {
-    TCollection_AsciiString grIDs = theCommand->GetResultValue();
-    list< _pyID > idList = theCommand->GetStudyEntries( grIDs );
-    list< _pyID >::iterator grID = idList.begin();
-    for ( ; grID != idList.end(); ++grID )
-    {
-      Handle(_pyObject) obj = theGen->FindObject( *grID );
-      if ( obj.IsNull() )
-      {
-        Handle(_pyGroup) group = new _pyGroup( theCommand, *grID );
-        theGen->AddObject( group );
-        myGroups.push_back( group );
-      }
-    }
-  }
   // add accessor method if necessary
   else
   {
@@ -1929,14 +1971,15 @@ _pyMeshEditor::_pyMeshEditor(const Handle(_pyCommand)& theCreationCmd):
 
 void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
 {
-  // names of SMESH_MeshEditor methods fully equal to methods of python class Mesh, so
-  // commands calling this methods are converted to calls of methods of Mesh
+  // names of SMESH_MeshEditor methods fully equal to methods of the python class Mesh, so
+  // commands calling this methods are converted to calls of Mesh methods
   static TStringSet sameMethods;
   if ( sameMethods.empty() ) {
     const char * names[] = {
       "RemoveElements","RemoveNodes","RemoveOrphanNodes","AddNode","Add0DElement","AddEdge","AddFace","AddPolygonalFace","AddBall",
       "AddVolume","AddPolyhedralVolume","AddPolyhedralVolumeByFaces","MoveNode", "MoveClosestNodeToPoint",
-      "InverseDiag","DeleteDiag","Reorient","ReorientObject","TriToQuad","SplitQuad","SplitQuadObject",
+      "InverseDiag","DeleteDiag","Reorient","ReorientObject",
+      "TriToQuad","TriToQuadObject", "SplitQuad","SplitQuadObject",
       "BestSplit","Smooth","SmoothObject","SmoothParametric","SmoothParametricObject",
       "ConvertToQuadratic","ConvertFromQuadratic","RenumberNodes","RenumberElements",
       "RotationSweep","RotationSweepObject","RotationSweepObject1D","RotationSweepObject2D",
@@ -1955,7 +1998,21 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
     sameMethods.Insert( names );
   }
 
-  // names of SMESH_MeshEditor methods which differ from methods of class Mesh
+  // names of SMESH_MeshEditor commands in which only a method name must be replaced
+  TStringMap diffMethods;
+  if ( diffMethods.empty() ) {
+    const char * orig2newName[] = {
+      // original name --------------> new name
+      "ExtrusionAlongPathObjX"      , "ExtrusionAlongPathX",
+      "FindCoincidentNodesOnPartBut", "FindCoincidentNodesOnPart",
+      "ConvertToQuadraticObject"    , "ConvertToQuadratic",
+      "ConvertFromQuadraticObject"  , "ConvertFromQuadratic",
+      "Create0DElementsOnAllNodes"  , "Add0DElementsToAllNodes",
+      ""};// <- mark of the end
+    diffMethods.Insert( orig2newName );
+  }
+
+  // names of SMESH_MeshEditor methods which differ from methods of Mesh class
   // only by last two arguments
   static TStringSet diffLastTwoArgsMethods;
   if (diffLastTwoArgsMethods.empty() ) {
@@ -1967,13 +2024,21 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
     diffLastTwoArgsMethods.Insert( names );
   }
 
+  // only a method name is to change?
   const TCollection_AsciiString & method = theCommand->GetMethod();
   bool isPyMeshMethod = sameMethods.Contains( method );
   if ( !isPyMeshMethod )
   {
-    //Replace SMESH_MeshEditor "MakeGroups" functions by the Mesh
-    //functions with the flag "theMakeGroups = True" like:
-    //SMESH_MeshEditor.CmdMakeGroups => Mesh.Cmd(...,True)
+    TCollection_AsciiString newMethod = diffMethods.Value( method );
+    if (( isPyMeshMethod = ( newMethod.Length() > 0 )))
+      theCommand->SetMethod( newMethod );
+  }
+
+  if ( !isPyMeshMethod )
+  {
+    // Replace SMESH_MeshEditor "*MakeGroups" functions by the Mesh
+    // functions with the flag "theMakeGroups = True" like:
+    // SMESH_MeshEditor.CmdMakeGroups => Mesh.Cmd(...,True)
     int pos = method.Search("MakeGroups");
     if( pos != -1)
     {
@@ -1998,7 +2063,7 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
     }
   }
 
-  // ExtrusionSweep0D() -> ExtrusionSweep()
+  // ExtrusionSweep0D()       -> ExtrusionSweep()
   // ExtrusionSweepObject0D() -> ExtrusionSweepObject()
   if ( !isPyMeshMethod && ( method == "ExtrusionSweep0D"  ||
                             method == "ExtrusionSweepObject0D" ))
@@ -2008,19 +2073,7 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
     theCommand->SetArg(theCommand->GetNbArgs()+1,"False");  //sets flag "MakeGroups = False"
     theCommand->SetArg(theCommand->GetNbArgs()+1,"True");  //sets flag "IsNode = True"
   }
-  // set "ExtrusionAlongPathX()" instead of "ExtrusionAlongPathObjX()"
-  if ( !isPyMeshMethod && method == "ExtrusionAlongPathObjX")
-  {
-    isPyMeshMethod = true;
-    theCommand->SetMethod("ExtrusionAlongPathX");
-  }
 
-  // set "FindCoincidentNodesOnPart()" instead of "FindCoincidentNodesOnPartBut()"
-  if ( !isPyMeshMethod && method == "FindCoincidentNodesOnPartBut")
-  {
-    isPyMeshMethod = true;
-    theCommand->SetMethod("FindCoincidentNodesOnPart");
-  }
   // DoubleNode...New(...) -> DoubleNode...(...,True)
   if ( !isPyMeshMethod && ( method == "DoubleNodeElemGroupNew"  ||
                             method == "DoubleNodeElemGroupsNew" ||
@@ -2045,14 +2098,6 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
       theCommand->SetResultValue( groupID );
     }
   }
-  // ConvertToQuadraticObject(bool,obj) -> ConvertToQuadratic(bool,obj)
-  // ConvertFromQuadraticObject(obj) -> ConvertFromQuadratic(obj)
-  if ( !isPyMeshMethod && ( method == "ConvertToQuadraticObject" ||
-                            method == "ConvertFromQuadraticObject" ))
-  {
-    isPyMeshMethod = true;
-    theCommand->SetMethod( method.SubString( 1, method.Length()-6));
-  }
   // FindAmongElementsByPoint(meshPart, x, y, z, elementType) ->
   // FindElementsByPoint(x, y, z, elementType, meshPart)
   if ( !isPyMeshMethod && method == "FindAmongElementsByPoint" )
@@ -2083,10 +2128,15 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
       theCommand->SetArg( 3, face );
   }
 
-  // meshes made by *MakeMesh() methods are not wrapped by _pyMesh,
-  // so let _pyMesh care of it (TMP?)
-  //     if ( theCommand->GetMethod().Search("MakeMesh") != -1 )
-  //       _pyMesh( new _pyCommand( theCommand->GetString(), 0 )); // for theGen->SetAccessorMethod()
+  if ( method == "QuadToTri" || method == "QuadToTriObject" )
+  {
+    isPyMeshMethod = true;
+    int crit_arg = theCommand->GetNbArgs();
+    const _AString& crit = theCommand->GetArg(crit_arg);
+    if (crit.Search("MaxElementLength2D") != -1)
+      theCommand->SetArg(crit_arg, "");
+  }
+
   if ( isPyMeshMethod )
   {
     theCommand->SetObject( myMesh );
@@ -2094,7 +2144,7 @@ void _pyMeshEditor::Process( const Handle(_pyCommand)& theCommand)
   else
   {
     // editor creation command is needed only if any editor function is called
-    theGen->AddMeshAccessorMethod( theCommand ); // for *Object()
+    theGen->AddMeshAccessorMethod( theCommand ); // for *Object() methods
     if ( !myCreationCmdStr.IsEmpty() ) {
       GetCreationCmd()->GetString() = myCreationCmdStr;
       myCreationCmdStr.Clear();
@@ -3766,7 +3816,7 @@ bool _pySubMesh::CanBeArgOfMethod(const _AString& theMethodName)
       "TranslateObjectMakeGroups","TranslateObjectMakeMesh","ScaleMakeGroups","ScaleMakeMesh",
       "RotateObject","RotateObjectMakeGroups","RotateObjectMakeMesh","FindCoincidentNodesOnPart",
       "FindCoincidentNodesOnPartBut","FindEqualElements","FindAmongElementsByPoint",
-      "MakeBoundaryMesh",
+      "MakeBoundaryMesh","Create0DElementsOnAllNodes",
       "" }; // <- mark of end
     methods.Insert( names );
   }
@@ -3864,6 +3914,21 @@ _pyGroup::_pyGroup(const Handle(_pyCommand)& theCreationCmd, const _pyID & id)
   }
 }
 
+//================================================================================
+/*!
+ * \brief set myCanClearCreationCmd = true if the main action of the creation
+ *        command is discarded
+ */
+//================================================================================
+
+void _pyGroup::RemovedWithContents()
+{
+  // this code would be appropriate if Add0DElementsToAllNodes() returned only new nodes
+  // via a created group
+  //if ( GetCreationCmd()->GetMethod() == "Add0DElementsToAllNodes")
+  // myCanClearCreationCmd = true;
+}
+
 //================================================================================
 /*!
  * \brief To convert creation of a group by filter
@@ -3941,8 +4006,6 @@ void _pyGroup::Process( const Handle(_pyCommand)& theCommand)
 //================================================================================
 /*!
  * \brief Prevent clearing "DoubleNode...() command if a group created by it is removed
- * 
- * 
  */
 //================================================================================
 

src/SMESH_I/SMESH_2smeshpy.hxx

@@ -591,6 +591,7 @@ public:
   virtual void Process( const Handle(_pyCommand)& theCommand);
   virtual void Flush();
   virtual void Free() { myFilter.Nullify(); }
+  void RemovedWithContents();
 
   DEFINE_STANDARD_RTTI (_pyGroup)
 };

src/SMESH_I/SMESH_Gen_i.cxx

@@ -1232,6 +1232,7 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromCGNS( const char* theFileName,
 
 SMESH::SMESH_Mesh_ptr
 SMESH_Gen_i::CreateMeshesFromGMF( const char*             theFileName,
+                                  CORBA::Boolean          theMakeRequiredGroups,
                                   SMESH::ComputeError_out theError)
     throw ( SALOME::SALOME_Exception )
 {
@@ -1254,12 +1255,14 @@ SMESH_Gen_i::CreateMeshesFromGMF( const char*             theFileName,
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << "("<< aSO << ", error) = " << this << ".CreateMeshesFromGMF(r'" << theFileName << "')";
+      TPythonDump() << "("<< aSO << ", error) = " << this << ".CreateMeshesFromGMF(r'"
+                    << theFileName << "', "
+                    << theMakeRequiredGroups << " )";
     }
   }
   SMESH_Mesh_i* aServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( aMesh ).in() );
   ASSERT( aServant );
-  theError = aServant->ImportGMFFile( theFileName );
+  theError = aServant->ImportGMFFile( theFileName, theMakeRequiredGroups );
   aServant->GetImpl().GetMeshDS()->Modified();
   return aMesh._retn();
 }

src/SMESH_I/SMESH_Gen_i.hxx

@@ -263,6 +263,7 @@ public:
 
   //  Create a mesh and import data from a GMF file
   SMESH::SMESH_Mesh_ptr CreateMeshesFromGMF( const char*             theFileName,
+                                             CORBA::Boolean          theMakeRequiredGroups,
                                              SMESH::ComputeError_out theError)
     throw ( SALOME::SALOME_Exception );
 

src/SMESH_I/SMESH_MeshEditor_i.hxx

@@ -40,6 +40,10 @@
 
 class SMESH_Mesh_i;
 
+namespace MeshEditor_I {
+  struct TPreviewMesh;
+}
+
 class SMESH_MeshEditor_i: public POA_SMESH::SMESH_MeshEditor
 {
 public:
@@ -100,6 +104,19 @@ public:
                                   const SMESH::long_array & Quantities);
   CORBA::Long AddPolyhedralVolumeByFaces(const SMESH::long_array & IdsOfFaces);
 
+  /*!
+   * \brief Create 0D elements on all nodes of the given object except those 
+   *        nodes on which a 0D element already exists.
+   *  \param theObject object on whose nodes 0D elements will be created.
+   *  \param theGroupName optional name of a group to add 0D elements created
+   *         and/or found on nodes of \a theObject.
+   *  \return an object (a new group or a temporary SMESH_IDSource) holding
+   *          ids of new and/or found 0D elements.
+   */
+  SMESH::SMESH_IDSource_ptr Create0DElementsOnAllNodes(SMESH::SMESH_IDSource_ptr theObject,
+                                                       const char*               theGroupName)
+    throw (SALOME::SALOME_Exception);
+
   /*!
    * \brief Bind a node to a vertex
    * \param NodeID - node ID
@@ -822,13 +839,17 @@ public:
 
 private: //!< private methods
 
-  SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
+  ::SMESH_MeshEditor& getEditor();
+
+  SMESHDS_Mesh * getMeshDS() { return myMesh->GetMeshDS(); }
+
+  MeshEditor_I::TPreviewMesh * getPreviewMesh( SMDSAbs_ElementType previewType = SMDSAbs_All );
 
   /*!
    * \brief Update myLastCreated* or myPreviewData
    * \param anEditor - it contains edition results
    */
-  void storeResult(::SMESH_MeshEditor& anEditor);
+  //void storeResult(::SMESH_MeshEditor& anEditor);
   /*!
    * \brief Clear myLastCreated* or myPreviewData
    */
@@ -913,12 +934,19 @@ private: //!< private methods
 
 private: //!< fields
 
-  SMESH_Mesh_i*      myMesh_i;
-  SMESH_Mesh *       myMesh;
-  ::SMESH_MeshEditor myEditor;
+  SMESH_Mesh_i*                myMesh_i;
+  SMESH_Mesh *                 myMesh;
+  ::SMESH_MeshEditor           myEditor;
 
+  bool                         myIsPreviewMode;
+  MeshEditor_I::TPreviewMesh * myPreviewMesh;
+  ::SMESH_MeshEditor *         myPreviewEditor;
   SMESH::MeshPreviewStruct_var myPreviewData;
-  bool                         myPreviewMode;
+
+  // temporary IDSources
+  struct _IDSource;
+  std::list< _IDSource* >      myAuxIDSources;
+  void                         deleteAuxIDSources();
 };
 
 #endif

src/SMESH_I/SMESH_Mesh_i.cxx

@@ -483,12 +483,13 @@ int SMESH_Mesh_i::ImportSTLFile( const char* theFileName )
  */
 //================================================================================
 
-SMESH::ComputeError* SMESH_Mesh_i::ImportGMFFile( const char* theFileName )
+SMESH::ComputeError* SMESH_Mesh_i::ImportGMFFile( const char* theFileName,
+                                                  bool        theMakeRequiredGroups )
   throw (SALOME::SALOME_Exception)
 {
   SMESH_ComputeErrorPtr error;
   try {
-    error = _impl->GMFToMesh( theFileName );
+    error = _impl->GMFToMesh( theFileName, theMakeRequiredGroups );
   }
   catch ( std::bad_alloc& exc ) {
     error = SMESH_ComputeError::New( Driver_Mesh::DRS_FAIL, "std::bad_alloc raised" );
@@ -1064,11 +1065,11 @@ void SMESH_Mesh_i::RemoveGroupWithContents( SMESH::SMESH_GroupBase_ptr theGroup
   else
     aMeshEditor->RemoveElements( anIds );
 
+  // Update Python script (theGroup must be alive for this)
+  pyDump << _this() << ".RemoveGroupWithContents( " << theGroup << " )";
+
   // Remove group
   RemoveGroup( theGroup );
-
-  // Update Python script
-  pyDump << _this() << ".RemoveGroupWithContents( " << theGroup << " )";
 }
 
 //================================================================================
@@ -3039,7 +3040,8 @@ void SMESH_Mesh_i::ExportCGNS(::SMESH::SMESH_IDSource_ptr meshPart,
 //================================================================================
 
 void SMESH_Mesh_i::ExportGMF(::SMESH::SMESH_IDSource_ptr meshPart,
-                             const char*                 file)
+                             const char*                 file,
+                             bool                        withRequiredGroups)
   throw (SALOME::SALOME_Exception)
 {
   Unexpect aCatch(SALOME_SalomeException);
@@ -3049,9 +3051,12 @@ void SMESH_Mesh_i::ExportGMF(::SMESH::SMESH_IDSource_ptr meshPart,
   PrepareForWriting(file,/*overwrite=*/true);
 
   SMESH_MeshPartDS partDS( meshPart );
-  _impl->ExportGMF(file, &partDS);
+  _impl->ExportGMF(file, &partDS, withRequiredGroups);
 
-  TPythonDump() << _this() << ".ExportGMF( " << meshPart<< ", r'" << file << "')";
+  TPythonDump() << _this() << ".ExportGMF( "
+                << meshPart<< ", r'"
+                << file << "', "
+                << withRequiredGroups << ")";
 }
 
 //=============================================================================

src/SMESH_I/SMESH_Mesh_i.hxx

@@ -198,7 +198,8 @@ public:
   int ImportSTLFile( const char* theFileName )
     throw (SALOME::SALOME_Exception);
 
-  SMESH::ComputeError* ImportGMFFile( const char* theFileName )
+  SMESH::ComputeError* ImportGMFFile( const char* theFileName,
+                                      bool        theMakeRequiredGroups)
     throw (SALOME::SALOME_Exception);
 
   /*!
@@ -249,7 +250,8 @@ public:
                   const char*               file,
                   CORBA::Boolean            overwrite) throw (SALOME::SALOME_Exception);
   void ExportGMF(SMESH::SMESH_IDSource_ptr meshPart,
-                 const char*               file) throw (SALOME::SALOME_Exception);
+                 const char*               file,
+                 CORBA::Boolean            withRequiredGroups) throw (SALOME::SALOME_Exception);
 
   void ExportPartToMED(SMESH::SMESH_IDSource_ptr meshPart,
                        const char*               file,

src/SMESH_SWIG/smeshDC.py

@@ -255,8 +255,7 @@ def TreatHypoStatus(status, hypName, geomName, isAlgo):
 def AssureGeomPublished(mesh, geom, name=''):
     if not isinstance( geom, geompyDC.GEOM._objref_GEOM_Object ):
         return
-    if not geom.IsSame( mesh.geom ) and \
-           not geom.GetStudyEntry() and \
+    if not geom.GetStudyEntry() and \
            mesh.smeshpyD.GetCurrentStudy():
         ## set the study
         studyID = mesh.smeshpyD.GetCurrentStudy()._get_StudyId()
@@ -330,7 +329,6 @@ class smeshDC(SMESH._objref_SMESH_Gen):
         return Mesh(self,self.geompyD,obj,name)
 
     ## Returns a long value from enumeration
-    #  Should be used for SMESH.FunctorType enumeration
     #  @ingroup l1_controls
     def EnumToLong(self,theItem):
         return theItem._v
@@ -509,7 +507,9 @@ class smeshDC(SMESH._objref_SMESH_Gen):
     #  @return [ an instance of Mesh class, SMESH::ComputeError ]
     #  @ingroup l2_impexp
     def CreateMeshesFromGMF( self, theFileName ):
-        aSmeshMesh, error = SMESH._objref_SMESH_Gen.CreateMeshesFromGMF(self,theFileName)
+        aSmeshMesh, error = SMESH._objref_SMESH_Gen.CreateMeshesFromGMF(self,
+                                                                        theFileName,
+                                                                        True)
         if error.comment: print "*** CreateMeshesFromGMF() errors:\n", error.comment
         return Mesh(self, self.geompyD, aSmeshMesh), error
 
@@ -640,9 +640,13 @@ class smeshDC(SMESH._objref_SMESH_Gen):
             # Checks that Threshold is GEOM object
             if isinstance(aThreshold, geompyDC.GEOM._objref_GEOM_Object):
                 aCriterion.ThresholdStr = GetName(aThreshold)
-                aCriterion.ThresholdID = aThreshold.GetStudyEntry()
+                aCriterion.ThresholdID  = aThreshold.GetStudyEntry()
                 if not aCriterion.ThresholdID:
-                    raise RuntimeError, "Threshold shape must be published"
+                    name = aCriterion.ThresholdStr
+                    if not name:
+                        name = "%s_%s"%(aThreshold.GetShapeType(), id(aThreshold)%10000)
+                    aCriterion.ThresholdID = self.geompyD.addToStudy( aThreshold, name )
+                    #raise RuntimeError, "Threshold shape must be published"
             else:
                 print "Error: The Threshold should be a shape."
                 return None
@@ -768,6 +772,8 @@ class smeshDC(SMESH._objref_SMESH_Gen):
     #  @return SMESH_NumericalFunctor
     #  @ingroup l1_controls
     def GetFunctor(self,theCriterion):
+        if isinstance( theCriterion, SMESH._objref_NumericalFunctor ):
+            return theCriterion
         aFilterMgr = self.CreateFilterManager()
         if theCriterion == FT_AspectRatio:
             return aFilterMgr.CreateAspectRatio()
@@ -1002,7 +1008,8 @@ class Mesh:
         if not self.geom:
             self.geom = self.mesh.GetShapeToMesh()
 
-        self.editor = self.mesh.GetMeshEditor()
+        self.editor   = self.mesh.GetMeshEditor()
+        self.functors = [None] * SMESH.FT_Undefined._v
 
         # set self to algoCreator's
         for attrName in dir(self):
@@ -1224,9 +1231,13 @@ class Mesh:
                 elif err.state == HYP_BAD_GEOMETRY:
                     reason = ('%s %sD algorithm "%s" is assigned to mismatching'
                               'geometry' % ( glob, dim, name ))
+                elif err.state == HYP_HIDDEN_ALGO:
+                    reason = ('%s %sD algorithm "%s" is ignored due to presence of a %s '
+                              'algorithm of upper dimension generating %sD mesh'
+                              % ( glob, dim, name, glob, dim ))
                 else:
-                    reason = "For unknown reason."+\
-                             " Revise Mesh.Compute() implementation in smeshDC.py!"
+                    reason = ("For unknown reason. "
+                              "Developer, revise Mesh.Compute() implementation in smeshDC.py!")
                     pass
                 if allReasons != "":allReasons += "\n"
                 allReasons += "-  " + reason
@@ -1476,7 +1487,7 @@ class Mesh:
             meshPart = meshPart.mesh
         elif not meshPart:
             meshPart = self.mesh
-        self.mesh.ExportGMF(meshPart, f)
+        self.mesh.ExportGMF(meshPart, f, True)
 
     ## Deprecated, used only for compatibility! Please, use ExportToMEDX() method instead.
     #  Exports the mesh in a file in MED format and chooses the \a version of MED format
@@ -2334,6 +2345,24 @@ class Mesh:
     def Add0DElement(self, IDOfNode):
         return self.editor.Add0DElement(IDOfNode)
 
+    ## Create 0D elements on all nodes of the given elements except those 
+    #  nodes on which a 0D element already exists.
+    #  @param theObject an object on whose nodes 0D elements will be created.
+    #         It can be mesh, sub-mesh, group, list of element IDs or a holder
+    #         of nodes IDs created by calling mesh.GetIDSource( nodes, SMESH.NODE )
+    #  @param theGroupName optional name of a group to add 0D elements created
+    #         and/or found on nodes of \a theObject.
+    #  @return an object (a new group or a temporary SMESH_IDSource) holding
+    #          IDs of new and/or found 0D elements. IDs of 0D elements 
+    #          can be retrieved from the returned object by calling GetIDs()
+    #  @ingroup l2_modif_add
+    def Add0DElementsToAllNodes(self, theObject, theGroupName=""):
+        if isinstance( theObject, Mesh ):
+            theObject = theObject.GetMesh()
+        if isinstance( theObject, list ):
+            theObject = self.GetIDSource( theObject, SMESH.ALL )
+        return self.editor.Create0DElementsOnAllNodes( theObject, theGroupName )
+
     ## Creates a ball element on a node with given ID.
     #  @param IDOfNode the ID of node for creation of the element.
     #  @param diameter the bal diameter.
@@ -2627,30 +2656,25 @@ class Mesh:
 
     ## Fuses the neighbouring triangles into quadrangles.
     #  @param IDsOfElements The triangles to be fused,
-    #  @param theCriterion  is FT_...; used to choose a neighbour to fuse with.
+    #  @param theCriterion  is a numerical functor, in terms of enum SMESH.FunctorType, used to
+    #                       choose a neighbour to fuse with.
     #  @param MaxAngle      is the maximum angle between element normals at which the fusion
     #                       is still performed; theMaxAngle is mesured in radians.
     #                       Also it could be a name of variable which defines angle in degrees.
     #  @return TRUE in case of success, FALSE otherwise.
     #  @ingroup l2_modif_unitetri
     def TriToQuad(self, IDsOfElements, theCriterion, MaxAngle):
-        flag = False
-        if isinstance(MaxAngle,str):
-            flag = True
         MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
         self.mesh.SetParameters(Parameters)
         if not IDsOfElements:
             IDsOfElements = self.GetElementsId()
-        Functor = 0
-        if ( isinstance( theCriterion, SMESH._objref_NumericalFunctor ) ):
-            Functor = theCriterion
-        else:
-            Functor = self.smeshpyD.GetFunctor(theCriterion)
+        Functor = self.smeshpyD.GetFunctor(theCriterion)
         return self.editor.TriToQuad(IDsOfElements, Functor, MaxAngle)
 
     ## Fuses the neighbouring triangles of the object into quadrangles
     #  @param theObject is mesh, submesh or group
-    #  @param theCriterion is FT_...; used to choose a neighbour to fuse with.
+    #  @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
+    #         choose a neighbour to fuse with.
     #  @param MaxAngle   a max angle between element normals at which the fusion
     #                   is still performed; theMaxAngle is mesured in radians.
     #  @return TRUE in case of success, FALSE otherwise.
@@ -2658,29 +2682,42 @@ class Mesh:
     def TriToQuadObject (self, theObject, theCriterion, MaxAngle):
         MaxAngle,Parameters,hasVars = ParseAngles(MaxAngle)
         self.mesh.SetParameters(Parameters)
-        if ( isinstance( theObject, Mesh )):
+        if isinstance( theObject, Mesh ):
             theObject = theObject.GetMesh()
-        return self.editor.TriToQuadObject(theObject, self.smeshpyD.GetFunctor(theCriterion), MaxAngle)
+        Functor = self.smeshpyD.GetFunctor(theCriterion)
+        return self.editor.TriToQuadObject(theObject, Functor, MaxAngle)
 
     ## Splits quadrangles into triangles.
+    #
     #  @param IDsOfElements the faces to be splitted.
-    #  @param theCriterion   FT_...; used to choose a diagonal for splitting.
+    #  @param theCriterion   is a numerical functor, in terms of enum SMESH.FunctorType, used to
+    #         choose a diagonal for splitting. If @a theCriterion is None, which is a default
+    #         value, then quadrangles will be split by the smallest diagonal.
     #  @return TRUE in case of success, FALSE otherwise.
     #  @ingroup l2_modif_cutquadr
-    def QuadToTri (self, IDsOfElements, theCriterion):
+    def QuadToTri (self, IDsOfElements, theCriterion = None):
         if IDsOfElements == []:
             IDsOfElements = self.GetElementsId()
-        return self.editor.QuadToTri(IDsOfElements, self.smeshpyD.GetFunctor(theCriterion))
+        if theCriterion is None:
+            theCriterion = FT_MaxElementLength2D
+        Functor = self.smeshpyD.GetFunctor(theCriterion)
+        return self.editor.QuadToTri(IDsOfElements, Functor)
 
     ## Splits quadrangles into triangles.
-    #  @param theObject  the object from which the list of elements is taken, this is mesh, submesh or group
-    #  @param theCriterion   FT_...; used to choose a diagonal for splitting.
+    #  @param theObject the object from which the list of elements is taken,
+    #         this is mesh, submesh or group
+    #  @param theCriterion is a numerical functor, in terms of enum SMESH.FunctorType, used to
+    #         choose a diagonal for splitting. If @a theCriterion is None, which is a default
+    #         value, then quadrangles will be split by the smallest diagonal.
     #  @return TRUE in case of success, FALSE otherwise.
     #  @ingroup l2_modif_cutquadr
-    def QuadToTriObject (self, theObject, theCriterion):
+    def QuadToTriObject (self, theObject, theCriterion = None):
         if ( isinstance( theObject, Mesh )):
             theObject = theObject.GetMesh()
-        return self.editor.QuadToTriObject(theObject, self.smeshpyD.GetFunctor(theCriterion))
+        if theCriterion is None:
+            theCriterion = FT_MaxElementLength2D
+        Functor = self.smeshpyD.GetFunctor(theCriterion)
+        return self.editor.QuadToTriObject(theObject, Functor)
 
     ## Splits quadrangles into triangles.
     #  @param IDsOfElements the faces to be splitted
@@ -2693,7 +2730,8 @@ class Mesh:
         return self.editor.SplitQuad(IDsOfElements, Diag13)
 
     ## Splits quadrangles into triangles.
-    #  @param theObject the object from which the list of elements is taken, this is mesh, submesh or group
+    #  @param theObject the object from which the list of elements is taken,
+    #         this is mesh, submesh or group
     #  @param Diag13    is used to choose a diagonal for splitting.
     #  @return TRUE in case of success, FALSE otherwise.
     #  @ingroup l2_modif_cutquadr
@@ -2704,7 +2742,8 @@ class Mesh:
 
     ## Finds a better splitting of the given quadrangle.
     #  @param IDOfQuad   the ID of the quadrangle to be splitted.
-    #  @param theCriterion  FT_...; a criterion to choose a diagonal for splitting.
+    #  @param theCriterion  is a numerical functor, in terms of enum SMESH.FunctorType, used to
+    #         choose a diagonal for splitting.
     #  @return 1 if 1-3 diagonal is better, 2 if 2-4
     #          diagonal is better, 0 if error occurs.
     #  @ingroup l2_modif_cutquadr
@@ -3641,6 +3680,10 @@ class Mesh:
             theObject = theObject.GetMesh()
         if ( isinstance( theObject, list )):
             theObject = self.GetIDSource(theObject, SMESH.ALL)
+        if ( isinstance( theScaleFact, float )):
+             theScaleFact = [theScaleFact]
+        if ( isinstance( theScaleFact, int )):
+             theScaleFact = [ float(theScaleFact)]
 
         self.mesh.SetParameters(thePoint.parameters)
 
@@ -3661,6 +3704,10 @@ class Mesh:
             theObject = theObject.GetMesh()
         if ( isinstance( theObject, list )):
             theObject = self.GetIDSource(theObject,SMESH.ALL)
+        if ( isinstance( theScaleFact, float )):
+             theScaleFact = [theScaleFact]
+        if ( isinstance( theScaleFact, int )):
+             theScaleFact = [ float(theScaleFact)]
 
         self.mesh.SetParameters(thePoint.parameters)
         mesh = self.editor.ScaleMakeMesh(theObject, thePoint, theScaleFact,
@@ -4038,9 +4085,16 @@ class Mesh:
     def CreateHoleSkin(self, radius, theShape, groupName, theNodesCoords):
         return self.editor.CreateHoleSkin( radius, theShape, groupName, theNodesCoords )
 
+    def _getFunctor(self, funcType ):
+        fn = self.functors[ funcType._v ]
+        if not fn:
+            fn = self.smeshpyD.GetFunctor(funcType)
+            fn.SetMesh(self.mesh)
+            self.functors[ funcType._v ] = fn
+        return fn
+
     def _valueFromFunctor(self, funcType, elemId):
-        fn = self.smeshpyD.GetFunctor(funcType)
-        fn.SetMesh(self.mesh)
+        fn = self._getFunctor( funcType )
         if fn.GetElementType() == self.GetElementType(elemId, True):
             val = fn.GetValue(elemId)
         else:

src/SMESH_SWIG/smesh_algorithm.py

@@ -195,7 +195,7 @@ class Mesh_Algorithm:
             raise RuntimeError, "Attemp to create " + algo + " algoritm on None shape"
         self.mesh = mesh
         name = ""
-        if not geom:
+        if not geom or geom.IsSame( mesh.geom ):
             self.geom = mesh.geom
         else:
             self.geom = geom

src/StdMeshers/StdMeshers_Cartesian_3D.cxx

@@ -84,10 +84,12 @@
 
 using namespace std;
 
+#ifdef _DEBUG_
 //#define _MY_DEBUG_
+#endif
 
 #if OCC_VERSION_LARGE <= 0x06050300
-// workaround it required only for OCCT6.5.3 and older (see OCC22809)
+// workaround is required only for OCCT6.5.3 and older (see OCC22809)
 #define ELLIPSOLID_WORKAROUND
 #endif
 

src/StdMeshers/StdMeshers_CompositeHexa_3D.cxx

@@ -58,17 +58,15 @@
 
 
 #ifdef _DEBUG_
+// #define DEB_FACES
+// #define DEB_GRID
+// #define DUMP_VERT(msg,V) \
+//   { TopoDS_Vertex v = V; gp_Pnt p = BRep_Tool::Pnt(v);                  \
+//     cout << msg << "( "<< p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl;}
+#endif
 
-//#define DEB_FACES
-//#define DEB_GRID
-#define DUMP_VERT(msg,V) \
-// { TopoDS_Vertex v = V; gp_Pnt p = BRep_Tool::Pnt(v);\
-//   cout << msg << "( "<< p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl;}
-
-#else
-
+#ifndef DUMP_VERT
 #define DUMP_VERT(msg,v)
-
 #endif
 
 //================================================================================
@@ -715,7 +713,7 @@ bool _QuadFaceGrid::AddContinuousFace( const _QuadFaceGrid& other )
     const _FaceSide& otherSide = other.GetSide( i );
     int iMyCommon;
     if ( mySides.Contain( otherSide, &iMyCommon ) ) {
-      // check if normals of two faces are collinear at all vertices of a otherSide
+      // check if normals of two faces are collinear at all vertices of an otherSide
       const double angleTol = M_PI / 180. / 2.;
       int iV, nbV = otherSide.NbVertices(), nbCollinear = 0;
       for ( iV = 0; iV < nbV; ++iV )
@@ -740,15 +738,20 @@ bool _QuadFaceGrid::AddContinuousFace( const _QuadFaceGrid& other )
           myChildren.push_back( *this );
           myFace.Nullify();
         }
+
+        // orient new children equally
+        int otherBottomIndex = ( 4 + i - iMyCommon + 2 ) % 4;
         if ( other.IsComplex() )
-          for ( TChildIterator children = other.GetChildren(); children.more(); )
+          for ( TChildIterator children = other.GetChildren(); children.more(); ) {
             myChildren.push_back( children.next() );
-        else
+            myChildren.back().SetBottomSide( myChildren.back().GetSide( otherBottomIndex ));
+          }
+        else {
           myChildren.push_back( other );
+          myChildren.back().SetBottomSide( myChildren.back().GetSide( otherBottomIndex ));
+        }
 
         myLeftBottomChild = 0;
-        //int otherBottomIndex = ( 4 + i - iMyCommon + 2 ) % 4;
-        //myChildren.back().SetBottomSide( other.GetSide( otherBottomIndex ));
 
         // collect vertices in mySides
         if ( other.IsComplex() )

src/StdMeshers/StdMeshers_CompositeSegment_1D.cxx

@@ -396,6 +396,15 @@ bool StdMeshers_CompositeSegment_1D::Compute(SMESH_Mesh &         aMesh,
 
   // Create mesh
 
+  // compute and get nodes on extremity VERTEX'es
+  SMESH_subMesh* smVFirst = aMesh.GetSubMesh( VFirst );
+  smVFirst->SetIsAlwaysComputed( false );
+  smVFirst->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+  //
+  SMESH_subMesh* smVLast = aMesh.GetSubMesh( VLast );
+  smVLast->SetIsAlwaysComputed( false );
+  smVLast->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+  //
   const SMDS_MeshNode * nFirst = SMESH_Algo::VertexNode( VFirst, meshDS );
   const SMDS_MeshNode * nLast  = SMESH_Algo::VertexNode( VLast, meshDS );
   if (!nFirst)

src/StdMeshers/StdMeshers_ProjectionUtils.cxx

@@ -66,6 +66,7 @@
 #include <gp_Vec.hxx>
 
 #include <numeric>
+#include <limits>
 
 using namespace std;
 
@@ -307,7 +308,7 @@ namespace {
     if ( gr1It.Value().ShapeType() == TopAbs_FACE )
     {
       // find a boundary edge of group1 to start from
-      TopoDS_Shape bndEdge = StdMeshers_ProjectionUtils::GetBoundaryEdge( theGroup1, theMesh );
+      TopoDS_Shape bndEdge = HERE::GetBoundaryEdge( theGroup1, theMesh );
       if ( bndEdge.IsNull() )
         return false;
 
@@ -377,40 +378,41 @@ namespace {
    */
   //================================================================================
 
-  TopoDS_Shape getOuterEdge( const TopoDS_Shape theShape1, SMESH_Mesh& mesh )
+  bool getOuterEdges( const TopoDS_Shape        shape,
+                      SMESH_Mesh&               mesh,
+                      std::list< TopoDS_Edge >& allBndEdges )
   {
-    TopoDS_Shape edge;
-    if ( theShape1.ShapeType() == TopAbs_COMPOUND )
+    if ( shape.ShapeType() == TopAbs_COMPOUND )
     {
-      TopoDS_Iterator it( theShape1 );
-      if ( it.Value().ShapeType() == TopAbs_FACE ) // group of FACEs
+      TopoDS_Iterator it( shape );
+      if ( it.More() && it.Value().ShapeType() == TopAbs_FACE ) // group of FACEs
       {
         // look for a boundary EDGE of a group
-        edge = StdMeshers_ProjectionUtils::GetBoundaryEdge( theShape1, mesh );
-        if ( !edge.IsNull() )
-          return edge;
+        StdMeshers_ProjectionUtils::GetBoundaryEdge( shape, mesh, &allBndEdges );
+        if ( !allBndEdges.empty() )
+          return true;
       }
     }
-    edge = theShape1;
-    TopExp_Explorer expF( theShape1, TopAbs_FACE ), expE;
+    TopExp_Explorer expF( shape, TopAbs_FACE ), expE;
     if ( expF.More() ) {
       for ( ; expF.More(); expF.Next() ) {
-        edge.Nullify();
         TopoDS_Shape wire =
           StdMeshers_ProjectionUtils::OuterShape( TopoDS::Face( expF.Current() ), TopAbs_WIRE );
-        for ( expE.Init( wire, TopAbs_EDGE ); edge.IsNull() && expE.More(); expE.Next() )
+        for ( expE.Init( wire, TopAbs_EDGE ); expE.More(); expE.Next() )
           if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( expE.Current() )))
-            edge = expE.Current();
-        if ( !edge.IsNull() )
-          break;
+            allBndEdges.push_back( TopoDS::Edge( expE.Current() ));
       }
-    } else if (edge.ShapeType() != TopAbs_EDGE) { // no faces
-      edge.Nullify();
-      for ( expE.Init( theShape1, TopAbs_EDGE ); edge.IsNull() && expE.More(); expE.Next() )
-        if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( expE.Current() )))
-          edge = expE.Current();
     }
-    return edge;
+    else if ( shape.ShapeType() != TopAbs_EDGE) { // no faces
+      for ( expE.Init( shape, TopAbs_EDGE ); expE.More(); expE.Next() )
+        if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( expE.Current() )))
+          allBndEdges.push_back( TopoDS::Edge( expE.Current() ));
+    }
+    else if ( shape.ShapeType() == TopAbs_EDGE ) {
+      if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( shape )))
+        allBndEdges.push_back( TopoDS::Edge( shape ));
+    }
+    return !allBndEdges.empty();
   }
 
 } // namespace
@@ -1175,29 +1177,64 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the
   // Find 2 closest vertices
 
   // get 2 linked vertices of shape 1 not belonging to an inner wire of a face
-  TopoDS_Shape edge = getOuterEdge( theShape1, *theMesh1 );
-  if ( edge.IsNull() || edge.ShapeType() != TopAbs_EDGE )
+  std::list< TopoDS_Edge > allBndEdges1;
+  if ( !getOuterEdges( theShape1, *theMesh1, allBndEdges1 ))
     RETURN_BAD_RESULT("Edge not found");
 
-  TopExp::Vertices( TopoDS::Edge( edge.Oriented(TopAbs_FORWARD)), VV1[0], VV1[1]);
-  if ( VV1[0].IsSame( VV1[1] ))
-    RETURN_BAD_RESULT("Only closed edges");
-
-  // find vertices closest to 2 linked vertices of shape 1
-  for ( int i1 = 0; i1 < 2; ++i1 )
+  std::list< TopoDS_Edge >::iterator edge1 = allBndEdges1.begin();
+  double minDist = std::numeric_limits<double>::max();
+  for ( int nbChecked=0; edge1 != allBndEdges1.end() && nbChecked++ < 10; ++edge1 )
   {
-    double dist2 = DBL_MAX;
-    gp_Pnt p1 = BRep_Tool::Pnt( VV1[ i1 ]);
-    p1.Translate( vec01 );
-    p1.Scale( gc[1], scale );
-    for ( int i2 = 1; i2 <= vMap2.Extent(); ++i2 )
+    TopExp::Vertices( TopoDS::Edge( edge1->Oriented(TopAbs_FORWARD)), VV1[0], VV1[1]);
+    if ( VV1[0].IsSame( VV1[1] ))
+      continue;//RETURN_BAD_RESULT("Only closed edges");
+
+    // find vertices closest to 2 linked vertices of shape 1
+    double dist2[2] = { 1e+100, 1e+100 };
+    TopoDS_Vertex edge2VV[2];
+    for ( int i1 = 0; i1 < 2; ++i1 )
     {
-      TopoDS_Vertex V2 = TopoDS::Vertex( vMap2( i2 ));
-      gp_Pnt p2 = BRep_Tool::Pnt ( V2 );
-      double d2 = p1.SquareDistance( p2 );
-      if ( d2 < dist2 && !V2.IsSame( VV2[ 0 ])) {
-        VV2[ i1 ] = V2; dist2 = d2;
+      gp_Pnt p1 = BRep_Tool::Pnt( VV1[ i1 ]);
+      p1.Scale( gc[0], scale );
+      p1.Translate( vec01 );
+      if ( !i1 ) {
+        // select a closest vertex among all ones in vMap2
+        for ( int i2 = 1; i2 <= vMap2.Extent(); ++i2 )
+        {
+          TopoDS_Vertex V2 = TopoDS::Vertex( vMap2( i2 ));
+          gp_Pnt        p2 = BRep_Tool::Pnt ( V2 );
+          double        d2 = p1.SquareDistance( p2 );
+          if ( d2 < dist2[ 0 ] && d2 < minDist ) {
+            edge2VV[ 0 ] = V2;
+            dist2  [ 0 ] = d2;
+          }
+        }
       }
+      else if ( !edge2VV[0].IsNull() ) {
+        // select a closest vertex among ends of edges meeting at edge2VV[0]
+        PShapeIteratorPtr edgeIt = SMESH_MesherHelper::GetAncestors( edge2VV[0],
+                                                                     *theMesh2, TopAbs_EDGE);
+        while ( const TopoDS_Shape* edge2 = edgeIt->next() )
+          for ( TopoDS_Iterator itV2( *edge2 ); itV2.More(); itV2.Next() )
+          {
+            if ( itV2.Value().IsSame( edge2VV[ 0 ])) continue;
+            if ( !vMap2.Contains( itV2.Value()    )) continue;
+            TopoDS_Vertex V2 = TopoDS::Vertex( itV2.Value() );
+            gp_Pnt        p2 = BRep_Tool::Pnt ( V2 );
+            double        d2 = p1.SquareDistance( p2 );
+            if ( d2 < dist2[1] && d2 < minDist ) {
+              edge2VV[ 1 ] = V2;
+              dist2  [ 1 ] = d2;
+            }
+          }
+      }
+    }
+    if ( dist2[0] + dist2[1] < minDist ) {
+      VV2[0] = edge2VV[0];
+      VV2[1] = edge2VV[1];
+      minDist = dist2[0] + dist2[1];
+      if ( minDist < 1e-10 )
+        break;
     }
   }
 
@@ -1248,8 +1285,13 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face&    face1,
          SMESH_Block::GetOrderedEdges( face2, VV2[0], edges2, nbEInW2, outer_wire_algo) )
       CONT_BAD_RESULT("Different number of wires in faces ");
 
-    if ( nbEInW1 != nbEInW2 )
-      CONT_BAD_RESULT("Different number of edges in faces: " <<
+    if ( nbEInW1 != nbEInW2 && outer_wire_algo == 0 &&
+         ( std::accumulate( nbEInW1.begin(), nbEInW1.end(), 0) !=
+           std::accumulate( nbEInW2.begin(), nbEInW2.end(), 0)))
+      RETURN_BAD_RESULT("Different number of edges in faces");
+
+    if ( nbEInW1.front() != nbEInW2.front() )
+      CONT_BAD_RESULT("Different number of edges in the outer wire: " <<
                       nbEInW1.front() << " != " << nbEInW2.front());
 
     i_ok_wire_algo = outer_wire_algo;
@@ -1300,6 +1342,7 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face&    face1,
   } // loop algos getting an outer wire
   
   // Try to orient all (if !OK) or only internal wires (issue 0020996) by UV similarity
+
   if (( !OK || nbEInW1.size() > 1 ) && i_ok_wire_algo > -1 )
   {
     // Check that Vec(VV1[0],VV1[1]) in 2D on face1 is the same
@@ -1325,44 +1368,66 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face&    face1,
         SMESH_Block::GetOrderedEdges( face2, VV2[0], edges2, nbEInW2, i_ok_wire_algo);
       }
       gp_XY dUV = v0f2UV.XY() - v0f1UV.XY(); // UV shift between 2 faces
+      //
       // skip edges of the outer wire (if the outer wire is OK)
-      list< int >::iterator nbEInW = nbEInW1.begin();
-      list< TopoDS_Edge >::iterator edge1Beg = edges1.begin(), edge2Beg = edges2.begin();
-      if ( OK )
+      list< int >::iterator nbE2, nbE1 = nbEInW1.begin();
+      list< TopoDS_Edge >::iterator edge2Beg, edge1Beg = edges1.begin();
+      if ( OK ) std::advance( edge1Beg, *nbE1++ );
+      // reach an end of edges of a current wire1
+      list< TopoDS_Edge >::iterator edge2End, edge1End;
+      //
+      // find corresponding wires of face2
+      for ( int iW1 = OK; nbE1 != nbEInW1.end(); ++nbE1, ++iW1 ) // loop on wires of face1
       {
-        for ( int i = 0; i < *nbEInW; ++i )
-          ++edge1Beg, ++edge2Beg;
-        ++nbEInW;
-      }
-      for ( ; nbEInW != nbEInW1.end(); ++nbEInW ) // loop on wires
-      {
-        // reach an end of edges of a current wire
-        list< TopoDS_Edge >::iterator edge1End = edge1Beg, edge2End = edge2Beg;
-        for ( int i = 0; i < *nbEInW; ++i )
-          ++edge1End, ++edge2End;
-        // rotate edges2 untill coincident with edges1 in 2D
+        // reach an end of edges of a current wire1
+        edge1End = edge1Beg;
+        std::advance( edge1End, *nbE1 );
+        // UV on face1 to find on face2
         v0f1UV = BRep_Tool::Parameters( TopExp::FirstVertex(*edge1Beg,true), face1 );
         v1f1UV = BRep_Tool::Parameters( TopExp::LastVertex (*edge1Beg,true), face1 );
         v0f1UV.ChangeCoord() += dUV;
         v1f1UV.ChangeCoord() += dUV;
-        int i = *nbEInW;
-        while ( --i > 0 && !sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV ))
-          edges2.splice( edge2End, edges2, edge2Beg++ ); // move edge2Beg to place before edge2End
-        if ( sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV ))
+        //
+        // look through wires of face2
+        edge2Beg = edges2.begin();
+        nbE2     = nbEInW2.begin();
+        if ( OK ) std::advance( edge2Beg, *nbE2++ );
+        for ( int iW2 = OK; nbE2 != nbEInW2.end(); ++nbE2, ++iW2 ) // loop on wires of face2
         {
-          if ( nbEInW == nbEInW1.begin() )
-            OK = true; // OK is for the first wire
-          // reverse edges2 if needed
-          if ( !sameVertexUV( *edge2Beg, face2, 1, v1f1UV, vTolUV ))
+          // reach an end of edges of a current wire2
+          edge2End = edge2Beg;
+          std::advance( edge2End, *nbE2 );
+          if ( *nbE1 == *nbE2 && iW2 >= iW1 )
           {
-            Reverse( edges2 , *nbEInW, distance( edges2.begin(),edge2Beg ));
-            // set correct edge2End
-            edge2End = edges2.begin();
-            std::advance( edge2End, std::accumulate( nbEInW1.begin(), nbEInW, *nbEInW));
+            // rotate edge2 untill coincidence with edge1 in 2D
+            int i = *nbE2;
+            while ( i-- > 0 && !sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV ))
+              // move edge2Beg to place before edge2End
+              edges2.splice( edge2End, edges2, edge2Beg++ );
+
+            if ( sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV ))
+            {
+              if ( iW1 == 0 ) OK = true; // OK is for the first wire
+              // reverse edges2 if needed
+              if ( !sameVertexUV( *edge2Beg, face2, 1, v1f1UV, vTolUV ))
+                Reverse( edges2 , *nbE2, std::distance( edges2.begin(),edge2Beg ));
+              // put wire2 at a right place within edges2
+              if ( iW1 != iW2 ) {
+                list< TopoDS_Edge >::iterator place2 = edges2.begin();
+                std::advance( place2, std::distance( edges1.begin(), edge1Beg ));
+                edges2.splice( place2, edges2, edge2Beg, edge2End );
+                // move nbE2 as well
+                list< int >::iterator placeNbE2 = nbEInW2.begin();
+                std::advance( placeNbE2, iW1 );
+                nbEInW2.splice( placeNbE2, nbEInW2, nbE2 );
+              }
+              break;
+            }
           }
+          // prepare to the next wire loop
+          edge2Beg = edge2End;
         }
-        // prepare to the next wire loop
-        edge1Beg = edge1End, edge2Beg = edge2End;
+        edge1Beg = edge1End;
       }
     }
   }
@@ -1370,7 +1435,7 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face&    face1,
   const int nbEdges = nbEInW1.front();
   if ( OK && nbEdges == 2 )
   {
-    // if a wire includes 2 edges, it's impossible to associate them using
+    // if wires include 2 edges, it's impossible to associate them using
     // topological information only. Try to use length of edges for association.
     double l1[2], l2[2];
     edgeIt = edges1.begin();
@@ -2064,8 +2129,9 @@ int StdMeshers_ProjectionUtils::Count(const TopoDS_Shape&    shape,
  */
 //================================================================================
 
-TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edgeContainer,
-                                                        const SMESH_Mesh&   mesh)
+TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape&       edgeContainer,
+                                                        const SMESH_Mesh&         mesh,
+                                                        std::list< TopoDS_Edge >* allBndEdges)
 {
   TopTools_IndexedMapOfShape facesOfEdgeContainer, facesNearEdge;
   TopExp::MapShapes( edgeContainer, TopAbs_FACE, facesOfEdgeContainer );
@@ -2080,8 +2146,12 @@ TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edge
         if ( facesOfEdgeContainer.Contains( *face ))
           if ( facesNearEdge.Add( *face ) && facesNearEdge.Extent() > 1 )
             break;
-      if ( facesNearEdge.Extent() == 1 )
-        return edge;
+      if ( facesNearEdge.Extent() == 1 ) {
+        if ( allBndEdges )
+          allBndEdges->push_back( edge );
+        else
+          return edge;
+      }
     }
 
   return TopoDS_Edge();

src/StdMeshers/StdMeshers_ProjectionUtils.hxx

@@ -220,8 +220,9 @@ class StdMeshers_ProjectionUtils
   /*!
    * \brief Return a boundary EDGE of edgeContainer
    */
-  static TopoDS_Edge GetBoundaryEdge(const TopoDS_Shape& edgeContainer,
-                                     const SMESH_Mesh&   mesh);
+  static TopoDS_Edge GetBoundaryEdge(const TopoDS_Shape&       edgeContainer,
+                                     const SMESH_Mesh&         mesh,
+                                     std::list< TopoDS_Edge >* allBndEdges = 0 );
 };
 
 #endif

src/StdMeshers/StdMeshers_Quadrangle_2D.cxx

@@ -831,10 +831,6 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh &         aMes
         }
         if (!E1.IsNull() && !E2.IsNull() && !E3.IsNull())
         {
-          if ( myProxyMesh->GetProxySubMesh( E1 ) ||
-               myProxyMesh->GetProxySubMesh( E2 ) ||
-               myProxyMesh->GetProxySubMesh( E3 ) )
-            
           quad->side.push_back(new StdMeshers_FaceSide(F, E1, &aMesh, true,
                                                        ignoreMediumNodes, myProxyMesh));
           quad->side.push_back(new StdMeshers_FaceSide(F, E2, &aMesh, true,

src/StdMeshers/StdMeshers_Regular_1D.cxx

@@ -560,17 +560,20 @@ void StdMeshers_Regular_1D::redistributeNearVertices (SMESH_Mesh &          theM
         double Um = *itU++;
         double Lm = GCPnts_AbscissaPoint::Length( theC3d, Um, *itU);
         double L = GCPnts_AbscissaPoint::Length( theC3d, *itU, l);
-        StdMeshers_Regular_1D algo( *this );
-        algo._hypType = BEG_END_LENGTH;
-        algo._value[ BEG_LENGTH_IND ] = Lm;
-        algo._value[ END_LENGTH_IND ] = vertexLength;
+        static StdMeshers_Regular_1D* auxAlgo = 0;
+        if ( !auxAlgo ) {
+          auxAlgo = new StdMeshers_Regular_1D( _gen->GetANewId(), _studyId, _gen );
+          auxAlgo->_hypType = BEG_END_LENGTH;
+        }
+        auxAlgo->_value[ BEG_LENGTH_IND ] = Lm;
+        auxAlgo->_value[ END_LENGTH_IND ] = vertexLength;
         double from = *itU, to = l;
         if ( isEnd1 ) {
           std::swap( from, to );
-          std::swap( algo._value[ BEG_LENGTH_IND ], algo._value[ END_LENGTH_IND ]);
+          std::swap( auxAlgo->_value[ BEG_LENGTH_IND ], auxAlgo->_value[ END_LENGTH_IND ]);
         }
         list<double> params;
-        if ( algo.computeInternalParameters( theMesh, theC3d, L, from, to, params, false ))
+        if ( auxAlgo->computeInternalParameters( theMesh, theC3d, L, from, to, params, false ))
         {
           if ( isEnd1 ) params.reverse();
           while ( 1 + nHalf-- )

src/StdMeshers/StdMeshers_ViscousLayers.cxx

@@ -265,6 +265,7 @@ namespace VISCOUS_3D
   {
     double _r; // radius
     double _k; // factor to correct node smoothed position
+    double _h2lenRatio; // avgNormProj / (2*avgDist)
   public:
     static _Curvature* New( double avgNormProj, double avgDist )
     {
@@ -275,10 +276,12 @@ namespace VISCOUS_3D
         c->_r = avgDist * avgDist / avgNormProj;
         c->_k = avgDist * avgDist / c->_r / c->_r;
         c->_k *= ( c->_r < 0 ? 1/1.1 : 1.1 ); // not to be too restrictive
+        c->_h2lenRatio = avgNormProj / ( avgDist + avgDist );
       }
       return c;
     }
     double lenDelta(double len) const { return _k * ( _r + len ); }
+    double lenDeltaByDist(double dist) const { return dist * _h2lenRatio; }
   };
   struct _LayerEdge;
   //--------------------------------------------------------------------------------
@@ -730,27 +733,30 @@ namespace
     gp_XYZ dir(0,0,0);
     if ( !( ok = ( edges.size() > 0 ))) return dir;
     // get average dir of edges going fromV
-    gp_Vec edgeDir;
-    for ( unsigned i = 0; i < edges.size(); ++i )
-    {
-      edgeDir = getEdgeDir( edges[i], fromV );
-      double size2 = edgeDir.SquareMagnitude();
-      if ( size2 > numeric_limits<double>::min() )
-        edgeDir /= sqrt( size2 );
-      else
-        ok = false;
-      dir += edgeDir.XYZ();
-    }
+    gp_XYZ edgeDir;
+    //if ( edges.size() > 1 )
+      for ( unsigned i = 0; i < edges.size(); ++i )
+      {
+        edgeDir = getEdgeDir( edges[i], fromV );
+        double size2 = edgeDir.SquareModulus();
+        if ( size2 > numeric_limits<double>::min() )
+          edgeDir /= sqrt( size2 );
+        else
+          ok = false;
+        dir += edgeDir;
+      }
     gp_XYZ fromEdgeDir = getFaceDir( F, edges[0], node, helper, ok );
-    if ( edges.size() == 1 || dir.SquareModulus() < 1e-10)
+    if ( edges.size() == 1 )
       dir = fromEdgeDir;
+    else if ( dir.SquareModulus() < 0.1 ) // ~< 20 degrees
+      dir = fromEdgeDir + getFaceDir( F, edges[1], node, helper, ok );
     else if ( dir * fromEdgeDir < 0 )
       dir *= -1;
     if ( ok )
     {
       //dir /= edges.size();
       if ( cosin ) {
-        double angle = edgeDir.Angle( dir );
+        double angle = gp_Vec( edgeDir ).Angle( dir );
         *cosin = cos( angle );
       }
     }
@@ -1385,7 +1391,7 @@ bool _ViscousBuilder::makeLayer(_SolidData& data)
   if ( data._stepSize < 1. )
     data._epsilon *= data._stepSize;
 
-  // Put _LayerEdge's into a vector
+  // Put _LayerEdge's into the vector data._edges
 
   if ( !sortEdges( data, edgesByGeom ))
     return false;
@@ -1709,8 +1715,8 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge&         edge,
     }
     case SMDS_TOP_VERTEX: {
       TopoDS_Vertex V = TopoDS::Vertex( helper.GetSubShapeByNode( node, getMeshDS()));
-      gp_Vec inFaceDir = getFaceDir( F, V, node, helper, normOK);
-      double angle = inFaceDir.Angle( edge._normal ); // [0,PI]
+      gp_XYZ inFaceDir = getFaceDir( F, V, node, helper, normOK);
+      double angle = gp_Vec( inFaceDir).Angle( edge._normal ); // [0,PI]
       edge._cosin = cos( angle );
       //cout << "Cosin on VERTEX " << edge._cosin << " node " << node->GetID() << endl;
       break;
@@ -2858,7 +2864,7 @@ bool _LayerEdge::FindIntersection( SMESH_ElementSearcher&   searcher,
     }
     if ( intFound )
     {
-      if ( dist < segLen*(1.01))
+      if ( dist < segLen*(1.01) && dist > -(_len-segLen) )
         segmentIntersected = true;
       if ( distance > dist )
         distance = dist, iFace = j;
@@ -3061,7 +3067,8 @@ bool _LayerEdge::SmoothOnEdge(Handle(Geom_Surface)& surface,
   double lenDelta = 0;
   if ( _curvature )
   {
-    lenDelta = _curvature->lenDelta( _len );
+    //lenDelta = _curvature->lenDelta( _len );
+    lenDelta = _curvature->lenDeltaByDist( dist01 );
     newPos.ChangeCoord() += _normal * lenDelta;
   }
 

src/Tools/MeshCut/Makefile.am

@@ -40,7 +40,7 @@ MeshCut_SOURCES = \
 
 MeshCut_CPPFLAGS =  $(MED3_INCLUDES)
 
-MeshCut_LDFLAGS =  $(MED3_LIBS) $(HDF5_LIBS)
+MeshCut_LDFLAGS =  $(MED3_LIBS_C_ONLY) $(HDF5_LIBS)
 
 salomeplugins_PYTHON = \
 	meshcut_plugin.py

src/Tools/YamsPlug/YamsPlugDialog.ui

@@ -105,7 +105,7 @@
       </font>
      </property>
      <property name="currentIndex">
-      <number>1</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="simple">
       <attribute name="title">

src/Tools/YamsPlug/monYamsPlugDialog.py

@@ -62,10 +62,13 @@ class MonYamsPlugDialog(Ui_YamsPlugDialog,QWidget):
   def PBHelpPressed(self):
         try :
           maDoc=os.environ['DISTENE_YAMS_DOC_PDF']
-          commande='kpdf '+maDoc
-          os.system (commande)
-        except:
+        except Exception:
           QMessageBox.warning( self, "Help unavailable", str(maDoc) + " not found")
+        old_ld=os.getenv("LD_LIBRARY_PATH")
+        command="unset LD_LIBRARY_PATH;"
+        command+="xdg-open "+maDoc+";"
+        command+="export LD_LIBRARY_PATH=%s"%old_ld
+        os.system(command)
 
 
   def PBOKPressed(self):
@@ -233,7 +236,7 @@ class MonYamsPlugDialog(Ui_YamsPlugDialog,QWidget):
   def prepareFichier(self):
       self.fichierIn="/tmp/PourYam_"+str(self.num)+".mesh"
       import SMESH
-      self.__selectedMesh.ExportGMF(self.__selectedMesh,self.fichierIn)
+      self.__selectedMesh.ExportGMF(self.__selectedMesh,self.fichierIn, True)
 
   def PrepareLigneCommande(self):
       self.commande="yams "