Minor DOC changes

doc/salome/examples/3dmesh.py

@@ -1,4 +1,4 @@
-# 3d mesh generation
+# 3d mesh generation and mesh exploration
 
 import salome
 salome.salome_init()
@@ -76,3 +76,20 @@ tetra.Compute()
 
 # Create a mesh group of all triangles generated on geom faces present in faces_group
 group = tetra.Group(faces_group)
+
+###
+# Explore the mesh
+###
+
+# Retrieve coordinates of nodes
+coordStr = ""
+for node in tetra.GetNodesId():
+    x,y,z = tetra.GetNodeXYZ( node )
+    coordStr += "%s (%s, %s, %s) " % ( node, x,y,z )
+    pass
+
+# Retrieve nodal connectivity of triangles
+triaStr = ""
+for tria in tetra.GetElementsByType( SMESH.FACE ):
+    nodes = tetra.GetElemNodes( tria )
+    triaStr += "%s (%s, %s, %s) " % ( tria, nodes[0], nodes[1], nodes[2] )

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

@@ -18,7 +18,7 @@ in the \ref smeshBuilder and \ref StdMeshersBuilder Python packages.
 Class \ref smeshBuilder.smeshBuilder "smeshBuilder" provides an interface to create and handle
 meshes. It can be used to create an empty mesh or to import mesh from the data file.
 
-As soon as mesh is created, it is possible to manage it via its own
+As soon as a mesh is created, it is possible to manage it via its own
 methods, described in class \ref smeshBuilder.Mesh "Mesh" documentation.
 
 Class \ref smeshstudytools.SMeshStudyTools "SMeshStudyTools" provides several methods to manipulate mesh objects in Salome study. 
@@ -57,7 +57,7 @@ A usual workflow to generate a mesh on geometry is following:
     <pre>
       \ref Mesh.Compute "mesh.Compute"()
     </pre>
-    </li>
+  </li>
 </ol>
 
 An easiest way to start with Python scripting is to do something in
@@ -68,7 +68,8 @@ by calling \a dir() Python built-in function.
 
 All methods of the Mesh Group can be found in \ref tui_create_standalone_group sample script.
 
-An example below demonstrates usage of the Python API for 3d mesh generation. 
+An example below demonstrates usage of the Python API for 3d mesh
+generation and for retrieving information on mesh nodes and elements.
 
 \anchor example_3d_mesh
 <h2>Example of 3d mesh generation:</h2>

doc/salome/gui/SMESH/input/tui_work_on_objects_from_gui.doc

@@ -4,16 +4,23 @@
 
 It is sometimes useful to work alternatively in the GUI of SALOME and in the Python Console. To fetch an object from the TUI simply type:
 
-\code
+\code{.py}
-myMesh_ref = salome.IDToObject("ID")  
+myMesh_ref = salome.IDToObject( ID )
-// were ID is the string looking like "0:1:2:3" that appears in the object browser in the Entry column 
+# were ID is a string looking like "0:1:2:3" that appears in the Object Browser in the Entry column.
-// ( If hidden show it by right clicking and checking the checkbox Entry)
+# ( If hidden, show it by right clicking and checking the checkbox Entry )
 myMesh = smesh.Mesh(myMesh_ref)
 \endcode
 or 
-\code
+\code{.py}
 myMesh_ref = salome.myStudy.FindObjectByPath("/Mesh/myMesh").GetObject() 
-// "/Mesh/myMesh" is the path to the desired object in the object browser
+#'/Mesh/myMesh' is a path to the desired object in the Object Browser
+myMesh = smesh.Mesh(myMesh_ref)
+\endcode
+or 
+\code{.py}
+# get a selected mesh
+from salome.gui import helper
+myMesh_ref = helper.getSObjectSelected()[0].GetObject() 
 myMesh = smesh.Mesh(myMesh_ref)
 \endcode
 

src/SMESH/SMESH_MeshEditor.cxx

@@ -2124,7 +2124,7 @@ namespace
 
     // No adjacent prisms. Select a variant with a best aspect ratio.
 
-    double badness[2] = { 0, 0 };
+    double badness[2] = { 0., 0. };
     static SMESH::Controls::NumericalFunctorPtr aspectRatio( new SMESH::Controls::AspectRatio);
     const SMDS_MeshNode** nodes = vol.GetNodes();
     for ( int variant = 0; variant < nbVariants; ++variant )