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0019939: EDF 762 SMESH : Definition of groups from other existing groups.

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Script for creating group of underlying entities added
Scripts for boolean operations updated with new method calls
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sln 2008-11-28 09:13:07 +00:00
parent 82e3efc6ff
commit 67bf00baef
1 changed files with 65 additions and 12 deletions
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77
doc/salome/gui/SMESH/input/tui_grouping_elements.doc
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@ -123,8 +123,8 @@ salome.sg.updateObjBrowser(1)
\image html editing_groups2.png \image html editing_groups2.png
<br> <br>
\anchor tui_union_of_two_groups \anchor tui_union_of_groups
<h2>Union of two groups</h2> <h2>Union of groups</h2>
\code \code
import SMESH_mechanic import SMESH_mechanic
@ -141,7 +141,7 @@ anIds = mesh.GetIdsFromFilter(aFilter)
print "Criterion: Area > 20, Nb = ", len( anIds ) print "Criterion: Area > 20, Nb = ", len( anIds )
# create a group by adding elements with area > 20 # create a group by adding elements with area > 20
aGroup1 = mesh.CreateEmptyGroup(SMESH.FACE, "Area > 20") aGroup1 = mesh.CreateEmptyGroup(smesh.FACE, "Area > 20")
aGroup1.Add(anIds) aGroup1.Add(anIds)
# Criterion : AREA = 20 # Criterion : AREA = 20
@ -157,8 +157,9 @@ aGroup2 = mesh.CreateEmptyGroup( smesh.FACE, "Area = 20" )
aGroup2.Add(anIds) aGroup2.Add(anIds)
# create union group : area >= 20 # create union group : area >= 20
aGroup3 = mesh.UnionGroups(aGroup1, aGroup2, "Area >= 20") aGroup3 = mesh.UnionListOfGroups([aGroup1, aGroup2], "Area >= 20")
print "Criterion: Area >= 20, Nb = ", len(aGroup3.GetListOfID()) print "Criterion: Area >= 20, Nb = ", len(aGroup3.GetListOfID())
# Please note that also there is UnionGroups() method which works with two groups only
# Criterion : AREA < 20 # Criterion : AREA < 20
aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, 20.) aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, 20.)
@ -172,7 +173,7 @@ aGroup4 = mesh.CreateEmptyGroup(smesh.FACE, "Area < 20")
aGroup4.Add(anIds) aGroup4.Add(anIds)
# create union group : area >= 20 and area < 20 # create union group : area >= 20 and area < 20
aGroup5 = mesh.UnionGroups(aGroup3, aGroup4, "Any Area") aGroup5 = mesh.UnionListOfGroups([aGroup3, aGroup4], "Any Area")
print "Criterion: Any Area, Nb = ", len(aGroup5.GetListOfID()) print "Criterion: Any Area, Nb = ", len(aGroup5.GetListOfID())
salome.sg.updateObjBrowser(1) salome.sg.updateObjBrowser(1)
@ -185,8 +186,8 @@ salome.sg.updateObjBrowser(1)
\image html union_groups3.png \image html union_groups3.png
<br> <br>
\anchor tui_intersection_of_two_groups \anchor tui_intersection_of_groups
<h2>Intersection of two groups</h2> <h2>Intersection of groups</h2>
\code \code
import SMESH_mechanic import SMESH_mechanic
@ -203,7 +204,7 @@ anIds = mesh.GetIdsFromFilter(aFilter)
print "Criterion: Area > 20, Nb = ", len(anIds) print "Criterion: Area > 20, Nb = ", len(anIds)
# create a group by adding elements with area > 20 # create a group by adding elements with area > 20
aGroup1 = mesh.CreateEmptyGroup(SMESH.FACE, "Area > 20") aGroup1 = mesh.CreateEmptyGroup(smesh.FACE, "Area > 20")
aGroup1.Add(anIds) aGroup1.Add(anIds)
# Criterion : AREA < 60 # Criterion : AREA < 60
@ -214,12 +215,13 @@ anIds = mesh.GetIdsFromFilter(aFilter)
print "Criterion: Area < 60, Nb = ", len(anIds) print "Criterion: Area < 60, Nb = ", len(anIds)
# create a group by adding elements with area < 60 # create a group by adding elements with area < 60
aGroup2 = mesh.CreateEmptyGroup(SMESH.FACE, "Area < 60") aGroup2 = mesh.CreateEmptyGroup(smesh.FACE, "Area < 60")
aGroup2.Add(anIds) aGroup2.Add(anIds)
# create an intersection of groups : 20 < area < 60 # create an intersection of groups : 20 < area < 60
aGroup3 = mesh.IntersectGroups(aGroup1, aGroup2, "20 < Area < 60") aGroup3 = mesh.IntersectListOfGroups([aGroup1, aGroup2], "20 < Area < 60")
print "Criterion: 20 < Area < 60, Nb = ", len(aGroup3.GetListOfID()) print "Criterion: 20 < Area < 60, Nb = ", len(aGroup3.GetListOfID())
# Please note that also there is IntersectGroups() method which works with two groups only
salome.sg.updateObjBrowser(1) salome.sg.updateObjBrowser(1)
\endcode \endcode
@ -231,8 +233,8 @@ salome.sg.updateObjBrowser(1)
\image html intersect_groups3.png \image html intersect_groups3.png
<br> <br>
\anchor tui_cut_of_two_groups \anchor tui_cut_of_groups
<h2>Cut of two groups</h2> <h2>Cut of groups</h2>
\code \code
import SMESH_mechanic import SMESH_mechanic
@ -264,6 +266,7 @@ aGroupTool = mesh.MakeGroupByIds("Area < 60", smesh.FACE, anIds)
# create a cut of groups : area >= 60 # create a cut of groups : area >= 60
aGroupRes = mesh.CutGroups(aGroupMain, aGroupTool, "Area >= 60") aGroupRes = mesh.CutGroups(aGroupMain, aGroupTool, "Area >= 60")
print "Criterion: Area >= 60, Nb = ", len(aGroupRes.GetListOfID()) print "Criterion: Area >= 60, Nb = ", len(aGroupRes.GetListOfID())
# Please note that also there is CutListOfGroups() method which works with lists of groups of any lengths
salome.sg.updateObjBrowser(1) salome.sg.updateObjBrowser(1)
\endcode \endcode
@ -274,4 +277,54 @@ salome.sg.updateObjBrowser(1)
\image html cut_groups3.png \image html cut_groups3.png
<br>
\anchor tui_create_dim_group
<h2>Creating groups of entities from existing groups of superior dimensions</h2>
\code
import SMESH_mechanic
smesh = SMESH_mechanic.smesh
mesh = SMESH_mechanic.mesh
salome = SMESH_mechanic.salome
# Criterion : AREA > 100
aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_MoreThan, 100.)
anIds = mesh.GetIdsFromFilter(aFilter)
print "Criterion: Area > 100, Nb = ", len(anIds)
# create a group by adding elements with area > 100
aSrcGroup1 = mesh.MakeGroupByIds("Area > 100", smesh.FACE, anIds)
# Criterion : AREA < 30
aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, 30.)
anIds = mesh.GetIdsFromFilter(aFilter)
print "Criterion: Area < 30, Nb = ", len(anIds)
# create a group by adding elements with area < 30
aSrcGroup2 = mesh.MakeGroupByIds("Area < 30", smesh.FACE, anIds)
# Create group of edges using source groups of faces
aGrp = mesh.CreateDimGroup( [aSrcGroup1, aSrcGroup2], smesh.EDGE, "Edges" )
# Create group of nodes using source groups of faces
aGrp = mesh.CreateDimGroup( [aSrcGroup1, aSrcGroup2], smesh.NODE, "Nodes" )
salome.sg.updateObjBrowser(1)
\endcode
\image html dimgroup_tui1.png
<center>Source groups of faces<\center>
\image html dimgroup_tui2.png
<center>Result groups of edges and nodes<\center>
*/ */