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023456: EDF 11308 - ExtrusionSweepObjects : link to examples
authoreap <eap@opencascade.com>
Wed, 21 Jun 2017 11:23:17 +0000 (14:23 +0300)
committereap <eap@opencascade.com>
Wed, 21 Jun 2017 11:23:17 +0000 (14:23 +0300)
doc/salome/examples/modifying_meshes_ex22.py
doc/salome/gui/SMESH/doxyfile_py.in
src/SMESH_SWIG/smeshBuilder.py

index b4f5f3c..8444ee5 100644 (file)
@@ -1,34 +1,90 @@
 # Extrusion
 
 
-import salome
+import salome, math
 salome.salome_init()
-import GEOM
 from salome.geom import geomBuilder
 geompy = geomBuilder.New(salome.myStudy)
 
-import SMESH, SALOMEDS
+import SMESH
 from salome.smesh import smeshBuilder
 smesh =  smeshBuilder.New(salome.myStudy)
 
-import SMESH_mechanic
+# create an empty mesh
+mesh = smesh.Mesh() 
 
-#smesh = SMESH_mechanic.smesh
-mesh = SMESH_mechanic.mesh 
+# add a node
+mesh.AddNode( 0.,0.,0. )
 
-# select the top face
-faces = geompy.SubShapeAllSorted(SMESH_mechanic.shape_mesh, geompy.ShapeType["FACE"])
-face = faces[7]
-geompy.addToStudyInFather(SMESH_mechanic.shape_mesh, face, "face circular top")
+# extrude a node into a line of 10 segments along the X axis
+ids = mesh.GetNodesId()
+stepVector = [1.,0.,0.]
+nbSteps = 10
+mesh.ExtrusionSweep( ids, stepVector, nbSteps, IsNodes=True )
 
-# create a vector for extrusion
-point = SMESH.PointStruct(0., 0., 5.)
-vector = SMESH.DirStruct(point)
+# create some groups
+lastNode      = mesh.GetNodesId()[-1]
+lastNodeGroup = mesh.MakeGroupByIds( "node %s"% lastNode, SMESH.NODE, [lastNode])
+lineGroup     = mesh.MakeGroupByIds( "line", SMESH.EDGE, mesh.GetElementsId() )
 
-# create a group to be extruded
-GroupTri = mesh.GroupOnGeom(face, "Group of faces (extrusion)", SMESH.FACE)
+# rotate the segments around the first node to get a mesh of a disk quarter
+axisZ  = [0.,0.,0., 0.,0.,1.]
+groups = mesh.RotationSweepObject( lineGroup, axisZ, math.pi/2., 10, 1e-3, MakeGroups=True, TotalAngle=True )
 
-# perform extrusion of the group
-mesh.ExtrusionSweepObject(GroupTri, vector, 5)
+# extrude all faces into volumes
+obj        = mesh
+stepVector = [0.,0.,-1.]
+nbSteps    = 5
+groups = mesh.ExtrusionSweepObject2D( obj, stepVector, nbSteps, MakeGroups=True )
+
+# remove all segments created by the last command
+for g in groups:
+    if g.GetType() == SMESH.EDGE:
+        mesh.RemoveGroupWithContents( g )
+
+# extrude all segments into faces along Z
+obj = mesh
+stepVector = [0.,0.,1.]
+mesh.ExtrusionSweepObject1D( obj, stepVector, nbSteps )
+
+# extrude a group
+lineExtruded = None
+for g in mesh.GetGroups( SMESH.FACE ):
+    if g.GetName() == "line_extruded":
+        lineExtruded = g
+        break
+obj        = lineExtruded
+stepVector = [0,-5.,0.]
+nbSteps    = 1
+mesh.ExtrusionSweepObject( obj, stepVector, nbSteps )
+
+# extrude all nodes and triangle faces of the disk quarter, applying a scale factor
+diskGroup = None
+for g in mesh.GetGroups( SMESH.FACE ):
+    if g.GetName() == "line_rotated":
+        diskGroup = g
+        break
+crit = [ smesh.GetCriterion( SMESH.FACE, SMESH.FT_ElemGeomType,'=',SMESH.Geom_TRIANGLE ),
+         smesh.GetCriterion( SMESH.FACE, SMESH.FT_BelongToMeshGroup,'=', diskGroup )]
+trianglesFilter = smesh.GetFilterFromCriteria( crit )
+
+nodes      = [ diskGroup ]
+edges      = []
+faces      = [ trianglesFilter ]
+stepVector = [0,0,1]
+nbSteps    = 10
+mesh.ExtrusionSweepObjects( nodes, edges, faces, stepVector, nbSteps, scaleFactors=[0.5], linearVariation=True )
+
+# extrude a cylindrical group of faces by normal
+cylGroup = None
+for g in mesh.GetGroups( SMESH.FACE ):
+    if g.GetName().startswith("node "):
+        cylGroup = g
+        break
+
+elements = cylGroup
+stepSize = 5.
+nbSteps  = 2
+mesh.ExtrusionByNormal( elements, stepSize, nbSteps )
 
 salome.sg.updateObjBrowser(True)
index d48007a..50b8dbe 100755 (executable)
@@ -103,11 +103,12 @@ INPUT             = tmp2/smeshBuilder.py \
                     tmp2/smesh_algorithm.py \
                     tmp2/StdMeshersBuilder.py \
                     tmp2/smeshstudytools.py \
-                    tmp1/smeshBuilder.py
-FILE_PATTERNS     = 
+                    tmp1/smeshBuilder.py \
+                    @CMAKE_CURRENT_SOURCE_DIR@/input
+FILE_PATTERNS     = tui_*.doc
 IMAGE_PATH        = @CMAKE_CURRENT_SOURCE_DIR@/images
 RECURSIVE         = NO
-EXAMPLE_PATH      = @CMAKE_SOURCE_DIR@/src/SMESH_SWIG
+EXAMPLE_PATH      = @CMAKE_SOURCE_DIR@/src/SMESH_SWIG @CMAKE_SOURCE_DIR@/doc/salome/examples
 
 #---------------------------------------------------------------------------
 #HTML related options
@@ -165,3 +166,8 @@ DOT_CLEANUP            = YES
 #---------------------------------------------------------------------------
 GENERATE_TAGFILE  = smeshpy_doc.tag
 SEARCHENGINE           = YES
+
+#---------------------------------------------------------------------------
+#Custom commands
+#---------------------------------------------------------------------------
+ALIASES += tui_script{1}="\include \1 <a href=\"../../examples/SMESH/\1\">Download this script</a>"
index 88d2b0b..8105c71 100644 (file)
@@ -3887,6 +3887,7 @@ class Mesh:
     #         - a GEOM point
     #  @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionSweepObjects(self, nodes, edges, faces, StepVector, NbOfSteps, MakeGroups=False,
                               scaleFactors=[], linearVariation=False, basePoint=[] ):
         unRegister = genObjUnRegister()
@@ -3927,6 +3928,7 @@ class Mesh:
     #  @param IsNodes is True if elements with given ids are nodes
     #  @return the list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionSweep(self, IDsOfElements, StepVector, NbOfSteps, MakeGroups=False, IsNodes = False):
         n,e,f = [],[],[]
         if IsNodes: n = IDsOfElements
@@ -3953,6 +3955,7 @@ class Mesh:
     #  @return the list of created groups (SMESH_GroupBase) if \a MakeGroups=True,
     #          empty list otherwise.
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionByNormal(self, Elements, StepSize, NbOfSteps,
                           ByAverageNormal=False, UseInputElemsOnly=True, MakeGroups=False, Dim = 2):
         unRegister = genObjUnRegister()
@@ -3982,6 +3985,7 @@ class Mesh:
     #  @param IsNodes is True if elements to extrude are nodes
     #  @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionSweepObject(self, theObject, StepVector, NbOfSteps, MakeGroups=False, IsNodes=False):
         n,e,f = [],[],[]
         if IsNodes: n    = theObject
@@ -3998,6 +4002,7 @@ class Mesh:
     #  @param MakeGroups to generate new groups from existing ones
     #  @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionSweepObject1D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
         return self.ExtrusionSweepObjects([],theObject,[], StepVector, NbOfSteps, MakeGroups)
 
@@ -4011,6 +4016,7 @@ class Mesh:
     #  @param MakeGroups forces the generation of new groups from existing ones
     #  @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion example
     def ExtrusionSweepObject2D(self, theObject, StepVector, NbOfSteps, MakeGroups=False):
         return self.ExtrusionSweepObjects([],[],theObject, StepVector, NbOfSteps, MakeGroups)
 
@@ -4055,6 +4061,7 @@ class Mesh:
     #  @param MakeGroups forces the generation of new groups from existing ones
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPathObjects(self, Nodes, Edges, Faces, PathMesh, PathShape=None,
                                   NodeStart=1, HasAngles=False, Angles=[], LinearVariation=False,
                                   HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False):
@@ -4098,6 +4105,7 @@ class Mesh:
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
     #          only SMESH::Extrusion_Error otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPathX(self, Base, Path, NodeStart,
                             HasAngles=False, Angles=[], LinearVariation=False,
                             HasRefPoint=False, RefPoint=[0,0,0], MakeGroups=False,
@@ -4130,6 +4138,7 @@ class Mesh:
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
     #          only SMESH::Extrusion_Error otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPath(self, IDsOfElements, PathMesh, PathShape, NodeStart,
                            HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
                            MakeGroups=False, LinearVariation=False):
@@ -4160,6 +4169,7 @@ class Mesh:
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
     #          only SMESH::Extrusion_Error otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPathObject(self, theObject, PathMesh, PathShape, NodeStart,
                                  HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
                                  MakeGroups=False, LinearVariation=False):
@@ -4189,6 +4199,7 @@ class Mesh:
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
     #          only SMESH::Extrusion_Error otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPathObject1D(self, theObject, PathMesh, PathShape, NodeStart,
                                    HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
                                    MakeGroups=False, LinearVariation=False):
@@ -4218,6 +4229,7 @@ class Mesh:
     #  @return list of created groups (SMESH_GroupBase) and SMESH::Extrusion_Error if MakeGroups=True,
     #          only SMESH::Extrusion_Error otherwise
     #  @ingroup l2_modif_extrurev
+    #  @ref tui_extrusion_along_path example
     def ExtrusionAlongPathObject2D(self, theObject, PathMesh, PathShape, NodeStart,
                                    HasAngles=False, Angles=[], HasRefPoint=False, RefPoint=[],
                                    MakeGroups=False, LinearVariation=False):