Quadrangle_2D = Mesh1.Quadrangle()
isDone = Mesh1.Compute()
-#Perform scale opration for whole mesh with creation of new mesh
+#Perform scale opration for the whole mesh and creation of a new mesh
newMesh = Mesh1.ScaleMakeMesh(Mesh1,SMESH.PointStruct(100,100,200),[0.5,0.3,0.7],True,"ScaledMesh")
-#Perform scale operation for whole mesh with copy of elements
+#Perform scale operation for the whole mesh and copy elements
Mesh1.Scale(Mesh1,SMESH.PointStruct(200,100,100),[0.5,0.5,0.5],True,True)
-#Perform scale opration for two edges with moving of elements
+#Perform scale opration for two edges and move elements
Mesh1.Scale([1,2],SMESH.PointStruct(-100,100,100),[0.8,1.0,0.7],False)
-#Perform scale opration for one face with moving of elements
+#Perform scale opration for one face and move elements
Mesh1.Scale([21],SMESH.PointStruct(0,200,200),[0.7,0.7,0.7],False)
\endcode
mesh.SewSideElements([69, 70, 71, 72], [91, 92, 89, 90], 8, 38, 23, 58)
\endcode
+<br>
+\anchor tui_duplicate_nodes
+<h3>Duplicate nodes</h3>
+
+\code
+import salome
+import smesh
+import SMESH_test1
+
+mesh = SMESH_test1.mesh
+
+# Compute mesh
+mesh.Compute()
+
+# Without the duplication of border elements
+
+# Nodes to duplicate
+nodes1 = mesh.CreateEmptyGroup( smesh.NODE, 'nodes1' )
+nodes1.Add( [ 289, 278, 302, 285 ] )
+
+# Group of faces to replace nodes with new ones
+faces1 = mesh.CreateEmptyGroup( smesh.FACE, 'faces1' )
+faces1.Add( [ 519, 556, 557 ] )
+
+# Duplicate nodes
+print "\nMesh before the first nodes duplication:"
+print "Nodes : ", mesh.NbNodes()
+print "Edges : ", mesh.NbEdges()
+print "Triangles : ", mesh.NbTriangles()
+
+groupOfCreatedNodes = mesh.DoubleNodeGroup(nodes1, faces1, theMakeGroup=True)
+print "New nodes:", groupOfCreatedNodes.GetIDs()
+
+print "\nMesh after the first nodes duplication:"
+print "Nodes : ", mesh.NbNodes()
+print "Edges : ", mesh.NbEdges()
+print "Triangles : ", mesh.NbTriangles()
+
+# With the duplication of border elements
+
+# Edges to duplicate
+edges = mesh.CreateEmptyGroup( smesh.EDGE, 'edges' )
+edges.Add( [ 29, 30, 31 ] )
+
+# Nodes not to duplicate
+nodes2 = mesh.CreateEmptyGroup( smesh.NODE, 'nodes2' )
+nodes2.Add( [ 32, 5 ] )
+
+# Group of faces to replace nodes with new ones
+faces2 = mesh.CreateEmptyGroup( smesh.FACE, 'faces2' )
+faces2.Add( [ 576, 578, 580 ] )
+
+# Duplicate nodes
+print "\nMesh before the second nodes duplication:"
+print "Nodes : ", mesh.NbNodes()
+print "Edges : ", mesh.NbEdges()
+print "Triangles : ", mesh.NbTriangles()
+
+groupOfNewEdges = mesh.DoubleNodeElemGroup( edges, nodes2, faces2, theMakeGroup=True )
+print "New edges:", groupOfNewEdges.GetIDs()
+
+print "\nMesh after the second nodes duplication:"
+print "Nodes : ", mesh.NbNodes()
+print "Edges : ", mesh.NbEdges()
+print "Triangles : ", mesh.NbTriangles()
+
+# Update object browser
+if salome.sg.hasDesktop():
+ salome.sg.updateObjBrowser(0)
+\endcode
+
+<br>
+\anchor tui_make_2dmesh_from_3d
+<h3>Create boundary elements</h3>
+
+\code
+from smesh import *
+SetCurrentStudy(salome.myStudy)
+
+box = geompy.MakeBoxDXDYDZ(100, 100, 100)
+gFaces = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])
+f1,f2 = gFaces[0],gFaces[1]
+geompy.addToStudy(box,"box")
+geompy.addToStudyInFather(box,f1,"face1")
+geompy.addToStudyInFather(box,f2,"face2")
+
+twoFaces = geompy.MakeCompound([f1,f2])
+
+## -----------
+##
+## 2D from 3D
+##
+## -----------
+dim = SMESH.BND_2DFROM3D
+
+init_mesh = Mesh(box, "box")
+init_mesh.AutomaticHexahedralization() # it makes 3 x 3 x 3 hexahedrons
+
+# remove some faces
+faces = init_mesh.GetElementsByType( SMESH.FACE )
+nb_faces = len( faces )
+rm_face = faces[ : nb_faces/2]
+init_mesh.RemoveElements( rm_face )
+
+# restore boundary in this mesh
+mesh = CopyMesh( init_mesh, "2D from 3D")
+groupName = "bnd 2D"
+nb, new_mesh, new_group = mesh.MakeBoundaryElements(dim, groupName)
+
+# restore boundary (only) in other mesh
+meshName = "2D boundary of " + init_mesh.GetName()
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName)
+
+# restore boundary in mesh copy
+meshName = init_mesh.GetName() + " + boundary"
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName, toCopyAll=True)
+
+
+## -----------
+##
+## 1D from 2D
+##
+## -----------
+dim = SMESH.BND_1DFROM2D
+
+init_mesh = Mesh(f1, "2D mesh")
+init_mesh.AutomaticHexahedralization()
+
+# remove some edges
+edges = init_mesh.GetElementsByType( SMESH.EDGE )
+nb_edges = len( edges )
+rm_edge = edges[ : nb_edges/2]
+init_mesh.RemoveElements( rm_edge )
+
+
+# restore boundary edges in this mesh
+mesh = CopyMesh( init_mesh, "1D from 2D")
+groupName = "bnd 1D"
+nb, new_mesh, new_group = mesh.MakeBoundaryElements(dim, groupName)
+
+# restore boundary edges (only) in other mesh
+meshName = "1D boundary of " + init_mesh.GetName()
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName)
+
+# restore boundary edges in mesh copy
+meshName = init_mesh.GetName() + " + boundary"
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName, toCopyAll=True)
+
+
+
+## ------------------
+##
+## 1D from 2D GROUPS
+##
+## ------------------
+dim = SMESH.BND_1DFROM3D
+
+init_mesh = Mesh(box, "box")
+init_mesh.AutomaticHexahedralization() # it makes 3 x 3 x 3 hexahedrons
+# remove all edges
+rm_edges = init_mesh.GetElementsByType( SMESH.EDGE )
+init_mesh.RemoveElements( rm_edges )
+
+# make groups of faces
+fGroup1 = init_mesh.Group( f1, "f1" )
+fGroup2 = init_mesh.Group( f2, "f2" )
+
+# make 1D boundary around groups in this mesh
+mesh = CopyMesh( init_mesh, "1D from 2D groups", toCopyGroups=True)
+groups = mesh.GetGroups()
+nb, new_mesh, new_group = mesh.MakeBoundaryElements(dim, groupName,groups=groups)
+
+# make 1D boundary (only) in other mesh
+meshName = "boundary from groups of " + init_mesh.GetName()
+groups = init_mesh.GetGroups()
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName,groups=groups)
+
+# make 1D boundary in mesh copy
+meshName = init_mesh.GetName() + " + boundary from groups"
+nb, new_mesh, new_group = init_mesh.MakeBoundaryElements(dim, groupName, meshName,
+ groups=groups, toCopyAll=True)
+
+\endcode
*/
