bos #29171 Refactor testing procedure

[modules/smesh.git] / doc / examples / transforming_meshes_ex11.py

diff --git a/doc/examples/transforming_meshes_ex11.py b/doc/examples/transforming_meshes_ex11.py
new file mode 100644 (file)
index 0000000..5fddd30
--- /dev/null
+++ b/doc/examples/transforming_meshes_ex11.py
@@ -0,0 +1,89 @@
+# Duplicate nodes or/and elements
+
+import salome
+salome.salome_init_without_session()
+
+import SMESH
+from salome.geom import geomBuilder
+from salome.smesh import smeshBuilder
+
+geom_builder = geomBuilder.New()
+smesh_builder = smeshBuilder.New()
+
+# Create a box
+
+box = geom_builder.MakeBox(0., 0., 0., 100., 200., 300.)
+
+# Define hexa mesh on a box
+mesh = smesh_builder.Mesh(box, "Mesh")
+mesh.Segment().NumberOfSegments(7)
+mesh.Quadrangle()
+mesh.Hexahedron()
+
+# Compute mesh
+mesh.Compute()
+
+# Duplicate nodes only
+
+# Nodes to duplicate
+nodes1 = mesh.CreateEmptyGroup( SMESH.NODE, 'nodes1' )
+nodes1.Add( [ 119, 125, 131, 137 ] )
+
+# Group of faces to replace nodes with new ones 
+faces1 = mesh.CreateEmptyGroup( SMESH.FACE, 'faces1' )
+faces1.Add( [ 144, 151, 158 ] )
+
+# Duplicate nodes
+print("\nMesh before the first nodes duplication:")
+print("Nodes       : ", mesh.NbNodes())
+print("Edges       : ", mesh.NbEdges())
+print("Quadrangles : ", mesh.NbQuadrangles())
+
+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("Quadrangles : ", mesh.NbQuadrangles())
+
+# Duplicate nodes and border elements
+
+# Edges to duplicate
+edges = mesh.CreateEmptyGroup( SMESH.EDGE, 'edges' )
+edges.Add( [ 32, 33, 34 ] )
+
+# Nodes not to duplicate
+nodes2 = mesh.CreateEmptyGroup( SMESH.NODE, 'nodes2' )
+nodes2.Add( [ 35, 38 ] )
+
+# Group of faces to replace nodes with new ones 
+faces2 = mesh.CreateEmptyGroup( SMESH.FACE, 'faces2' )
+faces2.Add( [ 141, 148, 155 ] )
+
+# Duplicate nodes
+print("\nMesh before the second nodes duplication:")
+print("Nodes       : ", mesh.NbNodes())
+print("Edges       : ", mesh.NbEdges())
+print("Quadrangles : ", mesh.NbQuadrangles())
+
+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("Quadrangles : ", mesh.NbQuadrangles())
+
+
+# Duplicate elements only
+
+# Duplicate all faces and make a group of new faces.
+# If a mesh is given to DoubleElements(), all elements of the greatest dimension are duplicated
+newFacesGroup = mesh.DoubleElements( mesh, "newFacesGroup" )
+
+# Duplicate edges contained in the group "edges" and add new edges to this group
+mesh.DoubleElements( edges, edges.GetName() )
+
+# Duplicate two first edges of the mesh
+mesh.DoubleElements([ 1, 2 ])