4 salome.salome_init_without_session()
6 from salome.geom import geomBuilder
7 from salome.smesh import smeshBuilder
9 geom_builder = geomBuilder.New()
10 smesh_builder = smeshBuilder.New()
12 # make two not sewed quadranges
13 OY0 = geom_builder.MakeVectorDXDYDZ(0, 1, 0)
14 OY1 = geom_builder.MakeTranslation( OY0, 1, 0, 0, theName="OY1" )
15 OY2 = geom_builder.MakeTranslation( OY0, 1.01, 0, 0, theName="OY2" )
16 OY3 = geom_builder.MakeTranslation( OY0, 2, 0, 0 )
17 q1 = geom_builder.MakeQuad2Edges( OY0, OY1 )
18 q2 = geom_builder.MakeQuad2Edges( OY2, OY3 )
20 shape = geom_builder.MakeCompound( [q1,q2], theName='shape' )
22 # make a non-uniform quadrangle mesh on two faces
23 mesh = smesh_builder.Mesh(shape, "Two faces : quadrangle mesh")
24 mesh.Segment().Arithmetic1D( 0.1, 0.4 )
25 mesh.Segment(q1).NumberOfSegments( 5 )
27 if not mesh.Compute(): raise Exception("Error when computing Mesh")
31 segs1 = mesh.GetSubMeshElementsId( OY1 ) # mesh segments generated on borders
32 segs2 = mesh.GetSubMeshElementsId( OY2 )
34 FirstNodeID1 = mesh.GetElemNode( segs1[0], 0 )
35 SecondNodeID1 = mesh.GetElemNode( segs1[0], 1 )
36 LastNodeID1 = mesh.GetElemNode( segs1[-1], 1 )
37 FirstNodeID2 = mesh.GetElemNode( segs2[0], 0 )
38 SecondNodeID2 = mesh.GetElemNode( segs2[0], 1 )
39 LastNodeID2 = mesh.GetElemNode( segs2[-1], 1 )
41 CreatePolyedrs = False
43 res = mesh.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
44 FirstNodeID2, SecondNodeID2, LastNodeID2,
45 CreatePolygons, CreatePolyedrs )
47 print("nb polygons:", mesh.NbPolygons())