1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
4 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
5 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 # Tetrahedrization of the geometry union of 2 boxes having a face in common
24 # Hypothesis and algorithms for the mesh generation are global
31 # ---- define 2 boxes box1 and box2
33 box1 = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
35 idbox1 = geompy.addToStudy(box1, "box1")
37 print "Analysis of the geometry box1 :"
38 subShellList = geompy.SubShapeAll(box1, geompy.ShapeType["SHELL"])
39 subFaceList = geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])
40 subEdgeList = geompy.SubShapeAll(box1, geompy.ShapeType["EDGE"])
42 print "number of Shells in box1 : ", len(subShellList)
43 print "number of Faces in box1 : ", len(subFaceList)
44 print "number of Edges in box1 : ", len(subEdgeList)
46 box2 = geompy.MakeBox(100., 0., 0., 200., 200., 300.)
48 idbox2 = geompy.addToStudy(box2, "box2")
50 print "Analysis of the geometry box2 :"
51 subShellList = geompy.SubShapeAll(box2, geompy.ShapeType["SHELL"])
52 subFaceList = geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])
53 subEdgeList = geompy.SubShapeAll(box2, geompy.ShapeType["EDGE"])
55 print "number of Shells in box2 : ", len(subShellList)
56 print "number of Faces in box2 : ", len(subFaceList)
57 print "number of Edges in box2 : ", len(subEdgeList)
59 # append the tow boxes to make ine shel, referrencing only once
60 # the internal interface
62 shell = geompy.MakePartition([box1, box2])
63 idshell = geompy.addToStudy(shell, "shell")
65 print "Analysis of the geometry shell (union of box1 and box2) :"
66 subShellList = geompy.SubShapeAll(shell, geompy.ShapeType["SHELL"])
67 subFaceList = geompy.SubShapeAll(shell, geompy.ShapeType["FACE"])
68 subEdgeList = geompy.SubShapeAll(shell, geompy.ShapeType["EDGE"])
70 print "number of Shells in shell : ", len(subShellList)
71 print "number of Faces in shell : ", len(subFaceList)
72 print "number of Edges in shell : ", len(subEdgeList)
75 ### ---------------------------- SMESH --------------------------------------
76 smesh.SetCurrentStudy(salome.myStudy)
78 # ---- init a Mesh with the shell
80 mesh = smesh.Mesh(shell, "MeshBox2")
83 # ---- set Hypothesis and Algorithm
85 print "-------------------------- NumberOfSegments"
89 regular1D = mesh.Segment()
90 hypNbSeg = regular1D.NumberOfSegments(numberOfSegments)
91 print hypNbSeg.GetName()
92 print hypNbSeg.GetId()
93 print hypNbSeg.GetNumberOfSegments()
94 smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments))
96 print "-------------------------- MaxElementArea"
100 mefisto2D = mesh.Triangle()
101 hypArea = mefisto2D.MaxElementArea(maxElementArea)
102 print hypArea.GetName()
103 print hypArea.GetId()
104 print hypArea.GetMaxElementArea()
105 smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
107 print "-------------------------- MaxElementVolume"
109 maxElementVolume = 500
111 netgen3D = mesh.Tetrahedron(smesh.NETGEN)
112 hypVolume = netgen3D.MaxElementVolume(maxElementVolume)
113 print hypVolume.GetName()
114 print hypVolume.GetId()
115 print hypVolume.GetMaxElementVolume()
116 smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume))
119 salome.sg.updateObjBrowser(1)
121 print "-------------------------- compute shell"
125 log = mesh.GetLog(0) # no erase trace
128 print "Information about the MeshBox2:"
129 print "Number of nodes : ", mesh.NbNodes()
130 print "Number of edges : ", mesh.NbEdges()
131 print "Number of faces : ", mesh.NbFaces()
132 print "Number of triangles : ", mesh.NbTriangles()
133 print "Number of volumes : ", mesh.NbVolumes()
134 print "Number of tetrahedrons: ", mesh.NbTetras()
136 print "probleme when computing the mesh"