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 a simple box. Hypothesis and algorithms for
24 # the mesh generation are global
33 box = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
35 idbox = geompy.addToStudy(box, "box")
37 print "Analysis of the geometry box :"
38 subShellList = geompy.SubShapeAll(box, geompy.ShapeType["SHELL"])
39 subFaceList = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
40 subEdgeList = geompy.SubShapeAll(box, geompy.ShapeType["EDGE"])
42 print "number of Shells in box : ", len(subShellList)
43 print "number of Faces in box : ", len(subFaceList)
44 print "number of Edges in box : ", len(subEdgeList)
47 ### ---------------------------- SMESH --------------------------------------
49 # ---- init a Mesh with the boxe
51 mesh = smesh.Mesh(box, "MeshBox")
53 # ---- set Hypothesis and Algorithm
55 print "-------------------------- NumberOfSegments"
58 regular1D = mesh.Segment()
59 hypNbSeg = regular1D.NumberOfSegments(numberOfSegments)
60 print hypNbSeg.GetName()
61 print hypNbSeg.GetId()
62 print hypNbSeg.GetNumberOfSegments()
63 smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments))
65 print "-------------------------- MaxElementArea"
69 mefisto2D = mesh.Triangle()
70 hypArea = mefisto2D.MaxElementArea(maxElementArea)
71 print hypArea.GetName()
73 print hypArea.GetMaxElementArea()
74 smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
76 print "-------------------------- MaxElementVolume"
78 maxElementVolume = 500
80 netgen3D = mesh.Tetrahedron(smesh.NETGEN)
81 hypVolume = netgen3D.MaxElementVolume(maxElementVolume)
82 print hypVolume.GetName()
83 print hypVolume.GetId()
84 print hypVolume.GetMaxElementVolume()
85 smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume))
87 salome.sg.updateObjBrowser(1)
89 print "-------------------------- compute the mesh of the boxe"
93 log = mesh.GetLog(0) # no erase trace
96 print "Information about the MeshBox:"
97 print "Number of nodes : ", mesh.NbNodes()
98 print "Number of edges : ", mesh.NbEdges()
99 print "Number of faces : ", mesh.NbFaces()
100 print "Number of triangles : ", mesh.NbTriangles()
101 print "Number of volumes : ", mesh.NbVolumes()
102 print "Number of tetrahedrons: ", mesh.NbTetras()
104 print "probleme when computing the mesh"