1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2012 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
24 # Triangulation of the skin of the geometry from a Brep representing a plane
25 # Hypothesis and algorithms for the mesh generation are global
33 # ---------------------------- GEOM --------------------------------------
36 #before running this script, please be sure about
37 #the path the file fileName
39 filePath = os.environ["DATA_DIR"]
40 filePath = filePath + "/Shapes/Brep/"
42 filename = "flight_solid.brep"
43 filename = filePath + filename
45 shape = geompy.Import(filename, "BREP")
46 idShape = geompy.addToStudy(shape, "flight")
48 print "Analysis of the geometry flight :"
49 subShellList = geompy.SubShapeAll(shape, geompy.ShapeType["SHELL"])
50 subFaceList = geompy.SubShapeAll(shape, geompy.ShapeType["FACE"])
51 subEdgeList = geompy.SubShapeAll(shape, geompy.ShapeType["EDGE"])
53 print "number of Shells in flight : ", len(subShellList)
54 print "number of Faces in flight : ", len(subFaceList)
55 print "number of Edges in flight : ", len(subEdgeList)
58 ### ---------------------------- SMESH --------------------------------------
59 smesh.SetCurrentStudy(salome.myStudy)
61 # ---- init a Mesh with the shell
62 shape_mesh = salome.IDToObject( idShape )
64 mesh = smesh.Mesh(shape_mesh, "MeshFlight")
67 # ---- set Hypothesis and Algorithm
69 print "-------------------------- LocalLength"
71 lengthOfSegments = 0.3
73 regular1D = mesh.Segment()
74 hypLength = regular1D.LocalLength(lengthOfSegments)
75 print hypLength.GetName()
76 print hypLength.GetId()
77 print hypLength.GetLength()
78 smesh.SetName(hypLength, "LocalLength_" + str(lengthOfSegments))
80 print "-------------------------- LengthFromEdges"
82 mefisto2D = mesh.Triangle()
83 hypLengthFromEdge = mefisto2D.LengthFromEdges()
84 print hypLengthFromEdge.GetName()
85 print hypLengthFromEdge.GetId()
86 smesh.SetName(hypLengthFromEdge,"LengthFromEdge")
89 salome.sg.updateObjBrowser(1)
92 print "-------------------------- compute the skin flight"
96 log = mesh.GetLog(0) # no erase trace
99 print "Information about the Mesh_mechanic_tetra:"
100 print "Number of nodes : ", mesh.NbNodes()
101 print "Number of edges : ", mesh.NbEdges()
102 print "Number of faces : ", mesh.NbFaces()
103 print "Number of triangles : ", mesh.NbTriangles()
104 print "Number of volumes : ", mesh.NbVolumes()
106 print "probleme when computing the mesh"