1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2011 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 # File : SMESH_withHole.py
25 # Author : Lucien PIGNOLONI
28 #-------------------------------------------------------------------------
36 # ---------------------------- GEOM --------------------------------------
38 # ---- define contigous arcs and segment to define a closed wire
39 p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
40 p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
41 p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
42 arc1 = geompy.MakeArc( p1, p2, p3 )
44 p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
45 seg1 = geompy.MakeVector( p3, p4 )
47 p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
48 p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
49 arc2 = geompy.MakeArc( p4, p5, p6 )
51 p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
52 arc3 = geompy.MakeArc( p6, p7, p1 )
54 # ---- define a closed wire with arcs and segment
61 wire1 = geompy.MakeWire( List1 )
62 Id_wire1 = geompy.addToStudy( wire1, "wire1" )
64 # ---- define a planar face with wire
65 WantPlanarFace = 1 #True
66 face1 = geompy.MakeFace( wire1, WantPlanarFace )
67 Id_face1 = geompy.addToStudy( face1, "face1" )
69 # ---- create a shape by extrusion
70 pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
71 pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
72 vz = geompy.MakeVector( pO, pz )
74 prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
75 Id_prism1 = geompy.addToStudy( prism1, "prism1" )
77 # ---- create two cylinders
78 pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
79 pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
83 cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
84 cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
86 Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
87 Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
90 shape = geompy.MakeBoolean( prism1, cyl1, 2 )
92 # ---- fuse with cyl2 to obtain the final mechanic piece :)
93 mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
94 Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
96 # ---- explode on faces
97 SubFaceL = geompy.SubShapeAllSorted(mechanic, geompy.ShapeType["FACE"])
99 # ---- add a face sub shape in study to be meshed different
100 sub_face1 = SubFaceL[0]
101 name = geompy.SubShapeName( sub_face1, mechanic )
103 Id_SubFace1 = geompy.addToStudyInFather( mechanic, sub_face1, name )
105 # ---- add a face sub shape in study to be meshed different
106 sub_face2 = SubFaceL[4]
107 name = geompy.SubShapeName( sub_face2, mechanic )
109 Id_SubFace2 = geompy.addToStudyInFather( mechanic, sub_face2, name )
111 # ---- add a face sub shape in study to be meshed different
112 sub_face3 = SubFaceL[5]
113 name = geompy.SubShapeName( sub_face3, mechanic )
115 Id_SubFace3 = geompy.addToStudyInFather( mechanic, sub_face3, name )
117 # ---- add a face sub shape in study to be meshed different
118 sub_face4 = SubFaceL[10]
119 name = geompy.SubShapeName( sub_face4, mechanic )
121 Id_SubFace4 = geompy.addToStudyInFather( mechanic, sub_face4, name )
123 # ---------------------------- SMESH --------------------------------------
124 smesh.SetCurrentStudy(salome.myStudy)
127 shape_mesh = salome.IDToObject( Id_mechanic )
129 mesh = smesh.Mesh(shape_mesh, "Mesh_mechanic")
131 print "-------------------------- NumberOfSegments"
135 algo = mesh.Segment()
136 hypNbSeg = algo.NumberOfSegments(numberOfSegment)
137 print hypNbSeg.GetName()
138 print hypNbSeg.GetId()
139 print hypNbSeg.GetNumberOfSegments()
140 smesh.SetName(hypNbSeg, "NumberOfSegments_10")
142 print "-------------------------- MaxElementArea"
146 algo = mesh.Triangle()
147 hypArea25 = algo.MaxElementArea(maxElementArea)
148 print hypArea25.GetName()
149 print hypArea25.GetId()
150 print hypArea25.GetMaxElementArea()
151 smesh.SetName(hypArea25, "MaxElementArea_25")
153 # Create submesh on sub_face1 - sub_face4
154 # ---------------------------------------
156 # Set 2D algorithm to submesh on sub_face1
157 algo = mesh.Quadrangle(sub_face1)
158 smesh.SetName(algo.GetSubMesh(), "SubMeshFace1")
160 # Set 2D algorithm to submesh on sub_face2
161 algo = mesh.Quadrangle(sub_face2)
162 smesh.SetName(algo.GetSubMesh(), "SubMeshFace2")
164 # Set 2D algorithm to submesh on sub_face3
165 algo = mesh.Quadrangle(sub_face3)
166 smesh.SetName(algo.GetSubMesh(), "SubMeshFace3")
168 # Set 2D algorithm to submesh on sub_face4
169 algo = mesh.Quadrangle(sub_face4)
170 smesh.SetName(algo.GetSubMesh(), "SubMeshFace4")
172 print "-------------------------- compute the mesh of the mechanic piece"
176 print "Information about the Mesh_mechanic:"
177 print "Number of nodes : ", mesh.NbNodes()
178 print "Number of edges : ", mesh.NbEdges()
179 print "Number of faces : ", mesh.NbFaces()
180 print "Number of triangles : ", mesh.NbTriangles()
181 print "Number of quadrangles : ", mesh.NbQuadrangles()
182 print "Number of volumes : ", mesh.NbVolumes()
183 print "Number of tetrahedrons: ", mesh.NbTetras()
185 salome.sg.updateObjBrowser(1)