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 # File : SMESH_withHole.py
24 # Author : Lucien PIGNOLONI
27 #-------------------------------------------------------------------------
35 # ---------------------------- GEOM --------------------------------------
37 # ---- define contigous arcs and segment to define a closed wire
38 p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
39 p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
40 p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
41 arc1 = geompy.MakeArc( p1, p2, p3 )
43 p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
44 seg1 = geompy.MakeVector( p3, p4 )
46 p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
47 p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
48 arc2 = geompy.MakeArc( p4, p5, p6 )
50 p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
51 arc3 = geompy.MakeArc( p6, p7, p1 )
53 # ---- define a closed wire with arcs and segment
60 wire1 = geompy.MakeWire( List1 )
61 Id_wire1 = geompy.addToStudy( wire1, "wire1" )
63 # ---- define a planar face with wire
64 WantPlanarFace = 1 #True
65 face1 = geompy.MakeFace( wire1, WantPlanarFace )
66 Id_face1 = geompy.addToStudy( face1, "face1" )
68 # ---- create a shape by extrusion
69 pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
70 pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
71 vz = geompy.MakeVector( pO, pz )
73 prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
74 Id_prism1 = geompy.addToStudy( prism1, "prism1" )
76 # ---- create two cylinders
77 pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
78 pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
82 cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
83 cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
85 Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
86 Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
89 shape = geompy.MakeBoolean( prism1, cyl1, 2 )
91 # ---- fuse with cyl2 to obtain the final mechanic piece :)
92 mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
93 Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
95 # ---- explode on faces
96 SubFaceL = geompy.SubShapeAllSorted(mechanic, geompy.ShapeType["FACE"])
98 # ---- add a face sub shape in study to be meshed different
99 sub_face1 = SubFaceL[0]
100 name = geompy.SubShapeName( sub_face1, mechanic )
102 Id_SubFace1 = geompy.addToStudyInFather( mechanic, sub_face1, name )
104 # ---- add a face sub shape in study to be meshed different
105 sub_face2 = SubFaceL[4]
106 name = geompy.SubShapeName( sub_face2, mechanic )
108 Id_SubFace2 = geompy.addToStudyInFather( mechanic, sub_face2, name )
110 # ---- add a face sub shape in study to be meshed different
111 sub_face3 = SubFaceL[5]
112 name = geompy.SubShapeName( sub_face3, mechanic )
114 Id_SubFace3 = geompy.addToStudyInFather( mechanic, sub_face3, name )
116 # ---- add a face sub shape in study to be meshed different
117 sub_face4 = SubFaceL[10]
118 name = geompy.SubShapeName( sub_face4, mechanic )
120 Id_SubFace4 = geompy.addToStudyInFather( mechanic, sub_face4, name )
122 # ---------------------------- SMESH --------------------------------------
123 smesh.SetCurrentStudy(salome.myStudy)
126 shape_mesh = salome.IDToObject( Id_mechanic )
128 mesh = smesh.Mesh(shape_mesh, "Mesh_mechanic")
130 print "-------------------------- NumberOfSegments"
134 algo = mesh.Segment()
135 hypNbSeg = algo.NumberOfSegments(numberOfSegment)
136 print hypNbSeg.GetName()
137 print hypNbSeg.GetId()
138 print hypNbSeg.GetNumberOfSegments()
139 smesh.SetName(hypNbSeg, "NumberOfSegments_10")
141 print "-------------------------- MaxElementArea"
145 algo = mesh.Triangle()
146 hypArea25 = algo.MaxElementArea(maxElementArea)
147 print hypArea25.GetName()
148 print hypArea25.GetId()
149 print hypArea25.GetMaxElementArea()
150 smesh.SetName(hypArea25, "MaxElementArea_25")
152 # Create submesh on sub_face1 - sub_face4
153 # ---------------------------------------
155 # Set 2D algorithm to submesh on sub_face1
156 algo = mesh.Quadrangle(sub_face1)
157 smesh.SetName(algo.GetSubMesh(), "SubMeshFace1")
159 # Set 2D algorithm to submesh on sub_face2
160 algo = mesh.Quadrangle(sub_face2)
161 smesh.SetName(algo.GetSubMesh(), "SubMeshFace2")
163 # Set 2D algorithm to submesh on sub_face3
164 algo = mesh.Quadrangle(sub_face3)
165 smesh.SetName(algo.GetSubMesh(), "SubMeshFace3")
167 # Set 2D algorithm to submesh on sub_face4
168 algo = mesh.Quadrangle(sub_face4)
169 smesh.SetName(algo.GetSubMesh(), "SubMeshFace4")
171 print "-------------------------- compute the mesh of the mechanic piece"
175 print "Information about the Mesh_mechanic:"
176 print "Number of nodes : ", mesh.NbNodes()
177 print "Number of edges : ", mesh.NbEdges()
178 print "Number of faces : ", mesh.NbFaces()
179 print "Number of triangles : ", mesh.NbTriangles()
180 print "Number of quadrangles : ", mesh.NbQuadrangles()
181 print "Number of volumes : ", mesh.NbVolumes()
182 print "Number of tetrahedrons: ", mesh.NbTetras()
184 salome.sg.updateObjBrowser(1)