1 # Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 # This library is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU Lesser General Public
8 # License as published by the Free Software Foundation; either
9 # version 2.1 of the License.
11 # This library is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Lesser General Public License for more details.
16 # You should have received a copy of the GNU Lesser General Public
17 # License along with this library; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 # File : SMESH_withHole.py
23 # Author : Lucien PIGNOLONI
26 #-------------------------------------------------------------------------
32 # ---------------------------- GEOM --------------------------------------
34 # ---- define contigous arcs and segment to define a closed wire
35 p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
36 p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
37 p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
38 arc1 = geompy.MakeArc( p1, p2, p3 )
40 p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
41 seg1 = geompy.MakeVector( p3, p4 )
43 p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
44 p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
45 arc2 = geompy.MakeArc( p4, p5, p6 )
47 p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
48 arc3 = geompy.MakeArc( p6, p7, p1 )
50 # ---- define a closed wire with arcs and segment
57 wire1 = geompy.MakeWire( List1 )
58 Id_wire1 = geompy.addToStudy( wire1, "wire1" )
60 # ---- define a planar face with wire
61 WantPlanarFace = 1 #True
62 face1 = geompy.MakeFace( wire1, WantPlanarFace )
63 Id_face1 = geompy.addToStudy( face1, "face1" )
65 # ---- create a shape by extrusion
66 pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
67 pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
68 vz = geompy.MakeVector( pO, pz )
70 prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
71 Id_prism1 = geompy.addToStudy( prism1, "prism1" )
73 # ---- create two cylinders
74 pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
75 pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
79 cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
80 cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
82 Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
83 Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
86 shape = geompy.MakeBoolean( prism1, cyl1, 2 )
88 # ---- fuse with cyl2 to obtain the final mechanic piece :)
89 mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
90 Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
92 # ---- explode on faces
93 SubFaceL = geompy.SubShapeAllSorted(mechanic, geompy.ShapeType["FACE"])
95 # ---- add a face sub shape in study to be meshed different
96 sub_face1 = SubFaceL[0]
97 name = geompy.SubShapeName( sub_face1, mechanic )
99 Id_SubFace1 = geompy.addToStudyInFather( mechanic, sub_face1, name )
101 # ---- add a face sub shape in study to be meshed different
102 sub_face2 = SubFaceL[4]
103 name = geompy.SubShapeName( sub_face2, mechanic )
105 Id_SubFace2 = geompy.addToStudyInFather( mechanic, sub_face2, name )
107 # ---- add a face sub shape in study to be meshed different
108 sub_face3 = SubFaceL[5]
109 name = geompy.SubShapeName( sub_face3, mechanic )
111 Id_SubFace3 = geompy.addToStudyInFather( mechanic, sub_face3, name )
113 # ---- add a face sub shape in study to be meshed different
114 sub_face4 = SubFaceL[10]
115 name = geompy.SubShapeName( sub_face4, mechanic )
117 Id_SubFace4 = geompy.addToStudyInFather( mechanic, sub_face4, name )
119 # ---------------------------- SMESH --------------------------------------
122 shape_mesh = salome.IDToObject( Id_mechanic )
124 mesh = smesh.Mesh(shape_mesh, "Mesh_mechanic")
126 print "-------------------------- NumberOfSegments"
130 algo = mesh.Segment()
131 hypNbSeg = algo.NumberOfSegments(numberOfSegment)
132 print hypNbSeg.GetName()
133 print hypNbSeg.GetId()
134 print hypNbSeg.GetNumberOfSegments()
135 smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegment))
138 print "-------------------------- MaxElementArea"
142 algo = mesh.Triangle()
143 hypArea25 = algo.MaxElementArea(maxElementArea)
144 print hypArea25.GetName()
145 print hypArea25.GetId()
146 print hypArea25.GetMaxElementArea()
147 smesh.SetName(hypArea25, "MaxElementArea_" + str(maxElementArea))
150 # Create submesh on sub_face1 - sub_face4
151 # ---------------------------------------
153 # Set 2D algorithm to submesh on sub_face1
154 algo = mesh.Quadrangle(sub_face1)
155 smesh.SetName(algo.GetSubMesh(), "SubMeshFace1")
156 submesh1 = algo.GetSubMesh()
158 # Set 2D algorithm to submesh on sub_face2
159 algo = mesh.Quadrangle(sub_face2)
160 smesh.SetName(algo.GetSubMesh(), "SubMeshFace2")
161 submesh2 = algo.GetSubMesh()
163 # Set 2D algorithm to submesh on sub_face3
164 algo = mesh.Quadrangle(sub_face3)
165 smesh.SetName(algo.GetSubMesh(), "SubMeshFace3")
166 submesh3 = algo.GetSubMesh()
168 # Set 2D algorithm to submesh on sub_face4
169 algo = mesh.Quadrangle(sub_face4)
170 smesh.SetName(algo.GetSubMesh(), "SubMeshFace4")
171 submesh4 = algo.GetSubMesh()
174 print "-------------------------- compute the mesh of the mechanic piece"
178 print "Information about the Mesh_mechanic:"
179 print "Number of nodes : ", mesh.NbNodes()
180 print "Number of edges : ", mesh.NbEdges()
181 print "Number of faces : ", mesh.NbFaces()
182 print "Number of triangles : ", mesh.NbTriangles()
183 print "Number of quadrangles : ", mesh.NbQuadrangles()
184 print "Number of volumes : ", mesh.NbVolumes()
185 print "Number of tetrahedrons: ", mesh.NbTetras()
188 #1 cutting of quadrangles of the 'SubMeshFace2' submesh
189 mesh.SplitQuadObject(submesh2, 1)
191 #2 cutting of triangles of the group
192 FacesTriToQuad = [2381, 2382, 2383, 2384, 2385, 2386, 2387, 2388, 2389, 2390, 2391, 2392, 2393, 2394, 2395, 2396, 2397, 2398, 2399, 2400, 2401, 2402, 2403, 2404, 2405, 2406, 2407, 2408, 2409, 2410, 2411, 2412, 2413, 2414, 2415, 2416, 2417, 2418, 2419, 2420, 2421, 2422]
193 GroupTriToQuad = mesh.MakeGroupByIds("Group of faces (quad)", smesh.FACE, FacesTriToQuad)
194 mesh.TriToQuadObject(GroupTriToQuad, None , 1.57)
196 #3 extrusion of the group
197 point = smesh.PointStruct(0, 0, 5)
198 vector = smesh.DirStruct(point)
199 mesh.ExtrusionSweepObject(GroupTriToQuad, vector, 5)
202 mesh.Mirror([], smesh.AxisStruct(0, 0, 0, 0, 0, 0), smesh.POINT, 0)
205 point = smesh.PointStruct(10, 10, 10)
206 vector = smesh.DirStruct(point)
207 mesh.Translate([], vector, 0)
210 axisXYZ = smesh.AxisStruct(0, 0, 0, 10, 10, 10)
211 angle180 = 180*3.141/180
212 mesh.Rotate([], axisXYZ, angle180, 0)
215 FacesSmooth = [864, 933, 941, 950, 1005, 1013]
216 GroupSmooth = mesh.MakeGroupByIds("Group of faces (smooth)", smesh.FACE, FacesSmooth)
217 mesh.SmoothObject(GroupSmooth, [], 20, 2, smesh.CENTROIDAL_SMOOTH)
219 #8 rotation sweep object
220 FacesRotate = [492, 493, 502, 503]
221 GroupRotate = mesh.MakeGroupByIds("Group of faces (rotate)", smesh.FACE, FacesRotate)
222 angle45 = 45*3.141/180
223 axisXYZ = smesh.AxisStruct(-38.3128, -73.3658, -133.321, -13.3402, -13.3265, 6.66632)
224 mesh.RotationSweepObject(GroupRotate, axisXYZ, angle45, 4, 1e-5)
226 #9 reorientation of the submesh1
227 mesh.ReorientObject(submesh1)
229 salome.sg.updateObjBrowser(1)