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 # GEOM GEOM_SWIG : binding of C++ omplementaion with Python
25 # File : GEOM_Sphere.py
26 # Author : Damien COQUERET, Open CASCADE
35 # It is an example of creating a hexahedrical mesh on a sphere.
37 # Used approach allows to avoid problems with degenerated and
38 # seam edges without special processing of geometrical shapes
40 #-----------------------------------------------------------------------
52 P0 = MakeVertex(0., 0., 0.)
53 P1 = MakeVertex(-Dist, -Dist, -Dist)
54 P2 = MakeVertex(-Dist, -Dist, Dist)
55 P3 = MakeVertex(-Dist, Dist, Dist)
56 P4 = MakeVertex(-Dist, Dist, -Dist)
58 VZ = MakeVectorDXDYDZ(0., 0., 1.)
60 #Construction Elements
67 PolyLine = MakePolyline(PointsList)
69 Face1 = MakeFace(PolyLine, 1)
70 Face2 = MakeScaleTransform(Face1, P0, Factor)
71 Face3 = MakeScaleTransform(Face1, P0, -1.)
74 Sphere = MakeSphereR(Radius)
76 Block = MakeHexa2Faces(Face1, Face2)
77 Cube = MakeHexa2Faces(Face1, Face3)
79 Common1 = MakeBoolean(Sphere, Block, 1)
80 Common2 = MakeRotation(Common1, VZ, Angle90)
82 MultiBlock1 = MakeMultiTransformation1D(Common1, 20, -1, 3)
83 MultiBlock2 = MakeMultiTransformation1D(Common2, 30, -1, 3)
85 #Reconstruct sphere from several blocks
86 ShapesList.append(Cube)
87 ShapesList.append(MultiBlock1)
88 ShapesList.append(MultiBlock2)
89 Compound = MakeCompound(ShapesList)
91 Result = MakeGlueFaces(Compound, 0.1)
94 Id_Sphere = addToStudy(Sphere, "Sphere")
95 Id_Cube = addToStudy(Cube, "Cube")
97 Id_Common1 = addToStudy(Common1, "Common1")
98 Id_Common2 = addToStudy(Common2, "Common2")
100 Id_MultiBlock1 = addToStudy(MultiBlock1, "MultiBlock1")
101 Id_MultiBlock2 = addToStudy(MultiBlock2, "MultiBlock2")
103 Id_Result = addToStudy(Result, "Result")
105 #-----------------------------------------------------------------------
107 smesh.SetCurrentStudy(salome.myStudy)
108 my_hexa = smesh.Mesh(Result, "Sphere_Mesh")
109 algo = my_hexa.Segment()
110 algo.NumberOfSegments(NbSeg)