1 # -*- coding: utf-8 -*-
2 # Copyright (C) 2017-2019 CEA/DEN, EDF R&D
4 # This library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # This library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with this library; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
26 import SMESH, SALOMEDS
28 ## Compute the minimum area of the faces of the mesh
30 faces = mesh.GetElementsByType(SMESH.FACE)
31 areas = [mesh.GetArea(face) for face in faces]
39 from salome.geom import geomBuilder
44 geompy = geomBuilder.New()
46 O = geompy.MakeVertex(0, 0, 0)
47 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
48 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
49 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
52 Cylinder_1 = geompy.MakeCylinderRH(radius, height)
54 p_half_height = geompy.MakeVertex(0, 0, height/2.)
55 plane_z = geompy.MakePlane(p_half_height, OZ, 2.5*radius)
57 Part_1 = geompy.MakePartition([Cylinder_1], [plane_z], Limit=geompy.ShapeType["FACE"])
60 geompy.addToStudy( O, 'O' )
61 geompy.addToStudy( OX, 'OX' )
62 geompy.addToStudy( OY, 'OY' )
63 geompy.addToStudy( OZ, 'OZ' )
64 geompy.addToStudy( Part_1, 'Part_1' )
67 p_edge_vert_opp_1 = geompy.MakeVertex(-radius, 0, 0)
68 geompy.addToStudy( p_edge_vert_opp_1, 'p_edge_vert_opp_1' )
70 edge_vert_opp_1 = geompy.MakePrismVecH(p_edge_vert_opp_1, OZ, height/2.)
71 geompy.addToStudy( edge_vert_opp_1, 'edge_vert_opp_1' )
73 p_edge_vert_opp_2 = geompy.MakeVertex(-radius, 0, height/4.)
74 geompy.addToStudy( p_edge_vert_opp_2, 'p_edge_vert_opp_2' )
76 p_face_cyl_1 = geompy.MakeVertex(0, radius, height/4.)
77 p_face_cyl_2 = geompy.MakeVertex(0, radius, 3*height/4.)
79 face_1 = geompy.GetFaceNearPoint(Part_1, p_face_cyl_1)
80 face_2 = geompy.GetFaceNearPoint(Part_1, p_face_cyl_2)
82 geompy.addToStudyInFather(Part_1, face_1, "face_1")
83 geompy.addToStudyInFather(Part_1, face_2, "face_2")
89 from salome.smesh import smeshBuilder
91 smesh = smeshBuilder.New()
92 Mesh_1 = smesh.Mesh(Part_1)
93 MG_CADSurf = Mesh_1.Triangle(algo=smeshBuilder.MG_CADSurf)
94 MG_CADSurf_Parameters_1 = MG_CADSurf.Parameters()
95 MG_CADSurf_Parameters_1.SetPhySize( 14.1421 )
96 MG_CADSurf_Parameters_1.SetMinSize( 0.141421 )
97 MG_CADSurf_Parameters_1.SetMaxSize( 28.2843 )
98 MG_CADSurf_Parameters_1.SetChordalError( 7.07107 )
99 #MG_CADSurf_Parameters_1.SetAttractorGeom( sub_Face_1, Edge_1, 1, 14.1421, 5, 5 )
101 ok = Mesh_1.Compute()
104 raise Exception("Mesh not computed")
106 min_area_without_attractor = getMinArea(Mesh_1)
108 print("min_area_without_attractor: ", min_area_without_attractor)
110 MG_CADSurf_Parameters_1.SetAttractorGeom( face_1, edge_vert_opp_1, 1, 14.1421, 5, 5 )
111 # the attractor is not on the face. It is done on purpose to test this out of bounds case.
112 MG_CADSurf_Parameters_1.SetAttractorGeom( face_2, p_edge_vert_opp_2, 1, 14.1421, 5, 5 )
114 ok = Mesh_1.Compute()
117 raise Exception("Mesh with attractors not computed")
119 min_area_with_attractor = getMinArea(Mesh_1)
121 print("min_area_with_attractor: ", min_area_with_attractor)
123 assert min_area_with_attractor < min_area_without_attractor
125 assert min_area_with_attractor < 1
127 if salome.sg.hasDesktop():
128 salome.sg.updateObjBrowser(True)