examples/command_line/dataset.py

   1 # Copyright (C) 2014-2022  CEA/DEN, EDF R&D
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License, or (at your option) any later version.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 #
  17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 #
  19 def create_geometry(out_filename=None):
  20   import GEOM
  21   import salome
  22   from salome.geom import geomBuilder
  23   geompy = geomBuilder.New()
  24
  25   # create a cloud of points
  26   points = [
  27     geompy.MakeVertex(0,0,0),
  28     geompy.MakeVertex(9,0,0),
  29     geompy.MakeVertex(0,9,0),
  30     geompy.MakeVertex(9,9,0),
  31     geompy.MakeVertex(3,3,1),
  32     geompy.MakeVertex(6,6,2)]
  33
  34   # create SmoothingSurface object
  35   smoothingsurface = geompy.MakeSmoothingSurface(points)
  36   if out_filename:
  37     geompy.ExportBREP(smoothingsurface, out_filename)
  38
  39   # add object in the study
  40   id_smoothingsurface = geompy.addToStudy(smoothingsurface,"SmoothingSurface")
  41
  42   return smoothingsurface
  43 #
  44
  45 def create_meshes(geometry, out_filename=None):
  46   import SMESH
  47   import salome
  48   from salome.smesh import smeshBuilder
  49
  50   smesh = smeshBuilder.New()
  51   Mesh_tri = smesh.Mesh(geometry)
  52
  53   Regular_1D = Mesh_tri.Segment()
  54   Max_Size_1 = Regular_1D.MaxSize(1.28993)
  55
  56   MEFISTO_2D = Mesh_tri.Triangle(algo=smeshBuilder.MEFISTO)
  57   Nb_Segments_1 = smesh.CreateHypothesis('NumberOfSegments')
  58   Nb_Segments_1.SetNumberOfSegments( 15 )
  59   Nb_Segments_1.SetDistrType( 0 )
  60
  61   Mesh_quad = smesh.Mesh(geometry)
  62   status = Mesh_quad.AddHypothesis(Nb_Segments_1)
  63   status = Mesh_quad.AddHypothesis(Regular_1D)
  64
  65   Quadrangle_2D = Mesh_quad.Quadrangle(algo=smeshBuilder.QUADRANGLE)
  66   isDone = Mesh_tri.Compute()
  67   isDone = Mesh_quad.Compute()
  68   smesh.SetName(Mesh_tri, 'Mesh_tri')
  69   if out_filename:
  70     Mesh_tri.ExportMED(out_filename, overwrite=True)
  71   smesh.SetName(Mesh_quad, 'Mesh_quad')
  72   if out_filename:
  73     Mesh_quad.ExportMED(out_filename, overwrite=False)
  74
  75   # Set names of Mesh objects
  76   smesh.SetName(Regular_1D.GetAlgorithm(), 'Regular_1D')
  77   smesh.SetName(Quadrangle_2D.GetAlgorithm(), 'Quadrangle_2D')
  78   smesh.SetName(MEFISTO_2D.GetAlgorithm(), 'MEFISTO_2D')
  79   smesh.SetName(Nb_Segments_1, 'Nb. Segments_1')
  80   smesh.SetName(Max_Size_1, 'Max Size_1')
  81   smesh.SetName(Mesh_tri.GetMesh(), 'Mesh_tri')
  82   smesh.SetName(Mesh_quad.GetMesh(), 'Mesh_quad')
  83
  84   return Mesh_tri, Mesh_quad
  85 #
  86
  87 from MEDLoader import *
  88
  89 def create_field(mesh_filename, mesh_name, field_name, out_filename=None):
  90   mesh = MEDLoader.ReadUMeshFromFile(mesh_filename, mesh_name)
  91   src_field = mesh.fillFromAnalytic(ON_CELLS, 1, "7-sqrt((x-5.)*(x-5.)+(y-5.)*(y-5.)+(z-5.)*(z-5.))")
  92   src_field.setName(field_name)
  93   if out_filename:
  94     MEDLoader.WriteField(out_filename, src_field, True)
  95   return src_field
  96 #