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https://git.salome-platform.org/gitpub/modules/smesh.git
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128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
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#
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# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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#
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import os
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import re
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import batchmode_salome
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import batchmode_geompy
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import batchmode_smesh
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from salome.StdMeshers import StdMeshersBuilder
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smesh = batchmode_smesh.smesh
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smesh.SetCurrentStudy(batchmode_salome.myStudy)
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def CreateMesh (theFileName, area, len = None, nbseg = None):
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if not(os.path.isfile(theFileName)) or re.search("\.brep$", theFileName) is None :
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print("Incorrect file name !")
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return
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if (len is None) and (nbseg is None):
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print("Define length or number of segments !")
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return
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if (len is not None) and (nbseg is not None):
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print("Only one Hypothesis (from length and number of segments) can be defined !")
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return
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# ---- Import shape from BREP file and add it to the study
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shape_mesh = batchmode_geompy.Import(theFileName, "BREP")
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Id_shape = batchmode_geompy.addToStudy(shape_mesh, "shape_mesh")
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# ---- SMESH
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print("-------------------------- create mesh")
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mesh = smesh.Mesh(shape_mesh)
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print("-------------------------- create Hypothesis")
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if (len is not None):
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print("-------------------------- LocalLength")
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algoReg = mesh.Segment()
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hypLength1 = algoReg.LocalLength(len)
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print("Hypothesis type : ", hypLength1.GetName())
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print("Hypothesis ID : ", hypLength1.GetId())
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print("Hypothesis Value: ", hypLength1.GetLength())
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if (nbseg is not None):
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print("-------------------------- NumberOfSegments")
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algoReg = mesh.Segment()
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hypNbSeg1 = algoReg.NumberOfSegments(nbseg)
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print("Hypothesis type : ", hypNbSeg1.GetName())
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print("Hypothesis ID : ", hypNbSeg1.GetId())
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print("Hypothesis Value: ", hypNbSeg1.GetNumberOfSegments())
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if (area == "LengthFromEdges"):
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print("-------------------------- LengthFromEdges")
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algoMef = mesh.Triangle()
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hypLengthFromEdges = algoMef.LengthFromEdges(1)
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print("Hypothesis type : ", hypLengthFromEdges.GetName())
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print("Hypothesis ID : ", hypLengthFromEdges.GetId())
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print("LengthFromEdges Mode: ", hypLengthFromEdges.GetMode())
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else:
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print("-------------------------- MaxElementArea")
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algoMef = mesh.Triangle()
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hypArea1 = algoMef.MaxElementArea(area)
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print("Hypothesis type : ", hypArea1.GetName())
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print("Hypothesis ID : ", hypArea1.GetId())
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print("Hypothesis Value: ", hypArea1.GetMaxElementArea())
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print("-------------------------- Regular_1D")
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listHyp = algoReg.GetCompatibleHypothesis()
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for hyp in listHyp:
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print(hyp)
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print("Algo name: ", algoReg.GetName())
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print("Algo ID : ", algoReg.GetId())
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print("-------------------------- MEFISTO_2D")
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listHyp = algoMef.GetCompatibleHypothesis()
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for hyp in listHyp:
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print(hyp)
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print("Algo name: ", algoMef.GetName())
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print("Algo ID : ", algoMef.GetId())
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# ---- add hypothesis to shape
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print("-------------------------- compute mesh")
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ret = mesh.Compute()
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print("Compute Mesh .... ", end=' ')
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print(ret)
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log = mesh.GetLog(0); # no erase trace
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#for linelog in log:
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# print linelog
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print("------------ INFORMATION ABOUT MESH ------------")
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print("Number of nodes : ", mesh.NbNodes())
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print("Number of edges : ", mesh.NbEdges())
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print("Number of faces : ", mesh.NbFaces())
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print("Number of triangles: ", mesh.NbTriangles())
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return mesh
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