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https://git.salome-platform.org/gitpub/modules/smesh.git
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111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2021 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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# Triangulation of the skin of the geometry from a Brep representing a plane
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# Hypothesis and algorithms for the mesh generation are global
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#
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import os
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import SMESH, SALOMEDS
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New()
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# ---------------------------- GEOM --------------------------------------
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# import a BRep
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#before running this script, please be sure about
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#the path the file fileName
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filePath = os.environ["DATA_DIR"]
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filePath = filePath + "/Shapes/Brep/"
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filename = "flight_solid.brep"
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filename = filePath + filename
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shape = geompy.Import(filename, "BREP")
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idShape = geompy.addToStudy(shape, "flight")
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print("Analysis of the geometry flight :")
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subShellList = geompy.SubShapeAll(shape, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(shape, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(shape, geompy.ShapeType["EDGE"])
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print("number of Shells in flight : ", len(subShellList))
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print("number of Faces in flight : ", len(subFaceList))
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print("number of Edges in flight : ", len(subEdgeList))
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### ---------------------------- SMESH --------------------------------------
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smesh.UpdateStudy()
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# ---- init a Mesh with the shell
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shape_mesh = salome.IDToObject( idShape )
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mesh = smesh.Mesh(shape_mesh, "MeshFlight")
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# ---- set Hypothesis and Algorithm
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print("-------------------------- LocalLength")
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lengthOfSegments = 0.3
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regular1D = mesh.Segment()
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hypLength = regular1D.LocalLength(lengthOfSegments)
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print(hypLength.GetName())
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print(hypLength.GetId())
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print(hypLength.GetLength())
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smesh.SetName(hypLength, "LocalLength_" + str(lengthOfSegments))
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print("-------------------------- LengthFromEdges")
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mefisto2D = mesh.Triangle()
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hypLengthFromEdge = mefisto2D.LengthFromEdges()
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print(hypLengthFromEdge.GetName())
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print(hypLengthFromEdge.GetId())
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smesh.SetName(hypLengthFromEdge,"LengthFromEdge")
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print("-------------------------- compute the skin flight")
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ret = mesh.Compute()
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print(ret)
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if ret != 0:
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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 the Mesh_mechanic_tetra:")
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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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print("Number of volumes : ", mesh.NbVolumes())
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else:
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print("probleme when computing the mesh")
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salome.sg.updateObjBrowser()
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