smesh/src/SMESH_SWIG/SMESH_flight_skin.py

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# -*- 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,
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#
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# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# 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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# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
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# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
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# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
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# Triangulation of the skin of the geometry from a Brep representing a plane
# Hypothesis and algorithms for the mesh generation are global
#
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import os
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New(salome.myStudy)
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
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# ---------------------------- GEOM --------------------------------------
# import a BRep
#before running this script, please be sure about
#the path the file fileName
filePath = os.environ["DATA_DIR"]
filePath = filePath + "/Shapes/Brep/"
filename = "flight_solid.brep"
filename = filePath + filename
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shape = geompy.Import(filename, "BREP")
idShape = geompy.addToStudy(shape, "flight")
print "Analysis of the geometry flight :"
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subShellList = geompy.SubShapeAll(shape, geompy.ShapeType["SHELL"])
subFaceList = geompy.SubShapeAll(shape, geompy.ShapeType["FACE"])
subEdgeList = geompy.SubShapeAll(shape, geompy.ShapeType["EDGE"])
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print "number of Shells in flight : ", len(subShellList)
print "number of Faces in flight : ", len(subFaceList)
print "number of Edges in flight : ", len(subEdgeList)
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### ---------------------------- SMESH --------------------------------------
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smesh.SetCurrentStudy(salome.myStudy)
# ---- init a Mesh with the shell
shape_mesh = salome.IDToObject( idShape )
mesh = smesh.Mesh(shape_mesh, "MeshFlight")
# ---- set Hypothesis and Algorithm
print "-------------------------- LocalLength"
lengthOfSegments = 0.3
regular1D = mesh.Segment()
hypLength = regular1D.LocalLength(lengthOfSegments)
print hypLength.GetName()
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print hypLength.GetId()
print hypLength.GetLength()
smesh.SetName(hypLength, "LocalLength_" + str(lengthOfSegments))
print "-------------------------- LengthFromEdges"
mefisto2D = mesh.Triangle()
hypLengthFromEdge = mefisto2D.LengthFromEdges()
print hypLengthFromEdge.GetName()
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print hypLengthFromEdge.GetId()
smesh.SetName(hypLengthFromEdge,"LengthFromEdge")
print "-------------------------- compute the skin flight"
ret = mesh.Compute()
print ret
if ret != 0:
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log = mesh.GetLog(0) # no erase trace
for linelog in log:
print linelog
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print "Information about the Mesh_mechanic_tetra:"
print "Number of nodes : ", mesh.NbNodes()
print "Number of edges : ", mesh.NbEdges()
print "Number of faces : ", mesh.NbFaces()
print "Number of triangles : ", mesh.NbTriangles()
print "Number of volumes : ", mesh.NbVolumes()
else:
print "probleme when computing the mesh"
salome.sg.updateObjBrowser(True)