mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 18:52:51 +05:00
111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
|
|
#
|
|
# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
|
|
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
|
|
#
|
|
# 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
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# 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.
|
|
#
|
|
# 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
|
|
#
|
|
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
#
|
|
|
|
# Triangulation of the skin of the geometry from a Brep representing a plane
|
|
# Hypothesis and algorithms for the mesh generation are global
|
|
#
|
|
import os
|
|
import salome
|
|
salome.salome_init()
|
|
import GEOM
|
|
from salome.geom import geomBuilder
|
|
geompy = geomBuilder.New()
|
|
|
|
import SMESH, SALOMEDS
|
|
from salome.smesh import smeshBuilder
|
|
smesh = smeshBuilder.New()
|
|
|
|
|
|
# ---------------------------- 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
|
|
|
|
shape = geompy.ImportBREP(filename)
|
|
idShape = geompy.addToStudy(shape, "flight")
|
|
|
|
print("Analysis of the geometry flight :")
|
|
subShellList = geompy.SubShapeAll(shape, geompy.ShapeType["SHELL"])
|
|
subFaceList = geompy.SubShapeAll(shape, geompy.ShapeType["FACE"])
|
|
subEdgeList = geompy.SubShapeAll(shape, geompy.ShapeType["EDGE"])
|
|
|
|
print("number of Shells in flight : ", len(subShellList))
|
|
print("number of Faces in flight : ", len(subFaceList))
|
|
print("number of Edges in flight : ", len(subEdgeList))
|
|
|
|
|
|
### ---------------------------- SMESH --------------------------------------
|
|
smesh.UpdateStudy()
|
|
|
|
# ---- 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())
|
|
print(hypLength.GetId())
|
|
print(hypLength.GetLength())
|
|
smesh.SetName(hypLength, "LocalLength_" + str(lengthOfSegments))
|
|
|
|
print("-------------------------- LengthFromEdges")
|
|
|
|
triangle = mesh.Triangle()
|
|
hypLengthFromEdge = triangle.LengthFromEdges()
|
|
print(hypLengthFromEdge.GetName())
|
|
print(hypLengthFromEdge.GetId())
|
|
smesh.SetName(hypLengthFromEdge,"LengthFromEdge")
|
|
|
|
print("-------------------------- compute the skin flight")
|
|
ret = mesh.Compute()
|
|
print(ret)
|
|
if not ret:
|
|
raise Exception("Error when computing Mesh")
|
|
|
|
log = mesh.GetLog(0) # no erase trace
|
|
# for linelog in log:
|
|
# print(linelog)
|
|
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())
|
|
|
|
salome.sg.updateObjBrowser()
|