mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-26 01:10:35 +05:00
124 lines
3.6 KiB
Python
124 lines
3.6 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
|
|
#
|
|
|
|
# GEOM GEOM_SWIG : binding of C++ implementation with Python
|
|
# File : GEOM_Sphere.py
|
|
# Author : Damien COQUERET, Open CASCADE
|
|
# Module : GEOM
|
|
# $Header:
|
|
#
|
|
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()
|
|
|
|
import math
|
|
|
|
# It is an example of creating a hexahedrical mesh on a sphere.
|
|
#
|
|
# Used approach allows to avoid problems with degenerated and
|
|
# seam edges without special processing of geometrical shapes
|
|
|
|
#-----------------------------------------------------------------------
|
|
#Variables
|
|
Radius = 100.
|
|
Dist = Radius / 2.
|
|
Factor = 2.5
|
|
Angle90 = math.pi / 2.
|
|
NbSeg = 10
|
|
|
|
PointsList = []
|
|
ShapesList = []
|
|
|
|
#Basic Elements
|
|
P0 = geompy.MakeVertex(0., 0., 0.)
|
|
P1 = geompy.MakeVertex(-Dist, -Dist, -Dist)
|
|
P2 = geompy.MakeVertex(-Dist, -Dist, Dist)
|
|
P3 = geompy.MakeVertex(-Dist, Dist, Dist)
|
|
P4 = geompy.MakeVertex(-Dist, Dist, -Dist)
|
|
|
|
VZ = geompy.MakeVectorDXDYDZ(0., 0., 1.)
|
|
|
|
#Construction Elements
|
|
PointsList.append(P1)
|
|
PointsList.append(P2)
|
|
PointsList.append(P3)
|
|
PointsList.append(P4)
|
|
PointsList.append(P1)
|
|
|
|
PolyLine = geompy.MakePolyline(PointsList)
|
|
|
|
Face1 = geompy.MakeFace(PolyLine, 1)
|
|
Face2 = geompy.MakeScaleTransform(Face1, P0, Factor)
|
|
Face3 = geompy.MakeScaleTransform(Face1, P0, -1.)
|
|
|
|
#Models
|
|
Sphere = geompy.MakeSphereR(Radius)
|
|
|
|
Block = geompy.MakeHexa2Faces(Face1, Face2)
|
|
Cube = geompy.MakeHexa2Faces(Face1, Face3)
|
|
|
|
Common1 = geompy.MakeBoolean(Sphere, Block, 1)
|
|
Common2 = geompy.MakeRotation(Common1, VZ, Angle90)
|
|
|
|
MultiBlock1 = geompy.MakeMultiTransformation1D(Common1, 20, -1, 3)
|
|
MultiBlock2 = geompy.MakeMultiTransformation1D(Common2, 30, -1, 3)
|
|
|
|
#Reconstruct sphere from several blocks
|
|
ShapesList.append(Cube)
|
|
ShapesList.append(MultiBlock1)
|
|
ShapesList.append(MultiBlock2)
|
|
Compound = geompy.MakeCompound(ShapesList)
|
|
|
|
Result = geompy.MakeGlueFaces(Compound, 0.1)
|
|
|
|
#addToStudy
|
|
Id_Sphere = geompy.addToStudy(Sphere, "Sphere")
|
|
Id_Cube = geompy.addToStudy(Cube, "Cube")
|
|
|
|
Id_Common1 = geompy.addToStudy(Common1, "Common1")
|
|
Id_Common2 = geompy.addToStudy(Common2, "Common2")
|
|
|
|
Id_MultiBlock1 = geompy.addToStudy(MultiBlock1, "MultiBlock1")
|
|
Id_MultiBlock2 = geompy.addToStudy(MultiBlock2, "MultiBlock2")
|
|
|
|
Id_Result = geompy.addToStudy(Result, "Result")
|
|
|
|
#-----------------------------------------------------------------------
|
|
#Meshing
|
|
my_hexa = smesh.Mesh(Result, "Sphere_Mesh")
|
|
algo = my_hexa.Segment()
|
|
algo.NumberOfSegments(NbSeg)
|
|
my_hexa.Quadrangle()
|
|
my_hexa.Hexahedron()
|
|
isDone = my_hexa.Compute()
|
|
if not isDone:
|
|
raise Exception("Error when computing Mesh")
|
|
|
|
salome.sg.updateObjBrowser()
|