smesh/doc/salome/examples/creating_meshes_ex08.py

60 lines
1.7 KiB
Python
Raw Normal View History

2013-02-12 20:37:44 +06:00
# Mesh Copying
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
2017-06-13 15:01:10 +05:00
geompy = geomBuilder.New()
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
2017-06-13 15:01:10 +05:00
smesh = smeshBuilder.New()
2013-02-12 20:37:44 +06:00
# make geometry of a box
box = geompy.MakeBoxDXDYDZ(100,100,100)
face = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])[0]
# generate a prismatic 3D mesh
mesh = smesh.Mesh(box, "box")
2013-02-12 20:37:44 +06:00
localAlgo = mesh.Triangle(face)
mesh.Segment().NumberOfSegments( 3 )
mesh.Quadrangle()
mesh.Prism()
mesh.Compute()
2013-02-12 20:37:44 +06:00
# objects to copy
fGroup = mesh.GroupOnGeom( face, "2D on face")
nGroup = mesh.GroupOnGeom( face, "nodes on face", SMESH.NODE)
2013-02-12 20:37:44 +06:00
subMesh = localAlgo.GetSubMesh()
# make a new mesh by copying different parts of the mesh
# 1. copy the whole mesh
newMesh = smesh.CopyMesh( mesh, "whole mesh copy")
2013-02-12 20:37:44 +06:00
# 2. copy a group of 2D elements along with groups
newMesh = smesh.CopyMesh( fGroup, "face group copy with groups",toCopyGroups=True)
2013-02-12 20:37:44 +06:00
# 3. copy a group of nodes
newMesh = smesh.CopyMesh( nGroup, "node group copy")
2013-02-12 20:37:44 +06:00
# 4. copy some faces
faceIds = fGroup.GetIDs()[-10:]
newMesh = smesh.CopyMesh( mesh.GetIDSource( faceIds, SMESH.FACE ), "some faces copy")
2013-02-12 20:37:44 +06:00
# 5. copy some nodes
nodeIds = nGroup.GetIDs()[-10:]
newMesh = smesh.CopyMesh( mesh.GetIDSource( nodeIds, SMESH.NODE), "some nodes copy")
2013-02-12 20:37:44 +06:00
# 6. copy a sub-mesh
newMesh = smesh.CopyMesh( subMesh, "sub-mesh copy" )
# make a new mesh with same hypotheses on a modified geometry
smallBox = geompy.MakeScaleAlongAxes( box, None, 1, 0.5, 0.5 )
cutBox = geompy.MakeCut( box, smallBox, theName="box - smallBox" )
ok, newMesh, groups, submehses, hyps, invIDs = smesh.CopyMeshWithGeom( mesh, cutBox, "cutBox" )
newMesh.Compute()