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https://git.salome-platform.org/gitpub/modules/smesh.git
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60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
# Mesh Copying
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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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# make geometry of a box
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box = geompy.MakeBoxDXDYDZ(100,100,100)
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face = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])[0]
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# generate a prismatic 3D mesh
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mesh = smesh.Mesh(box, "box")
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localAlgo = mesh.Triangle(face)
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mesh.Segment().NumberOfSegments( 3 )
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mesh.Quadrangle()
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mesh.Prism()
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mesh.Compute()
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# objects to copy
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fGroup = mesh.GroupOnGeom( face, "2D on face")
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nGroup = mesh.GroupOnGeom( face, "nodes on face", SMESH.NODE)
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subMesh = localAlgo.GetSubMesh()
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# make a new mesh by copying different parts of the mesh
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# 1. copy the whole mesh
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newMesh = smesh.CopyMesh( mesh, "whole mesh copy")
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# 2. copy a group of 2D elements along with groups
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newMesh = smesh.CopyMesh( fGroup, "face group copy with groups",toCopyGroups=True)
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# 3. copy a group of nodes
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newMesh = smesh.CopyMesh( nGroup, "node group copy")
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# 4. copy some faces
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faceIds = fGroup.GetIDs()[-10:]
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newMesh = smesh.CopyMesh( mesh.GetIDSource( faceIds, SMESH.FACE ), "some faces copy")
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# 5. copy some nodes
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nodeIds = nGroup.GetIDs()[-10:]
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newMesh = smesh.CopyMesh( mesh.GetIDSource( nodeIds, SMESH.NODE), "some nodes copy")
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# 6. copy a sub-mesh
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newMesh = smesh.CopyMesh( subMesh, "sub-mesh copy" )
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# make a new mesh with same hypotheses on a modified geometry
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smallBox = geompy.MakeScaleAlongAxes( box, None, 1, 0.5, 0.5 )
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cutBox = geompy.MakeCut( box, smallBox, theName="box - smallBox" )
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ok, newMesh, groups, submehses, hyps, invIDs = smesh.CopyMeshWithGeom( mesh, cutBox, "cutBox" )
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newMesh.Compute()
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