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https://git.salome-platform.org/gitpub/modules/smesh.git
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59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# Export of a Mesh
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import os
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import tempfile
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import MEDLoader
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import salome
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salome.salome_init_without_session()
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from salome.geom import geomBuilder
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from salome.smesh import smeshBuilder
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geom_builder = geomBuilder.New()
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smesh_builder = smeshBuilder.New()
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# create a box
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box = geom_builder.MakeBox(0., 0., 0., 100., 200., 300.)
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idbox = geom_builder.addToStudy(box, "box")
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# create a mesh
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tetra = smesh_builder.Mesh(box, "MeshBox")
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tetra.Segment().NumberOfSegments(7)
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tetra.Triangle()
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tetra.Tetrahedron()
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# compute the mesh
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tetra.Compute()
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# export the mesh in a MED file
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medFile = tempfile.NamedTemporaryFile(suffix=".med").name
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tetra.ExportMED( medFile, 0 )
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# export a group in a MED file
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face = geom_builder.SubShapeAll( box, geom_builder.ShapeType["FACE"])[0] # a box side
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group = tetra.GroupOnGeom( face, "face group" ) # group of 2D elements on the <face>
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tetra.ExportMED( medFile, meshPart=group )
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# ========================
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# autoDimension parameter
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# ========================
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face = geom_builder.MakeFaceHW( 10, 10, 1, "rectangle" )
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mesh2D = smesh_builder.Mesh( face, "mesh2D" )
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mesh2D.AutomaticHexahedralization(0)
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# exported mesh is in 2D space because it is a planar mesh lying
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# on XOY plane, and autoDimension=True by default
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mesh2D.ExportMED( medFile )
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medMesh = MEDLoader.ReadUMeshFromFile(medFile,mesh2D.GetName(),0)
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print("autoDimension==True, exported mesh is in %sD"%medMesh.getSpaceDimension())
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# exported mesh is in 3D space, same as in Mesh module,
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# thanks to autoDimension=False
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mesh2D.ExportMED( medFile, autoDimension=False )
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medMesh = MEDLoader.ReadUMeshFromFile(medFile,mesh2D.GetName(),0)
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print("autoDimension==False, exported mesh is in %sD"%medMesh.getSpaceDimension())
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os.remove( medFile )
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