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https://git.salome-platform.org/gitpub/modules/smesh.git
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48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# Sew Free Borders
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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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# make two not sewed quadranges
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OY0 = geom_builder.MakeVectorDXDYDZ(0, 1, 0)
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OY1 = geom_builder.MakeTranslation( OY0, 1, 0, 0, theName="OY1" )
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OY2 = geom_builder.MakeTranslation( OY0, 1.01, 0, 0, theName="OY2" )
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OY3 = geom_builder.MakeTranslation( OY0, 2, 0, 0 )
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q1 = geom_builder.MakeQuad2Edges( OY0, OY1 )
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q2 = geom_builder.MakeQuad2Edges( OY2, OY3 )
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shape = geom_builder.MakeCompound( [q1,q2], theName='shape' )
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# make a non-uniform quadrangle mesh on two faces
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mesh = smesh_builder.Mesh(shape, "Two faces : quadrangle mesh")
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mesh.Segment().Arithmetic1D( 0.1, 0.4 )
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mesh.Segment(q1).NumberOfSegments( 5 )
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mesh.Quadrangle()
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if not mesh.Compute(): raise Exception("Error when computing Mesh")
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# sew free borders
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segs1 = mesh.GetSubMeshElementsId( OY1 ) # mesh segments generated on borders
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segs2 = mesh.GetSubMeshElementsId( OY2 )
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FirstNodeID1 = mesh.GetElemNode( segs1[0], 0 )
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SecondNodeID1 = mesh.GetElemNode( segs1[0], 1 )
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LastNodeID1 = mesh.GetElemNode( segs1[-1], 1 )
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FirstNodeID2 = mesh.GetElemNode( segs2[0], 0 )
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SecondNodeID2 = mesh.GetElemNode( segs2[0], 1 )
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LastNodeID2 = mesh.GetElemNode( segs2[-1], 1 )
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CreatePolygons = True
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CreatePolyedrs = False
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res = mesh.SewFreeBorders(FirstNodeID1, SecondNodeID1, LastNodeID1,
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FirstNodeID2, SecondNodeID2, LastNodeID2,
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CreatePolygons, CreatePolyedrs )
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print(res)
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print("nb polygons:", mesh.NbPolygons())
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