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33 lines
972 B
Python
33 lines
972 B
Python
# Usage of Medial Axis Projection algorithm
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# for meshing a ring face with quadrangles
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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 ring face
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circleEdge1 = geom_builder.MakeCircleR( 3 )
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circleEdge2 = geom_builder.MakeCircleR( 7 )
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ring = geom_builder.MakeFaceWires( [ circleEdge1, circleEdge2 ], True, theName='Ring' )
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circleLen1 = geom_builder.BasicProperties( circleEdge1 )[0]
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circleLen2 = geom_builder.BasicProperties( circleEdge2 )[0]
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# make a mesh
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mesh = smesh_builder.Mesh( ring )
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circNbSeg = 60
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algo1d = mesh.Segment()
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algo1d.NumberOfSegments( circNbSeg ) # division of circle edges
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algo2d = mesh.Quadrangle( smeshBuilder.QUAD_MA_PROJ )
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algo2d.StartEndLength( circleLen2 / circNbSeg, circleLen1 / circNbSeg ) # radial division
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if not mesh.Compute(): raise Exception("Error when computing Mesh")
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