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48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
# Free Borders
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import salome
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salome.salome_init_without_session()
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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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# create open shell: a box without one plane
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box = geompy.MakeBox(0., 0., 0., 20., 20., 15.)
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FaceList = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
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FaceList.remove(FaceList[5])
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box = geompy.MakeShell(FaceList)
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idbox = geompy.addToStudy(box, "box")
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# create a mesh
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mesh = smesh.Mesh(box, "Mesh_free_borders")
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algo = mesh.Segment()
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algo.NumberOfSegments(5)
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algo = mesh.Triangle()
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algo.MaxElementArea(20.)
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mesh.Compute()
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# criterion : free borders
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aFilter = smesh.GetFilter(SMESH.EDGE, SMESH.FT_FreeBorders)
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anIds = mesh.GetIdsFromFilter(aFilter)
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# print the result
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print("Criterion: Free borders Nb = ", len(anIds))
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j = 1
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for i in range(len(anIds)):
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if j > 20: j = 1; print("")
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print(anIds[i], end=' ')
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j = j + 1
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pass
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print("")
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# create a group
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aGroup = mesh.GetMesh().CreateGroup(SMESH.EDGE, "Free borders")
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aGroup.Add(anIds)
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salome.sg.updateObjBrowser()
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