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49 lines
1.0 KiB
Python
49 lines
1.0 KiB
Python
# Free Nodes
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import salome
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import geompy
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import smesh
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# create box
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box = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
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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_nodes")
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algo = mesh.Segment()
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algo.NumberOfSegments(10)
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algo = mesh.Triangle(smesh.MEFISTO)
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algo.MaxElementArea(150.)
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mesh.Compute()
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# Remove some elements to obtain free nodes
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# Criterion : AREA < 80.
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area_margin = 80.
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aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, area_margin)
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anIds = mesh.GetIdsFromFilter(aFilter)
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mesh.RemoveElements(anIds)
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# criterion : free nodes
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aFilter = smesh.GetFilter(smesh.NODE, smesh.FT_FreeNodes)
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anNodeIds = mesh.GetIdsFromFilter(aFilter)
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# create a group
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aGroup = mesh.CreateEmptyGroup(smesh.NODE, "Free_nodes")
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aGroup.Add(anNodeIds)
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# print the result
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print "Criterion: Free nodes Nb = ", len(anNodeIds)
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j = 1
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for i in range(len(anNodeIds)):
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if j > 20: j = 1; print ""
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print anNodeIds[i],
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j = j + 1
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pass
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print ""
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salome.sg.updateObjBrowser(1)
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