smesh/doc/salome/examples/grouping_elements_ex04.py

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# Edit a Group
import SMESH_mechanic
import SMESH
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smesh = SMESH_mechanic.smesh
mesh = SMESH_mechanic.mesh
salome = SMESH_mechanic.salome
# Get ids of all faces with area > 35
aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Area, SMESH.FT_MoreThan, 35.)
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anIds = mesh.GetIdsFromFilter(aFilter)
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print("Criterion: Area > 35, Nb = ", len(anIds))
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# create a group by adding elements with area > 35
aGroup = mesh.CreateEmptyGroup(SMESH.FACE, "Area > 35")
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aGroup.Add(anIds)
# Get ids of all faces with area > 40
aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Area, SMESH.FT_MoreThan, 40.)
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anIds = mesh.GetIdsFromFilter(aFilter)
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print("Criterion: Area > 40, Nb = ", len(anIds))
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# create a group of elements with area [35; 40] by removing elements with area > 40 from group aGroup
aGroup.Remove(anIds)
aGroup.SetName("35 < Area < 40")
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# print the result
aGroupElemIDs = aGroup.GetListOfID()
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print("Criterion: 35 < Area < 40, Nb = ", len(aGroupElemIDs))
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j = 1
for i in range(len(aGroupElemIDs)):
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if j > 20: j = 1; print("")
print(aGroupElemIDs[i], end=' ')
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j = j + 1
pass
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print("")
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salome.sg.updateObjBrowser(True)