smesh/doc/salome/examples/grouping_elements_ex06.py
2017-03-20 13:41:53 +01:00

38 lines
1.1 KiB
Python

# Intersection of groups
import SMESH_mechanic
import SMESH
smesh = SMESH_mechanic.smesh
mesh = SMESH_mechanic.mesh
salome = SMESH_mechanic.salome
# Criterion : AREA > 20
aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Area, SMESH.FT_MoreThan, 20.)
anIds = mesh.GetIdsFromFilter(aFilter)
print("Criterion: Area > 20, Nb = ", len(anIds))
# create a group by adding elements with area > 20
aGroup1 = mesh.CreateEmptyGroup(SMESH.FACE, "Area > 20")
aGroup1.Add(anIds)
# Criterion : AREA < 60
aFilter = smesh.GetFilter(SMESH.FACE, SMESH.FT_Area, SMESH.FT_LessThan, 60.)
anIds = mesh.GetIdsFromFilter(aFilter)
print("Criterion: Area < 60, Nb = ", len(anIds))
# create a group by adding elements with area < 60
aGroup2 = mesh.CreateEmptyGroup(SMESH.FACE, "Area < 60")
aGroup2.Add(anIds)
# create an intersection of groups : 20 < area < 60
aGroup3 = mesh.IntersectListOfGroups([aGroup1, aGroup2], "20 < Area < 60")
print("Criterion: 20 < Area < 60, Nb = ", len(aGroup3.GetListOfID()))
# Please note that also there is IntersectGroups() method which works with two groups only
salome.sg.updateObjBrowser(True)