# Union of groups
import SMESH_mechanic
-import SMESH
+import SMESH, SALOMEDS
smesh = SMESH_mechanic.smesh
mesh = SMESH_mechanic.mesh
# create union group : area >= 20
aGroup3 = mesh.UnionListOfGroups([aGroup1, aGroup2], "Area >= 20")
+aGroup3.SetColor( SALOMEDS.Color(1.,1.,0.));
print "Criterion: Area >= 20, Nb = ", len(aGroup3.GetListOfID())
# Please note that also there is UnionGroups() method which works with two groups only
# create a group by adding elements with area < 20
aGroup4 = mesh.CreateEmptyGroup(SMESH.FACE, "Area < 20")
aGroup4.Add(anIds)
+aGroup4.SetColor( SALOMEDS.Color(1.,0.,0.));
# create union group : area >= 20 and area < 20
aGroup5 = mesh.UnionListOfGroups([aGroup3, aGroup4], "Any Area")