+<br>
+\anchor tui_create_dim_group
+<h2>Creating groups of entities from existing groups of superior dimensions</h2>
+
+\code
+import SMESH_mechanic
+
+smesh = SMESH_mechanic.smesh
+mesh = SMESH_mechanic.mesh
+salome = SMESH_mechanic.salome
+
+# Criterion : AREA > 100
+aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_MoreThan, 100.)
+
+anIds = mesh.GetIdsFromFilter(aFilter)
+
+print "Criterion: Area > 100, Nb = ", len(anIds)
+
+# create a group by adding elements with area > 100
+aSrcGroup1 = mesh.MakeGroupByIds("Area > 100", smesh.FACE, anIds)
+
+# Criterion : AREA < 30
+aFilter = smesh.GetFilter(smesh.FACE, smesh.FT_Area, smesh.FT_LessThan, 30.)
+
+anIds = mesh.GetIdsFromFilter(aFilter)
+
+print "Criterion: Area < 30, Nb = ", len(anIds)
+
+# create a group by adding elements with area < 30
+aSrcGroup2 = mesh.MakeGroupByIds("Area < 30", smesh.FACE, anIds)
+
+# Create group of edges using source groups of faces
+aGrp = mesh.CreateDimGroup( [aSrcGroup1, aSrcGroup2], smesh.EDGE, "Edges" )
+
+# Create group of nodes using source groups of faces
+aGrp = mesh.CreateDimGroup( [aSrcGroup1, aSrcGroup2], smesh.NODE, "Nodes" )
+
+salome.sg.updateObjBrowser(1)
+\endcode
+
+\image html dimgroup_tui1.png
+<center>Source groups of faces<\center>
+
+\image html dimgroup_tui2.png
+<center>Result groups of edges and nodes<\center>
+
+
+
+
+