0019939: EDF 762 SMESH : Definition of groups from other existing groups
SMESH_Mesh.idl is extended with:
SMESH_Group UnionListOfGroups(in ListOfGroups aListOfGroups,
in string name );
SMESH_Group IntersectListOfGroups (in ListOfGroups aListOfGroups,
in string name);
SMESH_Group CutListOfGroups (in ListOfGroups aMainGroups,
in ListOfGroups aToolGroups,
in string name);
for supporting works with several groups and
SMESH_Group CreateDimGroup( in ListOfGroups aListOfGroups,
in ElementType anElemType,
in string name );
for creating groups of entities from existing groups of superior dimensions
