if ( mainGO->_is_nil() || /* shape was removed from GEOM_Client by newGroupShape()
called by other mesh (IPAL52735) */
mainGO->GetType() == GEOM_GROUP ||
if ( mainGO->_is_nil() || /* shape was removed from GEOM_Client by newGroupShape()
called by other mesh (IPAL52735) */
mainGO->GetType() == GEOM_GROUP ||