+ // delete sub-meshes
+ map <int, SMESH_subMesh*>::iterator sm = _mapSubMesh.begin();
+ for ( ; sm != _mapSubMesh.end(); ++sm )
+ {
+ delete sm->second;
+ sm->second = 0;
+ }
+ _mapSubMesh.clear();
+
+ if ( _callUp) delete _callUp;
+ _callUp = 0;
+
+ // remove self from studyContext
+ if ( _gen )
+ {
+ StudyContextStruct * studyContext = _gen->GetStudyContext( _studyId );
+ studyContext->mapMesh.erase( _id );
+ }
+ if ( _myDocument )
+ _myDocument->RemoveMesh( _id );
+ _myDocument = 0;
+
+ if ( _myMeshDS )
+ // delete _myMeshDS, in a thread in order not to block closing a study with large meshes
+ boost::thread aThread(boost::bind( & deleteMeshDS, _myMeshDS ));
+}
+
+//================================================================================
+/*!
+ * \brief Return true if a mesh with given id exists
+ */
+//================================================================================
+
+bool SMESH_Mesh::MeshExists( int meshId ) const
+{
+ return _myDocument ? _myDocument->GetMesh( meshId ) : false;