void getAffectedEdges ( int cluster , AttributeStreamOfInt32 edges ) { int first_edge = getClusterFirstEdge ( cluster ) ; if ( first_edge == - 1 ) return ; int edge = first_edge ; do { int sweepNode = getEdgeSweepNode ( edge ) ; if ( StridedIndexTypeCollection . isValidElement ( sweepNode ) ) { edges . add ( edge ) ; } edge = getNextEdge ( edge , cluster ) ; } while ( edge != first_edge ) ; }
change of cluster coordinate .