1<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> 2<area shape="rect" id="node1" href="$classoperations__research_1_1glop_1_1_scattered_vector_entry.html" title=" " alt="" coords="5,5,164,47"/> 3<area shape="rect" id="node2" href="$classoperations__research_1_1glop_1_1_scattered_row_entry.html" title=" " alt="" coords="212,13,359,39"/> 4</map> 5