<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> <area shape="rect" id="node1" href="$class_qwt_series_data.html" title="QwtSeriesData\< QwtSetSample \>" alt="" coords="5,13,232,39"/> <area shape="rect" id="node2" href="$class_qwt_array_series_data.html" title="QwtArraySeriesData\l\< QwtSetSample \>" alt="" coords="280,5,425,47"/> <area shape="rect" id="node3" href="$class_qwt_set_series_data.html" title="Interface for iterating over an array of samples. " alt="" coords="473,13,607,39"/> </map>