<map id="QwtPlotMarker" name="QwtPlotMarker">
<area shape="rect" id="node1" title="A class for drawing markers." alt="" coords="5,80,115,107"/>
<area shape="rect" id="node2" href="$class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="13,5,107,32"/>
</map>
