<map id="QwtPlotZoneItem" name="QwtPlotZoneItem">
<area shape="rect" id="node1" title="A plot item, which displays a zone." alt="" coords="5,80,131,107"/>
<area shape="rect" id="node2" href="$class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="21,5,115,32"/>
</map>
