<map id="QwtPlotHistogram" name="QwtPlotHistogram">
<area shape="rect" id="node1" title="QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( &#160;)." alt="" coords="100,169,229,196"/>
<area shape="rect" id="node2" href="$class_qwt_plot_series_item.html" title="Base class for plot items representing a series of samples." alt="" coords="5,87,137,114"/>
<area shape="rect" id="node3" href="$class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="25,5,118,32"/>
<area shape="rect" id="node4" href="$class_qwt_abstract_series_store.html" title="Bridge between QwtSeriesStore and QwtPlotSeriesItem." alt="" coords="160,5,324,32"/>
<area shape="rect" id="node5" href="$class_qwt_series_store.html" title=" " alt="" coords="162,80,357,121"/>
</map>
