<map id="QwtPlotCanvas" name="QwtPlotCanvas">
<area shape="rect" id="node1" title="Canvas of a QwtPlot." alt="" coords="53,80,166,107"/>
<area shape="rect" id="node2" title=" " alt="" coords="5,5,75,32"/>
<area shape="rect" id="node3" href="$class_qwt_plot_abstract_canvas.html" title="Base class for all type of plot canvases." alt="" coords="99,5,261,32"/>
</map>
