<map id="QwtPlotRasterItem" name="QwtPlotRasterItem">
<area shape="rect" id="node1" title="A class, which displays raster data." alt="" coords="10,80,143,107"/>
<area shape="rect" id="node3" href="$class_qwt_plot_spectrogram.html" title="A plot item, which displays a spectrogram." alt="" coords="5,155,148,181"/>
<area shape="rect" id="node2" href="$class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="29,5,124,32"/>
</map>
