<map id="G" name="G">
<area shape="rect" href="$class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget." alt="" coords="9,229,121,256"/>
<area shape="rect" href="$class_qwt_picker.html" title="QwtPicker provides selections on a widget." alt="" coords="25,80,105,107"/>
<area shape="rect" href="$class_qwt_event_pattern.html" title="A collection of event patterns." alt="" coords="5,5,125,32"/>
</map>
