<map id="G" name="G">
<area shape="rect" id="node7" href="$class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget." alt="" coords="9,237,119,267"/>
<area shape="rect" id="node2" href="$class_qwt_picker.html" title="QwtPicker provides selections on a widget." alt="" coords="23,83,105,112"/>
<area shape="rect" id="node4" href="$class_qwt_event_pattern.html" title="A collection of event patterns." alt="" coords="5,5,123,35"/>
</map>