<map id="QwtEventPattern" name="QwtEventPattern">
<area shape="rect" id="Node000001" title="A collection of event patterns." alt="" coords="67,5,188,31"/>
<area shape="rect" id="Node000002" href="$class_qwt_picker.html" title="QwtPicker provides selections on a widget." alt="" coords="86,79,169,104"/>
<area shape="poly" id="edge1_Node000001_Node000002" title=" " alt="" coords="130,44,130,79,125,79,125,44"/>
<area shape="rect" id="Node000003" href="$class_qwt_plot_picker.html" title="QwtPlotPicker provides selections on a plot canvas." alt="" coords="9,152,115,177"/>
<area shape="poly" id="edge2_Node000002_Node000003" title=" " alt="" coords="109,116,75,154,71,150,105,113"/>
<area shape="rect" id="Node000005" href="$class_qwt_polar_picker.html" title="QwtPolarPicker provides selections on a plot canvas." alt="" coords="138,152,250,177"/>
<area shape="poly" id="edge4_Node000002_Node000005" title=" " alt="" coords="150,113,185,150,181,154,146,116"/>
<area shape="rect" id="Node000004" href="$class_qwt_plot_zoomer.html" title="QwtPlotZoomer provides stacked zooming for a plot widget." alt="" coords="5,225,119,251"/>
<area shape="poly" id="edge3_Node000003_Node000004" title=" " alt="" coords="65,191,65,225,59,225,59,191"/>
</map>
