<map id="QwtPickerDragLineMachine" name="QwtPickerDragLineMachine">
<area shape="rect" id="node1" title="A state machine for line selections." alt="" coords="5,80,195,107"/>
<area shape="rect" id="node2" href="$class_qwt_picker_machine.html" title="A state machine for QwtPicker selections." alt="" coords="33,5,167,32"/>
</map>
