<map id="G" name="G">
<area shape="rect" id="node2" href="$a00051.html" title="Helper base class for implementing Optimizer techniques." alt="" coords="57,160,252,189"/>
<area shape="rect" id="node4" href="$a00497.html" title="Visitor for type safe operations on osg::Nodes." alt="" coords="96,83,213,112"/>
<area shape="rect" id="node6" href="$a00627.html" title="Base class from providing referencing counted objects." alt="" coords="96,5,213,35"/>
</map>