<map id="G" name="G">
<area shape="rect" id="node2" href="$a00240.html" title="The base class for special effects." alt="" coords="13,315,115,344"/>
<area shape="rect" id="node4" href="$a00338.html" title="General group node which maintains a list of children." alt="" coords="21,237,107,267"/>
<area shape="rect" id="node6" href="$a00491.html" title="Base class for all internal nodes in the scene graph." alt="" coords="23,160,105,189"/>
<area shape="rect" id="node8" href="$a00500.html" title="Base class/standard interface for objects which require IO support, cloning and reference counting..." alt="" coords="20,83,108,112"/>
<area shape="rect" id="node10" href="$a00627.html" title="Base class from providing referencing counted objects." alt="" coords="5,5,123,35"/>
</map>