<map id="G" name="G"> <area shape="rect" id="node7" href="$a00315.html" title="osgTerrain::GeometryTechnique" alt="" coords="5,237,240,267"/> <area shape="rect" id="node2" href="$a00500.html" title="Base class/standard interface for objects which require IO support, cloning and reference counting..." alt="" coords="72,83,173,112"/> <area shape="rect" id="node4" href="$a00627.html" title="Base class from providing referencing counted objects." alt="" coords="56,5,189,35"/> </map>