<area shape="rect" href="$a00623.html" title="A node in a multi-resolution image tree." alt="" coords="5,229,141,256"> <area shape="rect" href="$a00636.html" title="vtkGeoTerrainNode" alt="" coords="165,229,307,256"> <area shape="rect" href="$a01084.html" title="abstract base class for most VTK objects" alt="" coords="115,80,195,107"> <area shape="rect" href="$a01085.html" title="abstract base class for most VTK objects" alt="" coords="100,5,209,32">