<map id="vtkExternalOpenGLRenderer" name="vtkExternalOpenGLRenderer">
<area shape="rect" id="node1" title="OpenGL renderer." alt="" coords="5,225,199,251"/>
<area shape="rect" id="node2" href="$classvtkOpenGLRenderer.html" title="OpenGL renderer." alt="" coords="30,152,174,177"/>
<area shape="rect" id="node3" href="$classvtkRenderer.html" title="abstract specification for renderers" alt="" coords="55,79,149,104"/>
<area shape="rect" id="node4" href="$classvtkViewport.html" title="abstract specification for Viewports" alt="" coords="57,5,147,31"/>
</map>
