<area shape="rect" href="$a00727.html" title="Generic algorithm superclass for image algs." alt="" coords="6,229,142,256"> <area shape="rect" href="$a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="24,155,123,181"> <area shape="rect" href="$a01084.html" title="abstract base class for most VTK objects" alt="" coords="34,80,114,107"> <area shape="rect" href="$a01085.html" title="abstract base class for most VTK objects" alt="" coords="19,5,128,32">