<area shape="rect" href="$a00727.html" title="Generic algorithm superclass for image algs." alt="" coords="11,229,147,256"> <area shape="rect" href="$a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="29,155,128,181"> <area shape="rect" href="$a01084.html" title="abstract base class for most VTK objects" alt="" coords="39,80,119,107"> <area shape="rect" href="$a01085.html" title="abstract base class for most VTK objects" alt="" coords="24,5,133,32">