<area shape="rect" href="$a01531.html" title="read SESAME files" alt="" coords="21,453,163,480"> <area shape="rect" href="$a01574.html" title="abstract class specifies interface for visualization network source" alt="" coords="51,304,133,331"> <area shape="rect" href="$a01306.html" title="abstract class specifies interface for visualization filters" alt="" coords="28,229,156,256"> <area shape="rect" href="$a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="43,155,141,181"> <area shape="rect" href="$a01084.html" title="abstract base class for most VTK objects" alt="" coords="52,80,132,107"> <area shape="rect" href="$a01085.html" title="abstract base class for most VTK objects" alt="" coords="37,5,147,32">