bsp;rect)</pre>
<div class="block">Utility method to determine within which segment the specified rectangle
 intersects the specified curve</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the curve index specifying the curve to analyse</dd>
<dd><code>rect</code> - the whose boundary is to be tested for intersection
 with this curve</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the point at which this curve intersects the boundary of 
 the given rectangl