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<p><tt>Sawsan Ahmed <sawsanahm@yahoo.com> wrote on 21/01/2007 04:02:39:<br>
<br>
> <br>
> Hi Friends,</tt><br>
<tt>> I posted questions but till now without any answer.May<br>
> be those answers are too easy.But I am stuck.I am posting those <br>
> questions again:</tt><br>
<tt>> </tt><br>
<tt>> 1) Suppose I have got a tube (of arbitrary shape),two ends of which <br>
> are arbitrarily cut.I want to extract only those two ends.How can I do that?</tt><br>
<br>
<tt>try vtkFeature edges to extract boundary edges</tt><br>
<br>
<tt>> </tt><br>
<tt>> 2)I have got a point on the surface of a tube and have calculated <br>
> the normal at that point.Now I want to extend a line along that <br>
> normal so that it cuts the other end on the surface of the tube and <br>
> I want to get that point of intersection of this line with the tube <br>
> at the other end.</tt><br>
<br>
<tt>I see in vtk 5 vtkBSPIntersections that might be useful here</tt><br>
<br>
<tt> regards</tt><br>
<tt> DP</tt><br>
<tt>> </tt><br>
<tt>> Thanks in advance.</tt><br>
<tt>> Sawsan</tt><br>
<tt>> <br>
> </tt><br>
<tt>> TV dinner still cooling?<br>
> Check out "Tonight's Picks" on Yahoo! TV.<br>
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