Thanks Michael,<br><br>I'll give it a go, it sounds a lot simpler then my Java MouseMotionListener based code :)<br><br>On another note, does anyone on the list know when the new editions of the VTK books will be available ?
<br><br>cheers<br><br>alex<br><br><br><div><span class="gmail_quote">On 7/10/06, <b class="gmail_sendername">Michael R. Ballinger</b> <<a href="mailto:mballing@andrew.cmu.edu">mballing@andrew.cmu.edu</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>Alex,<br><br>You might want to look at vtkSplineWidget. You can use the methods<br>ClosedOn() to make a complete 'lasoo' and use the GetHandlePosition() to
<br>return the 3d position of each vertex of the spline. Hope this helps.<br><br>-michael<br><br>On Mon, 10 Jul 2006, Alexander MacLennan wrote:<br><br>> Hi,<br>><br>> Are there any selection widgets in vtk that allow you to 'lasoo' a region
<br>> and have the points in that region returned?<br>> Or, given a list of points that make up a bounday ( or just extents of a<br>> boundary like a rectangle selector) , give the points contained in that<br>> region?
<br>><br>> cheers<br>><br>> alex<br>><br></blockquote></div><br>