<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div></div><div><br></div><div>if you comment out the following code </div><div><br></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">#vtkPolyDataMapper pathMapper</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"># pathMapper SetInputConnection [projectedPaths GetOutputPort]</span></font></div><div><br></div><div>and change the following line to </div><div><br></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">vtkActor pathActor</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> pathActor SetMapper pathMapper</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> [pathActor GetProperty] SetColor 1 0 0</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> [pathActor GetProperty] SetSpecular .3</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> [pathActor GetProperty] SetSpecularPower 30</span></font></div></div></div><div><br></div><div>you can see the regular line that is generated by vtkProjectedTerrainPath.</div><div><br></div><div>When I pass it through the tube filter, I get nothing.</div><div><br></div><div>Best regards,</div><div><br></div><div>Elvis </div><div><br></div><div><br></div><div><br><div><div>On Nov 11, 2008, at 6:06 PM, Amy Squillacote wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Have you verified that you're getting output from vtkProjectedTerrainPath? Try calling Update on projectedPaths, and then call GetNumberOfCells() on its output.<br><br>- Amy<br><br></div></blockquote></div></div></body></html>