<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Dominik,<div> Here is the code fragment. I have set the input connection.</div><div><br></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">vtkUnstructuredGrid aTriangleGrid</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> aTriangleGrid Allocate 1 1</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> aTriangleGrid InsertNextCell [aTriangle GetCellType] [aTriangle GetPointIds]</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> aTriangleGrid SetPoints trianglePoints</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">vtkDataSetSurfaceFilter triangleCellDataSetSurfaceFilter</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> triangleCellDataSetSurfaceFilter SetInput aTriangleGrid</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">vtkPolyDataMapper trianglePolyData</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"> trianglePolyData SetInputConnection [triangleCellDataSetSurfaceFilter GetOutputPort]</span></font></div><div><br></div><div><br></div><div>Elvis Dowson</div></div></div><div><br><div><div>On Oct 9, 2008, at 3:40 PM, Dominik Szczerba wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Probably you forgot to set input or call Update() somewhere, I am unable to <br>see quickly in the long code (next time only post minimal required code <br>please)<br><br>Dominik<br></div></blockquote></div><br></div></body></html>