<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 10pt; color: #000000'><span style="font-family: arial,helvetica,sans-serif;">Hi there,<br><br>I'm
following this example:<br>http://www.vtk.org/Wiki/VTK/Examples/Images/PickingAPixel<br><br>However,
at the point:</span><br style="font-family: arial,helvetica,sans-serif;"><span style="font-family: arial,helvetica,sans-serif;">this</span><span style="font-family: arial,helvetica,sans-serif;" class="sy2">-</span><span style="font-family: arial,helvetica,sans-serif;" class="sy1">></span><span style="font-family: arial,helvetica,sans-serif;">PointData</span><span style="font-family: arial,helvetica,sans-serif;" class="sy2">-</span><span style="font-family: arial,helvetica,sans-serif;" class="sy1">></span><span style="font-family: arial,helvetica,sans-serif;">InterpolatePoint</span><span style="font-family: arial,helvetica,sans-serif;" class="br0">(</span><span style="font-family: arial,helvetica,sans-serif;"> pd, </span><span style="font-family: arial,helvetica,sans-serif;" class="nu0">0</span><span style="font-family: arial,helvetica,sans-serif;">, cell</span><span style="font-family: arial,helvetica,sans-serif;" class="sy2">-</span><span style="font-family: arial,helvetica,sans-serif;" class="sy1">></span><span style="font-family: arial,helvetica,sans-serif;">PointIds, weights </span><span style="font-family: arial,helvetica,sans-serif;" class="br0">)</span><span style="font-family: arial,helvetica,sans-serif;" class="sy4">;</span><br style="font-family: arial,helvetica,sans-serif;"><pre style="font-family: arial,helvetica,sans-serif;" class="de1">how would I do NearestNeighbour interpolation? It currently appears to be linear?<br><br>I have tried looking at the doxygen for vtkDataSetAttributes, and there is some mention of setting the interpolation but I don't understand what I'm meant to set on what. Please can any one help me?<br><br>Many thanks in advance<br><br>Matt</pre><span><br><div><div>------------------------------------------------------<br>Matt Clarkson Ph.D.<br>Senior Research Associate<br> m.clarkson@ucl.ac.uk<br><br>Centre For Medical Image Computing<br>http://cmic.cs.ucl.ac.uk/<br>Tel: 020 7679 0240<br>Fax: 020 7679 0255 <br><br>Dementia Research Centre<br>http://dementia.ion.ucl.ac.uk/<br>Tel: 08451 555 000 ext. 723653<br>Fax: 020 7676 2066<br>------------------------------------------------------</div></div><br></span></div></body></html>