<head></head><body>You're looking for vtkTransformPolyDataFilter.<br><br>Regards<br>&nbsp;Hendrik<br><br><table width="100%"><tbody><tr><td bgcolor="blue" width="5">&nbsp;</td><td>




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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Hi,</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">&nbsp;</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">since vtkImageTracerWidget can only be used on orthogonal
planes, I need to rotate the returned Polydata (tracer-&gt;GetPath()) before
doing a LinearExtrusion.</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">It seems I can only rotate polydata via an vtkActor (set by
polydatamapper) but this does only effect its position when visualizing it but
NOT the position for LinearExtrusion.</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">&nbsp;</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Is there a way to rotate the polydata before using
vtkLinearExtrusionFilter on it?</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">&nbsp;</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Regards</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">&nbsp;</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Michael</span></font></p>

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