<div>On Wed, Jul 18, 2012 at 7:14 AM, Gonzalo Amadio <span dir="ltr"><<a href="mailto:gonzaloamadio@gmail.com" target="_blank">gonzaloamadio@gmail.com</a>></span> wrote:</div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thank you for the response..<br><br>I am reading this : <a href="http://www.vtk.org/doc/release/5.6/html/a02007.html" target="_blank">http://www.vtk.org/doc/release/5.6/html/a02007.html</a> that I think is what I need. Because I don't have all the mapper and actor part and as it is said there, if I am not understanding wrong, vtkTransfrom work on the actor and rendering part, and vtkTransformPolyDataFilter directly on the rotation of the figure itself :<div>
<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><font size="1">"<span style="font-family:Geneva,Arial,Helvetica,sans-serif"> The difference between the two methods is that vtkActor's transformation simply effects where objects are rendered (via the graphics pipeline), whereas</span><a href="http://www.vtk.org/doc/release/5.6/html/a02007.html" title="transform points and associated normals and vectors for polygonal dataset" style="color:rgb(42,55,152);font-family:Geneva,Arial,Helvetica,sans-serif;text-decoration:none;font-weight:bold" target="_blank">vtkTransformPolyDataFilter</a><span style="font-family:Geneva,Arial,Helvetica,sans-serif"> actually modifies point coordinates in the visualization pipeline"</span></font></blockquote>
</div></blockquote><div><br></div><div>That is correct:</div><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Filters/TransformPolyData">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Filters/TransformPolyData</a><br clear="all">
<br>David </div>