[vtkusers] give direction to cylinder

[David Doria]

On Wed, Jul 18, 2012 at 7:14 AM, Gonzalo Amadio <gonzaloamadio at gmail.com>wrote:

> Thank you for the response..
>
> I am reading this : http://www.vtk.org/doc/release/5.6/html/a02007.html 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 :
>
> " The difference between the two methods is that vtkActor's
>> transformation simply effects where objects are rendered (via the graphics
>> pipeline), whereasvtkTransformPolyDataFilter<http://www.vtk.org/doc/release/5.6/html/a02007.html> actually
>> modifies point coordinates in the visualization pipeline"
>
>
That is correct:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Filters/TransformPolyData

David
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