[vtkusers] Rendering ROI only

[David Doria]

On Wed, Mar 30, 2011 at 8:26 AM, Juan Cardelino <juan.cardelino at gmail.com>wrote:

> Dear all,
>             I would like to perform the following task. I have a 3D
> model which I render and then I determine a ROI on the rendered image
> (could be also specified beforehand). After that I would like to
> render only the 3D points that fall in that ROI. Is there any simple
> way to do this?
> Thanks in advance.
> Best regards,
>                  Juan
>

Could you use Paraview instead of VTK directly? Or do you need this step
integrated into a larger application?

I believe this is what you want if you're looking to do it with code:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Picking/HighlightSelectedPoints

David
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