[vtkusers] get visible surface

[David Doria]

On Tue, Aug 21, 2012 at 1:47 PM, David E DeMarle
<dave.demarle at kitware.com>wrote:

> Use vtkHardwareSelector, it is a more recent implementation of visible
> surface selection. It will give you cells if you ask it to for
> instance. See:
> http://www.vtk.org/doc/nightly/html/classvtkHardwareSelector.html
>
> I think the only thing that can be done about not needing a monitor is
> to use an offscreen rendering context (osmesa for example). Screen
> space operations like visible surface selection get too much from the
> infrastructure that VTK's display pipeline (and openGL underneath)
> provide to make removing them practical.


If you figure out how to get it to work and could fix this example:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Broken/Filtering/ExtractVisibleCells

that would be great!

David
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