[vtkusers] Viewport clipping

[David Gobbi]

Let me know how it goes.  I just tried multiple viewports with
vtkImageActor on my own machine,  with the OpenGL2 backend, and everything
worked fine.  Also, many of the nightly VTK tests use multiple viewports
with image rendering,
e.g. Rendering/Image/Testing/Cxx/TestImageSliceMapperInterpolation.cxx

I'm using vtk-master, but the vtkImageActor and vtkImageSliceMapper code
hasn't changed since VTK 7.0 in any way that should change the interaction
between image rendering and viewports.

 - David


On Wed, Jun 29, 2016 at 9:25 AM, Doug Hoppes <dhoppes at mbfbioscience.com>
wrote:

> Okay… I’ll see how hard it is to move our code back to OpenGL with the
> latest version and see if the problem persists.
>
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