[vtkusers] vtkVolumeRaycastMapper and vtkRenderLargeImage

[Kevin H. Hobbs]

On Thu, 2009-04-02 at 10:17 -0400, Simon Drouin wrote:
> Hi all,
> 
> Using vtkVolumeRaycastMapper for volume rendering in conjunction with
> vtkRenderLargeImage with a magnification factor of 2 produces images
> with a black column of pixels in the middle of the image. The same
> scene rendered with vtkVolumeTextureMapper3D is perfectly fine. I get
> the same result both on windows XP (MSVC 9) and OSX.
> 
> I suppose the problem is that vtkVolumeRaycastMapper doesn't render
> the last (or the first) column of pixels, which doesn't show too much
> when it is on the side of the window. When using vtkRenderLargeImage
> with a magnification of 2, the last column of the first block ends up
> in the center of the screen.
> 
> Has anyone tried to address this problem yet? I might dive into it if
> I have time soon, though I'm a little bit affraid of the
> vtkRaycastMapper code :-)
> 
> s.

Ah, the message is at:

http://markmail.org/message/6syjeeln67uwx76e

and there is a bug report at:

http://www.paraview.org/Bug/view.php?id=7858
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