[vtkusers] Rendering error with clip planes on ray cast volumes and depth peeling

[Aashish Chaudhary]

I think this seems to be a new bug. We will file a bug and look into it.
Can you post a sample code?

- aashish

On Wed, Feb 21, 2018 at 10:04 PM gohlinchia <gohlinchia at gmail.com> wrote:

> Hi,
>
> I'm using VTK 8.1.0. I'm trying the new volume depth peeling with clip
> planes when I noticed a problem.
>
> When the clip planes are active (set via vtkBoxWidget) on a volume in a
> scene with polygonal meshes, the rendered volume is displayed incorrectly
> when the depth peeling is ACTIVE. When I interactively move the camera, the
> clipped volume is rendered wrongly. However, when I disable depth peeling
> the clipped volume is displayed correctly but the meshes are displayed
> wrongly. The volume is rendered using the GPU ray casting mapper and the
> meshes are rendered using the normal polydata mapper.
>
> The first image shows correct clipping without depth peeling:
> <
> http://vtk.1045678.n5.nabble.com/file/t342340/Clip_planes_without_depth_peeling.png
> >
>
> The next image shows the incorrect clipping with depth peeling:
> <
> http://vtk.1045678.n5.nabble.com/file/t342340/Clip_planes_with_depth_peeling.png
> >
>
> Anyone else encountered this problem? Is this a known bug?
>
>
>
> -----
> Chris
> --
> Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html
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