[vtkusers] vtkGPUVolumeRayCastMapper and vtkImageChangeInformation

[Mathieu Malaterre]

I have also had issue with large value of z-spacing in the past. See:

http://www.vtk.org/Bug/view.php?id=9306

Set Z-Spacing to 1 it should fix the symptom...

On Fri, Apr 9, 2010 at 9:50 AM, Bartosz Wiklak <bwiklak at gmail.com> wrote:
> Hi,
> I'm using the latest cvs version of vtk (compiled yesterday).
> I have an image data from dicom reader and use
> vtkImageChangeInformation to change output spacing information.
> Then I connect it to vtkGPUVolumeRayCastMapper :
> volumemapper->SetInputConnection(changer->GetOutputPort());
>
> After this I don't see any volume, if I don't change spacing and still
> use changer I can see a volume. Fixed point raycast works ok.
>
> Why is it so?
>
> Bartek
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-- 
Mathieu