Michael,
Your only way to render that data in VTK using existing functionality is
to convert to a vtkImageData. Only the vtkImageData volume mappers have
the ability to render RGBA data. If you are ambitious, you can write a
new mapper for vtkRectilinearGrid (something similar to the 2D texture
mapper for vtkImageData). For someone knowledgeable in both VTK and
volume rendering this would probably take a few weeks to accomplish.
Lisa
Michael Kloster wrote:
> Hello everybody!
>
> I am a complete beginner in VTK and want to use it for volume rendering.
>
> I have a huge amount of data to visualize (hundreds of planes, each
> about one megapixels). This data is RGBA an I want to visualize it
> showing the real RGB color using the opacity from the alpha channel.
>
> My problem is that the distance between the image planes is not
> equidistant.
>
> Can anybody give me some advice on how to handle and render such data?
>
> Any help is wellcome!
>
> Thank you very much,
> bye,
> Michael
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