[vtkusers] texture mapper 3d support RGB vtkImageData directly?

[Lisa Avila]

Yes - you can use either vtkFixedPointVolumeRayCastMapper or 
vtkVolumeTextureMapper3D. The data should have 4 components (RGB and a 
scalar that is used to derive opacity through the scalar opacity transfer 
function).

Lisa

At 12:35 AM 8/21/2005, powerhouseofexcellence wrote:
>Hi all,
>
>Just wondering if there is any support yet to directly volume render
>vtkImageData that has 3 separate RGB components, or do we still have
>to convert it to a single component and use lookup tables? I saw
>messages about this dated from 2004 and wonder if we are still in the
>same situation.
>
>Does the new texture mapper 3d class support the 3 component data directly?
>
>Thanks!
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