[vtkusers] Exporting a volume rendering

[Sepp^ Huber]

Hi all,

I'm facing a quite tricky problem and probably one of you has an idea.
Currently I've developed a program the creates volume renderings of some voxel
data by putting this into a vtkImage object. What I'd like to do now is to
export this using a common 3D file format (something like VRML, OBJ, 3DS or so).
The problem is how to export a volume which is not really a geometric object.
Of course I could create a huge number of cubes or spheres with the
appropriate color/material assigned to them but this will result in extremely large
datasets.

Any ideas would be greatly appreciated!

Thanks
Chris

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