[vtkusers] Is it possible to use vtkSmartVolumeMapper to visualize data with two scalar arrays???

[Enya Shen]

Dear all,

Is it possible to use vtkSmartVolumeMapper to visualize data with two
scalar arrays?

One scalar array for color, the other for opacity.

Thank you very much for any advice!

PS: I tried the example GPURenderDemo.cxx, but the result is not correct.
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