[Rtk-users] CUDA projections are blank

[Simon Rit]

Hi Solomon,
Hard to say without the full code. Maybe the cudaness of your output image
is lost further in the code. Try accessing the CPU buffer at the end, after
the update, to be sure that the GPU image is transferred to CPU, e.g.
std::cout << forwardProjection->GetOutput()->GetPointer() <<std::endl;
Simon
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