The CudaRayCast forward and back projector currently raise an exception https://github.com/RTKConsortium/RTK/blob/main/src/rtkCudaRayCastBackProjectionImageFilter.cxx#L37 https://github.com/RTKConsortium/RTK/blob/main/src/rtkCudaWarpForwardProjectionImageFilter.cxx#L136 It should not be too hard to make them compatible with parallel geometries
The CudaRayCast forward and back projector currently raise an exception
https://github.com/RTKConsortium/RTK/blob/main/src/rtkCudaRayCastBackProjectionImageFilter.cxx#L37
https://github.com/RTKConsortium/RTK/blob/main/src/rtkCudaWarpForwardProjectionImageFilter.cxx#L136
It should not be too hard to make them compatible with parallel geometries