[Insight-users] MPI Loopy Anisotropy

[Kevin H. Hobbs]

My MPI Vector Gradient Anisotropic Diffusion program is now working
(Thank you Brad and David) and it produces exactly the same output as
the attached RGBSmoothFair.cxx. However it does not produce the same
output as RGBSmooth.cxx.

The major difference is that in the MPI program and RGBSmoothFair.cxx
the diffusion filter is called in a loop along with calculating the
average gradient magnitude.

           |---->grad_mag
reader---->|        |
        ^  |---->diffusion-|-->writer
        |                  |
        -------------------|

Is there a way to make RGBSmoothFair.cxx produce the same output as
RGBSmooth.cxx?
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