Kim, A nice piece of work.
In case it helps anyone, for FFTW on Windows, I used 3.2.1. I didn't bother compiling it, but just did this: http://www.fftw.org/install/windows.html which worked fine (even with the free Visual C++ 9.0 ! ) I had a compile of minor issues with addCullCallback - I guess this is because we are using different OSG versions - but changing it to setCullCallback seemed to work fine. David
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