On Aug 16, 2014, at 11:35 PM, Sean Y Chen wrote: > In Brendan Bolles's demo video, it seems that 100000 is the limit for a > couple of the images, though one of them goes to 250000 before reaching file > size 1.
Here's the code for the little program I wrote to generate those sequences. I'm basically doing compression = pow(10.0, frame / 25.0), with frames going from 0-149. I wouldn't say it's perceptually linear exactly, although if you look at the MtTamWest example where I show difference mode, the diff seems to come in pretty linearly. Karl's has a nice write-up on the algorithm at the top of ImfDwaCompressor.cpp. Brendan
main.cpp
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