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It’s great that you can save the final gather points to a file to reuse them...but only if you remembered to check the box BEFORE you rendered! Why not have mental ray ALWAYS cache the current render’s FG points to a temp file which can then be reused or copied to a permanent file after the fact?
--3ds Max Design 2009 64bit, Direct3D 9, Win Vista Premium 64, 3ghz quadcore Xeon, Quadro FX1700--
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My guess is that Disk I/O is slower than just accessing memory. So for renders where you will not need the FG cached you’ll be incurring the latency with writing to disk.
It’s just a guess :)
3DS Max 7, 8, 2010
Windows Vista 32 bit.
Intel Quad Core
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