Andrea, Why not call GRASS r.series through the python interface, average the stack of rasters there, then select the point value from the result. It's a bit brute force, but when I have used r.series directly in GRASS with hundreds of large rasters at a time, there was fairly low memory usage.
Doug Doug Newcomb - Cartographer USFWS 551F Pylon Dr Raleigh, NC 919-856-4520 ext. 14 [email protected]<mailto:[email protected]> --------------------------------------------------------------------------------------------------------- NOTE: This email correspondence and any attachments to and from this sender is subject to the Freedom of Information Act (FOIA) and may be disclosed to third parties.
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