On Sun, Jan 18, 2015 at 1:00 AM, Jeshua Lacock <[email protected]> wrote: > > Greetings, > > In the event my experience working with rather large GRASS rasters may be > useful, I thought I would share it. The following notes were compiled running > the GRASS 7.0.0beta4-141230 package on Mac OS X 10.10.1. The system is a > 6-core Xeon with 32GB of RAM, running in full 64-bit mode. > > 1. Using an r.external virtual mosaic as the input proved impossible trying > to run r.resample on it on trying to produce a nearly teracell raster (I > ended up breaking sub-tiles). I closely followed the instructions on the Wiki. > > 2. On smaller sub-tiles of said image, r.resample was insanely slow even with > the external imagery.
You may check/benchmark the other resampling modules, some of them may be more modern (ideally faster): http://grass.osgeo.org/grass70/manuals/keywords.html#resample In case you try, please share the outcome. cheers, Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
