On Thu, Aug 19, 2010 at 2:50 AM, m k <[email protected]> wrote: > My apologies if this is a repeat post, but i think my question did not get > delivered last try. (I'm new here!) > > I am looking for a way for GRASS to do create one output raster based on the > analysis of say 100 rasters (same spatial coordanates, but each raster has > an equal time interval between them). > > For example if I have 100 rasters that have only 0's and 1's, and I want > to calculate an output raster that shows how long it took each cell to first > acquire a value of 1. Another example: sums up all 100 rasters to one output > raster. > From what I've gathered, I think that r.mapcalc will do the necessary > functions, but I cannot find an example where it is processing 100s of > rasters in a temporal set.
The r.series module is the right tool for this: http://grass.osgeo.org/grass64/manuals/html64_user/r.series.html I have added some hints to http://grass.osgeo.org/wiki/Time_series Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
