2008/6/13 Hamish <[EMAIL PROTECTED]>: > Yann Chemin wrote: >> I am generating 60,000 maps from 60,000 original ones >> (shell script looping r.mapcalc), >> >> it says unable to create mapset element cell_misc $filename > > cell_misc/ saves each map's data in a subdirectory, not a file like the other > raster element directories. is this in a ext3 partition?
yes it is ext3 > > can you break it up into mapsets of ~ 10k maps each, linked by g.mapsets > search path? (thus < 32768 subdirectories/cell_misc) I would want to avoid doing that since I need to use the data (it is TRMM) in r.hydro.CASC2D, and it reads straight a filename to which it adds <filename>.<incr_number> Of course I could do it yearly and save parameters (eventually I may have to do that...) > >> Since it is a (very) long process, I would like to know if >> I should stop it now, or if it is not impacting of maps and >> data? > > I think NULL data will be missing, if that is important to you. Not important at all > is it possible to stop where you are now and modify the script to restart it > where it left off? or are later steps dependent on earlier? > yes it is possible to stop and restart (chronological datasets) even at a different YYYMMDDHH > it is sometimes nice to write variables to a small text file or so as it runs > so you can "reseed" the second half of the calculation from an arbitrary > point without having to rerun the first. > > Yeah, I may have to do a yearly mapset structure, which would be ~5000 images (1/2 original, 1/2 processed) > ? > Hamish > Thanks Hamish -- Yann Chemin International Rice Research Institute Office: http://www.irri.org/gis Perso: http://www.freewebs.com/ychemin _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
