Dear Markus and all Thank you for your useful advice.
>no, it should be r.resamp.stats: >http://grass.osgeo.org/wiki/Interpolation#Resampling_of_raster_maps_to_coarse r_resolution I visited this site and checked 'finer', 'coarser' and 'sparse'. My case is 'coarser' (90m -> 500m), so it should be used 'r.resamp.stats', I s ee. Thanks Best, Yasuo shimada: Japan weather association ----- Original Message ----- >From: Markus Neteler <nete...@osgeo.org> >Date: Mon, 2 Jan 2012 21:40:37 +0100 >Subject: Re: [GRASS-user] How to create 500m DEM from 90m DEM >To: sgw00...@nifty.com >Cc: GRASS user list <grass-user@lists.osgeo.org> > > >2012/1/2 <sgw00...@nifty.com>: >> Dear Markus and all >> >>> Of course - the vector is just used to find the target area of >>> the raster map. >> >> Yes, I understood it. Thanks. >> >> So, at web site grass manual, I found 'r.resamp.interp' command. >> >> When I would like to create this under same datum and projection >> with only difference resolutions, then may I use this command ? > >no, it should be r.resamp.stats: >http://grass.osgeo.org/wiki/Interpolation#Resampling_of_raster_maps_to_coarse r_resolution > >(r.resamp.interp is used to reach finer resolution, see the same > Wiki page). > >Markus _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user