Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-09 Thread Vaclav Petras
On Fri, Sep 9, 2016 at 12:18 PM, Miguel Carrero < miguel.carrero.pa...@gmail.com> wrote: > I’ve tried with g.list, and pass a file with all map names in r.mapcalp, > but realised that there is a limit on space to sum a high number of maps at > the same time. If you are using the file input

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-09 Thread Miguel Carrero
Hi all, Thanks to everyone for the help. I’ve tried with g.list, and pass a file with all map names in r.mapcalp, but realised that there is a limit on space to sum a high number of maps at the same time. So, I’m going to have a look to r.series. Cheers, Miguel. De: Laurent C. Enviado:

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-09 Thread Moritz Lennert
On 09/09/16 17:09, Laurent C. wrote: 2016-09-08 12:32 GMT-05:00 Veronica Andreo : Hello, You can use r.series for that and pass the list of maps that you get with g.list directly into r.series using back ticks, or you can also pass a file with all map names. Check the

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-09 Thread Laurent C.
2016-09-08 12:32 GMT-05:00 Veronica Andreo : > Hello, > > You can use r.series for that and pass the list of maps that you get with > g.list directly into r.series using back ticks, or you can also pass a file > with all map names. Check the manual for more examples: >

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-08 Thread Vaclav Petras
On Thu, Sep 8, 2016 at 1:27 PM, Robert Kuszinger wrote: > Do you use Linux or something similar? I can't test but maybe works on > Windows as well with bash shell: > > > r.mapcalc expression=resultmap=`g.list type=raster pattern=arc_0* > separator='+'` > Even on Linux,

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-08 Thread Veronica Andreo
Hello, You can use r.series for that and pass the list of maps that you get with g.list directly into r.series using back ticks, or you can also pass a file with all map names. Check the manual for more examples: https://grass.osgeo.org/grass73/manuals/r.series.html Cheers, Vero El sept. 8,

Re: [GRASS-user] How to sum a hundred of raster maps using r.mapcalc

2016-09-08 Thread Robert Kuszinger
Miguel, Do you use Linux or something similar? I can't test but maybe works on Windows as well with bash shell: r.mapcalc expression=resultmap=`g.list type=raster pattern=arc_0* separator='+'` bye R 2016-09-08 19:13 GMT+02:00 Miguel Carrero : > Dear all, >