Richard Thank you very much, is exactly what I was looking for.
Cheers 2013/2/22 Richard Chirgwin <rchirg...@ozemail.com.au> > Marcello - > > That's not so hard. In Grass-GIS 6.4 (the version I'm on ATM) the general > form would be: > > for i in `echo "select distinct id from rainfall_time_series" | db.select > -c`; do > ## get year / month / day to use in output map name > year=`echo "select year from rainfall_time_series where id=$i" | db.select > -c`; > month=`echo "select month from rainfall_time_series where id=$i" | > db.select -c`; > day=`echo "select day from rainfall_time_series where id=$i" | db.select > -c`; > outmap="map_"$year"_"$month"_"**$day"; > ## then run your command > <command> input=rainfall_time_series output=$outmap; > done > > That will step through each entry in the table. > > If you're on a different version, check the db.select command format - I > think it changed in Grass-GIS 7.0? > > Cheers, > Richard Chirgwin > > On 22/02/13 10:21 PM, > grass-user-request@lists.**osgeo.org<grass-user-requ...@lists.osgeo.org>wrote: > >> Message: 3 >> Date: Thu, 21 Feb 2013 19:56:46 -0300 >> From: Marcello >> Benigno<benigno.marcello@**gmail.com<benigno.marce...@gmail.com> >> > >> To:grass-user@lists.osgeo.org >> Subject: [GRASS-user] Interpolate a huge time-series with a looping >> Message-ID: >> <CAKPVhYKNBGMsUE73JcXKcFB5uz-**Fe=vWUkr9WB0mHHD_C1pGuQ@mail.** >> gmail.com <vwukr9wb0mhhd_c1p...@mail.gmail.com>> >> Content-Type: text/plain; charset="iso-8859-1" >> >> In my dataset I have access to a table in PostgreSQL Database with this >> structure: >> >> Table Name: rainfall_time_series >> >> Columns: id | year | month | day | value_mm | x | y | gauge_code >> >> Setting g.region to the Watershed limits, I need create for each day one >> interpolated raster, representing the rainfall. This times-series is very >> huge, has 17 years, my question is: is it possible to do this operation >> with a looping? it is probably easier in R, but I'm newbie in this >> software. >> >> Thanks in advance, >> -- >> Marcello Benigno B. de Barros Filho >> Prof. do Curso Superior de Tecnologia em Geoprocessamento - IFPB >> Mestre em Ci?ncias Geod?sicas e Tecnologias da Geoinforma??o - UFPE >> Doutorando em Tecnologia Ambiental e Recursos H?dricos - UFPE >> http://profmarcello.blogspot.**com <http://profmarcello.blogspot.com> >> http://about.me/marcello.**benigno <http://about.me/marcello.benigno> >> > > ______________________________**_________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/**mailman/listinfo/grass-user<http://lists.osgeo.org/mailman/listinfo/grass-user> > -- *Marcello Benigno B. de Barros Filho* Prof. do Curso Superior de Tecnologia em Geoprocessamento - IFPB Mestre em Ciências Geodésicas e Tecnologias da Geoinformação - UFPE Doutorando em Tecnologia Ambiental e Recursos Hídricos - UFPE http://profmarcello.blogspot.com http://about.me/marcello.benigno
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