Hi all! Here is the output of the file I use for masking. It was a vector transformed to raster, and I use each pixel with different value as a mask. I need the value per pixel to perform the r.mapcalc.
GRASS 7.1.svn (latlong):~ > r.info puntosmonitoreo +----------------------------------------------------------------------------+ | Map: puntosmonitoreo Date: Fri Apr 24 11:19:16 2015 | | Mapset: sinnubes Login of Creator: curso | | Location: latlong | | DataBase: /home/curso/Documents/Alba/grassdata | | Title: Rasterized vector map from categories ( puntosmonitoreo ) | | Timestamp: none | |----------------------------------------------------------------------------| | | | Type of Map: raster Number of Categories: 8 | | Data Type: CELL | | Rows: 9 | | Columns: 7 | | Total Cells: 63 | | Projection: Latitude-Longitude | | N: 31:19:09.116896S S: 31:25:06.296602S Res: 0:00:39.68663 | | E: 64:25:54.318193W W: 64:30:13.738769W Res: 0:00:37.06008 | | Range of data: min = 1 max = 8 | | | | Data Source: | | Vector Map: puntosmonitoreo | | Original scale from vector map: 1:1 | | | | Data Description: | | generated by v.to.rast | | | | Comments: | | v.to.rast input="puntosmonitoreo" layer="1" type="point,line,area" o\ | | utput="puntosmonitoreo" use="cat" value=1 memory=300 | | | +----------------------------------------------------------------------------+ I am using Linux (Ubuntu 14.04LTS). And yes, it stop at random images, but is stopping always. Thank you all. Alba 2015-05-06 4:20 GMT-03:00 Paulo van Breugel <p.vanbreu...@gmail.com>: > > > On 04-05-15 20:36, Markus Neteler wrote: > >> On Mon, May 4, 2015 at 8:05 PM, Alba German <albager...@gmail.com> wrote: >> >>> Hello! >>> I am running a loop with several r.mapcalc. I am using GRASS 7.1. The >>> function stops with an error: >>> >>> ERROR: Error reading null row 8 for <MASK> >>> >>> I've noticed that Paulo van Breugel, had the same error but I didn't see >>> the >>> solution to it. >>> >> > You are referring to this email: > http://lists.osgeo.org/pipermail/grass-dev/2014-September/070584.html. > Can't recall how / if I solved this, but I haven't encountered it recently. > The difficult part of it was that it appeared to happen at random, i.e., > the same function and same data would run without problem in one instance > and end with the above-mentioned error in another instance. > > Obviously it has something to do with the raster called >>> MASK, created with r.mask before running the loop of multiple r.mapcalc. >>> The code itself has no problem and is very simple and works just fine >>> with >>> the same list of images, but without running r.mask first. >>> >> Hi Alba, >> >> could you post that part of the code e.g. here >> http://pastebin.com/ >> >> ? It sounds like a race condition... >> >> Markus >> _______________________________________________ >> grass-dev mailing list >> grass-dev@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/grass-dev >> > >
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