On Wed, Sep 24, 2014 at 9:21 AM, Markus Neteler <[email protected]> wrote:
> On Wed, Sep 24, 2014 at 2:40 PM, Robert Kuszinger <[email protected]> > wrote: > > > > Hello! > > > > > > I'm trying to patch 1393 pieces of raster images with r.patch. > > > > before r.patch, the projection is set as follows: > > > > > > projection: 3 (Latitude-Longitude) > > zone: 0 > > datum: wgs84 > > ellipsoid: wgs84 > > north: 33:00:00.5N > > south: 14:00:00.5S > > west: 75:59:59.5E > > east: 136:00:00.5E > > nsres: 0:01:00.000355 > > ewres: 0:01:00.000278 > > rows: 2820 > > cols: 3600 > > cells: 10152000 > > > > As you see, the target mosaic is set to be a moderate resolution by > setting > > es/nwres to 1 minute instead of seconds. > > > > I do then: > > > > GRASS 6.4.3 (wgs84pure):~/grassdata/import > MAPS=`g.mlist type=rast > sep=, > > pat="AST*"` > > GRASS 6.4.3 (wgs84pure):~/grassdata/import > r.patch in=$MAPS out=mosaic > > WARNING: Unable to open raster map <ASTGTM2N31E096@seasdem2> > > ERROR: One or more input raster maps not found > > > > How could it be? Is there a limitation on the string what r.patch is > parsing > > from the command line? > > It is indeed the operating system which limits the number of open > files. For Linux, it is likely 1024 files. > I have now added a note to the manual of r.patch (using those of r.series). > > Would it be possible to provide some possible reasons/suggestions in the error message? (the wording should be that it is "possible reason") > For a solution, see also > > > http://grasswiki.osgeo.org/wiki/Large_raster_data_processing#Number_of_open_files_limitation > > You can increase this limit. > > Hope this helps, > Markus > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user >
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