[GRASS-user] r.patch number of input limitation?
wenzeslaus at gmail.com
Wed Sep 24 06:38:28 PDT 2014
On Wed, Sep 24, 2014 at 9:21 AM, Markus Neteler <neteler at osgeo.org> wrote:
> On Wed, Sep 24, 2014 at 2:40 PM, Robert Kuszinger <kuszinger at giscom.hu>
> > 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
> > es/nwres to 1 minute instead of seconds.
> > I do then:
> > GRASS 6.4.3 (wgs84pure):~/grassdata/import > MAPS=`g.mlist type=rast
> > pat="AST*"`
> > GRASS 6.4.3 (wgs84pure):~/grassdata/import > r.patch in=$MAPS out=mosaic
> > WARNING: Unable to open raster map <ASTGTM2N31E096 at 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
> > 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
> You can increase this limit.
> Hope this helps,
> grass-user mailing list
> grass-user at lists.osgeo.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the grass-user