On Nov 2, 2017 6:45 AM, "karsten" <[email protected]> wrote: > > I am trying to run r.viewshed from a bash script on ubuntu following > instruction on https://grasswiki.osgeo.org/wiki/GRASS_and_Shell "GRASS Batch > jobs". I got an error that my input tif file is not found. > I tried specifying the full path to file but get then the Error Illegal > filename > </var/www/mapdata/ilpoe/layers/results/dem30m_cut_852af91d4fe5fd938fa57893e5 > 991dfe.tif> Character </> not allowed. > My 3 line script is below: > -------------- > export GRASS_MESSAGE_FORMAT=plain > g.region n=6446299.8941608080640435 s=5942051.4022588636726141 > w=779220.9745125266490504 e=1224529.8597663976252079 res=30 > r.viewshed -b input="/var/www/results/dem30m.tif" > output="/var/www/results/vis.tif"
You need to import or register the map first. Likewise for the export. See for an example https://grass.osgeo.org/grass72/manuals/r.external.html#processing-workflow-without-data-import-and-export Best Markus
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