[GRASS-dev] Georeferencing

Allar Haav allar.haav at gmail.com
Sat May 11 05:05:27 PDT 2013


I suspect the input raster file is imported as three rasters (one for 
each RGB band). After r.in.gdal, check if there are some rasters in the 
mapset (e.g. NP_source.red, NP_source.green, NP_source.blue) and then 
combine them using r.composite.


On 11/05/2013 11:14, Dr Colin Hindmarch wrote:
> Hi,
> I have been trying to upload and georectify a rasta (*.PNG) file.  I 
> create a simple xy location and in that location, upload the rasta 
> using 'r.in.gdal '; but later on when I begin to process the data, get 
> the message:
>     "(Sat May 11 10:42:35 2013)
>     r.colors map=NP_source at PERMANENT color=grey
>     ERROR: Raster map <NP_source at PERMANENT> not found
>     (Sat May 11 10:42:35 2013) Command finished (0 sec)"
> This problem seems to prevent the process moving to the two-screen 
> georectifying stage.   Any suggestions/recommendations?
> Colin.
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