[GRASS-user] AAIGrid import-export problem

Wolfgang wollez at gmx.net
Thu Nov 30 07:43:53 EST 2006


have you changed g.region to your new settings before export?

Wolfgang

Martin Wegmann schrieb:
> Hello, 
> 
> I am stuck with a AAI grid export problem (r.out.gdal input=NAME 
> format=AAIGrid type=Byte output=NAME) and I have no clue if it is a gdal 
> problem or a GRASS (r.resamp.*) problem.
> 
> 1) Import dataset (r.in.gdal) - export it straight afterwards (r.out.gdal see 
> above) - both raster images fit onto each other using QGIS
> 
> 2) Import dataset (r.in.gdal) - applying r.resamp.stats (90m res in 1000m 
> res), export with r.out.gdal (see above) - new image has a shift of +/- 100 
> Km to the south-east compared to the original image
> 
> I assume its a r.resamp. problem but when I check the header files 
> (row,col,res.,proj, etc.) of both exported files, they are the same which 
> suprises me because they don't fit on each other.
> 
> Any idea where to investigate further?
> 
> regards, Martin
> 
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