[GRASS-user] The relevancy of g.region when exporting

Helena Herrera helenaherrera1980 at gmail.com
Thu Nov 3 14:06:31 EDT 2011


I have a raster image of 3000 x3000 cells. But only a part of it (70x30)
have valid pixels.
When I export it with r.out.gdal I obtain slightly different results if I
export with g.region rast=image and g.region rast=image zoom=image . And
this difference is "expanded" when I try to reproject both maps to WGS84.
My question is: which is the best approach? use a region for all image or a
region just for "valid pixels"?
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