[GRASS-user] i.image.mosaic generates blank mosaic

Nikos Alexandris nik at nikosalexandris.net
Fri Nov 15 07:12:45 PST 2013


nyflyer wrote:

> I've been trying to use the i.image.mosaic command in GRASS 6.4.1 in Ubuntu
> to stitch two raster image files (technically I'm trying to stitch only the
> blue channel of an RGB truecolor image) but I'm just getting a blank image
> file as the output.

Try to re-assign a color table, e.g.:

r.colors Mosaic color=grey -e

and see if that works out.

Nikos

--%<---
> |   Total Cells:  28707984
> |        Projection: UTM (zone 17)
> |            N: 3280373.34673833    S: 3280265.18938071   Res: 0.02067228
> |            E: 372335.90758975    W: 372236.78889019   Res: 0.01806428
> |   Range of data:    min = 0  max = 511
--->%--

Wow, looks pretty huge!
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