[GRASS-windows] r.ouot.gdal when using grass in windows

[Markus Neteler]

2009/3/26 apachemaven <apachemaven at yeah.net>:
> When I use the r.out.gdal to translate the data of grass format to GeoTiff
> ,normally I should get a tif image,however I always get a blank tif
> image,only 3-4 kb,anyone know why??

You need to set first the current region to either the map or
the zone of interest:

e.g.

g.region rast=yourmap -p
r.out.gdal in=yourmap out=yourmap.tif

I assume that you export a zone outside of the map.

Markus