[GRASS-user] Error while using r.in.gdal for USGS landsat7 images

[Markus Neteler]

2010/7/7 António Rocha <antonio.rocha at deimos.com.pt>:
> Hi there,
>
> I'm using r.in.gdal to import Landsat7 images downloaded from USGS website.
> These landsat images are distributed in UTM-WGS84 for the specific zone. in
> this case I'm working with images from Brazil (WGS84 UTM ZONE 24S). So first
> I created  an Location based on EPSG:32724.
> Here goes the gdalinfo command for the image:
> /Driver: GTiff/GeoTIFF
> Files: L5216065_06520070405_B10.TIF
> Size is 8171, 6991
> Coordinate System is:
> PROJCS["WGS 84 / UTM zone 24N",
...
> As can be seen it's North instead of South. Nevertheless, r.in.gdal imports
> it and it even says: Projection of input dataset and current location appear
> to match

but only appear I think - it is a garbage in/garbage out problem.
I would assign the correct EPSG code with

gdal_translate -a_srs ... badfile.tif goodfile.tif

then reimport. To catch all possible (rare) nonsense case in r.in.gdal I
consider to be overkill.

Markus