[GRASSLIST:4747] Re: projection problem

[Martin Wegmann]

>On Mon, Oct 14, 2002 at 05:24:30PM +0930, Martin Wegmann wrote:
>> hello, 
>> 
>> I exported GRASS files from ERDAS imagine 8.5 as SUTM 52  (Australian
>> National (ext. Spheroid) and AGD66 (ext. Datum)). In GRASS I created a
>> mapset in UTM, Elipsoid Australian and the Datum AGD66, Zone 52, south
>> and copied the files into this folder. When I run r.support on these
>> images I get the error message: can't read the header file - invalid
>> format - line 3:<north ......>
>> 
>> I reprojected one image in ERDAS into WGS 84 (Spheroid and Datum) and
>> exported that as GRASS file and it worked. But I would prefer not to
>> reproject the other 100 images and instead find my mistake in GRASS.
>> 
>> any idea what I did wrong? 
>
>What does <location>/<mapset>/cellhd/<raster> look like (it's just a
>text file, but is the "header").  I'm presuming ERDAS only knows about
>GRASS integer rasters (ver. 4.x)...  Apparently, there's an error in
>the header file...
>

celldh looks fine. 
I don't know if ERDAS is exporting a GRASS 4.x file, but it sounds resonable, I assume 4.x is not supporting agd66. I had similar problems with *.lan and *.gis exports (older ERDAS 
files) from ERDAS as adg66. well I'll reproject the images to wgs84 and export them again.