[GRASS-user] Reprojection help

Maciej Sieczka tutey at o2.pl
Sat Aug 11 03:59:35 EDT 2007

Richard Chirgwin wrote:
> It's me again ... I suspect I must be stupider than most Grass users
>  because I seem to be hitting the list with questions so often!
> I have my own maps which are in lat-long format, using Australian 
> boundaries.

What ellipsoid?

> I need to analyse some points relative to some centroids supplied in
>  MapInfo format. They import fine, but they're in Lambert Conformal 
> Conical projection.
> Without being long-winded, my attempts to reproject the LCC location
>  into a lat-long UTM using WGS84 keep failing - the utilities work
> but the result isn't right.

What do you mean?

> Is there something about LCC projections that make them hard to
> reproject?

Please let us know the projection settings of your two Locations using
"g.proj -p". Can you provide the projection info of your original data
before you imported them to GRASS? "ogrinfo -al -so" might do it.


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