[GRASSLIST:8528] Re: EPSG: Basic question...

[Christian Ferreira]

Thanks Hamish,


> http://www.epsg.org/
>
> has the full database,


Yes, I saw this, but I don't use Windows or MS Access. But maybe I will try
to set a database with Postgresql/Mysql.

but for the PROJ.4 supplied version that GRASS
> uses hunt for a file called something like /usr/share/proj/epsg on
> your system. Open that in a text editor and search. A quick look turns
> up two codes, 29100 and 29101. Codes for WGS84 lat/lon etc are in the
> article text.
>
> $ grep -A1 Brazil /usr/share/proj/epsg
> # SAD69 / Brazil Polyconic
> <29100> +proj=poly +lat_0=0 +lon_0=-54 +x_0=5000000 +y_0=10000000
> +ellps=GRS67 +units=m +no_defs <>
> # SAD69 / Brazil Polyconic
> <29101> +proj=poly +lat_0=0 +lon_0=-54 +x_0=5000000 +y_0=10000000
> +ellps=aust_SA +units=m +no_defs <>


BTW: The list included on GRASS (On "Create location From ESPG => EPSG
Codes") is endless. It's really hard to find anything. I think that a search
engine is necessary for it.

Again, thank you for your help.

Cheers,
--
Christian dos Santos Ferreira
Oceanographer. Msc.
Lab. of Fisheries Research and Hydroacustics
Federal University of Rio Grande (FURG)
Rio Grande - RS - Brazil
Tel +55 (53) 32336528
Website: http://poseidon.furg.br
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