[postgis-users] Re: Bugus SRS

[Frank Warmerdam]

On 5/5/05, strk at refractions.net <strk at refractions.net> wrote:
> Nicolas, we just changed the entry you pointed our attention on:
> SRID=27582
> 
> You reported it worked for you with entries shipped with postgis
> pre 1.0.0:

> That entry already had a lon_0 != 0.
> 
> Since these entries are extracted by a script in gdal/ogr
> I think it's worth fixing them in the source data repository
> first.
> 
> Frank, did you check this out lately ?

Strk,

I am aware of outstanding problems with the NTF coordinate systems.
I think the problem is related to the non-greenwich prime meridian
but it could also be related to the use of gradians.   There is an 
open bug report on the issue, but I haven't dug into it. 

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | Geospatial Programmer for Rent