[OSGeo-Discuss] OSGEO code

[Arnulf Christl]

Christopher Schmidt wrote:
> On Tue, Dec 22, 2009 at 10:29:56AM +0000, Jo wrote:
>> Hi,
>> I apologise if this is out of topic, but I don't know where else to post
>> this question.
>> I'm implementing the OSGEO Tile Map Server
>>
>> http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification
>>
>> <http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification>and I came across
>> a SRS named "OSGEO:41001";
>> since I don't know this authority and code, I was wondering if it is the
>> same as Google Mercator ("EPSG:900913").
>> This was also suggested to me from reading in other places:
> 
> 41001 no longer has any meanng, but what we meant by it at the time is 
> what we now call 900913.

Not really relevant but easy to memorize, it "spells" Google:
900913
googlE

> For a time, this was EPSG:3785; this is now EPSG:3857.
> 
> All 4 of those (and occasionally 54004) mean essentially the same thing in
> common usage.
> 
>> http://trac.osgeo.org/gdal/wiki/SoCGDAL2Tiles#NewsuggestionsforTMSStandard
>>
>> <http://trac.osgeo.org/gdal/wiki/SoCGDAL2Tiles#NewsuggestionsforTMSStandard>If
>> it is the same, maybe it would be a good idea to change the code for EPSG
>> (update the spec), for a matter of inter operability and compatibility with
>> other services?
>> If it is not the same, I would really appreciate if you could point me to
>> other places where I can get more information about this SRS.
>>                                                             Thanks in
>> advance,
>>
>>  best regards,
>>
>>                       Jo
>> -- 
>> "#define QUESTION ((bb) || !(bb))"  (Shakespeare)
> 
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> 
> 


-- 
Arnulf Christl

Exploring Space, Time and Mind
http://arnulf.us/