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
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