[Proj] ESRI proj codes

[Eric Miller]

ESRI documents the various codes in their online help.  I'm not sure if there is a single place for all of them (outside the SDK header file pedef.h which is considered a "trade secret").  For instance, the C++ API has several projection related constants.

http://help.arcgis.com/en/sdk/10.0/arcobjects_cpp/componenthelp/index.html#/esriSRProjCSType_Constants/000w0000003q000000/

And geographic coordinate systems ...

http://help.arcgis.com/en/sdk/10.0/arcobjects_cpp/componenthelp/index.html#/esriSRGeoCSType_Constants/000w0000002t000000/
-- 

Eric G. Miller
Staff Programmer
CA Dept. of Fish & Game


>>> On 9/8/2011 at 6:32 AM, Irwin Scollar <al001 at uni-koeln.de> wrote:
> The NAD directory of proj4 contains the files esri and esri-other 
> with additional codes numbered above 100000.
> 
> These useful additional codes are not recognized by the EPSG web site 
> http://www.epsg-registry.org/. They are also not in the official 
> Access database file EPSG_v7_9.mdb.   They are however linked on the 
> http://spatialreference.org/ref/epsg/ site.
> 
> Is there an Internet source for the latest ESRI data which can be 
> used to create a supplementary table for the EPSG Access database and 
> which can be updated when ESRI or EPSG adds or changes something?
> 
> Irwin Scollar
> 
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