I can provide a .properties file with the required information, no  
problem.  I will attach it to the JIRA when it is ready.
P

On 16-Aug-06, at 2:06 PM, Martin Desruisseaux wrote:

> Paul Ramsey a écrit :
>> But, in the long term, what is the correct design way to handle   
>> this?  we have the "real" EPSG database, which will presumably be   
>> updated over time, to include more and more projections as EPSG  
>> does  their work.  And we have some projection numbers like the  
>> ESRI and  Cubewerx ones, that were pretend standards, but exist in  
>> legacy  software in lots of places.  And we have the global useful  
>> ones,  which might also exist in legacy places (ESRI has a number  
>> for world  mercator, for example) which would be hand to have around.
>
> I already though about this issue and created a JIRA task for that  
> a few months ago:
>
>     http://jira.codehaus.org/browse/GEOT-774
>
> The proposed fix, already available on trunk, is  
> "FallbackAuthorityFactory" (note that I'm not sure that this name  
> is really correct). This is a factory which delegates all object  
> creation to a main factory, and fallback on an other one if the  
> main factory failed. So "FallbackAuthorityFactory" can delegates  
> object creation to epsg-hsql (for example) and fallback on epsg-wkt  
> if the former failed.
>
> There is a few additional work needed before this proposal can work:
>
> 1) I would like a new module, said "epsg-ext", "epsg-esri" or  
> whatever, which is a
>    copy of "epsg-wkt" containing only the additional CRS. All CRS  
> available through
>    epsg-hsql would be removed from epsg-ext.
>
> 2) We would need to decide what axis order should be for the  
> GeographicCRS declared
>    in epsg-ext. Lets remind that even if axis are declared as  
> (latitude,longitude)
>    in epsg-ext, users can force (longitude,latitude) using the same  
> mechanism (hint
>    or system property) than epsg-hsql.
>
> 3) The AuthorityFactory class in epsg-ext need to be a subclass of  
> "PropertyAuthorityFactory",
>    and this module must register a "FallbackAuthorityFactory". I  
> can take care of this step if
>    the above is done.
>
> Does is sound like a pratical approach?
>
>       Martin.


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