Need an AuthorityFactory wrapper for reordering axis
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Key: GEOT-694
URL: http://jira.codehaus.org/browse/GEOT-694
Project: GeoTools
Type: Task
Components: referencing
Versions: 2.2.M1
Reporter: Martin Desruisseaux
Assigned to: Martin Desruisseaux
While the axis order for EPSG:4326 is "officially" (NORTH,EAST), some code
expect (EAST,NORTH) axis order. We need a mechanism for allowing people to
force (EAST,NORTH) axis order if they wish. This applies primarily to the EPSG
authority factory, but similar issue may happen for any kind of authority
factory (not just EPSG).
A proposed approach is to create an AuthorityFactory wrapper (exact name to be
determined), which wraps an other AuthorityFactory and reorder the axis
according some user-supplied axis order, or according a default
(EAST,NORTH,UP,FUTURE) axis order. If a user wants to be sure that that all CRS
use this axis order, he could write something like (simplified):
AuthorityFactory factory = new
RearangedAuthorityFactory(FactoryFinder.getAuthorityFactory(theAuthority));
Suggestions (other approachs, other issue to take in account, etc.) welcome.
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