[geotk] [JIRA] Created: (GEOTK-33) Support EPSG:3857 (Google projection)

[Martin Desruisseaux (JIRA)]

Support EPSG:3857 (Google projection)
-------------------------------------

                 Key: GEOTK-33
                 URL: http://jira.geotoolkit.org/browse/GEOTK-33
             Project: Geotoolkit
          Issue Type: Improvement
          Components: Referencing
    Affects Versions: 3.02, 3.01, 3.00, 3.03
            Reporter: Martin Desruisseaux
            Assignee: Martin Desruisseaux
            Priority: Minor
             Fix For: 3.03


We need to add the support for {{OperationMethod}} EPSG:1024 (_Popular Visualisation Pseudo Mercator_). The task is merely to add a few identifiers on the alias list of the Mercator projection and testing. Once this operation method is supported, the {{ProjectedCRS}} EPSG:3857 (_WGS 84 / Pseudo-Mercator_) should be available with no additional work.

Note that prior this EPSG code, GeoTools defined the EPSG:900913 custom code. Whatever we should support this code or not is an open question.

The arrival of an official EPSG code has been anounced there: (note that there is a typo in the reported code - this is 3587, not 3785)

* http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx

P.S.: it is already possible in current Geotk to instantiate a Google projection from WKT, without using the EPSG database, as documented there:

* http://www.geotoolkit.org/modules/referencing/faq.html#Google


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