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From "Martin Desruisseaux (JIRA)" <>
Subject [jira] [Created] (SIS-223) Orthographic
Date Fri, 17 Jul 2015 10:38:04 GMT
Martin Desruisseaux created SIS-223:

             Summary: Orthographic
                 Key: SIS-223
             Project: Spatial Information Systems
          Issue Type: Sub-task
          Components: Referencing
            Reporter: Martin Desruisseaux
            Priority: Minor

The orthographic projection has no EPSG code, but is described in John P. Snyder (Map Projections
- A Working Manual, U.S. Geological Survey Professional Paper 1395, 1987).

An {{Orthographic}} file is available on Geotk, but can not be ported as-is in SIS for licensing
reason, except the projection derivative formulas and the work on (de)normalization matrices.
The other formulas need to be retraced from the book. However this map projection is relatively
simple, so this task is presumed easy.

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