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https://issues.apache.org/jira/browse/SIS-223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux updated SIS-223:
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Summary: Vertical Perspective, orthographic case (EPSG:9839) (was:
Orthographic projection)
> Vertical Perspective, orthographic case (EPSG:9839)
> ---------------------------------------------------
>
> Key: SIS-223
> URL: https://issues.apache.org/jira/browse/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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