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https://issues.apache.org/jira/browse/SIS-229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux resolved SIS-229.
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    Resolution: Fixed

Done, but without creating a {{Spherical}} specialized subclass. We tried and 
saw that spherical equations had very few simplifications compared to the 
ellipsoidal ones. The reason is because the ellipsoidal form is the same as 
spherical form with only the geodetic latitude (φ) replaced by authalic 
latitude (ß), and the computation of authalic latitude is done by the parent 
class. We can skip the φ ↔ ß conversion in the spherical case, the rest is the 
same.

> Lambert Azimuthal Equal Area (Spherical) (EPSG:1027)
> ----------------------------------------------------
>
>                 Key: SIS-229
>                 URL: https://issues.apache.org/jira/browse/SIS-229
>             Project: Spatial Information Systems
>          Issue Type: Sub-task
>          Components: Referencing
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>            Priority: Minor
>
> Spherical case of SIS-228. Formulas given by §1.3.11.1 in IOGP Publication 
> 373-7-2 – Geomatics Guidance Note number 7, part 2 – April 2015.



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