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From "Martin Desruisseaux (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (SIS-488) Handle wrap-around longitude in NADCON grid
Date Wed, 19 Feb 2020 13:27:00 GMT

     [ https://issues.apache.org/jira/browse/SIS-488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Desruisseaux resolved SIS-488.
-------------------------------------
    Fix Version/s: 1.1
       Resolution: Fixed

> Handle wrap-around longitude in NADCON grid
> -------------------------------------------
>
>                 Key: SIS-488
>                 URL: https://issues.apache.org/jira/browse/SIS-488
>             Project: Spatial Information Systems
>          Issue Type: Task
>          Components: Referencing
>    Affects Versions: 0.7, 0.8, 1.0
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>            Priority: Major
>             Fix For: 1.1
>
>
> The NADCON grid for Alaska ({{"alaska.las"}} and {{"alaska.los"}} files) have a domain
of validity ranging from -194° to -127.875° of longitude and 46° to 77.125° of latitude.
So it has a part defined beyond the -180° limit, with longitude values between -194° and
-180°. When asking a coordinate transformation at longitude 170°, the {{InterpolatedTransform}}
class should understand that this 170° longitude is actually located at -190° longitude
in the coordinate system of its NADCON grid.



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