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From "Martin Desruisseaux (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SIS-9) Allow for multiple spatial reference systems
Date Mon, 07 Sep 2015 16:35:46 GMT

     [ https://issues.apache.org/jira/browse/SIS-9?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Desruisseaux resolved SIS-9.
-----------------------------------
    Resolution: Fixed

While this task is not completely finished (we are still missing the EPSG database), the WKT
and GML support now provide us two ways to specify the spatial reference system.

> Allow for multiple spatial reference systems
> --------------------------------------------
>
>                 Key: SIS-9
>                 URL: https://issues.apache.org/jira/browse/SIS-9
>             Project: Spatial Information Systems
>          Issue Type: New Feature
>          Components: Geometry objects, Referencing, Web services
>            Reporter: Chris A. Mattmann
>            Assignee: Martin Desruisseaux
>             Fix For: 0.6, 0.7
>
>
> We should really support the ability to move between multiple spatial reference systems.
Right now, we are implicitly assuming WGS84, but there are plenty of others, e.g., North American
Datum of 1983 for one. As part of this, we should support conversion between different geoids,
the ability to parse and read existing files and determine their reference system (maybe this
should be an issue in itself), and conversion functions to take SIS data and go back and forth.
Of course, this has large implications on distance functions, existing geometric operators
and spatial comparators.



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