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From "Martin Desruisseaux (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SIS-3) Refactor SIS
Date Thu, 28 Jul 2016 21:27:20 GMT

    [ https://issues.apache.org/jira/browse/SIS-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398243#comment-15398243
] 

Martin Desruisseaux commented on SIS-3:
---------------------------------------

Having hear no objection to the [proposal posted on the mailing list|https://lists.apache.org/thread.html/0fcb9c936415e04f4bfe0775e18f138abdaef2150842282cf5abdbfb@1463530127@%3Cdev.sis.apache.org%3E]
in May 2016, closing this task. The hope is to make easier to review the "resolved but not
yet closed" list of tasks before each Apache SIS release candidates. If this task need additional
work, of course it is fine to reopen it.

> Refactor SIS
> ------------
>
>                 Key: SIS-3
>                 URL: https://issues.apache.org/jira/browse/SIS-3
>             Project: Spatial Information Systems
>          Issue Type: Improvement
>          Components: Geometry objects, Referencing
>         Environment: indep. of env.
>            Reporter: Chris A. Mattmann
>            Assignee: Chris A. Mattmann
>             Fix For: 0.1-incubating
>
>
> Now with SIS-1 out of the way, I'll begin work on refactoring what we've got for SIS
so far. 
> After reading [1], I think we should begin with the definition of a spatio-temporal reference
identified there:
> {quote}
> Any measurement we take in Earth and environmental sciences, although this is often ignored,
has a spatio-temporal reference. A spatio-temporal reference is determined by (at least) four
parameters: 
> 1. geographic location (longitude and latitude or projected X,Y coordinates); 
> 2. height above the ground surface (elevation); 
> 3. time of measurement (year, month, day, hour, minute etc.); 
> 4. spatio-temporal support (size of the blocks of material associated with measurements;
time interval of measurement);
> {quote}
> I'm going to use this issue to track that focus of the initial refactoring.
> [1] http://www.lulu.com/items/volume_67/8010000/8010854/5/print/Hengl_2009_GEOSTATe2c1_f.pdf



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