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From "Chris A. Mattmann (JIRA)" <>
Subject [jira] Work started: (SIS-3) Refactor SIS
Date Wed, 18 Aug 2010 02:30:28 GMT


Work on SIS-3 started by Chris A. Mattmann.

> Refactor SIS
> ------------
>                 Key: SIS-3
>                 URL:
>             Project: Spatial Information Systems
>          Issue Type: Improvement
>          Components: distance functions, geometry objects
>         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
> 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]

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