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From "patrick o'leary (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SIS-3) Refactor SIS
Date Sat, 03 Apr 2010 17:19:27 GMT

    [ https://issues.apache.org/jira/browse/SIS-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853165#action_12853165
] 

patrick o'leary commented on SIS-3:
-----------------------------------

Talked before about a configuration factory for handling different radii
wonder could we use the same factory concept for handling this too?

> Refactor SIS
> ------------
>
>                 Key: SIS-3
>                 URL: https://issues.apache.org/jira/browse/SIS-3
>             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
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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