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From "Chris A. Mattmann (JIRA)" <>
Subject [jira] Updated: (SIS-8) Build a common SIS data container for spatial data
Date Tue, 09 Nov 2010 04:18:08 GMT


Chris A. Mattmann updated SIS-8:

    Component/s: storage
                 geometry objects

- classify

> Build a common SIS data container for spatial data
> --------------------------------------------------
>                 Key: SIS-8
>                 URL:
>             Project: Spatial Information Systems
>          Issue Type: New Feature
>          Components: geometry objects, storage
>            Reporter: Chris A. Mattmann
>            Assignee: Chris A. Mattmann
>             Fix For: 0.2-incubating
> The QuadTreeNode has the concept of a data container per node in the QTree, but I'd like
to extend this to a general SIS spatial data type. This would in part be motivated by e.g.,
[1], where the suggestion is something like:
> {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} 
> [1]

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