[GeoJSON] AsJSON(geometry)

[Chris Holmes]

David William Bitner wrote:
> 
> 
>      >
>      >  { "id": "alesia",
>      >       "title": "Alesia",
>      >       "classname": "settlement",
>      >       "geometry": {
>      >        "type": "point",
>      >        "value": [47.535, 4.478, 0.0]
>      >       }
>      >       "srs": "EPSG:4326",
>      >     }
>      >
>      > instead of
>      >
>      >  { "id": "alesia",
>      >       "title": "Alesia",
>      >       "classname": "settlement",
>      >       "geometryType": "point",
>      >       "spatialCoordinates": [[47.535, 4.478, 0.0]],
>      >       "srs": "EPSG:4326",
>      >     }
>      >
>      > ?
>      >
>      > Chris
>      >
> 
>     I'm in favor of the above.
> 
>     Sean
> 
> Should the SRS go in with the geometry as well?
> 
> { "id": "alesia",
>        "title": "Alesia",
>        "classname": "settlement",
>        "geometry": {
>           "type": "point",
>           "value": [47.535, 4.478, 0.0]
>           "srs": "EPSG:4326",
>         }
> }

I would think so.  Though I do think it'd be nice if we didn't have to 
include the srs with every geometry, since it's a lot of redundant 
information, and there's a pretty good chance that with most collections 
of features you're going to have the same srs.

I'm not sure how 'json' it is, but if possible I'd like to have 
something like let the srs inherit from the collection, and then let the 
individual geometry object over-ride if it chooses to.  Another twist 
could be to define a default 4326 for everything, and if geometries (or 
collections if we like that) want to over-ride they can.

Though as a server side implementor I am happy to include it each time, 
as that's what you have to do for GML, so I do it already.

Chris

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-- 
Chris Holmes
The Open Planning Project
http://topp.openplans.org
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