[OpenLayers-Dev] WKT support?
Cameron Shorter
cameron.shorter at gmail.com
Mon Mar 26 18:37:27 EDT 2007
I seemed to have missed the development of GeoJSON. What is the state of
GeoJSON?
Where is the syntax defined? Is anyone other than OpenLayers using it?
Is it a candidate we should be presenting to the OGC with a
recommendation that it become standardised?
Christopher Schmidt wrote:
>
>> Also, tschaub: should GeoJSON use WKT?
>>
>
> No, please God no :)
>
> * GeoJSON is designed such that it can be dropped in a callback with
> *no parsing* and used to create feature objects in javascript.
> Parsing coordinate pairs out of long geometries for GML can
> take up to 30% of the time of working with WFS layers; GeoJSON's
> coordinate support removes this parsing time. (Up to another 30%
> can be attribute parsing: this removes that cost as well.) WKT to
> Javascript is basically unstructured content -- which is harder to
> parse. GeoJSOn is designed to fix that problem.
>
> * The above-mentioned "WKT isn't so well known" possibility still
> applies.
>
> Regards,
>
--
Cameron Shorter
Systems Architect, http://lisasoft.com.au
Tel: +61 (0)2 8570 5011
Mob: +61 (0)419 142 254
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