[OpenLayers-Dev] WKT support?

Cameron Shorter cameron.shorter at gmail.com
Mon Mar 26 18:41:41 EDT 2007


Please disregard this email. Tim answered further down the email thread. 
I should have read on.

Cameron Shorter wrote:
> 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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