[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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