[postgis-devel] [PostGIS] #376: Add ST_GeomFromGeoJSON

Paragon Corporation lr at pcorp.us
Tue Sep 6 15:42:31 PDT 2011


Kashif,
 
Maybe you can join us for the sprint.
 
http://wiki.osgeo.org/wiki/FOSS4G_2011_Code_Sprint#PostGIS
 
Thanks,
Regina and Leo


  _____  

From: postgis-devel-bounces at postgis.refractions.net
[mailto:postgis-devel-bounces at postgis.refractions.net] On Behalf Of Kashif
Rasul
Sent: Tuesday, September 06, 2011 5:31 PM
To: PostGIS Development Discussion
Subject: Re: [postgis-devel] [PostGIS] #376: Add ST_GeomFromGeoJSON


Dear oliver 

This is a complete patch of all my changes... so initially I added geojson
export via json-c but realized that to get support for double with precision
one would need to patch the json-c lib. as done by GDAL. Not sure if we
wanna do this at the moment so I reverted the export to the original
version.

In terms of the performance, in the end json-c lib. is doing what the
hand-written json creation in the orignal version was/is doing so I dont
think there will be any significant performance changes.

Hope this answers your questions and thanks for the encouragement.

Kashif
ps. I will be in flying into Denver this Thursday for Foss4g and SOTM, hope
to meet many of you there.

On Tue, Sep 6, 2011 at 10:59 PM, Courtin Olivier
<olivier.courtin at oslandia.com> wrote:


On Sep 6, 2011, at 2:32 PM, Kashif Rasul wrote:


sorry the patch is at: 

http://dl.dropbox.com/u/3215373/geojson.patch


I look at it very quickly,

But first question is about GeoJson export function,
now with this patch, export is provided trought the json-c lib.

Do we have  any idea about (significant) performance changes ?



Good to see these news feature anyhow :)



--
Olivier


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