[OpenLayers-Dev] tilecache for vector data
guillaume.sueur at neogeo-online.net
Tue May 20 10:57:50 EDT 2008
thank you very much for these informations Matt !
mpriour a écrit :
> This IS definately an idea that has merit. A number of other people have
> discussed this issue. Tiled vector datasets work well for points, pretty
> good for lines, but run into some serious issues with polygons.
> There is already a python based tool developed by Microsoft Research Labs
> object literals (I don't know if GeoJSON is used or some other format). You
> can find this at:
> You can also read some ideas on this on the MapWrecker blog (the most
> interesting part is in the comments section):
> post 1 ,
> post 2
> hope that helps validate your idea and give you some perspective on what
> other's have thought about this problem.
> Matt Priour
> Kestrel Computer Consulting
> Guillaume Sueur-2 wrote:
>> Has anyone of you had a thought about caching vector data in a web
>> format (GML, GeoJSON, GeoRSS...) ?
>> What I mean is a tilecache system for which one would set a tolerance
>> depending on the scale, and which would store the little files
>> corresponding to the generalized original data on the tile extent.
>> Do you think the performances of vector display would be increased or is
>> this idea complete crap ?
>> Guillaume SUEUR
>> Dev mailing list
>> Dev at openlayers.org
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