[OpenLayers-Dev] tilecache for vector data

mpriour mpriour at kestrelcomputer.com
Tue May 20 10:48:12 EDT 2008

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
that breaks up point & line datasets into small javascript files containing
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:
> Hi,
> 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 ?
> Thanks
> -- 
> Guillaume SUEUR
> _______________________________________________
> Dev mailing list
> Dev at openlayers.org
> http://openlayers.org/mailman/listinfo/dev

View this message in context: http://www.nabble.com/tilecache-for-vector-data-tp17339988p17342298.html
Sent from the OpenLayers Dev mailing list archive at Nabble.com.

More information about the Dev mailing list