[OpenLayers-Users] Grouping Features into "one" feature using Styles or other means

Christopher Schmidt crschmidt at metacarta.com
Wed Oct 7 07:38:05 EDT 2009


On Tue, Oct 06, 2009 at 09:57:32AM -0500, David Fawcett wrote:
> Good point Chris.
> 
> I wasn't thinking of clustering (a requirement Jon's...)
> 
> I guess that I was thinking that one could do some sort of data
> thinning and provide those views at smaller scales.  Either way, if
> one thinned the data or applied a clustering algorithm, this would
> likely be done as a pre-processing step to prepare some data sets to
> build a WMS on.

'Thinning' points isn't really an easy task. At least, it's not built into
any tools that I'm aware of, though I'm sure there are some. (Simplifying 
line data is simpler.)

Regards,
-- 
Christopher Schmidt
MetaCarta



More information about the Users mailing list