miblon wrote: > Hi there folks, > > I am currently investigating the open source options for generating > density maps. I currently have some php code that could form the bases > to do this, but I would prefer to use more general available api's such > as geotools if that would be possible. > > From a j2ee developers point of view; I am looking for functionality > that I can feed with a dataset of irregular point(jts) geometry and that > will generate a layer like the one shown here: > > http://2.bp.blogspot.com/_ZSuJiQ9ztA8/SmIM9yD-tYI/AAAAAAAABlM/FOyoqcie7Cc/s1600-h/Shootings+heat+map+Baltimore+July+2009.jpg > > > or > > http://rbnhw.com/media/epp-ShakeProbability.jpg > > preferably, the image should be georeferenced so it can be handled as > wms, but the latter I can fix. > > Any ideas or references on where to look would be great! > > kind regards, > > Milo van der Linden
I believe this implementation is done with Postgis & not sure what else http://www.walkscore.com/rankings/San_Francisco The creator of that site lurks here too, and I can put you in contact for the specifics. Alex _______________________________________________ Discuss mailing list Discuss@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/discuss