There are no code samples in these books, but I've found them helpful for algorithms and theory:
Spatial Analysis and GIS <http://www.amazon.com/Spatial-Analysis-GIS-S-Fotheringham/dp/0748401040/sr= 8-7/qid=1157821335/ref=sr_1_7/104-6896703-9357568?ie=UTF8&s=books> An Introduction to Applied Geostatistics <http://www.amazon.com/Introduction-Applied-Geostatistics-Edward-Isaaks/dp/0 195050134/sr=8-1/qid=1157821360/ref=pd_bbs_1/104-6896703-9357568?ie=UTF8&s=b ooks> --Raj On 9/9/06 9:44 AM, "Andrew Turner" <[EMAIL PROTECTED]> wrote: > Andrea Moed <[EMAIL PROTECTED]> wrote: >> I have an existing collection of lat/lons, each representing a place where a >> photo was taken. I want to computationally find the geographic clusters in >> this collection, i.e. the geographic areas with the densest concentrations >> of points. (So it sounds like Andrew's "location-closeness clustering" is >> what I'm thinking of.) Having found these most-photographed areas, I want to >> find the geographic name that best describes each area, such as a region, >> city, neighborhood or park name. So, I'm looking for two different things, a >> location-closeness clustering algorithm and a gazetteer lookup. Sorry to be >> confusing. > > No problem - just lots of cool problems to be solved with your general > problem statement ;) > > Your project sounds very similar to recreating the Flickr YMap interface? > > Here is a Javascript (works w/ gmaps) clustering algorithm that works very > well: > http://www.acme.com/javascript/#Clusterer > the code could fairly easily be adapted to server-side computation and > storing in a database in bins - though that precludes "dynamic" > clustering depending on Zoom level. > > Then for naming the area - using something like Geonames Reverse Geocoding: > http://www.geonames.org/maps/reverse-geocoder.html > > Does that help? > > Andrew > > -- > Andrew Turner > [EMAIL PROTECTED] 42.4266N x 83.4931W > http://highearthorbit.com Northville, Michigan, USA > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking _______________________________________________ Geowanking mailing list [email protected] http://lists.burri.to/mailman/listinfo/geowanking
