Try: http://alienryderflex.com/polygon/
javascript implementation: http://econym.org.uk/gmap/epoly.htm On 16/09/2009, William J. Spat <[email protected]> wrote: > I wanted to pick the collective, dissociated geowanking brain on a problem > that has me stumped. > > I need to set a region in Open Layers using Open Street Map, and then > automatically determine if a given point falls within that region. > > I've come up with a simple formula that works with a quadrilateral-shaped > boxed region, but some possible regions are more complicated than that, > having more than four sides and not being exactly box shaped. > > Does anyone have any suggestions for a more robust formula that would work > for a greater range of region shapes? Or a clever work-around? > > Thanks in advance, > > Will > > > _______________________________________________ > Geowanking mailing list > [email protected] > http://geowanking.org/mailman/listinfo/geowanking_geowanking.org > _______________________________________________ Geowanking mailing list [email protected] http://geowanking.org/mailman/listinfo/geowanking_geowanking.org
