re-running with bing only outlines 168648 / 300000 = 56%
One outline polygon is a multipolygon which QGIS doesn't recognize so the hole here [0] is included. [0] http://tools.openstreetmap.org.ph/imagery_coverage/#6.445038,125.6145,13 On Tue, Oct 23, 2012 at 10:40 PM, maning sambale <emmanuel.samb...@gmail.com> wrote: > Oops sorry. I guess the title is wrong. > > Maning Sambale (mobile) > > On Oct 23, 2012 9:58 PM, "Eugene Alvin Villar" <sea...@gmail.com> wrote: >> >> It seems you included all the other non-Bing imagery. So the 60% is >> for all available mid to high resolution imagery. :) >> >> On Tue, Oct 23, 2012 at 7:25 PM, maning sambale >> <emmanuel.samb...@gmail.com> wrote: >> > Dear everyone, >> > >> > We often wondered how much of the Philippines is covered by Bing's >> > hires imagery. Using the the data from out Imagery coverage map [0], >> > I clipped the imagery outline polygon to the coastline data in OSM [1] >> > and I got the value 180,466 km^2. We have roughly 300,000 km^2 of >> > land. So, >> > >> > 180466 / 300000 = 60% >> > >> > [0] http://tools.openstreetmap.org.ph/imagery_coverage/ >> > [1] http://farm9.staticflickr.com/8188/8115782445_b1651be93c_b.jpg >> > -- >> > cheers, >> > maning -- cheers, maning ------------------------------------------------------ "Freedom is still the most radical idea of all" -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ ------------------------------------------------------ _______________________________________________ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
