I apologize to all, I forgot the appropriate link to the task: http://tasks.hotosm.org/job/9
-Kate On Sun, May 27, 2012 at 5:56 PM, Kate Chapman <k...@maploser.com> wrote: > The one in Indonesia is the work of human mappers. There has been an > effort going on to map all the buildings in Padang for the past 9 > months or so. > > It does look like some cleanup does need to be done of the area due to > some duplicate nodes and other problems. But overall I think it has > been a really great effort of a lot of folks to help. > > If you look at HOT's Tasking Manager you can see there is a large area > that has been worked on that is almost finished. It is an area HOT > bought high resolution satellite imagery for through a grant. > > -Kate > > On Sun, May 27, 2012 at 5:30 PM, Frederik Ramm <frede...@remote.org> wrote: >> Hi, >> >> if you render the world on zoom level 16, there are 67 million "meta >> tiles" (each covering an area of 8x8 tiles). The majority of them are in the >> sea, obviously, and unlikely to have any data. 20 million meta tiles are not >> in the sea; of these, 4.4 million have at least one node. >> >> As of 27th May 2012, only 142 of these meta tiles have more than 100,000 >> nodes on them; the front-runner has a whopping 227,000. 105 are in France, >> 26 in the US, 3 each in Italy and Brazil, and one each in Spain, Japan, >> Denmark, Austria, and Indonesia. >> >> This count is a side effect of something else I was doing and I apologise >> for not making a proper map of it; I've only dumped and reverse-geocoded the >> top 142 regions: >> >> http://fred.dev.openstreetmap.org/density/ >> >> I'd be interested to know how many of these are actually the work of human >> mappers. Most of the French ones are probably imported buildings, but the >> others? >> >> If anyone wants to do something interesting with it, the full file of all >> 4.4 million metatiles and how many nodes on them is available on request (or >> the rather primitive script that makes the list from a planet file). >> >> Bye >> Frederik >> >> -- >> Frederik Ramm ## eMail frede...@remote.org ## N49°00'09" E008°23'33" >> >> _______________________________________________ >> talk mailing list >> talk@openstreetmap.org >> http://lists.openstreetmap.org/listinfo/talk _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
