Maybe it's aligned to a particular Magnetic North at the time of
construction?? :-)
On Tuesday, January 31, 2012, maning sambale
wrote:
> Interesting, i always thought the forbidden city is oriented on a perfect
north-south direction. Any idea why its "tilted" in osm?
>
>
http://wiki.openstreetm
@Rally,
You maybe right according to NOAA'S NGDC website [0], Beijing's
magnetic north declination is ~-3° 6' 17" changing by -2.0' per year
which is almost the same degree of "tilting" of the Forbidden City.
[0] http://www.ngdc.noaa.gov/geomag-web/#declination
On Tue, Jan 31, 2012 at 10:30 PM,
