@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, Rally de Leon rall...@gmail.com wrote:
Maybe it's aligned to a particular Magnetic North at the time of
construction?? :-)
On Tuesday, January 31, 2012, maning sambale emmanuel.samb...@gmail.com
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.openstreetmap.org/wiki/File:Forbidden_city_2012-01_cloudmade-fresh.png
--
cheers,
maning
--
Freedom is still the most radical idea of all -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
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