@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/
------------------------------------------------------

_______________________________________________
talk-ph mailing list
talk-ph@openstreetmap.org
http://lists.openstreetmap.org/listinfo/talk-ph

Reply via email to