|No such thing as a small change|
Re^6: Perl and Solving Trig/Converting GPS to x,y Cordsby BrowserUk (Pope)
|on Jan 09, 2013 at 14:25 UTC||Need Help??|
I was unaware of the GPS difficulties,
Even without GPS inaccuracies at those latitudes; extraordinary measures need to be taken in the polar regions anyway.
The same Law of Cosines Spherical Geometry that work just fine for larger distances over most of the Earth's surface are entirely inadequate in polar regions.
For more details, see the GIS FAQ.
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