I have a *lat, lon* coordinate with a known projection system I assume
it a initial point. I want to generate a next Position with the an
*angle* with (horizontal/vertical) and *bearing length* in lat,lon
coordinates and complete it with angles and bearing lengths to form a
polygon
Try http://www.movable-type.co.uk/scripts/latlong.html#destPoint
However, you need to be very careful with this as calculations are being
done assuming a spherical earth. Fine is distances arent large enough
for the ellipsoidal effects to affect accuracy. For large distances, you
need to use Vincent' s_formula -
http://en.wikipedia.org/wiki/Vincenty%27s_formulae which require iteration.
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