8 Feb
2011
8 Feb
'11
11:02 p.m.
On 2/9/11, David Wilson <davidwwilson@comcast.net> wrote:
... Just recently, my new boss told me he had worked at a mapping company, and one of his last tasks, which he did not finish, was to compute the area of a map region (spherical polygon) with vertices given in lat-long coordinates. I was trying to apply the same technique, projecting the edges down to the equator and adding the areas of the quadrilaterals thus formed, hoping that this area might have some tractable formula in terms of the lat-longs. ...
Heigh-ho --- conned by commerce yet again --- at this rate I'm never going to make a mathematical millionaire! WFL