[Proj] Scale factor for Transverse Mercator

[Charles Karney]

Gerald I. Evenden wrote:
> Following Charles Karney suggestion of a method for comparing all three 
> extended TM projections see:
> 
> http://members.verizon.net/~gerald.evenden/proj4/scxtmerc_err.png

I think the x axis should be labeled asin(cos(lat)*sin(lon))
(= angular distance from central meridian)

-- 
Charles Karney <ckarney at sarnoff.com>
Sarnoff Corporation, Princeton, NJ 08543-5300

URL: http://charles.karney.info
Tel: +1 609 734 2312
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