[OSRS-PROJ] Proj.4 vs Geotrans

Gerald I. Evenden gerald.evenden at verizon.net
Sat Mar 29 22:28:12 EST 2003

A followup note: reading the Mercator code realized the fact that
although you could spec the scale factor at the equator
(equivalent to +k_0=) there was no latitude of true scale
(+lat_ts=) that, from my experience, is the most common usage
for Mercator (look at the bottom of navigation charts).

On Sat, 2003-03-29 at 19:57, Jesus Angel del Pozo wrote:
> Hello.
> What are the main advantages of Proj.4 vs Geotrans?
> I think Geotrans has a more complete doc. Does exist a up to date doc of
> Proj.4?
> I'll use the conversion routines in a GUI program (not in a script).
> Thanks.

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