Le 20/12/2011 01:42, clipka a écrit :
> FYI, the projection you used is not a transverse Mercator, but Cassini
> (aka transverse equirectangular projection). Mercator would project your
> "outer equator" into infinity,

HS! You're probably right. Mercator would use a cylinder and so far I'm
on a sphere. Bad me, very bad me.

Back to the drawing table and the equations... put the right labels on
the right bottles...

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