[Proj] Re: Transverse Mercator algorithm with good accuracy/speed trade-off?

[Gerald I. Evenden]

On Saturday 24 May 2008 9:44 pm, Thomas Knudsen wrote:

I would be very interested in a copy if it could be included in the libproj4 
lbrary.  Full source acknowledgements would be included with the library 
distribution source code as well as documentation.  Libproj4 licencing 
follows the MIT version---see header comments for any libproj4 file for 
details (sample header at end of this email).

Also, is there any development documentation for this method?

Thank-you.

> On 2008-05-24, Daan Strebe wrote:
> > You might investigate the series development of Karsten Engsager,
> > which is quite efficient and covers most of the globe with a
> > manageable number of terms. Dr. Engsager is with the Geodetic
> > Division of KMS, Denmark.
>
> Dr. Engsager's implementation is available under a very permissive
> licence (it can certainly be included in the proj library without any
> legal problems). Let me know if anyone is interested, and I'll make
> sure to get the (fairly brief) C code distributed as soon as possible.
>
> Thomas Knudsen, Reference Networks Division, KMS,
> Copenhagen Denmark
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** libproj -- library of cartographic projections
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