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Re: Conversion Between UTM and Lat/Lon Coordinates [message #58214 is a reply to message #58089]

Wed, 16 January 2008 14:17

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On Jan 15, 2:37 pm, David Fanning <n...@dfanning.com> wrote:
> APound writes:
>> I found a fairly straight forward website on the formulas, but it is a
>> bit over my head... Maybe you'll be able to glean something from
>> that...
>
>> http://www.uwgb.edu/dutchs/UsefulData/UTMFormulas.HTM
>
> Thanks for this. Someone just reminded me of those lovely
> routines Ben Tupper made available at one time or another.
> I'm just trying UTM_to_LL now.
>
> I looked at that web site earlier today and had much the
> same reaction you did. Good thing Ben wasn't deterred.
> His code looks so similar that I think he must have
> cribbed it from here. :-)
>

Hi David,

Wow - I am impressed someone did it using a spreadsheet. Must be like
trying to walk a dog with two legs - you just have to pull real hard.
The reference cited in my code and on that website (Snyder, J. P.,
1987; Map Projections - A Working Manual. U.S. Geological Survey
Professional Paper 1395, 383 p.) is probably one of the better
purchases I have ever made. I haven't done much map stuff in a long
time, but I fondly remember that great book.

Cheers,
Ben

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[Message index]

		Re: Conversion Between UTM and Lat/Lon Coordinates By: Brian Larsen on Tue, 15 January 2008 13:23
		Re: Conversion Between UTM and Lat/Lon Coordinates By: David Fanning on Tue, 15 January 2008 11:37
		Re: Conversion Between UTM and Lat/Lon Coordinates By: APound on Tue, 15 January 2008 11:25
		Re: Conversion Between UTM and Lat/Lon Coordinates By: ben.bighair on Wed, 16 January 2008 14:17

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