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Re: coordinate coversion systems [message #68236 is a reply to message #68234]

Thu, 08 October 2009 07:16

oxfordenergyservices is currently offline

oxfordenergyservices
Messages: 56
Registered: January 2009

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On 8 Oct, 15:10, David Fanning <n...@dfanning.com> wrote:
> a writes:
>> I can see how they get from lat/lon to e/n but not back again. I'll
>> keep having a look though, thanks!
>
> MAP_PROJ_INVERSE
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

thanks!

and why does

IDL> x=[0.0,0.0]
IDL> b=map_proj_inverse(x)
% MAP_PROJ_INVERSE: Value of Projection index is out of allowed range.
% Execution halted at: N 81 /watt0/LCR/rlayber/metar/
n3.pro
% $MAIN$

surely the map_structure is default and i'm asking the lat long on 0
eatings and 0 northings, ie the origin?

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[Message index]

		Re: coordinate coversion systems By: oxfordenergyservices on Thu, 08 October 2009 07:36
		Re: coordinate coversion systems By: oxfordenergyservices on Thu, 08 October 2009 07:16
		Re: coordinate coversion systems By: David Fanning on Thu, 08 October 2009 07:10
		Re: coordinate coversion systems By: oxfordenergyservices on Thu, 08 October 2009 07:00
		Re: coordinate coversion systems By: David Fanning on Thu, 08 October 2009 06:52

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