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Re: differences among map_proj_image, map_image and map_patch [message #83212 is a reply to message #83211]

Mon, 18 February 2013 10:29

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

>
> Olivia writes:
>
>> I wanna project air temperature (tmean: [7025 (lon), 3105 (lat)]) over the U.S. from geographic coordinate to Lambert Azimuthal Equal-Area coordinate, and need to know the x,y value of the new variable.
>
> This is a fairly complicated question, unfortunately. Before I agree to
> take it on, how much do you know about map projections, generally, and
> what exactly do you mean by the "x,y value of the new variable". Can you
> tell me very specifically what value (or values) you are looking for?

It also might help, if you can tell me where I can download that data
set. I'm afraid the answer to this question is going to involve more
than just text. :-(

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		Re: differences among map_proj_image, map_image and map_patch By: Olivia on Wed, 20 February 2013 08:53
		Re: differences among map_proj_image, map_image and map_patch By: David Fanning on Tue, 19 February 2013 13:11
		Re: differences among map_proj_image, map_image and map_patch By: David Fanning on Tue, 19 February 2013 12:56
		Re: differences among map_proj_image, map_image and map_patch By: Olivia on Tue, 19 February 2013 11:54
		Re: differences among map_proj_image, map_image and map_patch By: David Fanning on Mon, 18 February 2013 17:55
		Re: differences among map_proj_image, map_image and map_patch By: Olivia on Mon, 18 February 2013 10:53
		Re: differences among map_proj_image, map_image and map_patch By: Olivia on Mon, 18 February 2013 10:46
		Re: differences among map_proj_image, map_image and map_patch By: David Fanning on Mon, 18 February 2013 10:29
		Re: differences among map_proj_image, map_image and map_patch By: David Fanning on Mon, 18 February 2013 10:23

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