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Re: differences among map_proj_image, map_image and map_patch [message #83213 is a reply to message #83212]

Mon, 18 February 2013 10:23

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

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?

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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