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Re: Where can I find a description of the !MAP structure tags? [message #69374]

Fri, 15 January 2010 06:51

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Nicolas writes:

> I actually make use of both the MAP_PROJ*** routines and the Snyder
> book,
> but I wanted to make sure to understand what IDL does and the meaning
> of each tag in the !MAP structure.

Well, mostly what IDL does (at least with the MAP_PROJ_*** routines)
is implement the USGS GCTP map projection routines. These are
quite old now and are showing their age. In our shop we are moving
in the direction of Python for our data visualization needs,
where we can take advantage of proj4 and gdal mapping tools.

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.")

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		Re: Where can I find a description of the !MAP structure tags? By: David Fanning on Fri, 15 January 2010 06:51
		Re: Where can I find a description of the !MAP structure tags? By: Nicolas on Fri, 15 January 2010 06:11
		Re: Where can I find a description of the !MAP structure tags? By: David Fanning on Thu, 14 January 2010 06:54

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