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Re: About Map_set [message #81866]

Thu, 01 November 2012 05:46

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

zolilemtumela@gmail.com writes:

> Hi all, I need a suggestion, i got geomagnetic and geographic coordinates for lats and lons.
> How can I use map_set in geomagnetic coordinates system

Here is an article that gives you the matrix cooeficients to
switch from a Geographical to Geomagnetic coordinate
system. I found it my Googling "Geomagnetic coordinate
system". :-)

http://www-ssc.igpp.ucla.edu/personnel/russell/papers/gct1.h tml/#s3.2

Cheers,

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

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