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Trying to plot geomagnetic coordinates [message #86056]

Thu, 26 September 2013 10:28

cssulliv
Messages: 1
Registered: September 2013

Junior Member

Hello,

I am trying to project geomagnetic coordinates onto an image with geographic coordinates already drawn (using map_grid) over Millstone Hill Observatory. I have an array for both geomagnetic latitudes and longitudes. I cannot find any procedure or keyword in IDL that allows you to plot these lines.

Any advice or suggestions?

Thanks,

Caity

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Re: Trying to plot geomagnetic coordinates [message #86065 is a reply to message #86056]

Sat, 28 September 2013 22:54

skymaxwell@gmail.com is currently offline

skymaxwell@gmail.com
Messages: 127
Registered: January 2007

Senior Member

четверг, 26 сентября 2013 г., 21:28:11 UTC+4 пользователь cssu...@bu.edu написал:
> Hello,
>
>
>
> I am trying to project geomagnetic coordinates onto an image with geographic coordinates already drawn (using map_grid) over Millstone Hill Observatory. I have an array for both geomagnetic latitudes and longitudes. I cannot find any procedure or keyword in IDL that allows you to plot these lines.
>
>
>
> Any advice or suggestions?
>
>
>
> Thanks,
>
>
>
> Caity

Hello

look at http://idlastro.gsfc.nasa.gov/ftp/pro/astro/mag2geo.pro

hope this library could be usefull

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