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Re: Overlaying multiple plots on top of map [message #78276 is a reply to message #78275]

Mon, 07 November 2011 12:41

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Axel writes:

> Thanks for your reply. I played around with that before. When I issue
> a map_set command followed by a plot command with /noerase and
> position:
>
> MAP_SET, /LAMBERT, 90, 0, -55, /ISOTROPIC, $
> /GRID, LATDEL=10, LONDEL=10, $
> /CONTINENTS, E_CONTINENTS={FILL:1}, /HORIZON, $
> TITLE = 'Polar Lambert',limit=[50,-180,90.,180],$
> label=3
>
> plot,[0,30],[0,30],position='[0.1,0.2,0.1,0.2]',/noerase,/no data
>
> I get an error: No coordinate system established.
>
> Any ideas on how to get around that... .

I would say put values in your POSITION keyword
that don't result in a axis of zero length! ;-)

Cheers,

David

P.S. I can't really tell what you are trying to do here,
but I think I would have the POSITION keyword on the
MAP_SET command, too, if you are trying to establish a coordinate
system that is coincident with the map projection.

position=[0.1, 0.1, 0.9, 0.9]

would be a better choice than what you have. :-)

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

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[Message index]

		Re: Overlaying multiple plots on top of map By: David Fanning on Mon, 07 November 2011 15:54
		Re: Overlaying multiple plots on top of map By: Axel[1] on Mon, 07 November 2011 15:12
		Re: Overlaying multiple plots on top of map By: David Fanning on Mon, 07 November 2011 12:41
		Re: Overlaying multiple plots on top of map By: Axel[1] on Mon, 07 November 2011 12:22
		Re: Overlaying multiple plots on top of map By: David Fanning on Fri, 04 November 2011 15:46

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