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Re: how to over plot after using "cgZplot" [message #82689 is a reply to message #82687]

Tue, 08 January 2013 10:10

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

idlhelp writes:

> I have a small problem. My first plot work fine with cgZplot command but I want to overplot another plot on it. How can i do that. I am doing in the following way.
>
> cgZPlot,a,b,color='black'
> cgZPlot,c,d,color='red',/overplot
>
> but it doesn't work.

I'd do it like this:

a = Indgen(101)
b = cgDemoData(17)
c = Indgen(101)
d = cgDemoData(17)
oplotObj = Obj_New('cgOverPlot', c, d, color='red')
cgZPlot, a, b, OPLOTS=oplotObj

Note, that if you are running IDL 8 and above, you can
create the oplotObj like this:

oplotObj = cgOverplot(c, d, color='red')

This is true of an Coyote Graphics object, such as cgMap, etc.

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: how to over plot after using "cgZplot" By: David Fanning on Tue, 08 January 2013 10:30
		Re: how to over plot after using "cgZplot" By: abc on Tue, 08 January 2013 10:26
		Re: how to over plot after using "cgZplot" By: David Fanning on Tue, 08 January 2013 10:10

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