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Re: plotting an array values keeping origin as a reference value [message #80737]

Mon, 02 July 2012 05:36

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

shambhu writes:

> I have an array a=[4,2,6,9,3,1]. I wan to plot these array values from
> origin, like (0,4),(0,2),(0,6) etc. How to plot this.

I would do it like this:

a=[4,2,6,9,3,1]
b = Indgen(N_Elements(a))+ 1
cgplot, b, a, /NoData, XRange=[0,Max(b)+1], XStyle=1
FOR j=0,N_Elements(a)-1 DO BEGIN
cgPlotS, [b[j],b[j]], [a[j],!Y.CRange[0]], Color='red', Thick=2
ENDFOR
END

Cheers,

David

--
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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