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Re: Adding straight lines to a plot [message #73473 is a reply to message #73472]

Thu, 11 November 2010 14:38

penteado
Messages: 866
Registered: February 2018

Senior Member
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On Nov 11, 8:28 pm, fgg <fabioguimaraesgoncal...@gmail.com> wrote:
> Hi,
>
> Is there a function in IDL to add a straight line through an existing
> plot? Something like the 'abline' function in R, where all you need is
> to specify the y-value for a horizontal line (or the x-value for a
> vertical line).
>
> Thanks

The easiest way is to overplot a line. That is, overplot two 2-element
arrays, one with the initial and final x, the other with the initial
and final y.

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[Message index]

		Re: Adding straight lines to a plot By: fgg on Thu, 11 November 2010 15:22
		Re: Adding straight lines to a plot By: David Fanning on Thu, 11 November 2010 15:02
		Re: Adding straight lines to a plot By: penteado on Thu, 11 November 2010 14:38
		Re: Adding straight lines to a plot By: Paul Van Delst[1] on Fri, 12 November 2010 06:32

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