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Re: Plot multiple axes with log and linear scales [message #67514 is a reply to message #67500]

Wed, 29 July 2009 08:59

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Conor writes:

> I need to make a plot with multiple x-axes. I've done this before
> without any trouble when both axes had a linear scale, and so I would
> use the axis command to create the second plot, and just set the
> xrange keyword to be whatever I needed it to be. Now however things
> are more complicated, because one axis is a linear scale, and the
> other axis is sorta kinda logarithmic scale.

Here is how you add a second, logarithmic axis:

http://www.dfanning.com/tips/another_yaxis.html

> There is a one-to-one
> relationship between the axes, but the relationship is not in the
> least bit simple. Basically, I need a way to tell IDL, for these
> values on the first x-axis, plot these values for the second x-axis.
> Anyone know how to do this?

I don't have the foggiest idea of what this means. Sorry. :-(

Cheers,

David
--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Plot multiple axes with log and linear scales By: JDS on Thu, 30 July 2009 09:21
		Re: Plot multiple axes with log and linear scales By: David Fanning on Wed, 29 July 2009 08:59
		Re: Plot multiple axes with log and linear scales By: Conor on Mon, 10 August 2009 06:29

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