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Re: Y-Axis: Negitive numbers on top [message #1519]

Wed, 01 December 1993 13:56

sterner
Messages: 106
Registered: February 1991

Senior Member

deutsch@astro.washington.edu (Eric Deutsch) writes:

> In article 301193095555@bundy.aero.org, Ann_Mazuk@qmail2.aero.org (Ann Mazuk) writes:

>> I am running IDL 3.1.0 using VAX/VMS. I am making a plot and on the y-axis
>> I want negative numbers to be near the top of the y-axis and positive
>> numbers to be near the bottom of the y-axis, such that it looks similar to
>> this:
>>
. . .

> The initial solution is simply to use something like:

> IDL> plot,indgen(10)-8,yrange=[2,-10]

> The tricky part comes when you want to have automatic Y scaling and have it
> reversed. An ugly solution is:

> IDL> plot,indgen(10)-8
> IDL> plot,indgen(10)-8,yr=[!y.crange([1,0])]

> Anyone have a better solution?

I just use plot,x,y,yran=[max(y),min(y)]

Ray Sterner sterner@tesla.jhuapl.edu
Johns Hopkins University North latitude 39.16 degrees.
Applied Physics Laboratory West longitude 76.90 degrees.
Laurel, MD 20723-6099

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		Re: Y-Axis: Negitive numbers on top By: sterner on Wed, 01 December 1993 13:56
		Re: Y-Axis: Negitive numbers on top By: thompson on Tue, 30 November 1993 15:30

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