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Reversing Object Graphics Axis Range [message #27476]

Thu, 25 October 2001 07:15

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Folks,

I had occasion the other day to require a reverse
object graphics axis (I.e., one that went from 1.2
at the bottom of the axis to 0 on the top. In direct
graphics, I could simply reverse the axis range:

Plot, data, ZRange=[1.2, 0]

You can do the same thing in object graphics. And
the result is an axis with the proper numbers, alright,
but with the annotation oriented upside down and backwards!
It was a tad hard to read. :-)

I figured out a way (eventually) to get what I wanted,
but I ran into all kinds of interesting "features"
in the process. I was going to write my observations
up in an article to save everyone else the excessive
effort, but I got to thinking that *surely* this can't
really be this hard.

So, has anyone managed to do something like this in
a simple and straightforward way that I may have
overlooked?

Cheers,

David

P.S. Let's just take as a working definition of
"simple and straightforward" something that takes
less than 15 lines of code. :-)

--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Reversing Object Graphics Axis Range By: David Fanning on Thu, 25 October 2001 07:15
		Re: Reversing Object Graphics Axis Range By: David Fanning on Sun, 28 October 2001 12:53
		Re: Reversing Object Graphics Axis Range By: Mark Hadfield on Sun, 28 October 2001 12:36
		Re: Reversing Object Graphics Axis Range By: David Fanning on Sun, 28 October 2001 11:38
		Re: Reversing Object Graphics Axis Range By: David Fanning on Thu, 25 October 2001 22:35
		Re: Reversing Object Graphics Axis Range By: David Fanning on Thu, 25 October 2001 14:33
		Re: Reversing Object Graphics Axis Range By: Mark Hadfield on Thu, 25 October 2001 14:15
		Re: Reversing Object Graphics Axis Range By: David Fanning on Thu, 25 October 2001 14:05
		Re: Reversing Object Graphics Axis Range By: Mark Hadfield on Thu, 25 October 2001 13:14
		Re: Reversing Object Graphics Axis Range By: Mark Hadfield on Thu, 25 October 2001 12:49
		Re: Reversing Object Graphics Axis Range By: David Fanning on Thu, 25 October 2001 07:54

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