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Re: Reversing Object Graphics Axis Range [message #27618 is a reply to message #27476]

Thu, 25 October 2001 07:54

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning (david@dfanning.com) writes:

> 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.

> [snip]

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

I've actually just solved *part* of my problem.
I can now get the axis tick annotation to appear
correctly if I set the TextUpDir keyword for the
axis:

zAxis = Obj_New("IDLgrAxis", 2, Color=[0,255,0], Ticklen=0.1, $
Minor=4, Title=ztitleObj, Range=Reverse(zrange), $
TextUpDir=[0, 0, -1])

Now it is just the axis TITLE that is reversed.
I've tried setting the UpDir keyword on the text
object that I use for the title, but properties you
set for text objects don't seem to have
any effect when the text object is part of an
axis unit. Has anyone else noticed this?

Cheers,

David

--
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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