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Re: How to clear an object plot [message #72795 is a reply to message #72794]

Tue, 05 October 2010 10:39

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jean writes:

>
> Hi again,
>
> #1 I'm calling the new IDL 8.0 plot feature object plot has an
> official name has been found for this guy ? :-)

New Graphics (NG), I think. :-)

> #2 I'm creating a very simple plot
>> _p = plot(indgen(10))
> but now I want to very quickly display another using the same _p
> window. Closing this one and creating a new one won't work because I
> need to do this at a very high rate.
>
> To get the full story, I have an application that shows a 2d image
> (using tvscl). When the user moves his mouse over this image, the z vs
> x and z vs y are plotted in 2 differents plot objects.
>
> I tried to use _p.select and _p = plot(<new plot>) but this plots the
> new data on top of the old one.
>
> Am I missing something here ?

I think you missed the undocumented method PutData. ;-)

_p.PutData, newdata

Cheers,

David

P.S. I've been meaning to write an article about this, but
I've gotten caught up in another project. Maybe soon now.

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

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[Message index]

		Re: How to clear an object plot By: Paul Van Delst[1] on Tue, 05 October 2010 15:18
		Re: How to clear an object plot By: Paul Van Delst[1] on Tue, 05 October 2010 15:13
		Re: How to clear an object plot By: David Fanning on Tue, 05 October 2010 13:22
		Re: How to clear an object plot By: Jean[2] on Tue, 05 October 2010 12:55
		Re: How to clear an object plot By: David Fanning on Tue, 05 October 2010 11:23
		Re: How to clear an object plot By: penteado on Tue, 05 October 2010 10:57
		Re: How to clear an object plot By: David Fanning on Tue, 05 October 2010 10:39
		Re: How to clear an object plot By: penteado on Tue, 05 October 2010 10:36

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