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Re: IDL 8 NG widget problem [message #74717 is a reply to message #74714]

Tue, 01 February 2011 08:46

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

caroline cox writes:

> thanks, but I am not sure that will help. I have shown a simplified
> version of my program here. I actually call other functions from the
> menu buttons and I guess I want the function to make sure that if
> there is something already plotted in the widget space then it clears
> it and starts a fresh plot. I use widget_control, draw, get_value=win
> then win.select to plot in the current window. Is there anything that
> I can use here to clear the current plot? I have tried win.refresh.

I can't help you with IDL 8 function graphics, sorry.
I'll get around to fixing those in my next book. ;-)

But this is a pretty neat idea, so I just modified
FSC_Erase to have a Layout keyword like other Coyote
Graphics routines. This allows you to "erase" just
a portion of the display.

So, you can do this, for example.

FSC_Plot, LoadData(17), Layout=[2,2,1]
FSC_Plot, LoadData(17), Layout=[2,2,4]

Then, if you want to "erase" the first plot, you
just type:

FSC_Erase, Layout=[2,2,1]

I'll check this in later today with the other changes. :-)

Cheers,

David

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

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[Message index]

		Re: IDL 8 NG widget problem By: David Fanning on Tue, 01 February 2011 09:03
		Re: IDL 8 NG widget problem By: David Fanning on Tue, 01 February 2011 08:46
		Re: IDL 8 NG widget problem By: caroline cox on Tue, 01 February 2011 08:22
		Re: IDL 8 NG widget problem By: Gray on Tue, 01 February 2011 05:48
		Re: IDL 8 NG widget problem By: chris_torrence@NOSPAM on Tue, 01 February 2011 16:18

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