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Re: IDL 8 NG widget problem [message #74801 is a reply to message #74718]

Tue, 01 February 2011 16:18

chris_torrence@NOSPAM is currently offline

chris_torrence@NOSPAM
Messages: 528
Registered: March 2007

Senior Member

On Feb 1, 9:22 am, caroline cox <caroline.co...@gmail.com> wrote:
>
> 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.

Hi,

In IDL 8.1 we are adding a "Delete" method to the new graphics - it
will delete just that graphic. We are also adding a GetData/SetData
method, so you can change the data on an existing graphic (like a
Plot) and all of the properties will stay the same.

For now, in IDL 8.0, you can use the undocumented "PutData" method:
p = plot(/test)
p.PutData, findgen(2,100)
The first column is the X values, and the second is the Y values.

Hope this helps!

-Chris
ITTVIS

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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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