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Re: How to erase a (function graphics) plot. [message #79455 is a reply to message #79452]

Mon, 05 March 2012 04:53

lecacheux.alain
Messages: 325
Registered: January 2008

Senior Member

On 5 mar, 06:27, wlandsman <wlands...@gmail.com> wrote:
> I am building a widget application with a widget_window for displaying function graphics plots. By default, function graphics does not erase the old plot in the same window.
>
> p1 = plot(indgen(10))
> p2 = plot( sin(indgen(10),/current)
>
> There is a delete method
>
> p1.delete
>
> but that doesn't delete the axes, which still get jumbled together. There is a close method but that destroys the window, and I'd like to keep reusing the widget_window.
>
> Right now I am erasing the plot by loading a white IMAGE() but I hope there is a better way.
>
> Thanks, --Wayne
>
>

p1.delete looks like to be equivalent to p1.setdata(0), i.e. erasing
only the data. If you want to erase the entire plot, you can erases
the axes by doing:
IDL> p1['AXIS0'].delete ;erase X axis
IDL> p1['AXIS1'].delete ;erase Y axis
alx.

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[Message index]

		Re: How to erase a (function graphics) plot. By: Mark Piper on Mon, 05 March 2012 09:02
		Re: How to erase a (function graphics) plot. By: lecacheux.alain on Mon, 05 March 2012 04:53
		Re: How to erase a (function graphics) plot. By: David Fanning on Mon, 05 March 2012 09:07
		Re: How to erase a (function graphics) plot. By: Bob[4] on Sun, 11 May 2014 12:01
		Re: How to erase a (function graphics) plot. By: chris_torrence@NOSPAM on Sun, 11 May 2014 18:19
		Re: How to erase a (function graphics) plot. By: andeh on Mon, 12 May 2014 03:13
		Re: How to erase a (function graphics) plot. By: Bob[4] on Mon, 12 May 2014 07:49
		Re: How to erase a (function graphics) plot. By: chris_torrence@NOSPAM on Mon, 12 May 2014 08:41

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