comp.lang.idl-pvwave archive: archive » Re: How to erase a (function graphics) plot.

Home » Public Forums » archive » Re: How to erase a (function graphics) plot.

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

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

Mon, 05 March 2012 09:02

Mark Piper
Messages: 198
Registered: December 2009

Senior Member

On 3/5/2012 5:53 AM, alx wrote:
> 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.

In 8.2, there will be an ::Erase method for NG, analogous to ERASE for
DG. (In 8.0 & 8.1, I've "erased" plots as Alain has.)

mp

Report message to a moderator

[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

Previous Topic:	Problem with IDLnetURL Callback Function
Next Topic:	how to shade region of 2-D plot

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 16:02:34 PDT 2025

Total time taken to generate the page: 0.00512 seconds