comp.lang.idl-pvwave archive: archive » cgWindow - what am I doing wrong that makes winID change values?

Home » Public Forums » archive » cgWindow - what am I doing wrong that makes winID change values?

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

Re: cgWindow - what am I doing wrong that makes winID change values? [message #91229 is a reply to message #91219]

Thu, 18 June 2015 07:51

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Barry Lesht writes:

> I clearly don't understand the winID feature of Coyote graphics. This
keyword is supposed to make it possible to direct graphics commands to
different previously opened windows (winid = [the identifier of the
window you want]). I'm finding, however, that the act of directing a
graphics command to a window seems to change its winID. Consider the
following example (IDL8.2, MacOSX10.8.5, Coyote graphics revision 1540):
>
> IDL> cgWindow, wTitle = 'Window 1' ; Open the first window
> IDL> w1ID = cgQuery(/Current) ; Determine its ID number
> IDL> PRINT, w1ID ; Yup, it's 32
> 32
> IDL> cgWindow, wTitle = 'Window 2' ; Open another window
> IDL> w2ID = cgQuery(/Current) ; Get its ID number
> IDL> PRINT, w2ID ; This one is 33
> 33
> IDL> PRINT, w1ID ; The first ID still is 32
> 32
> IDL> cgWindow, 'cgPlot', [0,10], [0,10], winID=w1ID, /AddCmd ; Plot something
> IDL> PRINT, w1ID ; Oops - what happened to w1ID?
> 0
> IDL> cgWindow, 'cgPlot', [0,10], [0,10], winID=w2ID, /AddCmd ; Try window 2
> IDL> PRINT, w2ID
> 1 ; Same problem
>
> Could this have something to do with giving the window titles? Seems strange to me. Thanks for any insights.

You can find an updated and fixed version of this program here:

http://www.idlcoyote.com/programs/cgwindow.pro

Cheers,

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

Report message to a moderator

[Message index]

		cgWindow - what am I doing wrong that makes winID change values? By: BLesht on Wed, 17 June 2015 14:54
		Re: cgWindow - what am I doing wrong that makes winID change values? By: David Fanning on Thu, 18 June 2015 07:21
		Re: cgWindow - what am I doing wrong that makes winID change values? By: David Fanning on Thu, 18 June 2015 07:51
		Re: cgWindow - what am I doing wrong that makes winID change values? By: BLesht on Thu, 18 June 2015 16:26

Previous Topic:	croping jpeg image
Next Topic:	formatting y-axis when plotting relative frequency using cgHistoplot

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 15:52:34 PDT 2025

Total time taken to generate the page: 0.01137 seconds