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Re: Missing value and Image size in Image, Function Graphic [message #87098 is a reply to message #87097]

Tue, 07 January 2014 08:37

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> Generally, you would get the background image like this, before you set
> up the PostScript device:
>
> backgroundImage = cgSnapshot()
> ps_open, 'test.png'
> cgimage, ...., AlphaBackgroundImage = backgroundImage
> ps_close

Whoops! Still getting used to my own software. Blush...

backgroundImage = cgSnapshot()
cgps_open, 'test.png'
cgimage, ...., AlphaBackgroundImage = backgroundImage
cgps_close

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.")

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[Message index]

		Missing value and Image size in Image, Function Graphic By: Gompie on Mon, 06 January 2014 13:20
		Re: Missing value and Image size in Image, Function Graphic By: David Fanning on Mon, 06 January 2014 13:54
		Re: Missing value and Image size in Image, Function Graphic By: Gompie on Mon, 06 January 2014 18:59
		Re: Missing value and Image size in Image, Function Graphic By: David Fanning on Mon, 06 January 2014 21:25
		Re: Missing value and Image size in Image, Function Graphic By: Gompie on Tue, 07 January 2014 08:06
		Re: Missing value and Image size in Image, Function Graphic By: David Fanning on Tue, 07 January 2014 08:22
		Re: Missing value and Image size in Image, Function Graphic By: David Fanning on Tue, 07 January 2014 08:37
		Re: Missing value and Image size in Image, Function Graphic By: Paul Van Delst[1] on Tue, 07 January 2014 05:47
		Re: Missing value and Image size in Image, Function Graphic By: markb77 on Tue, 07 January 2014 09:04
		Re: Missing value and Image size in Image, Function Graphic By: David Fanning on Tue, 07 January 2014 09:32
		Re: Missing value and Image size in Image, Function Graphic By: Andy Sayer on Tue, 07 January 2014 10:09
		Re: Missing value and Image size in Image, Function Graphic By: Fabzi on Wed, 08 January 2014 04:13

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