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Re: Backing store issue [message #48114 is a reply to message #47993]

Tue, 28 March 2006 08:59

liamgumley
Messages: 74
Registered: June 2005

Member

Jonathan,

Have you looked at the ENVI display paradigm? If not, you may want to
install the ENVI demo to see how it handles large images.

Liam.
Practical IDL Programming
http://www.gumley.com/

Jonathan Joseph wrote:
> The code you've given doesn't have the desired effect on the Sun because
> it will limit the size of the window it creates to the size of the
> screen. So it's not a valid test.
>
> If I give my program a large enough image to open though, I get the same
> kind of error you are probably seeing.
>
> % WIDGET_CONTROL: Unable to create X windows pixmap (BadAlloc
> (insufficient resources for operation)).
>
> The program then runs, but with no backing store. This is probably what
> it should do in the case where I am seeing garbage.
>
> It seems only to be in a grey area inbetween where it will create the
> pixmap, but the pixmap will end up with some garbage in it.
>
> I think David has pretty well assessed the situation.
>
> -Jonathan

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[Message index]

		Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 10:56
		Re: Backing store issue By: Karl Schultz on Tue, 28 March 2006 11:31
		Re: Backing store issue By: Paul Van Delst[1] on Tue, 28 March 2006 10:45
		Re: Backing store issue By: K. Bowman on Tue, 28 March 2006 10:24
		Re: Backing store issue By: Karl Schultz on Tue, 28 March 2006 10:03
		Re: Backing store issue By: liamgumley on Tue, 28 March 2006 08:59
		Re: Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 14:44
		Re: Backing store issue By: Karl Schultz on Mon, 27 March 2006 13:48
		Re: Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 13:20
		Re: Backing store issue By: David Fanning on Mon, 27 March 2006 12:58
		Re: Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 12:40
		Re: Backing store issue By: David Fanning on Mon, 27 March 2006 12:36
		Re: Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 12:24
		Re: Backing store issue By: David Fanning on Mon, 27 March 2006 11:41
		Re: Backing store issue By: Jonathan Joseph on Mon, 27 March 2006 11:37
		Re: Backing store issue By: David Fanning on Mon, 27 March 2006 11:23

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