| Re: TV : maximum width limit varies by platform [message #41553] |
Wed, 17 November 2004 22:10 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Andrew Cool writes:
> I've been creating a scrollable draw widget with a large
> xsize of 105480 pixels (and a ysize of 220) to hold an array
> of data of those same dimensions.
>
> Creating the draw widget is no problem. But TV-ing the data array is!
>
> Under Linux I get the error :-
>
> TV : Width and Height must be less than 65526 on this X11 Server.
>
> On my Windows PC, I get this error back from TV :-
>
> TV : Width and Height must be less than 32000.
>
>
> Is this limitaton OS specific or graphics card specific?
>
> I can always congrid the array down, but it's not my first choice.
I would have a look at the APP_SCROLL keyword.
This gives you the *appearance* of a large scrolling
window, without actually having to draw the large
image in the window.
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http:/www.dfanning.com/
Phone: 970-221-0438, IDL Book Orders: 1-888-461-0155
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