| Re: How to display image on X root window? [message #22491 is a reply to message #22489] |
Sat, 18 November 2000 23:34  |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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"David G. Grier" <grier@fafnir.uchicago.edu> writes:
> Hi Folks,
>
> Is there a straightfoward way to get IDL to display an image on the
> root window of an X display?
> I have something in mind along the lines of xloadimage -onroot
>
> Alternatively, is there a way to open an IDL window with no borders
> or title bar?
You can probably accomplish this by creating a window the exact size
of the display. Here is some code to do that:
IDL> device, get_screen_size=screenxy
IDL> window, 0, xsize=screenxy(0), ysize=screenxy(1)
On my Linux at least, the border is there, but appears off-screen, so
the full screen real-estate is taken by the IDL graphics window. Also
a user can move the window and resize it.
As for a way to open a window on another display, that may be
trickier. If you can, you should set the DISPLAY variable before
calling IDL. You might also try doing
setenv, 'DISPLAY=:0.1'
However when I tried this, a license error came up [ IDL thinks you
are trying to bypass the one-machine, one-license restriction.
Commercial software, harumph! ]
Craig
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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