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Re: Sorry! I made a mistake. [message #30517 is a reply to message #30375]

Sat, 27 April 2002 15:38

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Weiqun Zhang (zhang@ucolick.org) writes:

> Yes, I am. ".Xdefaults" can control the visual class. But if I start
> with a class, I cannot change to another.

Yes, that is correct. Once you have a visual class,
you cannot change to another in that IDL session.

> IDL> device,get_visual_name=temp & print, temp
> DirectColor
> IDL> DEVICE, TRUE_COLOR=24

Whoops! Too late. By asking for the name of the
visual class, you had to establish a visual class
connection. This is the same as opening a window.
You must set the visual class FIRST!!! Usually
this is done as the FIRST command in an IDL
startup file.

Cheers,

David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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		Sorry! I made a mistake. By: Weiqun Zhang on Fri, 26 April 2002 18:04
		Re: Sorry! I made a mistake. By: David Fanning on Sat, 27 April 2002 15:38

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