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Re: switching PS device from color to b/w? [message #31255 is a reply to message #31253]

Wed, 26 June 2002 08:10

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Steve Smith<steven_smith> (nobody@nowhere.com) writes:

> I just found that once you've given the
> /color directive to idl, it retains it,

All PostScript or Z device keywords are "sticky", meaning that they
set the device into a particular state until they are changed.
What you are forgetting is that /COLOR is equivalent to COLOR=1.
If you don't want color you have to set COLOR=0. It is not
uncommon for people who use the "slash" form of keywords
to forget that, since normally they are *not* dealing with
sticky keywords.

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
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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[Message index]

		Re: switching PS device from color to b/w? By: David Fanning on Wed, 26 June 2002 10:00
		Re: switching PS device from color to b/w? By: Liam E. Gumley on Wed, 26 June 2002 09:02
		Re: switching PS device from color to b/w? By: David Fanning on Wed, 26 June 2002 08:10
		Re: switching PS device from color to b/w? By: David Fanning on Wed, 26 June 2002 08:06
		Re: switching PS device from color to b/w? By: nobody@nowhere.com (S on Mon, 24 June 2002 10:19
		Re: switching PS device from color to b/w? By: Ken Mankoff on Mon, 24 June 2002 09:24
		Re: switching PS device from color to b/w? By: nobody@nowhere.com (S on Mon, 24 June 2002 09:16
		Re: switching PS device from color to b/w? By: David Fanning on Sun, 23 June 2002 22:37
		Re: switching PS device from color to b/w? By: condor on Tue, 09 July 2002 17:03

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