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Re: BYTSCL and NAN keyword [message #38352 is a reply to message #38276]

Wed, 03 March 2004 07:26

K. Bowman
Messages: 330
Registered: May 2000

Senior Member

In article <ond67vf8sb.fsf@cow.physics.wisc.edu>,
Craig Markwardt <craigmnet@REMOVEcow.physics.wisc.edu> wrote:

> How about this non-WHERE approach?
> bb = bytscl(x, ...) + (finite(x) EQ 0)*255b

Clever idea (JD also)! The logical not operator (~) will work as well

bb = BYTSCL(x, ..., /NAN) + BYTE(255*(~FINITE(co)))

While not mandatory, the BYTE function ensures that the result bb is
type BYTE (since FINITE returns a LONG).

Ken

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[Message index]

		Re: BYTSCL and NAN keyword By: David Fanning on Tue, 02 March 2004 15:48
		Re: BYTSCL and NAN keyword By: Kenneth P. Bowman on Tue, 02 March 2004 15:18
		Re: BYTSCL and NAN keyword By: David Fanning on Tue, 02 March 2004 14:07
		Re: BYTSCL and NAN keyword By: JD Smith on Tue, 02 March 2004 13:32
		Re: BYTSCL and NAN keyword By: Craig Markwardt on Tue, 02 March 2004 09:39
		Re: BYTSCL and NAN keyword By: David Fanning on Tue, 02 March 2004 09:45
		Re: BYTSCL and NAN keyword By: K. Bowman on Tue, 02 March 2004 09:26
		Re: BYTSCL and NAN keyword By: David Fanning on Tue, 02 March 2004 09:18
		Re: BYTSCL and NAN keyword By: Edd Edmondson on Tue, 02 March 2004 09:13
		Re: BYTSCL and NAN keyword By: K. Bowman on Wed, 03 March 2004 07:26
		Re: BYTSCL and NAN keyword By: Kenneth P. Bowman on Tue, 02 March 2004 17:44

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