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Re: Display two images on one position [message #28659 is a reply to message #28658]

Sun, 23 December 2001 18:27

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning (david@dfanning.com) writes:

> At the very least, you can speed this code up
> tremendously by doing this:
>
> TV, image
> LoadCT, 5
> TV, highlight * (highlight NE 0)

Well, that's probably not right, come to think
of it. Let's see..

How about this:

LoadCT, 0, NColors=100
s = Size(image, /Dimensions)
composite = BytArr(s[0], s[1])
imageIndex = Where(highlight EQ 0, Complement=hltIndex)
composite[imageIndex] = BytScl(image[imageIndex], Top=99)
composite[hltIndex] = BytScl(highlight[hltIndex], Top=99) + 100B
LoadCT, 5, NColors=100, Bottom=100
TV, composite

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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[Message index]

		Re: Display two images on one position By: Craig Markwardt on Wed, 02 January 2002 14:57
		Re: Display two images on one position By: Emmler, Oliver on Wed, 02 January 2002 07:14
		Re: Display two images on one position By: David Fanning on Mon, 24 December 2001 09:37
		Re: Display two images on one position By: Emmler, Oliver on Mon, 24 December 2001 00:51
		Re: Display two images on one position By: David Fanning on Sun, 23 December 2001 18:27
		Re: Display two images on one position By: David Fanning on Sun, 23 December 2001 14:57

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