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Re: Display two images on one position [message #28658 is a reply to message #28657]

Mon, 24 December 2001 00:51

Emmler, Oliver
Messages: 14
Registered: May 2001

Junior Member

> 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

Great. This is nearly what i want to.

Isn't there a function Just to display two images on one array 256x256
without deleting the first displayed one ?

;## Produce Highlighted Area
highlight = image
ndots = WHERE(image LT x)
highlight(ndots) = 0

;## Produce Negative of Highlighted Area out of Image
pdots = WHERE(image GT x-1)
negative = image
negative(pdots) = 0

I am creating two images devided by the value x so i get highlight and
image. Easiest Way to do would be :

LoadCT, 0
tv, image
LoadCT, 5
tv, highlight

Unfortunately this erases the first image.

Regards,

Oliver

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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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