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Re: Image thresholding [message #15555 is a reply to message #15382]

Fri, 21 May 1999 00:00

REV
Messages: 1
Registered: May 1999

Junior Member

DL> c=[0,1,2,3,4,5,6,7,8,9]
IDL> b=c
IDL> c(where(c ge 5 and c le 10)) = 0
IDL> print,c
0 1 2 3 4 0 0 0 0
0

David Brennan <9147261b@clinmed.gla.ac.uk> wrote in article
<3740387C.72B259F7@clinmed.gla.ac.uk>...
> Does anyone know of a fast routine or function for searching through a
> 3D data set and setting numbers within a predetermined range of values
> to zero. i.e,
>
> the range is 5 - 10
>
> A data set contains [0,1,2,3,4,5,6,7,8,9]. It becomes
> [0,1,2,3,4,0,0,0,0,0]
>
> This would save me a lot of time.
>
>
> Thanks
>
> Dave Brennan
>
>

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[Message index]

		Image thresholding By: Dave Brennan on Mon, 17 May 1999 00:00
		Re: Image thresholding By: Struan Gray on Tue, 18 May 1999 00:00
		Re: Image thresholding By: Brian Jackel on Mon, 17 May 1999 00:00
		Re: Image thresholding By: Liam Gumley on Mon, 17 May 1999 00:00
		Re: Image thresholding By: mgs on Mon, 17 May 1999 00:00
		Re: Image thresholding By: Liam Gumley on Mon, 17 May 1999 00:00
		Re: Image thresholding By: davidf on Mon, 17 May 1999 00:00
		Re: Image thresholding By: REV on Fri, 21 May 1999 00:00

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