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Re: pixel coordinates of a line [message #25539 is a reply to message #25537]

Thu, 28 June 2001 07:42

david[2]
Messages: 100
Registered: June 2001

Senior Member

Marc Schellens writes:

> I want to extract pixels along a line.
> I know start and endpoint (ie. I draw the line in top of the
> image).
> How to get the pixel values? Do I have to do it 'by hand'?

Here is an article that describes how to do this
for another purpose, using the INTERPOLATE function:

http://www.dfanning.com/tips/image_profile.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@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: pixel coordinates of a line By: marc schellens[1] on Fri, 29 June 2001 01:45
		Re: pixel coordinates of a line By: Craig Markwardt on Thu, 28 June 2001 08:10
		Re: pixel coordinates of a line By: david[2] on Thu, 28 June 2001 07:42
		Re: pixel coordinates of a line By: tam on Thu, 28 June 2001 06:33
		Re: pixel coordinates of a line By: Alex Schuster on Thu, 28 June 2001 05:43
		Re: pixel coordinates of a line By: marc schellens[1] on Wed, 27 June 2001 23:35
		Re: pixel coordinates of a line By: david[2] on Fri, 29 June 2001 06:53
		Re: pixel coordinates of a line By: Craig Markwardt on Fri, 29 June 2001 06:22

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