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Re: point inside polygon [message #19182 is a reply to message #11519]

Mon, 06 March 2000 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Klaus Scipal (kscipal@ipf.tuwien.ac.at) writes:
> does anyone know of an algorithm which determines if a point lies in a
> polygon or not

Here is an article that describes one method. If this
doesn't work for you, let me know. People have sent me
other algorithms that I have around here someplace. :-(

http://www.dfanning.com/tips/point_in_polygon.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]

		point inside polygon By: Philippe Peeters on Tue, 31 March 1998 00:00
		Re: point inside polygon By: davidf on Mon, 06 March 2000 00:00
		Re: point inside polygon By: Randall Frank on Wed, 08 March 2000 00:00
		Re: point inside polygon By: Klaus Scipal on Mon, 06 March 2000 00:00
		Re: point inside polygon By: davidf on Mon, 06 March 2000 00:00

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