| Re: Point within country boundary [message #87329 is a reply to message #87325] |
Fri, 24 January 2014 13:22   |
Phillip Bitzer
Messages: 223
Registered: June 2006
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Senior Member |
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On Friday, January 24, 2014 2:06:00 PM UTC-6, David Fanning wrote:
> Phillip Bitzer writes:
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>> I am curious - is the IDLanROIGroup method ContainsPoints more efficient than using the routine discussed below?
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>> http://www.idlcoyote.com/tips/point_in_polygon.html
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> Don't know the answer to that. I was, frankly, surprised to see the
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> method listed for IDLanROIGroup. If it is optimized, I would be even
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> more surprised. :-)
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> Cheers,
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> David
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> --
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> David Fanning, Ph.D.
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> Fanning Software Consulting, Inc.
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> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
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> Sepore ma de ni thue. ("Perhaps thou speakest truth.")
Well, I guess the question was more or less directed to Matt - since he has the data readily available for testing. I've tried to use ContainsPoints and found it was, um, slow. Inside was much faster, but I wonder if that's me or the routine. /me shrugs
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