Subject:
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RE: Sorting parts by location
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 28 Aug 2001 13:09:21 GMT
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Reply-To:
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<BRAM@PO.ihatespamCWRU.EDU>
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Viewed:
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1137 times
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Larry Pieniazek writes:
> If you have the formula for euclidian distance that would be
> great too. I am using the approximation of taking the X Y anx Z
> values and summing them. If the viewpoint is in the right place
> that's an excellent approximation.
If the viewpoint is at location (a,b,c) and the part is at (x,y,z), then the
distance between them is:
((a-x)^2 + (b-y)^2 + (c-z)^2)^0.5
Since all you want to do is sort, there's no need to take the square root
after summing the squares.
HTH,
--Bram
Bram Lambrecht
bram@cwru.edu
http://bldesign.org/
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Message is in Reply To:
 | | Re: Sorting parts by location
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| (...) Well I am sort of doing that right now, although not in perl. I chose to use my company's product, sort of as a learning exercise. If someone has perl code that recognises the various line types that would be spiffy. If you have the formula (...) (25 years ago, 28-Aug-01, to lugnet.cad)
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