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Subject: 
RE: Sorting parts by location
Newsgroups: 
lugnet.cad
Date: 
Tue, 28 Aug 2001 13:09:21 GMT
Reply-To: 
<bram@po&SayNoToSpam&.cwru.edu>
Viewed: 
470 times
  
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/



Message is in Reply To:
  Re: Sorting parts by location
 
(...) 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 (...) (23 years ago, 28-Aug-01, to lugnet.cad)

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