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 CAD / Development / 4373
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Subject: 
Re: Some Words To BFC
Newsgroups: 
lugnet.cad.dev
Date: 
Thu, 6 Apr 2000 13:24:21 GMT
Viewed: 
2239 times
  
Rui Martins wrote:

Well this is exactly what I have been researching for a month now ! and believe
me to be able to correct files 100% is almost impossible, due to the way the
files are built.

  I agree that an automatic process might not always work 100% but it
can make parts almost perfect and with only a small effort you'll be
able to completely fix them.

Which method are you using.

I have researched (Odd/Even), (BSP) and (Winged Edge). There is also the brute
force method of supersampling raycasting, but this one is a NO GO.

  I think I'm using what you call odd/even, I cast a ray from the center
of each face to both directions and check the number of faces hit. If it
can't determine the correct orientation (hit the same number of faces
from both sides) that I try again from other points in the face.

Leonardo



Message has 1 Reply:
  Re: Some Words To BFC
 
(...) When do you actually stop, when you find the correct orientation ? or after a few fixed iterations ? Eventually you could end up with an infinite loop if you are not carefull. That method does NOT really garantees any correct results due to (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)

Message is in Reply To:
  Re: Some Words To BFC
 
(...) but it seams to be damaged, but I was able to get the ideia. (...) Well this is exactly what I have been researching for a month now ! and believe me to be able to correct files 100% is almost impossible, due to the way the files are built. (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)

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