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 CAD / Development / 1754
1753  |  1755
Subject: 
Re: Voting Comments
Newsgroups: 
lugnet.cad.dev
Date: 
Tue, 18 May 1999 08:31:02 GMT
Viewed: 
723 times
  
"John VanZwieten" <john_vanzwieten@msn.com> writes:

It's a good thing you spend so much effort to verify the parts!

2851: This may be getting a bit picky for this part, but where the
peg holes meet the rounded edge, this surface is modeled as flat,
rather than rounded.  As a result, the 1-4cyli.dats do not match up
to the 4-4cyli.dats.  This is mostly noticable in ldlite with shading
on.

It is probably a bad practice to use two 1-4cyli.dats on each side and
rotate them partially to make space for the peg hole, as I did.  A
better practice would probably be to inline two 2-4cyli.dat on each side
and then cut out the space required for the peghole.  This will make the
part render better in LDLITE with shading.  I can do that.

BUT: It will make the part look stupid in L3P->POV-Ray, because the
piston will consist of a cylindrical surface below and above the
pegholes, then a jagged surface in the middle, and even holes between
them.  This was what I wanted to avoid by using the partially rotated
1-4cyli.dats.

So what do you want?  Plague or cholera?  ;-)

2854: There are little gaps on either side of the "canyon" where the
axlehole is open on its side.  I think in the following lines, 3
should be replaced with 4.
  4 16 -1 -1 -10 -3 -1 -10 -3 -1 0 -1 -1 0
  4 16 -1 1 -10 -3 1 -10 -3 1 0 -1 1 0
  4 16 1 -1 10 3 -1 10 3 -1 0 1 -1 0
  4 16 1 1 10 3 1 10 3 1 0 1 1 0

Thanks for noticing this!  I haven't checked it out yet, but I will
check it out at home.  (I have a sizzling new computer at home, so I
don't have to sneak in at work at nights to model parts anymore.  I
finally got to finish off a few parts, too.  Look at the
lugnet.cad.dat.parts group.)

I had a really hard time verifying this part, but could not find any
problems with it.  I'm glad you did.  I'll fix it and send the
corrections to Terry K.

Fredrik



Message has 1 Reply:
  Re: Voting Comments
 
(...) You can minimize the jagged appearance by using a 1-8cyli.dat around the hole. This leaves the minimum amount of surface around the holes to be jagged in POV-Ray. And if you rotate all the primitives to center your 1-8cyli parts on the (...) (26 years ago, 18-May-99, to lugnet.cad.dev)

Message is in Reply To:
  Voting Comments  [DAT]
 
(...) It took me a while, but here are my comments on the current batch of voting parts. Since others have looked closely at the patterned baseplates, I ignored those. 2851: This may be getting a bit picky for this part, but where the peg holes meet (...) (26 years ago, 18-May-99, to lugnet.cad.dev)

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