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Subject: 
Re: Performance Improvement
Newsgroups: 
lugnet.cad.dev
Date: 
Wed, 5 Apr 2000 14:04:31 GMT
Reply-To: 
{rui.martins@link.}Spamless{pt}
Viewed: 
6594 times
  
On Wed, 5 Apr 2000, John VanZwieten wrote:
> Rui Martins <Rui.Martins@link.pt> wrote in message
> news:Pine.GSU.4.10.10004051352500.16816-100000@is-sv...
> > Since the BFC discussion has everything to do with performance improvement,
> > I would like to propose the following changes to the primitives:
> > 
> > -  4-4disc.dat
> > -  2-4disc.dat
> > 
> > Remove the point which lies in position (0,0,0), because it's NOT required • and
> > it adds significant overhead processing (every stud has an extra NOT
> > required point)
> > 
> > The primitives can still be constructed with triangles, just remove the • point
> > (0,0,0) and remake the triangles in a fan like manner.
> 
> 
> I don't see a problem with doing this for the 4-4disc, but it would be a
> problem for the 2-4disc.  The 2-4disc is often used in conjuction with a
> 1-4disc

In this case you should be using 3-4disc.dat (rotate it if necessary).

> or 1-8disc.

Maybe for this case there should be a "5-8disc.dat"
But that would probably mean changes to already made parts.

>  The 2-4disc needs that center point to match up exactly
> to the 1-4 and 1-8disc.  Otherwise you get gaps when viewing from some
> angles.

This is what is generally called a T junction, which must be avoided at all
cost. But I'm sad to say that currently a lot of parts have this problem.

See ya

Rui Martins



Message has 1 Reply:
  Re: Performance Improvement
 
Rui, I think that it's better to keep the 4-4disc and 2-4disc files the way they are. The current configuration is more flexible, requires fewer special-size primitives, and is less likely to be mis-applied. The new proposal would only provide a (...) (26 years ago, 5-Apr-00, to lugnet.cad.dev)

Message is in Reply To:
  Re: Performance Improvement
 
Rui Martins <Rui.Martins@link.pt> wrote in message news:Pine.GSU.4.10.1...0@is-sv... (...) and (...) point (...) I don't see a problem with doing this for the 4-4disc, but it would be a problem for the 2-4disc. The 2-4disc is often used in (...) (26 years ago, 5-Apr-00, to lugnet.cad.dev)

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