Subject:
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Re: Voting Open for LCAD Parts Update 2000-01
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Newsgroups:
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lugnet.cad.dev, lugnet.cad.dev.org.ldraw
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Date:
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Thu, 20 Apr 2000 18:53:44 GMT
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Reply-To:
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rui.martins@NOMORESPAMlink.pt
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Viewed:
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1899 times
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On Wed, 19 Apr 2000, Steve Bliss wrote:
> In lugnet.cad.dev, Rui Martins wrote:
> > Maybe he meant something like:
> > http://is-sv.link.pt/~rmsm/lego/vote2000/overdraw2.png
> > or
> > http://is-sv.link.pt/~rmsm/lego/vote2000/overdraw3.png
> >
> > And as you can see, not more polygons, but actually less.
>
> Hmm. There's a couple of problems with your examples.
>
> In overdraw2.png, you are having the quad intersect the circle exactly
> at two vertices. If the quad was a bit narrower, you would need to
> split the two original triangles, retaining the part that is outside the
> quad, and inserting a new triangle for the inside.
I believe that's why I have drawn "overdraw3.png" ! ;)
> In overdraw3.png, the polygon which replaces the area of (Quad - Circle)
> is a pentagon. That needs to be split into a triangle and a quad.
Damn, I missed that one, but just need to split the pentagon into a quad and
a triangle.
> Once you take these two problems into account, you get more polys, not
> less.
As I said, the disc as only 8 slices to simplify, with the regular 16 you would
save polys, and I also said:
" As a rule of tumb, less points => less faces."
But Not always, expecially, if you end up with non-convex (complex) poly.
Also you could remove the center (point) of the disk for some extra savings !
But that seems too much.
> > Not a Rule, just a "guideline", authors are NOT obliged, but they are
> > encouraged to do it, because it's better.
>
> Too many obscure 'guidelines' will still discourage new parts authors.
I don't know why you call it "obscure", especially if the "guideline FAQ"
explanes the pros and Cons of this guidelines. If well written, I think it would
help, even if only to the way a "builder" creates the parts (there tesselation).
See ya
Rui Martins
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Message is in Reply To:
73 Messages in This Thread: ![Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (11-Apr-00 to lugnet.cad.dev, lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Fredrik Glöckner (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Fredrik Glöckner (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Thomas Burger (12-Apr-00 to lugnet.cad.dev)](/news/x.gif)
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![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (12-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Fredrik Glöckner (13-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (13-Apr-00 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (13-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Fredrik Glöckner (14-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (14-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Fredrik Glöckner (15-Apr-00 to lugnet.cad.dev)](/news/x.gif)
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![](/news/x.gif) ![](/news/268.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Chris Dee (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Steve Bliss (12-Apr-00 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Comments on parts up for vote- Pt 1 -John VanZwieten (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: Comments on parts up for vote- Pt 1 -Franklin W. Cain (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Comments on parts up for vote- Pt 1 -John VanZwieten (11-Apr-00 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: Comments on parts up for vote- Pt 1 -Steve Bliss (11-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Comments on parts up for vote- Pt 1 -Steve Bliss (12-Apr-00 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: Comments on parts up for vote- Pt 1 -Chris Dee (12-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: Comments on parts up for vote- Pt 1 -Chris Dee (13-Apr-00 to lugnet.cad.dev)](/news/x.gif)
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![](/news/x.gif) ![](/news/268.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Rui Manuel Silva Martins (12-Apr-00 to lugnet.cad.dev, lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Rui Manuel Silva Martins (12-Apr-00 to lugnet.cad.dev, lugnet.cad.dev.org.ldraw)](/news/x.gif)
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![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Imre Papp (13-Apr-00 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Rui Manuel Silva Martins (13-Apr-00 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Voting Open for LCAD Parts Update 2000-01 -Rui Manuel Silva Martins (18-Apr-00 to lugnet.cad.dev, lugnet.cad.dev.org.ldraw)](/news/x.gif)
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![](/news/x.gif) ![](/news/268.gif) ![Which submitted parts have been put on hold ? -Manfred Moolhuysen (18-Apr-00 to lugnet.cad.dev)](/news/x.gif)
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