Subject:
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Re: The use of type 5 lines for smoothing of objects.
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 8 May 2002 16:28:49 GMT
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Viewed:
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452 times
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In lugnet.cad.dev, Martijn Zwaal writes:
> I have a demo running now and it works. Things look smooth now without
> primitive substitution. Everything with optional lines can be smoothed this
> way. The only problem is that hollow parts of objects are not equipped with
> optional lines. So in my demo the outside of a minifig hand is smooth but
> the inside not. That is because the original idea of the optional line was
> to draw a black line around an object. In the future optional lines may be
> used to indicate where a model has a smooth edge.
One thing that someone noted (I think it was Don Heyse) when I mentioned
this was that it might be possible to instead check for the lack of type 2
lines of color 24 between two adjoining faces, and use this as an indicator
that the two faces should be smooth shaded. This would solve the problem on
the inside of the minifig hand, but it may produce smooth shading in places
where it is undesirable. Most of these could probably be avoided by having
a maximum difference in angle between the two faces. On the other hand, I
think your algorithm would be MUCH easier to implement.
--Travis Cobbs (tcobbs@REMOVE.halibut.com)
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Message has 1 Reply:
 | | Re: The use of type 5 lines for smoothing of objects.
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| (...) indicator (...) on (...) places (...) having (...) This looks indeed like a more general way to do it. A big problem however will be complex patterns on a face, like on a shield. There will be a lot useless checking, because for every edge in (...) (22 years ago, 8-May-02, to lugnet.cad.dev)
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Message is in Reply To:
| | The use of type 5 lines for smoothing of objects.
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| Hello people, this is my first post. A few weeks ago I mailed with Travis Cobbs and Lars Hassing about an algorithm I constructed to make objects look smoother. This can be done by using per vertex normals and smooth shading. The normals can be (...) (22 years ago, 8-May-02, to lugnet.cad.dev)
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