Subject:
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Re: Why quads? Re: L(EGO)Draw parts - 4th batch
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Newsgroups:
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lugnet.cad.dev.org.ldraw
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Date:
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Wed, 22 Sep 2010 14:13:46 GMT
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26019 times
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> Did anybody ever did actually fix the parts though? I got about
> halfway through part 43721.dat before I lost focus. Meanwhile Philo
> introduced the Coverer tool which may have institutionalized the
> automatic generation of the problematic bumpy wedge surfaces. You can
> see the ugly sawtooth shading on the wedge parts in the documentation
> for the Coverer tool:
Sorry for that ;o) But (fortunately) here are very few twisted surfaces in LEGO
pieces, so I don't think my tool has created too much havoc...
>
> The problem is that the naive algorithm generates triangles where the
> joins between them alternate between slightly convex and slightly
> concave. I think perhaps we might need a warning for that tool to watch
> out for this. Or is it possible to fix the tool to follow the convex
> and concave saddle curves between the opposite corners instead? Maybe
> as an option?
Problem is that at this low level I have almost no information about the
intended geometry - I see only a bunch of connected lines.
Philo
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Message is in Reply To:
![](/news/x.gif) | | Re: Why quads? Re: L(EGO)Draw parts - 4th batch
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| (...) I see. So what you really want to do in LDView is ignore the Type 5 lines (at least for smoothing) and smooth wherever there's no Type 2 edge lines between the triangles (and quads). (...) Did anybody ever did actually fix the parts though? I (...) (14 years ago, 22-Sep-10, to lugnet.cad.dev.org.ldraw)
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21 Messages in This Thread: ![L(EGO)Draw parts - 4th batch -Willy Tschager (10-Sep-10 to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.cad.dat.parts, lugnet.announce)](/news/x.gif) ![](/news/246.gif) ![Re: L(EGO)Draw parts - 4th batch -Santeri Piippo (10-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: L(EGO)Draw parts - 4th batch -Philippe Hurbain (10-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: L(EGO)Draw parts - 4th batch -Joshua Delahunty (11-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: L(EGO)Draw parts - 4th batch -Santeri Piippo (10-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![Re: L(EGO)Draw parts - 4th batch -Santeri Piippo (10-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: L(EGO)Draw parts - 4th batch -Jonathan Wilson (11-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: L(EGO)Draw parts - 4th batch -Joshua Delahunty (11-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: L(EGO)Draw parts - 4th batch -Michael Heidemann (10-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: L(EGO)Draw parts - 4th batch -Reuben Pearse (11-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: L(EGO)Draw parts - 4th batch -Joshua Delahunty (15-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: L(EGO)Draw parts - 4th batch -Philippe Hurbain (16-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Why quads? Re: L(EGO)Draw parts - 4th batch -Timothy Gould (16-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Philippe Hurbain (17-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Travis Cobbs (17-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Don Heyse (18-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Travis Cobbs (21-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Don Heyse (22-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Travis Cobbs (23-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif) ![](/news/46.gif) ![Re: Why quads? Re: L(EGO)Draw parts - 4th batch -Don Heyse (23-Sep-10 to lugnet.cad.dev.org.ldraw)](/news/x.gif)
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