Subject:
|
Re: Why quads? Re: L(EGO)Draw parts - 4th batch
|
Newsgroups:
|
lugnet.cad.dev.org.ldraw
|
Date:
|
Wed, 22 Sep 2010 14:13:46 GMT
|
Viewed:
|
42654 times
|
| |
|
|
> 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
|
|
Message is in Reply To:
 | | Re: Why quads? Re: L(EGO)Draw parts - 4th batch
|
| (...) 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 (...) (16 years ago, 22-Sep-10, to lugnet.cad.dev.org.ldraw)
|
21 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
