Re: Point matching Re: Question about edges
 March 25, 2013 07:33PM LDraw Part Author Registered: 2 years agoPosts: 185
Hi Roland,

My speculation is that the relative weight of each face normal considered at a vertex V should be proportional to the angle of the triangle at V. So....
```A---B---E
|  /|  /|
| / | / |
|/  |/  |
C---D---F```

For the smoothing of vertex B (which is a blend of the normals of ABC, CBD, and BED) we would give ABC and CBD a weight of "45" each, and a weight of BED "90" - that is, BED's normal acts as much as ABC and CBD's combined.

cheers
Ben
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