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Old 01-08-2013, 08:11 AM   #1
A newbie
zoharl's Avatar
Wellington, New Zealand
Join Date: Mar 2009
Posts: 1,825
Copy topology


I guess I need code for this, but I'll ask anyway.

1. I have three meshes P, Q, and T.
2. Q has the same topology as P, but has a different shape (some deformation of P).
3. T has the same shape as P, but has different topology (different number of vertices and faces), i.e. different topologies of the same surface.

I'd like to copy the topology from T to Q. Or put otherwise, I'd like to deform T, such points on the surface of T that have the same coordinates as vertices of P would go to a new position of corresponding vertices in Q, and the rest of the vertices of T would interpolate smoothly.

Maybe I could parametrize T and P by spatial position, parametrize Q the same as P (copy UV by vertex order), and then transfer vertex positions from Q to T.
Old 01-08-2013, 09:21 AM   #2
nookie's Avatar
Luca Fiorentini
Lighting Artist
Lucasfilm Animation
Singapore, Singapore
Join Date: Jan 2004
Posts: 367
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"Closest point on mesh" should help you if I understand what you are trying to achieve.
You can also use a Shrink Warp approach (
Old 01-08-2013, 10:57 AM   #3
A newbie
zoharl's Avatar
Wellington, New Zealand
Join Date: Mar 2009
Posts: 1,825
It worked with the mesh transfer attributes.
Old 01-08-2013, 10:57 AM   #4
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