Smoothing

Meshes.smooth — Function

smooth(mesh, method)

Smooth mesh with given method.

Meshes.SmoothingMethod — Type

SmoothingMethod

A method for smoothing meshes.

Taubin

Meshes.TaubinSmoothing — Type

TaubinSmoothing(n; λ=0.5, μ=-0.5)

Perform n iterations of Taubin smoothing with parameters λ and μ.

References

Taubin, G. 1995. Curve and Surface Smoothing without Shrinkage

using PlyIO

# helper function to read *.ply files
function readply(fname)
  ply = load_ply(fname)
  x = ply["vertex"]["x"]
  y = ply["vertex"]["y"]
  z = ply["vertex"]["z"]
  points = Point3.(x, y, z)
  connec = [connect(Tuple(c.+1)) for c in ply["face"]["vertex_indices"]]
  SimpleMesh(points, connec)
end

# download mesh from the web
file = download(
  "https://raw.githubusercontent.com/juliohm/JuliaCon2021/master/data/beethoven.ply"
)

# read mesh from disk
mesh = readply(file)

# smooth mesh with 30 iterations
smesh = smooth(mesh, TaubinSmoothing(30))

fig = Mke.Figure(resolution = (800, 1200))
viz(fig[1,1], mesh)
viz(fig[2,1], smesh)
fig