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- """Set a loop of random points on a sphere
- to cut a region of the mesh"""
- from vedo import *
- # This affects how colors are interpolated between points
- settings.interpolate_scalars_before_mapping = True
- s = Sphere()
- s.color("white").alpha(0.25).backface_culling()
- s.pointdata['myscalars'] = s.coordinates[:,1]
- print(s)
- # Pick a few points on the sphere
- sv = s.points[[10, 15, 129, 165]]
- pts = Points(sv).ps(12)
- # Cut the loop region identified by the points
- scut = s.clone().cut_with_point_loop(sv, invert=False).scale(1.01)
- scut.cmap("Paired", "myscalars").alpha(1).add_scalarbar()
- print(scut)
- show(s, pts, scut, __doc__, axes=1, viewup="z")
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