Trimesh Remesh

../_images/example-trimesh-remesh.png 
name: example-trimesh-remesh
channels:
  - conda-forge
dependencies:
  - python>=3.6
  - pip>=19.0
  - compas>=1.0
  - compas_cgal
  - compas_view2

import compas
from math import radians
from compas.datastructures import Mesh
from compas.geometry import Point, Rotation, Scale, Translation, Box
from compas.geometry import trimesh_remesh

from compas_view2.app import App

# ==============================================================================
# Get Bunny
# ==============================================================================

before = Mesh.from_ply(compas.get_bunny())

# ==============================================================================
# Clean up
# ==============================================================================

before.cull_vertices()

# ==============================================================================
# Transform
# ==============================================================================

T = Translation.from_vector(Point(0, 0, 0) - Point(* before.centroid()))
S = Scale.from_factors([100, 100, 100])
R = Rotation.from_axis_and_angle([1, 0, 0], radians(90))

before.transform(R * S * T)

# ==============================================================================
# Remesh
# ==============================================================================

L = sum(before.edge_length(*edge) for edge in before.edges()) / before.number_of_edges()

V, F = trimesh_remesh(before.to_vertices_and_faces(), 3 * L)
after = Mesh.from_vertices_and_faces(V, F)

# ==============================================================================
# Viz
# ==============================================================================

viewer = App()

box = Box.from_bounding_box(before.bounding_box())
dx = 1.5 * box.xsize

viewer.add(before)
viewer.add(after.transformed(Translation.from_vector([dx, 0, 0])))
viewer.run()