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a versatile halfedge data structure for representing and manipulating polygon meshes

Project description

OpenMesh Python Bindings

OpenMesh Python bindings implemented with pybind11 that are tightly integrated with numpy.

Example

import openmesh as om
import numpy as np

mesh = om.TriMesh()

# add a a couple of vertices to the mesh
vh0 = mesh.add_vertex([0, 1, 0])
vh1 = mesh.add_vertex([1, 0, 0])
vh2 = mesh.add_vertex([2, 1, 0])
vh3 = mesh.add_vertex([0,-1, 0])
vh4 = mesh.add_vertex([2,-1, 0])

# add a couple of faces to the mesh
fh0 = mesh.add_face(vh0, vh1, vh2)
fh1 = mesh.add_face(vh1, vh3, vh4)
fh2 = mesh.add_face(vh0, vh3, vh1)

# add another face to the mesh, this time using a list
vh_list = [vh2, vh1, vh4]
fh3 = mesh.add_face(vh_list)

#  0 ==== 2
#  |\  0 /|
#  | \  / |
#  |2  1 3|
#  | /  \ |
#  |/  1 \|
#  3 ==== 4

# get the point with vertex handle vh0
point = mesh.point(vh0)

# get all points of the mesh
point_array = mesh.points()

# translate the mesh along the x-axis
point_array += np.array([1, 0, 0])

# write and read meshes
om.write_mesh('test.off', mesh)
mesh_2 = om.read_trimesh('test_off')

For further examples see the documentation or refer to the unit tests.

Installation

Using pip

pip install openmesh

Prebuilt Binaries

We provide prebuilt wheels for manual installation with pip for the following configurations:

Linux

macOS 10.13

Windows

Building from source

  1. recursively clone the repo
  2. cd to repo dir
  3. pip install -e . (or pip install -e . --user if you are not root or in a virtualenv)

Project details


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