return [x, y, z]
# ==============================================================================
# Main
# ==============================================================================
if __name__ == "__main__":
from compas.plotters import Plotter
from compas.geometry import intersection_line_line
from compas.geometry import midpoint_point_point
from compas.geometry import centroid_points
from compas.geometry import Polyhedron
polyhedron = Polyhedron.generate(6)
print(centroid_polyhedron(polyhedron))
vertices = [[1.0, 1.0, 2.0], [0.0, 0.0, 0.0], [1.0, 0.0, 2.0],
[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [1.0, 1.0, 0.0],
[0.0, 1.0, 1.0], [0.0, 0.0, 1.0]]
faces = [[4, 6, 7, 1], [5, 0, 6, 4], [4, 1, 3, 5], [3, 2, 0, 5],
[1, 7, 2, 3], [6, 0, 2, 7]]
faces[:] = [face[::-1] for face in faces]
polyhedron = Polyhedron.from_vertices_and_faces(vertices, faces)
print(centroid_polyhedron(polyhedron))
@pytest.mark.parametrize(("points"),
[
[[0.0, 0.0, 0.0], [0.0, 0.0]],
[[0.0, 0.0]],
]
)
def test_centroid_points_fails_when_input_is_not_complete_points(points):
with pytest.raises(ValueError):
centroid_points(points)
@pytest.mark.parametrize(("polyhedron", "centroid"),
[
(Polyhedron.generate(6), [0.0, 0.0, 0.0]),
]
)
def test_centroid_polyhedron(polyhedron, centroid):
x, y, z = centroid
assert centroid_polyhedron(polyhedron) == [pytest.approx(x, 0.001), pytest.approx(y, 0.001), pytest.approx(z, 0.001)]
# ==============================================================================
# size
# ==============================================================================
@pytest.mark.parametrize(("polyhedron", "volume"),
[
(Polyhedron.generate(6), None)
self.clear_faces()
self.clear_edges()
# ==============================================================================
# Main
# ==============================================================================
if __name__ == "__main__":
from compas.datastructures import Mesh
from compas.geometry import Polyhedron
from compas_rhino.helpers.artists.meshartist import MeshArtist
poly = Polyhedron.generate(12)
mesh = Mesh.from_vertices_and_faces(poly.vertices, poly.faces)
artist = MeshArtist(mesh, layer='MeshArtist')
artist.clear_layer()
artist.draw_vertices()
artist.redraw(0.0)
artist.draw_vertexlabels()
artist.redraw(1.0)
artist.draw_faces()
artist.redraw(1.0)
ab = subtract_vectors(b, a)
ac = subtract_vectors(c, a)
n = cross_vectors(ab, ac)
V += dot_vectors(a, n)
return V / 6.
# ==============================================================================
# Main
# ==============================================================================
if __name__ == "__main__":
from compas.geometry import Polyhedron
cube = Polyhedron.generate(6)
L = length_vector(subtract_vectors(cube.vertices[0], cube.vertices[1]))
V1 = L * L * L
V2 = volume_polyhedron(cube)
print(V1 - V2 <= 1e-6)
# plotter = Plotter(figsize=(10, 7))
# polygon = [
# [0, 0, 0],
# [1.0, 0, 0],
# [1.0, 1.0, 0],
# [0.5, 0.0, 0],