def test_to_from_stl_ascii():
"""Test from_stl method with an ascii STL file."""
file_path = 'tests/stl/cube_ascii.stl'
mesh = Mesh3D.from_stl(file_path)
centroids = [
Point3D(3.33, 0.00, 1.67),
Point3D(1.67, 0.00, 3.33),
Point3D(5.00, 3.33, 1.67),
Point3D(5.00, 1.67, 3.33),
Point3D(1.67, 5.00, 1.67),
Point3D(3.33, 5.00, 3.33),
Point3D(0.00, 1.67, 1.67),
Point3D(0.00, 3.33, 3.33),
Point3D(1.67, 1.67, 0.00),
Point3D(3.33, 3.33, 0.00),
Point3D(1.67, 1.67, 5.00),
Point3D(3.33, 3.33, 5.00),
Point3D(3.33, 0.00, 1.67)
]
for count, cent in enumerate(mesh.face_centroids):
assert cent.distance_to_point(centroids[count]) <= 0.01
new_folder, new_name = 'tests/stl/', 'cube_ascii_new.stl'
new_file = mesh.to_stl(new_folder, new_name)
assert os.path.isfile(new_file)
Mesh3D.from_stl(new_file)
os.remove(new_file)
def test_from_stl_binary():
"""Test from_stl method with a binary STL file."""
file_path = 'tests/stl/cube_binary.stl'
mesh = Mesh3D.from_stl(file_path)
centroids = [
Point3D(3.33, 0.00, 1.67),
Point3D(1.67, 0.00, 3.33),
Point3D(5.00, 3.33, 1.67),
Point3D(5.00, 1.67, 3.33),
Point3D(1.67, 5.00, 1.67),
Point3D(3.33, 5.00, 3.33),
Point3D(0.00, 1.67, 1.67),
Point3D(0.00, 3.33, 3.33),
Point3D(1.67, 1.67, 0.00),
Point3D(3.33, 3.33, 0.00),
Point3D(1.67, 1.67, 5.00),
Point3D(3.33, 3.33, 5.00)
]
for count, cent in enumerate(mesh.face_centroids):
assert cent.distance_to_point(centroids[count]) <= 0.01
