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import pytest
import meshplex
def test_gh126():
"""https://github.com/nschloe/meshplex/issues/126"""
cells = [[1, 2, 0], [2, 3, 0], [3, 1, 0]]
points = [
[4.3000283, 8.57424769, 0.010431],
[4.2568793, 8.41702649, 0.0],
[4.2864766, 8.56681008, 0.0],
[4.2897457, 8.58639357, 0.0],
]
mesh = meshplex.MeshTri(points, cells)
with pytest.warns(UserWarning):
mesh.flip_until_delaunay()
# this failed in a previous version because there were edges with more than two
# cells after the flip
mesh.create_facets()
def test_gh130():
"""https://github.com/nschloe/meshplex/issues/130"""
points = [
[0.0, 0.0, 0.0],
[0.5, 0.5, 0.0],
[1.0, 0.9, 1.0],
[1.0, 1.1, 1.0],
[1.0, 0.7, 1.0],
[1.0, 0.7, 0.0],
]
cells = [[2, 0, 1], [2, 3, 0], [4, 0, 3], [4, 3, 5], [2, 5, 3]]
mesh = meshplex.MeshTri(points, cells)
with pytest.warns(UserWarning):
mesh.flip_until_delaunay(max_steps=1)
# this failed in a previous version because there were edges with more than two
# cells after the flip
mesh.create_facets()
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