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try:
from . import generic as g
except BaseException:
import generic as g
class FacetTest(g.unittest.TestCase):
def test_facet(self):
m = g.get_mesh("featuretype.STL")
assert len(m.facets) > 0
assert len(m.facets) == len(m.facets_boundary)
assert len(m.facets) == len(m.facets_normal)
assert len(m.facets) == len(m.facets_area)
assert len(m.facets) == len(m.facets_on_hull)
# this mesh should have 8 facets on the convex hull
assert m.facets_on_hull.astype(int).sum() == 8
def test_empty(self):
"""
An icosphere has no facets so make sure
everything returns empty.
"""
m = g.trimesh.creation.icosphere()
assert len(m.facets) == 0
assert len(m.facets) == len(m.facets_boundary)
assert len(m.facets) == len(m.facets_normal)
assert len(m.facets) == len(m.facets_area)
assert len(m.facets) == len(m.facets_on_hull)
if __name__ == "__main__":
g.trimesh.util.attach_to_log()
g.unittest.main()
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