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try:
from . import generic as g
except BaseException:
import generic as g
class MargeTest(g.unittest.TestCase):
def test_cube(self):
"""
Test PointCloud object
"""
m = g.trimesh.creation.box()
assert m.vertices.shape == (8, 3)
assert m.is_volume
assert m.euler_number == 2
# stack a bunch of unreferenced vertices
m.vertices = g.np.vstack((m.vertices, g.random((10000, 3))))
assert m.euler_number == 2
assert m.vertices.shape == (10008, 3)
assert m.referenced_vertices.sum() == 8
copied = m.copy()
# should remove unreferenced vertices
m.merge_vertices()
assert len(m.vertices) == 8
assert m.is_volume
assert m.euler_number == 2
assert m.referenced_vertices.sum() == 8
m.update_vertices(m.referenced_vertices)
assert len(m.vertices) == 8
assert m.is_volume
assert m.euler_number == 2
assert m.referenced_vertices.sum() == 8
# check the copy with an int mask and see if inverse is created
assert copied.referenced_vertices.sum() == 8
assert copied.vertices.shape == (10008, 3)
mask = g.np.nonzero(copied.referenced_vertices)[0]
copied.update_vertices(mask)
assert len(copied.vertices) == 8
assert copied.is_volume
assert copied.euler_number == 2
assert copied.referenced_vertices.sum() == 8
if __name__ == "__main__":
g.trimesh.util.attach_to_log()
g.unittest.main()
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