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try:
from . import generic as g
except BaseException:
import generic as g
class OpTest(g.unittest.TestCase):
def test_add(self):
# make sure different concatenation results return the same
m = [g.trimesh.creation.box().apply_translation(v) for v in 2.0 * g.np.eye(3)]
assert g.np.isclose(sum(m).volume, 3.0)
assert g.np.isclose(g.np.sum(m).volume, 3.0)
assert g.np.isclose((m[0] + m[1] + m[2]).volume, 3.0)
assert g.np.isclose(g.trimesh.util.concatenate(m).volume, 3.0)
p = g.get_mesh("2D/wrench.dxf")
m = [p.copy().apply_translation(v) for v in p.extents.max() * 2.0 * g.np.eye(2)]
m.append(p)
area = 3.0 * p.area
assert g.np.isclose(sum(m).area, area)
assert g.np.isclose(g.np.sum(m).area, area)
assert g.np.isclose((m[0] + m[1] + m[2]).area, area)
assert g.np.isclose(g.trimesh.path.util.concatenate(m).area, area)
if __name__ == "__main__":
g.trimesh.util.attach_to_log()
g.unittest.main()
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