def testLengthMeters(self):
p1 = Point(1, 0, 0).Normalize()
p2 = Point(0, 0.5, 0.5).Normalize()
p3 = Point(0.3, 0.8, 0.5).Normalize()
poly0 = Poly([p1])
poly1 = Poly([p1, p2])
poly2 = Poly([p1, p2, p3])
try:
poly0.LengthMeters()
self.fail("Should have thrown AssertionError")
except AssertionError:
pass
p1_p2 = p1.GetDistanceMeters(p2)
p2_p3 = p2.GetDistanceMeters(p3)
self.assertEqual(p1_p2, poly1.LengthMeters())
self.assertEqual(p1_p2 + p2_p3, poly2.LengthMeters())
self.assertEqual(p1_p2 + p2_p3, poly2.Reversed().LengthMeters())
def testReversed(self):
p1 = Point(1, 0, 0).Normalize()
p2 = Point(0, 0.5, 0.5).Normalize()
p3 = Point(0.3, 0.8, 0.5).Normalize()
poly1 = Poly([p1, p2, p3])
self.assertPointsApproxEq([p3, p2, p1], poly1.Reversed().GetPoints())
