def test_intersection(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (5.0, -5.0)
p4 = (5.0, 5.0)
self.assertEqual(GeometryTools.lineIntersection(p1, p2, p3, p4), (5.0, 0.0))
p5 = (0.0, 5.0)
self.assertEqual(GeometryTools.lineIntersection(p1, p2, p3, p5), (2.5, 0))
self.assertEqual(GeometryTools.lineIntersection((0.0, 0.0), (1.0, 1.0), (0.0, 1.0), (1.0, 0.0)), (0.5, 0.5))
def test_intersection_outside_segments(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (-1.0, -1.0)
p4 = (-1.0, 1.0)
self.assertIsNone(GeometryTools.lineIntersection(p1, p2, p3, p4))
def test_parallel(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (0.0, 1.0)
p4 = (10.0, 1.0)
self.assertIsNone(GeometryTools.lineIntersection(p1, p2, p3, p4))
def test_intersection(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (5.0, -5.0)
p4 = (5.0, 5.0)
self.assertEqual(GeometryTools.lineIntersection(p1, p2, p3, p4),
(5.0, 0.0))
p5 = (0.0, 5.0)
self.assertEqual(GeometryTools.lineIntersection(p1, p2, p3, p5),
(2.5, 0))
self.assertEqual(
GeometryTools.lineIntersection((0.0, 0.0), (1.0, 1.0), (0.0, 1.0),
(1.0, 0.0)), (0.5, 0.5))
def test_intersection_outside_segments(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (-1.0, -1.0)
p4 = (-1.0, 1.0)
self.assertIsNone(GeometryTools.lineIntersection(p1, p2, p3, p4))
def test_parallel(self):
p1 = (0.0, 0.0)
p2 = (10.0, 0.0)
p3 = (0.0, 1.0)
p4 = (10.0, 1.0)
self.assertIsNone(GeometryTools.lineIntersection(p1, p2, p3, p4))
def test_coincident(self):
p1 = (0.0, 0.0)
p2 = (10.0, 10.0)
self.assertIsNone(GeometryTools.lineIntersection(p1, p2, p1, p2))
def test_coincident(self):
p1 = (0.0, 0.0)
p2 = (10.0, 10.0)
self.assertIsNone( GeometryTools.lineIntersection(p1, p2, p1, p2) )