def test_projection_and_angle(self):
"Test re-projecting existing point"
geo1 = Coordinates(13.41, 52.525)
geo2 = Coordinates(13.414, 52.525)
dist = distance(geo1, geo2)
angle = bearing(geo1, geo2)
geo3 = extrapolate(geo1, dist, angle)
self.assertAlmostEqual(geo2.lon, geo3.lon)
self.assertAlmostEqual(geo2.lat, geo3.lat)
def test_bearingscore_4(self):
"Test bearing difference of -90°"
node1 = DummyNode(Coordinates(0.0, 0.0))
node2 = DummyNode(Coordinates(0.0, 90.0))
node3 = DummyNode(Coordinates(-1.0, 0.0))
wanted_bearing = degrees(bearing(node1.coordinates, node2.coordinates))
wanted = LocationReferencePoint(13.416, 52.525, FRC.FRC2,
FOW.SINGLE_CARRIAGEWAY, wanted_bearing,
None, None)
line = DummyLine(1, node1, node3)
score = score_bearing(wanted, PointOnLine(line, 1.0), True,
self.config.bear_dist)
self.assertAlmostEqual(score, 0.5)
def test_bearingscore_5(self):
"Test perfect/worst possible bearing"
node1 = DummyNode(Coordinates(1.0, 0.0))
node2 = DummyNode(Coordinates(0.0, 0.0))
wanted_bearing = degrees(bearing(node1.coordinates, node2.coordinates))
wanted = LocationReferencePoint(13.416, 52.525, FRC.FRC2,
FOW.SINGLE_CARRIAGEWAY, wanted_bearing,
None, None)
line = DummyLine(1, node1, node2)
score = score_bearing(wanted, PointOnLine(line, 0.0), False,
self.config.bear_dist)
self.assertAlmostEqual(score, 1.0)
score = score_bearing(wanted, PointOnLine(line, 1.0), True,
self.config.bear_dist)
self.assertAlmostEqual(score, 0.0)
def test_bearing_90_2(self):
"Test bearing function where it should be 90°"
geo1 = Coordinates(-1.0, 0.0)
geo2 = Coordinates(-2.0, 0.0)
bear = bearing(geo1, geo2)
self.assertEqual(bear, -pi / 2)
def test_bearing_180(self):
"Test bearing function where it should be 180°"
geo1 = Coordinates(0.0, -10.0)
geo2 = Coordinates(0.0, -20.0)
bear = bearing(geo1, geo2)
self.assertEqual(bear, pi)
def test_bearing_zero(self):
"Test bearing function where it should be zero"
geo1 = Coordinates(0.0, 10.0)
geo2 = Coordinates(0.0, 20.0)
bear = bearing(geo1, geo2)
self.assertEqual(bear, 0.0)
