class TestGeometryProj(unittest.TestCase):
def setUp(self):
self.vancouver = Point((-123.1, 49.25), crs=LonLatWGS84)
self.ottawa = Point((-75.69, 45.42), crs=LonLatWGS84)
self.whitehorse = Point((-135.05, 60.72), crs=LonLatWGS84)
return
def test_greatcircle(self):
d1 = self.vancouver.distance(self.ottawa)
d2 = self.vancouver.distance(self.whitehorse)
d3 = self.whitehorse.distance(self.ottawa)
d4 = self.whitehorse.distance(self.vancouver)
self.assertAlmostEqual(d1, 3549030.70541, places=5)
self.assertAlmostEqual(d2, 1483327.53922, places=5)
self.assertAlmostEqual(d3, 4151366.88185, places=5)
self.assertAlmostEqual(d4, 1483327.53922, places=5)
return
def test_greatcircle_projected(self):
van = Point(self.vancouver.vertex(GallPetersEqualArea),
crs=GallPetersEqualArea)
whi = Point(self.whitehorse.vertex(GallPetersEqualArea),
crs=GallPetersEqualArea)
ott = Point(self.ottawa.vertex(GallPetersEqualArea),
crs=GallPetersEqualArea)
d1 = van.distance(ott, projected=False)
d2 = van.distance(whi, projected=False)
d3 = whi.distance(ott, projected=False)
d4 = whi.distance(van, projected=False)
self.assertAlmostEqual(d1, 3549030.70541, places=3)
self.assertAlmostEqual(d2, 1483327.53922, places=3)
self.assertAlmostEqual(d3, 4151366.88185, places=3)
self.assertAlmostEqual(d4, 1483327.53922, places=3)
return
def test_azimuth_lonlat(self):
""" Verify with
echo "49.25dN 123.1dW 45.42dW 75.69dW" | invgeod +ellps=WGS84 -f "%.6f"
"""
az1 = self.vancouver.azimuth(self.ottawa)
az2 = self.vancouver.azimuth(self.whitehorse)
self.assertAlmostEqual(az1, 78.483344, places=6)
self.assertAlmostEqual(az2, -26.135827, places=6)
return
def test_walk_lonlat(self):
start = Point((-132.14, 54.01), crs=LonLatWGS84)
dest = start.walk(5440.0, 106.8)
self.assertAlmostEqual(dest.x, -132.0605910876)
self.assertAlmostEqual(dest.y, 53.99584742821)
return
class TestGeometryProj(unittest.TestCase):
def setUp(self):
self.vancouver = Point((-123.1, 49.25), crs=LonLatWGS84)
self.ottawa = Point((-75.69, 45.42), crs=LonLatWGS84)
self.whitehorse = Point((-135.05, 60.72), crs=LonLatWGS84)
return
def test_greatcircle(self):
d1 = self.vancouver.distance(self.ottawa)
d2 = self.vancouver.distance(self.whitehorse)
d3 = self.whitehorse.distance(self.ottawa)
d4 = self.whitehorse.distance(self.vancouver)
self.assertAlmostEqual(d1, 3549030.70541, places=5)
self.assertAlmostEqual(d2, 1483327.53922, places=5)
self.assertAlmostEqual(d3, 4151366.88185, places=5)
self.assertAlmostEqual(d4, 1483327.53922, places=5)
return
def test_greatcircle_projected(self):
van = Point(self.vancouver.vertex(GallPetersEqualArea), crs=GallPetersEqualArea)
whi = Point(self.whitehorse.vertex(GallPetersEqualArea), crs=GallPetersEqualArea)
ott = Point(self.ottawa.vertex(GallPetersEqualArea), crs=GallPetersEqualArea)
d1 = van.distance(ott, projected=False)
d2 = van.distance(whi, projected=False)
d3 = whi.distance(ott, projected=False)
d4 = whi.distance(van, projected=False)
self.assertAlmostEqual(d1, 3549030.70541, places=3)
self.assertAlmostEqual(d2, 1483327.53922, places=3)
self.assertAlmostEqual(d3, 4151366.88185, places=3)
self.assertAlmostEqual(d4, 1483327.53922, places=3)
return
def test_azimuth_lonlat(self):
""" Verify with
echo "49.25dN 123.1dW 45.42dW 75.69dW" | invgeod +ellps=WGS84 -f "%.6f"
"""
az1 = self.vancouver.azimuth(self.ottawa)
az2 = self.vancouver.azimuth(self.whitehorse)
self.assertAlmostEqual(az1, 78.483344, places=6)
self.assertAlmostEqual(az2, -26.135827, places=6)
return
def test_walk_lonlat(self):
start = Point((-132.14, 54.01), crs=LonLatWGS84)
dest = start.walk(5440.0, 106.8)
self.assertAlmostEqual(dest.x, -132.0605910876)
self.assertAlmostEqual(dest.y, 53.99584742821)
return
def test_vertices_in_crs2(self):
point = Point((-123.0, 49.0), crs=LonLatWGS84)
BCAlbers = ProjectedCRS("+proj=aea +lat_1=50 +lat_2=58.5 +lat_0=45 "
"+lon_0=-126 +x_0=1000000 +y_0=0 +ellps=GRS80 +datum=NAD83 "
"+units=m +no_defs", "BC Albers")
self.assertTupleAlmostEqual(point.vertex(BCAlbers),
(1219731.770879303, 447290.49891930853))
return
def test_vertices_in_crs2(self):
point = Point((-123.0, 49.0), crs=LonLatWGS84)
BCAlbers = ProjectedCRS(
"+proj=aea +lat_1=50 +lat_2=58.5 +lat_0=45 "
"+lon_0=-126 +x_0=1000000 +y_0=0 +ellps=GRS80 +datum=NAD83 "
"+units=m +no_defs", "BC Albers")
self.assertTupleAlmostEqual(point.vertex(BCAlbers),
(1219731.770879303, 447290.49891930853))
return
def test_vertices_in_crs(self):
point = Point((-123.0, 49.0), crs=SphericalEarth)
self.assertEqual(point.vertex(SphericalEarth), (-123.0, 49.0))
def test_point_vertex(self):
point = Point((1.0, 2.0, 3.0))
self.assertEqual(point.vertex(), (1.0, 2.0, 3.0))
return
def test_vertices_in_crs(self):
point = Point((-123.0, 49.0), crs=SphericalEarth)
self.assertEqual(point.vertex(SphericalEarth), (-123.0, 49.0))
def test_point_vertex(self):
point = Point((1.0, 2.0, 3.0))
self.assertEqual(point.vertex(), (1.0, 2.0, 3.0))
return
