def testLatLon(self, module, Sph=False, Nv=True): # MCCABE 45
self.subtitle(module, 'LatLon')
LatLon = module.LatLon
# basic LatLon class tests
p = LatLon(52.20472, 0.14056)
self.test('isEllipsoidal', p.isEllipsoidal, not Sph)
self.test('isSpherical', p.isSpherical, Sph)
self.test('lat/lonDMS', p,
'52.20472°N, 000.14056°E') # 52.20472°N, 000.14056°E
self.test('lat/lonDMS F_DM', p.toStr(F_DM, 3),
'''52°12.283'N, 000°08.434'E''')
self.test('lat/lonDMS F_DM', p.toStr(F_DM, 4),
'''52°12.2832'N, 000°08.4336'E''')
self.test('lat/lonDMS F_DMS', p.toStr(F_DMS, 0),
'''52°12'17"N, 000°08'26"E''')
self.test('lat/lonDMS F_DMS', p.toStr(F_DMS, 1),
'''52°12'17.0"N, 000°08'26.0"E''')
self.test('lat/lonDMS F_RAD', p.toStr(F_RAD, 6),
'0.911144N, 0.002453E')
q = LatLon(*map(degrees, p.philam))
self.test('isequalTo', q.isequalTo(p), True)
q = LatLon(*map(degrees, p.to2ab()))
self.test('isequalTo', q.isequalTo(p), True)
self.test('latlon2', fStr(q.latlon2(5)), '52.20472, 0.14056')
self.test('latlon2', fStr(q.latlon2(4)), '52.2047, 0.1406')
self.test('latlon2', fStr(q.latlon2(3)), '52.205, 0.141')
self.test('latlon2', fStr(q.latlon2(2)), '52.2, 0.14')
self.test('latlon2', fStr(q.latlon2(1)), '52.2, 0.1')
self.test('latlon2', fStr(q.latlon2()), '52.0, 0.0')
FRA = LatLon(50.0379, 8.5622)
LHR = LatLon(51.47, 0.4543)
# <https://www.EdWilliams.org/avform.htm#XTE>
JFK = LatLon(degrees(0.709186), -degrees(1.287762))
LAX = LatLon(33. + 57. / 60, -(118. + 24. / 60))
Rav = m2NM(6366710) # avg. earth radius in NM
# <https://GeographicLib.SourceForge.io/html/python/examples.html>
WNZ = LatLon(-41.32, 174.81, name='Wellington, NZ')
SAL = LatLon(40.96, -5.50, name='Salamanca, ES')
BJS = LatLon(40.1, 116.6) # Beijing Airport
SFO = LatLon(37.6, -122.4) # San Francisco
p = LatLon(52.205, 0.119)
q = LatLon(48.857, 2.351)
self.test('isequalTo', p.isequalTo(q), False)
a = p.antipode()
self.test('antipode1', a, '52.205°S, 179.881°W')
self.test('antipode2', a.isantipodeTo(p), True)
b = a.antipode()
self.test('antipode3', b, '52.205°N, 000.119°E')
self.test('antipode4', a.isantipodeTo(b), True)
self.test('antipode5', b, p)
if hasattr(LatLon, 'initialBearingTo'):
b = p.initialBearingTo(q)
self.test('initialBearingTo',
b,
156.1666 if Sph else 156.1106,
fmt='%.4f') # 156.2
b = p.finalBearingTo(q)
self.test('finalBearingTo',
b,
157.8904 if Sph else 157.8345,
fmt='%.4f')
b = LAX.initialBearingTo(JFK)
self.test('initialBearingTo',
b,
65.8921 if Sph else 65.9335,
fmt='%.4f') # PYCHOK test attr?
b = LAX.finalBearingTo(JFK)
self.test('finalBearingTo',
b,
93.8581 if Sph else 93.9034,
fmt='%.4f') # PYCHOK test attr?
if hasattr(LatLon, 'bearingTo2'):
b = p.bearingTo2(q)
self.test(
'bearingTo2', fStr(b, prec=4),
'156.1666, 157.8904' if Sph else '156.1106, 157.8345') # 156.2
# <https://blog.Element84.com/determining-if-a-spherical-polygon-contains-a-pole.html>
b = LatLon(85, -135), LatLon(85, -45), LatLon(85, 45), LatLon(
85, 135), LatLon(85, -135)
self.test('ispolar', ispolar(b), True) # PYCHOK test attr?
c = p.copy()
self.test('copy', p.isequalTo(c), True)
self.test('__eq__', p == c, True)
self.test('__ne__', p != c, False)
d = p.equirectangularTo(q)
self.test('equirectangularTo', d, '404329.56', fmt='%.2f')
if hasattr(LatLon, 'distanceTo'):
d = p.distanceTo(q)
self.test('distanceTo',
d,
'404279.720589' if Sph else
('404279.720589' if Nv else '404607.805988'),
fmt='%.6f') # 404300
d = q.distanceTo(p)
self.test('distanceTo',
d,
'404279.720589' if Sph else
('404279.720589' if Nv else '404607.805988'),
fmt='%.6f') # 404300
d = LAX.distanceTo(JFK,
radius=R_NM) if Sph else LAX.distanceTo(JFK)
self.test('distanceTo',
d,
2145 if Sph else (3972863 if Nv else 3981601),
fmt='%.0f') # PYCHOK test attr?
if not Nv: # <https://GeographicLib.SourceForge.io/html/python/examples.html>
self.test('antipodal', WNZ.isantipodeTo(SAL, eps=0.1), False)
try:
d = WNZ.distanceTo(SAL, wrap=False)
self.test('distanceTo dateline',
d,
19119590.551 if Sph else 19959679.267,
fmt='%.3f',
known=True) # PYCHOK test attr?
except VincentyError as x:
x = str(x)
self.test('distanceTo dateline',
x,
'no convergence ...',
known=True)
try:
d = WNZ.distanceTo(SAL, wrap=True)
self.test('distanceTo unrolled',
d,
19119590.551 if Sph else 19959679.267,
fmt='%.3f',
known=True) # PYCHOK test attr?
except VincentyError as x:
x = str(x)
self.test('distanceTo unrolled',
x,
'no convergence ...',
known=True)
self.test('antipodal', BJS.isantipodeTo(SFO, eps=0.1), False)
d = BJS.distanceTo(SFO, wrap=False)
self.test('distanceTo dateline',
d,
9491735 if Sph else 9513998,
fmt='%.0f') # PYCHOK test attr?
d = BJS.distanceTo(SFO, wrap=True)
self.test('distanceTo unrolled',
d,
9491735 if Sph else 9513998,
fmt='%.0f') # PYCHOK test attr?
# <https://GitHub.com/chrisveness/geodesy/issues/64>
d = LatLon(20, 0).distanceTo(LatLon(-2, 180))
self.test('distanceTo',
d,
18013602.92 if Sph or Nv else 18012714.66,
fmt='%.2f')
try:
d = LatLon(0, 0).distanceTo(LatLon(0, 180)) # antipodal
self.test('distanceTo',
d,
20015114.35 if Sph else 20003931.46,
fmt='%.2f',
known=Nv) # PYCHOK 0.0 for Nv
except ValueError as x:
x = str(x)
self.test('distanceTo',
x,
'ambiguous, antipodal ...',
known=True)
if hasattr(LatLon, 'distanceTo3'): # and not Sph:
for w in (False, True):
try:
d = WNZ.distanceTo3(SAL, wrap=w) # XXX expected values?
self.test('distanceTo3 dateline',
fStr(d, prec=4),
'19959679.2674, 161.0677, 18.8252',
known=True) # PYCHOK test attr?
except VincentyError as x:
x = str(x)
self.test('distanceTo3 dateline',
x,
'no convergence ...',
known=True)
d = BJS.distanceTo3(SFO, wrap=w)
self.test(
'distanceTo3 dateline', fStr(d, prec=4),
'9513997.9901, 42.9164, 138.8903') # PYCHOK test attr?
if hasattr(LatLon, 'intermediateTo'):
i = p.intermediateTo(q, 0.25)
self.test(
'intermediateTo', i, '51.372084°N, 000.707337°E'
if Sph else '51.372294°N, 000.707192°E')
self.test('intermediateTo', isinstance(i, LatLon), True)
if hasattr(p, 'distanceTo'):
d = p.distanceTo(q)
self.test('intermediateTo', d, '404279.721',
fmt='%.3f') # PYCHOK test attr?
i = p.intermediateTo(q, 5)
self.test(
'intermediateTo+5', i, '35.160975°N, 008.989542°E'
if Sph else '35.560239°N, 008.833512°E')
if hasattr(p, 'distanceTo'):
self.test('intermediateTo+5',
p.distanceTo(i) / d,
'4.885' if Nv and not Sph else '5.000',
fmt='%.3f') # PYCHOK test attr?
i = p.intermediateTo(q, -4)
self.test(
'intermediateTo-4', i, '64.911647°N, 013.726301°W'
if Sph else '64.570387°N, 013.156352°W')
if hasattr(p, 'distanceTo'):
self.test('intermediateTo-4',
p.distanceTo(i) / d,
'3.885' if Nv and not Sph else '4.000',
fmt='%.3f') # PYCHOK test attr?
# courtesy of <https://GitHub.com/bakakaldsas>
i = LatLon(52, 0, 100).intermediateTo(LatLon(48, 2, 200), 0.25)
self.test('intermediateTo-h', i.height, '125.000',
fmt='%.3f') # PYCHOK test attr?
if hasattr(LatLon, 'intermediateChordTo'):
i = p.intermediateChordTo(q, 0.25)
self.test('intermediateChordTo', i, '51.372294°N, 000.707192°E')
self.test('intermediateChordTo', isinstance(i, LatLon),
True) # PYCHOK test attr?
# courtesy of <https://GitHub.com/bakakaldsas>
i = LatLon(52, 0, 100).intermediateChordTo(LatLon(48, 2, 200),
0.25)
self.test('intermediateChordTo-h', i.height, '125.000',
fmt='%.3f') # PYCHOK test attr?
if hasattr(LatLon, 'midpointTo'):
m = p.midpointTo(q)
self.test('midpointTo', m, '50.536327°N, 001.274614°E'
) # PYCHOK test attr? # 50.5363°N, 001.2746°E
if hasattr(LatLon, 'destination'):
p = LatLon(51.4778, -0.0015)
d = p.destination(7794, 300.7)
self.test('destination', d, '51.513546°N, 000.098345°W' if Sph else
'51.513526°N, 000.098038°W') # 51.5135°N, 0.0983°W ???
self.test(
'destination', d.toStr(F_DMS, 0), '51°30′49″N, 000°05′54″W'
if Sph else '51°30′49″N, 000°05′53″W')
# <https://www.EdWilliams.org/avform.htm#LL>
d = LAX.destination(
100, 66, radius=R_NM) if Sph else LAX.destination(100, 66)
self.test('destination', d.toStr(F_DM, prec=0),
"34°37′N, 116°33′W" if Sph else "33°57′N, 118°24′W")
self.test(
'destination', d, '34.613647°N, 116.55116°W'
if Sph else '33.950367°N, 118.399012°W')
self.test('destination', d.toStr(F_RAD, prec=6),
'0.604122N, 2.034201W'
if Sph else '0.592546N, 2.066453W') # PYCHOK expected
# <https://GeographicLib.SourceForge.io/html/python/examples.html>
d = LatLon(-32.06, -115.74).destination(20e6, 225).toStr(F_D,
prec=8)
self.test('destination',
d,
'31.96383509°N, 064.37329146°E'
if Sph else '32.11195529°N, 063.95925278°E',
known=True) # PYCHOK test attr?
if hasattr(LatLon, 'alongTrackDistanceTo'):
s = LatLon(53.3206, -1.7297)
e = LatLon(53.1887, 0.1334)
p = LatLon(53.2611, -0.7972)
try:
d = p.alongTrackDistanceTo(s,
96,
TypeError.__name__,
known=True)
self.test('alongTrackDistanceTo', d, 62331.59,
fmt='%.2f') # 62331
except TypeError as x:
self.test('alongTrackDistanceTo',
str(x),
'incompatible ...',
known=True) # PYCHOK test attr?
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, 62331.58, fmt='%.2f')
# <https://www.EdWilliams.org/avform.htm#XTE>
p = LatLon(34.5, -116.5) # 34:30N, 116:30W
d = p.alongTrackDistanceTo(LAX, JFK, radius=Rav)
self.test('alongTrackDistanceTo', d, 99.588, fmt='%.3f') # NM
# courtesy of Rimvydas Naktinis
p = LatLon(53.36366, -1.83883)
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, -7702.7, fmt='%.1f')
p = LatLon(53.35423, -1.60881)
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, 7587.6,
fmt='%.1f') # PYCHOK test attr?
if hasattr(LatLon, 'crossTrackDistanceTo'):
s = LatLon(53.3206, -1.7297)
e = LatLon(53.1887, 0.1334)
p = LatLon(53.2611, -0.7972)
try:
d = p.crossTrackDistanceTo(s, 96)
self.test('crossTrackDistanceTo',
d,
TypeError.__name__,
known=True)
except TypeError as x:
self.test('crossTrackDistanceTo',
str(x),
'incompatible ...',
known=True) # PYCHOK test attr?
d = p.crossTrackDistanceTo(s, e)
self.test('crossTrackDistanceTo', d, -307.55, fmt='%.2f') # -307.5
# <https://www.EdWilliams.org/avform.htm#XTE>
p = LatLon(34.5, -116.5) # 34:30N, 116:30W
d = p.crossTrackDistanceTo(LAX, JFK, radius=Rav)
self.test('crossTrackDistanceTo', d, 7.4524,
fmt='%.4f') # PYCHOK test attr? # XXX 7.4512 NM
if hasattr(LatLon, 'greatCircle'):
p = LatLon(53.3206, -1.7297)
gc = p.greatCircle(96.0)
self.test('greatCircle', gc,
'(-0.79408, 0.12856, 0.59406)') # PYCHOK test attr?
p = LatLon(53.3206, -1.7297)
q = LatLon(53.1887, 0.1334)
self.test('cosineAndoyerLambertTo',
p.cosineAndoyerLambertTo(q),
'124801.098' if Sph else '125205.962',
fmt='%.3f')
self.test('cosineAndoyerLambertTo',
q.cosineAndoyerLambertTo(p),
'124801.098' if Sph else '125205.962',
fmt='%.3f')
self.test('cosineForsyheAndoyerLambertTo',
p.cosineForsytheAndoyerLambertTo(q),
'124801.098' if Sph else '125205.965',
fmt='%.3f')
self.test('cosineForsyheAndoyerLambertTo',
q.cosineForsytheAndoyerLambertTo(p),
'124801.098' if Sph else '125205.965',
fmt='%.3f')
self.test('cosineLawTo', p.cosineLawTo(q), '124801.098', fmt='%.3f')
self.test('cosineLawTo', q.cosineLawTo(p), '124801.098', fmt='%.3f')
self.test('equirectangularTo',
p.equirectangularTo(q),
'124804.754',
fmt='%.3f')
self.test('equirectangularTo',
q.equirectangularTo(p),
'124804.754',
fmt='%.3f')
self.test('euclideanTo', p.euclideanTo(q), '131273.287', fmt='%.3f')
self.test('euclideanTo', q.euclideanTo(p), '131273.287', fmt='%.3f')
self.test('flatLocalTo',
p.flatLocalTo(q),
'124804.754' if Sph else '125209.633',
fmt='%.3f')
self.test('flatLocalTo',
q.flatLocalTo(p),
'124804.754' if Sph else '125209.633',
fmt='%.3f')
self.test('flatPolarTo', p.flatPolarTo(q), '133663.257', fmt='%.3f')
self.test('flatPolarTo', q.flatPolarTo(p), '133663.257', fmt='%.3f')
self.test('haversineTo', p.haversineTo(q), '124801.098', fmt='%.3f')
self.test('haversineTo', q.haversineTo(p), '124801.098', fmt='%.3f')
self.test('hubenyTo', p.hubenyTo, p.flatLocalTo)
self.test('hubenyTo', q.hubenyTo, q.flatLocalTo)
self.test('thomasTo',
p.thomasTo(q),
'124801.098' if Sph else '125206.188',
fmt='%.3f')
self.test('thomasTo',
q.thomasTo(p),
'124801.098' if Sph else '125206.188',
fmt='%.3f')
self.test('vincentysTo', p.vincentysTo(q), '124801.098', fmt='%.3f')
self.test('vincentysTo', q.vincentysTo(p), '124801.098', fmt='%.3f')
if hasattr(LatLon, 'greatCircleTo'):
gc = p.greatCircleTo(q)
self.test('greatCircleTo', gc,
'(-0.79408, 0.12859, 0.59406)') # PYCHOK test attr?
if isclockwise:
f = LatLon(45, 1), LatLon(45, 2), LatLon(46, 2), LatLon(46, 1)
for _ in self.testiter():
self.test('isclockwise', isclockwise(f),
False) # PYCHOK test attr?
t = LatLon(45, 1), LatLon(46, 1), LatLon(46, 2), LatLon(45, 1)
for _ in self.testiter():
self.test('isclockwise', isclockwise(t),
True) # PYCHOK test attr?
for _ in self.testiter():
try:
self.test('isclockwise', isclockwise(t[:2]),
ValueError.__name__)
except ValueError as x:
self.test('isclockwise',
str(x),
'points (2): too few',
known=True) # PYCHOK test attr?
# <https://blog.Element84.com/determining-if-a-spherical-polygon-contains-a-pole.html>
p = LatLon(85, -135), LatLon(85, -45), LatLon(85, 45), LatLon(
85, 135), LatLon(85, -135)
for _ in self.testiter():
try:
self.test('isclockwise', isclockwise(p),
ValueError.__name__) # PYCHOK test attr?
except ValueError as x:
self.test('isclockwise',
str(x),
'zero or polar area',
known=True) # PYCHOK test attr?
if isconvex:
f = LatLon(45, 1), LatLon(46, 2), LatLon(45, 2), LatLon(46, 1)
for _ in self.testiter():
self.test('isconvex', isconvex(f), False) # PYCHOK test attr?
t = LatLon(45, 1), LatLon(46, 1), LatLon(46, 2), LatLon(45, 1)
for _ in self.testiter():
self.test('isconvex', isconvex(t), True) # PYCHOK test attr?
for _ in self.testiter():
try:
self.test('isconvex', isconvex(t[:2]), ValueError.__name__)
except ValueError as x:
self.test('isconvex',
str(x),
'points (2): too few',
known=True) # PYCHOK test attr?
if isenclosedBy:
b = LatLon(45, 1), LatLon(45, 2), LatLon(46, 2), LatLon(46, 1)
for _ in self.testiter():
self.test('isenclosedBy1', isenclosedBy(LatLon(45.5, 1.5), b),
True) # PYCHOK test attr?
for _ in self.testiter(): # on polygon point is outside
self.test('isenclosedBy2', isenclosedBy((46, 2), b),
False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon point is outside
self.test('isenclosedBy3', isenclosedBy((46, 1), b),
False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon edge is outside
self.test('isenclosedBy4', isenclosedBy((46, 1.5), b),
False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon is False
self.test('isenclosedBy5', isenclosedBy((45.5, 1), b),
False) # PYCHOK test attr?
p = LatLon(85, 90), LatLon(85, 0), LatLon(85,
-90), LatLon(85, -180)
for _ in self.testiter():
self.test('isenclosedBy6', isenclosedBy((90, 0), p),
'True') # PYCHOK test attr?
p = LatLon(85, 90), LatLon(85, 0), LatLon(85, -90)
for _ in self.testiter():
self.test('isenclosedBy7', isenclosedBy((90, 0), p),
'True') # PYCHOK test attr?
if hasattr(LatLon, 'initialBearingTo'):
b = LHR.initialBearingTo(FRA)
self.test('initialBearingTo',
b,
102.432182 if Sph else 102.392291,
fmt='%.6f') # PYCHOK test attr?
a = LHR.compassAngleTo(FRA, adjust=False)
self.test('compassAngleTo', a, 100.017, fmt='%.3f')
a = LHR.compassAngleTo(FRA) # adjust=True
self.test('compassAngleTo', a, 105.599, fmt='%.3f')
if hasattr(LatLon, 'initialBearingTo'):
b = FRA.initialBearingTo(LHR)
self.test('initialBearingTo',
b,
288.715918 if Sph else 288.676039,
fmt='%.6f') # PYCHOK test attr?
a = FRA.compassAngleTo(LHR, adjust=False)
self.test('compassAngleTo', a, 280.017, fmt='%.3f')
a = FRA.compassAngleTo(LHR) # adjust=True
self.test('compassAngleTo', a, 285.599, fmt='%.3f')
d = LHR.equirectangularTo(FRA)
self.test('equirectangularTo', m2km(d), 592.185, fmt='%.3f')
if hasattr(LatLon, 'distanceTo'):
d = LHR.distanceTo(FRA)
self.test('distanceTo',
m2km(d),
591.831 if Sph else (591.831 if Nv else 593.571),
fmt='%.3f') # PYCHOK test attr?
p = LatLon(0, 0)
for a, b, d in ((1, 0, 0.0), (1, 1, 45.0), (0, 1, 90.0),
(-1, 0, 180.0), (-1, -1, 225.0), (1, -1, 315.0),
(0, -1, 270.0), (90, -1, 359.4)):
q = LatLon(p.lat + a, p.lon + b)
if not Nv:
b = p.initialBearingTo(q)
self.test('bearingTo', b, d, fmt='%.1f', known=True)
c = p.compassAngleTo(q, adjust=False)
self.test('compassAngleTo', c, d, fmt='%.1f')
p.lat, p.lon = 52, '0' # coverage
q = LatLon(p.lat + 1, p.lon + 1) # 45 unadjusted
self.test('latlon2', q.latlon2(1), '(53.0, 1.0)')
self.test('philam2', q.philam2(2), '(0.93, 0.02)')
if not Nv:
b = p.initialBearingTo(q)
self.test('bearingTo', b, 31.0, fmt='%.0f')
c = p.compassAngleTo(q, adjust=True)
self.test('compassAngleTo', c, 31.0, fmt='%.0f')
c = p.compassAngleTo(q, adjust=False)
self.test('compassAngleTo', c, 45.0, fmt='%.0f')
# check return types
self.testReturnType(p.boundsOf(2, 4), Bounds2Tuple, 'boundsOf')
self.testReturnType(p.latlon, LatLon2Tuple, 'latlon')
self.testReturnType(p.latlon2(), LatLon2Tuple, 'latlon2')
self.testReturnType(p.latlonheight, LatLon3Tuple, 'latlonheight')
self.testReturnType(p.isequalTo(p), bool, 'isequalTo')
self.testReturnType(p.philam, PhiLam2Tuple, 'philam')
self.testReturnType(p.philamheight, PhiLam3Tuple, 'philamheight')
self.testReturnType(p.to2ab(), PhiLam2Tuple, 'to2ab')
self.testReturnType(p.to3llh(0), LatLon3Tuple, 'to3llh')
self.testReturnType(p.to3xyz(), Vector3Tuple, 'to3xyz')
self.testReturnType(p.xyz, Vector3Tuple, 'xyz')
self.testReturnType(p.xyzh, Vector4Tuple, 'xyzh')
self.testReturnType(p.compassAngleTo(q), float, 'compassAngleTo')
self.testReturnType(p.cosineLawTo(q), float, 'cosineLawTo')
self.testReturnType(p.euclideanTo(q), float, 'euclideanTo')
self.testReturnType(p.flatLocalTo(q), float, 'flatLocalTo')
self.testReturnType(p.flatPolarTo(q), float, 'flatPolarTo')
self.testReturnType(p.haversineTo(q), float, 'haversineTo')
self.testReturnType(p.hubenyTo(q), float, 'hubenyTo')
self.testReturnType(p.vincentysTo(q), float, 'vincentysTo')
if not Nv:
# XXX prec=5 for NvectorBase.toStr vs prec=6 for Vector3Tuple.toStr
self.test('toNvector', p.toNvector(), '(0.61566, 0.0, 0.78801)'
if Sph else '(0.615661, 0.0, 0.788011)') # PYCHOK test
self.test('toVector', p.toVector(), '(0.615661, 0.0, 0.788011)')
self.test('toVector3d', p.toVector3d(), '(0.61566, 0.0, 0.78801)')
def testLatLon(self, module, Sph=False, Nv=True): # MCCABE 45
self.subtitle(module, 'LatLon')
LatLon = module.LatLon
# basic LatLon class tests
p = LatLon(52.20472, 0.14056)
self.test('isEllipsoidal', p.isEllipsoidal, not Sph)
self.test('isSpherical', p.isSpherical, Sph)
self.test('lat/lonDMS', p, '52.20472°N, 000.14056°E') # 52.20472°N, 000.14056°E
self.test('lat/lonDMS F_DM', p.toStr(F_DM, 3), '''52°12.283'N, 000°08.434'E''')
self.test('lat/lonDMS F_DM', p.toStr(F_DM, 4), '''52°12.2832'N, 000°08.4336'E''')
self.test('lat/lonDMS F_DMS', p.toStr(F_DMS, 0), '''52°12'17"N, 000°08'26"E''')
self.test('lat/lonDMS F_DMS', p.toStr(F_DMS, 1), '''52°12'17.0"N, 000°08'26.0"E''')
self.test('lat/lonDMS F_RAD', p.toStr(F_RAD, 6), '0.911144N, 0.002453E')
q = LatLon(*map(degrees, p.to2ab()))
self.test('isequalTo', q.isequalTo(p), True)
self.test('latlon2', fStr(q.latlon2(5)), '52.20472, 0.14056')
self.test('latlon2', fStr(q.latlon2(4)), '52.2047, 0.1406')
self.test('latlon2', fStr(q.latlon2(3)), '52.205, 0.141')
self.test('latlon2', fStr(q.latlon2(2)), '52.2, 0.14')
self.test('latlon2', fStr(q.latlon2(1)), '52.2, 0.1')
self.test('latlon2', fStr(q.latlon2()), '52.0, 0.0')
FRA = LatLon(50.0379, 8.5622)
LHR = LatLon(51.47, 0.4543)
# <http://www.EdWilliams.org/avform.htm#XTE>
JFK = LatLon(degrees(0.709186), -degrees(1.287762))
LAX = LatLon(33.+57./60, -(118.+24./60))
Rav = m2NM(6366710) # avg. earth radius in NM
# <http://GeographicLib.SourceForge.io/html/python/examples.html>
WNZ = LatLon(-41.32, 174.81) # Wellington, NZ
SAL = LatLon(40.96, 5.50) # Salamanca, Spain
BJS = LatLon(40.1, 116.6) # Beijing Airport
SFO = LatLon(37.6, -122.4) # San Francisco
p = LatLon(52.205, 0.119)
q = LatLon(48.857, 2.351)
self.test('isequalTo', p.isequalTo(q), False)
a = p.antipode()
self.test('antipode1', a, '52.205°S, 179.881°W')
self.test('antipode2', a.isantipodeTo(p), True)
b = a.antipode()
self.test('antipode3', b, '52.205°N, 000.119°E')
self.test('antipode4', a.isantipodeTo(b), True)
self.test('antipode5', b, p)
if hasattr(LatLon, 'initialBearingTo'):
b = p.initialBearingTo(q)
self.test('initialBearingTo', b, 156.1666 if Sph else 156.1106, fmt='%.4f') # 156.2
b = p.finalBearingTo(q)
self.test('finalBearingTo', b, 157.8904 if Sph else 157.8345, fmt='%.4f')
b = LAX.initialBearingTo(JFK)
self.test('initialBearingTo', b, 65.8921 if Sph else 65.9335, fmt='%.4f') # PYCHOK test attr?
b = LAX.finalBearingTo(JFK)
self.test('finalBearingTo', b, 93.8581 if Sph else 93.9034, fmt='%.4f') # PYCHOK test attr?
if hasattr(LatLon, 'bearingTo2'):
b = p.bearingTo2(q)
self.test('bearingTo2', fStr(b, prec=4), '156.1666, 157.8904' if Sph else '156.1106, 157.8345') # 156.2
# <http://blog.Element84.com/determining-if-a-spherical-polygon-contains-a-pole.html>
b = LatLon(85, -135), LatLon(85, -45), LatLon(85, 45), LatLon(85, 135), LatLon(85, -135)
self.test('ispolar', ispolar(b), True) # PYCHOK test attr?
c = p.copy()
self.test('copy', p.isequalTo(c), 'True')
d = p.equirectangularTo(q)
self.test('equirectangularTo', d, '404329.56', fmt='%.2f')
if hasattr(LatLon, 'distanceTo'):
d = p.distanceTo(q)
self.test('distanceTo', d, '404279.720589' if Sph else '404607.805988', fmt='%.6f') # 404300
d = q.distanceTo(p)
self.test('distanceTo', d, '404279.720589' if Sph else '404607.805988', fmt='%.6f') # 404300
d = LAX.distanceTo(JFK, radius=R_NM) if Sph else LAX.distanceTo(JFK)
self.test('distanceTo', d, 2145 if Sph else 3981601, fmt='%.0f') # PYCHOK test attr?
if not Nv: # <http://GeographicLib.SourceForge.io/html/python/examples.html>
self.test('antipodal', WNZ.isantipodeTo(SAL, eps=0.1), False)
d = WNZ.distanceTo(SAL, wrap=False)
self.test('distanceTo dateline', d, 19119590.551 if Sph else 19959679.267, fmt='%.3f', known=True) # PYCHOK test attr?
d = WNZ.distanceTo(SAL, wrap=True)
self.test('distanceTo unrolled', d, 19119590.551 if Sph else 19959679.267, fmt='%.3f', known=True) # PYCHOK test attr?
self.test('antipodal', BJS.isantipodeTo(SFO, eps=0.1), False)
d = BJS.distanceTo(SFO, wrap=False)
self.test('distanceTo dateline', d, 9491735 if Sph else 9513998, fmt='%.0f') # PYCHOK test attr?
d = BJS.distanceTo(SFO, wrap=True)
self.test('distanceTo unrolled', d, 9491735 if Sph else 9513998, fmt='%.0f') # PYCHOK test attr?
if hasattr(LatLon, 'distanceTo3') and not Sph:
for w in (False, True):
d = WNZ.distanceTo3(SAL, wrap=w) # XXX expected values?
self.test('distanceTo3 dateline', fStr(d, prec=4), '19125097.7012, 270.7159, 276.0288', known=True) # PYCHOK test attr?
d = BJS.distanceTo3(SFO, wrap=w)
self.test('distanceTo3 dateline', fStr(d, prec=4), '9513997.9901, 42.9164, 138.8903') # PYCHOK test attr?
if hasattr(LatLon, 'intermediateTo'):
i = p.intermediateTo(q, 0.25)
self.test('intermediateTo', i, '51.372084°N, 000.707337°E' if Sph
else '51.372294°N, 000.707192°E')
self.test('intermediateTo', isinstance(i, LatLon), True)
if hasattr(p, 'distanceTo'):
d = p.distanceTo(q)
self.test('intermediateTo', d, '404279.721', fmt='%.3f') # PYCHOK test attr?
i = p.intermediateTo(q, 5)
self.test('intermediateTo+5', i, '35.160975°N, 008.989542°E' if Sph
else '35.560239°N, 008.833512°E')
if hasattr(p, 'distanceTo'):
self.test('intermediateTo+5', p.distanceTo(i) / d, '5.000', fmt='%.3f') # PYCHOK test attr?
i = p.intermediateTo(q, -4)
self.test('intermediateTo-4', i, '64.911647°N, 013.726301°W' if Sph
else '64.570387°N, 013.156352°W')
if hasattr(p, 'distanceTo'):
self.test('intermediateTo-4', p.distanceTo(i) / d, '4.000', fmt='%.3f') # PYCHOK test attr?
# courtesy of <http://GitHub.com/bakakaldsas>
i = LatLon(52, 0, 100).intermediateTo(LatLon(48, 2, 200), 0.25)
self.test('intermediateTo-h', i.height, '125.000', fmt='%.3f') # PYCHOK test attr?
if hasattr(LatLon, 'intermediateChordTo'):
i = p.intermediateChordTo(q, 0.25)
self.test('intermediateChordTo', i, '51.372294°N, 000.707192°E')
self.test('intermediateChordTo', isinstance(i, LatLon), True) # PYCHOK test attr?
# courtesy of <http://GitHub.com/bakakaldsas>
i = LatLon(52, 0, 100).intermediateChordTo(LatLon(48, 2, 200), 0.25)
self.test('intermediateChordTo-h', i.height, '125.000', fmt='%.3f') # PYCHOK test attr?
if hasattr(LatLon, 'midpointTo'):
m = p.midpointTo(q)
self.test('midpointTo', m, '50.536327°N, 001.274614°E') # PYCHOK test attr? # 50.5363°N, 001.2746°E
if hasattr(LatLon, 'destination'):
p = LatLon(51.4778, -0.0015)
d = p.destination(7794, 300.7)
self.test('destination', d, '51.513546°N, 000.098345°W' if Sph
else '51.513526°N, 000.098038°W') # 51.5135°N, 0.0983°W ???
self.test('destination', d.toStr(F_DMS, 0), '51°30′49″N, 000°05′54″W' if Sph
else '51°30′49″N, 000°05′53″W')
# <http://www.EdWilliams.org/avform.htm#LL>
d = LAX.destination(100, 66, radius=R_NM) if Sph else LAX.destination(100, 66)
self.test('destination', d.toStr(F_DM, prec=0), "34°37′N, 116°33′W" if Sph
else "33°57′N, 118°24′W")
self.test('destination', d, '34.613647°N, 116.55116°W' if Sph
else '33.950367°N, 118.399012°W')
self.test('destination', d.toStr(F_RAD, prec=6), '0.604122N, 2.034201W' if Sph
else '0.592546N, 2.066453W') # PYCHOK expected
# <http://GeographicLib.SourceForge.io/html/python/examples.html>
d = LatLon(-32.06, -115.74).destination(20e6, 225).toStr(F_D, prec=8)
self.test('destination', d, '31.96383509°N, 064.37329146°E' if Sph
else '32.11195529°N, 063.95925278°E', known=True) # PYCHOK test attr?
if hasattr(LatLon, 'alongTrackDistanceTo'):
s = LatLon(53.3206, -1.7297)
e = LatLon(53.1887, 0.1334)
p = LatLon(53.2611, -0.7972)
try:
d = p.alongTrackDistanceTo(s, 96)
self.test('alongTrackDistanceTo', d, 62331.59, fmt='%.2f') # 62331
except TypeError as x:
self.test('alongTrackDistanceTo', x, 'type(end) mismatch: int vs ' + classname(p)) # PYCHOK test attr?
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, 62331.58, fmt='%.2f')
# <http://www.EdWilliams.org/avform.htm#XTE>
p = LatLon(34.5, -116.5) # 34:30N, 116:30W
d = p.alongTrackDistanceTo(LAX, JFK, radius=Rav)
self.test('alongTrackDistanceTo', d, 99.588, fmt='%.3f') # NM
# courtesy of Rimvydas Naktinis
p = LatLon(53.36366, -1.83883)
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, -7702.7, fmt='%.1f')
p = LatLon(53.35423, -1.60881)
d = p.alongTrackDistanceTo(s, e)
self.test('alongTrackDistanceTo', d, 7587.6, fmt='%.1f') # PYCHOK test attr?
if hasattr(LatLon, 'crossTrackDistanceTo'):
s = LatLon(53.3206, -1.7297)
e = LatLon(53.1887, 0.1334)
p = LatLon(53.2611, -0.7972)
try:
d = p.crossTrackDistanceTo(s, 96)
self.test('crossTrackDistanceTo', d, -305.67, fmt='%.2f') # -305.7
except TypeError as x:
self.test('crossTrackDistanceTo', x, 'type(end) mismatch: int vs ' + classname(p)) # PYCHOK test attr?
d = p.crossTrackDistanceTo(s, e)
self.test('crossTrackDistanceTo', d, -307.55, fmt='%.2f') # -307.5
# <http://www.EdWilliams.org/avform.htm#XTE>
p = LatLon(34.5, -116.5) # 34:30N, 116:30W
d = p.crossTrackDistanceTo(LAX, JFK, radius=Rav)
self.test('crossTrackDistanceTo', d, 7.4524, fmt='%.4f') # PYCHOK test attr? # XXX 7.4512 NM
if hasattr(LatLon, 'greatCircle'):
p = LatLon(53.3206, -1.7297)
gc = p.greatCircle(96.0)
self.test('greatCircle', gc, '(-0.79408, 0.12856, 0.59406)') # PYCHOK test attr?
if hasattr(LatLon, 'greatCircleTo'):
p = LatLon(53.3206, -1.7297)
q = LatLon(53.1887, 0.1334)
gc = p.greatCircleTo(q)
self.test('greatCircleTo', gc, '(-0.79408, 0.12859, 0.59406)') # PYCHOK test attr?
if isclockwise:
f = LatLon(45,1), LatLon(45,2), LatLon(46,2), LatLon(46,1)
for _ in self.testiter():
self.test('isclockwise', isclockwise(f), False) # PYCHOK test attr?
t = LatLon(45,1), LatLon(46,1), LatLon(46,2), LatLon(45,1)
for _ in self.testiter():
self.test('isclockwise', isclockwise(t), True) # PYCHOK test attr?
for _ in self.testiter():
try:
self.test('isclockwise', isclockwise(t[:2]), ValueError)
except ValueError as x:
self.test('isclockwise', x, 'too few points: 2') # PYCHOK test attr?
# <http://blog.Element84.com/determining-if-a-spherical-polygon-contains-a-pole.html>
p = LatLon(85, -135), LatLon(85, -45), LatLon(85, 45), LatLon(85, 135), LatLon(85, -135)
for _ in self.testiter():
try:
self.test('isclockwise', isclockwise(p), ValueError) # PYCHOK test attr?
except ValueError as x:
# polar or zero area: LatLon2psxy((LatLon(85°00′00.0″N, 135°00′00.0″W), ...)[4], ...
self.test('isclockwise', str(x).split(':')[0], 'polar or zero area') # PYCHOK test attr?
if isconvex:
f = LatLon(45,1), LatLon(46,2), LatLon(45,2), LatLon(46,1)
for _ in self.testiter():
self.test('isconvex', isconvex(f), False) # PYCHOK test attr?
t = LatLon(45,1), LatLon(46,1), LatLon(46,2), LatLon(45,1)
for _ in self.testiter():
self.test('isconvex', isconvex(t), True) # PYCHOK test attr?
for _ in self.testiter():
try:
self.test('isconvex', isconvex(t[:2]), ValueError)
except ValueError as x:
self.test('isconvex', x, 'too few points: 2') # PYCHOK test attr?
if isenclosedBy:
b = LatLon(45, 1), LatLon(45, 2), LatLon(46, 2), LatLon(46, 1)
for _ in self.testiter():
self.test('isenclosedBy1', isenclosedBy(LatLon(45.5, 1.5), b), True) # PYCHOK test attr?
for _ in self.testiter(): # on polygon point is outside
self.test('isenclosedBy2', isenclosedBy((46, 2), b), False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon point is outside
self.test('isenclosedBy3', isenclosedBy((46, 1), b), False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon edge is outside
self.test('isenclosedBy4', isenclosedBy((46, 1.5), b), False) # PYCHOK test attr?
for _ in self.testiter(): # on polygon is False
self.test('isenclosedBy5', isenclosedBy((45.5, 1), b), False) # PYCHOK test attr?
p = LatLon(85, 90), LatLon(85, 0), LatLon(85, -90), LatLon(85, -180)
for _ in self.testiter():
self.test('isenclosedBy6', isenclosedBy((90, 0), p), 'True') # PYCHOK test attr?
p = LatLon(85, 90), LatLon(85, 0), LatLon(85, -90)
for _ in self.testiter():
self.test('isenclosedBy7', isenclosedBy((90, 0), p), 'True') # PYCHOK test attr?
if hasattr(LatLon, 'initialBearingTo'):
b = LHR.initialBearingTo(FRA)
self.test('initialBearingTo', b, 102.432182 if Sph else 102.392291, fmt='%.6f') # PYCHOK test attr?
a = LHR.compassAngleTo(FRA, adjust=False)
self.test('compassAngleTo', a, 100.017, fmt='%.3f')
a = LHR.compassAngleTo(FRA) # adjust=True
self.test('compassAngleTo', a, 105.599, fmt='%.3f')
if hasattr(LatLon, 'initialBearingTo'):
b = FRA.initialBearingTo(LHR)
self.test('initialBearingTo', b, 288.715918 if Sph else 288.676039, fmt='%.6f') # PYCHOK test attr?
a = FRA.compassAngleTo(LHR, adjust=False)
self.test('compassAngleTo', a, 280.017, fmt='%.3f')
a = FRA.compassAngleTo(LHR) # adjust=True
self.test('compassAngleTo', a, 285.599, fmt='%.3f')
d = LHR.equirectangularTo(FRA)
self.test('equirectangularTo', m2km(d), 592.185, fmt='%.3f')
if hasattr(LatLon, 'distanceTo'):
d = LHR.distanceTo(FRA)
self.test('distanceTo', m2km(d), 591.831 if Sph else 593.571, fmt='%.3f') # PYCHOK test attr?
p = LatLon(0, 0)
for a, b, d in ((1, 0, 0.0), ( 1, 1, 45.0), ( 0, 1, 90.0),
(-1, 0, 180.0), (-1, -1, 225.0),
(1, -1, 315.0), ( 0, -1, 270.0),
(90, -1, 359.4)):
q = LatLon(p.lat + a, p.lon + b)
if not Nv:
b = p.initialBearingTo(q)
self.test('bearingTo', b, d, fmt='%.1f', known=True)
c = p.compassAngleTo(q, adjust=False)
self.test('compassAngleTo', c, d, fmt='%.1f')
p = LatLon(52, 0)
q = LatLon(p.lat + 1, p.lon + 1) # 45 unadjusted
if not Nv:
b = p.initialBearingTo(q)
self.test('bearingTo', b, 31.0, fmt='%.0f')
c = p.compassAngleTo(q, adjust=True)
self.test('compassAngleTo', c, 31.0, fmt='%.0f')
c = p.compassAngleTo(q, adjust=False)
self.test('compassAngleTo', c, 45.0, fmt='%.0f')
