Example #1
0
    def testKarneyVincenty(self, module, LatLon, d):

        self.subtitle(module, 'KarneyVincenty', datum=d.name)

        p = LatLon(-37.95103342, 144.42486789, datum=d)
        t = p.distanceTo(p)
        self.test('coincident', t, '0.0')
        t = p.distanceTo3(p)
        self.test('coincident', fstr(t), '0.0, 0.0, 0.0')

        q = p.destination(54972.271, 306.86816)
        t = q.toStr(F_D, prec=4)
        self.test('destination', t, '37.6528°S, 143.9265°E')
        self.test('destination', isinstance(q, LatLon), True)

        q, f = p.destination2(54972.271, 306.86816)
        t = q.toStr(F_D) + ', ' + compassDMS(f, prec=4)
        self.test('destination2', t, '37.652821°S, 143.926496°E, 307.1736°NW')
        self.test('destination2', isinstance(q, LatLon), True)

        f = p.finalBearingOn(54972.271, 306.86816)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingOn', t, '307.1736°, 307°10′25.07″NW')

        # <https://GitHub.com/chrisveness/geodesy/blob/master/test/latlon-ellipsoidal-vincenty-tests.js>
        # ... Test case (UK), using WGS-84
        p = LatLon(50.06632, -5.71475, datum=d)
        q = LatLon(58.64402, -3.07009, datum=d)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '969954.166', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fstr(t, prec=6)
        self.test('distanceTo3', t, '969954.166314, 9.141877, 11.29722')

        t = p.distanceTo2(q)
        t = fstr(t, prec=5)
        self.test('distanceTo2', t, '972708.16174, 11.22502')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '9.1419°, 9°08′30.76″N')

        t = p.destination(m, b)
        self.test('destination', t.toStr(form=F_D, prec=5),
                  '58.64402°N, 003.07009°W')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '11.2972°, 11°17′49.99″NNE')

        f = p.finalBearingOn(m, b)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingOn', t, '11.2972°, 11°17′49.99″NNE')

        p = LatLon(52.205, 0.119)
        q = LatLon(48.857, 2.351)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '404607.806', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fstr(t, prec=6)
        self.test('distanceTo3', t, '404607.805988, 156.11064, 157.8345')

        t = p.distanceTo2(q)
        t = fstr(t, prec=6)
        self.test('distanceTo2', t, '402574.597287, 157.726344')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '156.1106°, 156°06′38.31″SSE')

        t = p.destination(m, b)
        self.test('destination', t.toStr(form=F_D, prec=5),
                  '48.857°N, 002.351°E')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '157.8345°, 157°50′04.2″SSE')  # 157.9

        f = p.finalBearingOn(m, b)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingOn', t, '157.8345°, 157°50′04.2″SSE')

        p = LatLon(37.95103, 144.42487, datum=d)
        q = LatLon(37.65280, 143.9265, datum=d)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '54973.295', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fstr(t, prec=5)
        self.test('distanceTo3', t, '54973.29527, 233.13008, 232.82461')

        t = p.distanceTo2(q)
        t = fstr(t, prec=5)
        self.test('distanceTo2', t, '54903.41209, 232.9209')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '233.1301°, 233°07′48.28″SW')

        t = p.destination(m, b)
        self.test('destination', t.toStr(form=F_D, prec=5),
                  '37.6528°N, 143.9265°E')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '232.8246°, 232°49′28.59″SW')

        f = p.finalBearingOn(m, b)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingOn', t, '232.8246°, 232°49′28.59″SW')

        # <https://GitHub.com/maurycyp/vincenty> Maurycy Pietrzak
        Boston = LatLon(42.3541165, -71.0693514, datum=d)
        NewYork = LatLon(40.7791472, -73.9680804, datum=d)
        m = Boston.distanceTo(NewYork)
        self.test('distanceToMP', m, '298396.057', fmt='%.3f')
        self.test('distanceToSM', m2SM(m), 185.414, fmt='%.3f')

        p = LatLon(0, 0, datum=d)
        q = LatLon(0, 1, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToMP', m, '111319.491', fmt='%.3f')

        q = LatLon(1, 0, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToMP', m, '110574.389', fmt='%.3f')

        # <https://PyPI.org/project/pygc> Kyle Wilcox
        p = LatLon(0, 50, datum=d)
        q = LatLon(0, 52, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToKW', m, '222638.982', fmt='%.3f')

        q = LatLon(0, 49, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToKW', m, '111319.491', fmt='%.3f')

        # <https://www.Movable-Type.co.UK/scripts/latlong-vincenty.html>
        # ... Test case (from Geoscience Australia), using WGS-84
        FindersPeak = LatLon('37°57′03.72030″S', '144°25′29.52440″E')
        Buninyong = LatLon('37°39′10.15610″S', '143°55′35.38390″E')
        m, b, f = FindersPeak.distanceTo3(Buninyong)
        self.test('distanceTo3', m, '54972.271', fmt='%.3f')
        self.test('distanceTo3', bearingDMS(b, F_DMS), '306°52′05.37″')
        self.test('distanceTo3', bearingDMS(f, F_DMS), '307°10′25.07″')
        m, b = FindersPeak.distanceTo2(Buninyong)
        self.test('distanceTo2', m, '54902.390', fmt='%.3f')
        self.test('distanceTo2', bearingDMS(b, F_DMS), '307°04′38.41″')
Example #2
0
    def testVincenty(self, module, datum):

        d = datum

        self.subtitle(module, 'Vincenty', datum=d.name)

        LatLon = module.LatLon

        Newport_RI = LatLon(41.49008, -71.312796, datum=d)
        Cleveland_OH = LatLon(41.499498, -81.695391, datum=d)
        m = Newport_RI.distanceTo(Cleveland_OH)
        self.test('distanceTo', m, '866455.43292', fmt='%.5f')

        try:
            t = None
            m = Newport_RI.distanceTo(Newport_RI)
        except VincentyError as x:
            t = x  # Python 3+
        self.test(
            'VincentyError', t,
            'LatLon(41°29′24.29″N, 071°18′46.07″W) coincides with LatLon(41°29′24.29″N, 071°18′46.07″W)'
        )

        if hasattr(LatLon, 'toCartesian'):
            try:
                m = Newport_RI.distanceTo(
                    Cleveland_OH.convertDatum(Datums.OSGB36))
                self.test('ValueError', None,
                          'other Ellipsoid mistmatch: ...' + d.ellipsoid.name)
            except ValueError as x:
                self.test(
                    'ValueError', x,
                    'other Ellipsoid mistmatch: Ellipsoids.Airy1830 vs Ellipsoids.'
                    + d.ellipsoid.name)
            except Exception as x:
                self.test('ValueError', x, 'ValueError ...' + d.ellipsoid.name)

        p = LatLon(-37.95103342, 144.42486789, datum=d)
        self.test('isEllipsoidal', p.isEllipsoidal, True)
        self.test('isSpherical', p.isSpherical, False)

        self.test('epsilon', p.epsilon, 1e-12)
        self.test('iterations', p.iterations, 50)

        q = p.copy()
        self.test('copy', q.equals(p), True)
        self.test('isEllipsoidal', q.isEllipsoidal, True)
        self.test('isSpherical', q.isSpherical, False)

        self.test('copy', q.toStr(F_DMS, prec=4),
                  '37°57′03.7203″S, 144°25′29.5244″E')

        q.epsilon, q.iterations = EPS, 200
        self.test('epsilon', q.epsilon, EPS)
        self.test('iterations', q.iterations, 200)

        q = p.destination(54972.271, 306.86816)
        t = q.toStr(F_D, prec=4)
        self.test('destination', t, '37.6528°S, 143.9265°E')
        self.test('destination', isinstance(q, LatLon), True)

        q, f = p.destination2(54972.271, 306.86816)
        t = q.toStr(F_D) + ', ' + compassDMS(f, prec=4)
        self.test('destination2', t, '37.652821°S, 143.926496°E, 307.1736°NW')
        self.test('destination2', isinstance(q, LatLon), True)

        f = p.finalBearingOn(54972.271, 306.86816)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingOn', t, '307.1736°, 307°10′25.07″NW')

        p = LatLon(50.06632, -5.71475, datum=d)
        q = LatLon(58.64402, -3.07009, datum=d)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '969954.166', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fStr(t, prec=6)
        self.test('distanceTo3', t, '969954.166314, 9.141877, 11.29722')

        t = p.distanceTo2(q)
        t = fStr(t, prec=5)
        self.test('distanceTo2', t, '972708.16174, 11.22502')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '9.1419°, 9°08′30.76″N')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '11.2972°, 11°17′49.99″NNE')

        p = LatLon(52.205, 0.119)
        q = LatLon(48.857, 2.351)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '404607.806', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fStr(t, prec=6)
        self.test('distanceTo3', t, '404607.805988, 156.11064, 157.8345')

        t = p.distanceTo2(q)
        t = fStr(t, prec=6)
        self.test('distanceTo2', t, '402574.597287, 157.726344')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '156.1106°, 156°06′38.31″SSE')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '157.8345°, 157°50′04.2″SSE')  # 157.9

        p = LatLon(37.95103, 144.42487, datum=d)
        q = LatLon(37.65280, 143.9265, datum=d)
        m = p.distanceTo(q)
        self.test('distanceTo', m, '54973.295', fmt='%.3f')

        t = p.distanceTo3(q)
        t = fStr(t, prec=5)
        self.test('distanceTo3', t, '54973.29527, 233.13008, 232.82461')

        t = p.distanceTo2(q)
        t = fStr(t, prec=5)
        self.test('distanceTo2', t, '54903.41209, 232.9209')

        b = p.initialBearingTo(q)
        t = bearingDMS(b, prec=4) + ', ' + compassDMS(b, form=F_DMS, prec=2)
        self.test('initialBearingTo', t, '233.1301°, 233°07′48.28″SW')

        f = p.finalBearingTo(q)
        t = bearingDMS(f, prec=4) + ', ' + compassDMS(f, form=F_DMS, prec=2)
        self.test('finalBearingTo', t, '232.8246°, 232°49′28.59″SW')

        # <http://github.com/maurycyp/vincenty> Maurycy Pietrzak
        Boston = LatLon(42.3541165, -71.0693514, datum=d)
        NewYork = LatLon(40.7791472, -73.9680804, datum=d)
        m = Boston.distanceTo(NewYork)
        self.test('distanceToMP', m, '298396.057', fmt='%.3f')
        self.test('distanceToSM', m2SM(m), 185.414, fmt='%.3f')

        p = LatLon(0, 0, datum=d)
        q = LatLon(0, 1, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToMP', m, '111319.491', fmt='%.3f')

        q = LatLon(1, 0, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToMP', m, '110574.389', fmt='%.3f')

        # <http://pypi.python.org/pypi/pygc> Kyle Wilcox
        p = LatLon(0, 50, datum=d)
        q = LatLon(0, 52, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToKW', m, '222638.982', fmt='%.3f')

        q = LatLon(0, 49, datum=d)
        m = p.distanceTo(q)
        self.test('distanceToKW', m, '111319.491', fmt='%.3f')

        # <http://www.movable-type.co.uk/scripts/latlong-vincenty.html>
        # ... Test case (from Geoscience Australia), using WGS-84
        FindersPeak = LatLon('37°57′03.72030″S', '144°25′29.52440″E')
        Buninyong = LatLon('37°39′10.15610″S', '143°55′35.38390″E')
        m, b, f = FindersPeak.distanceTo3(Buninyong)
        self.test('distanceTo3', m, '54972.271', fmt='%.3f')
        self.test('distanceTo3', bearingDMS(b, F_DMS), '306°52′05.37″')
        self.test('distanceTo3', bearingDMS(f, F_DMS), '307°10′25.07″')
        m, b = FindersPeak.distanceTo2(Buninyong)
        self.test('distanceTo2', m, '54902.390', fmt='%.3f')
        self.test('distanceTo2', bearingDMS(b, F_DMS), '307°04′38.41″')