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ezheidtmann/distance-comparison.csv

Last active May 31, 2016 23:49
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Comparison between CoreLocation distanceFromLocation() and other earth distance methods
Raw
distance-comparison.csv
ios_distanceFromLocation geopy_great_circle geopy_vincenty great_circle_difference vincenty_difference
3.93925768 3.9281531653 3.93922265629 0.0111045147028 3.50237133229e-05
25.72370334 25.7073197794 25.7236413377 0.0163835605726 6.20023199041e-05
5.46728098 5.45349443375 5.46725389515 0.0137865462544 2.70848484067e-05
8.29325257 8.27305170503 8.2932119731 0.0202008649714 4.05968985113e-05
9.69501709 9.67160552512 9.69496572517 0.0234115648778 5.13648320624e-05
6.00842669 5.99403658269 6.00839455602 0.014390107307 3.21339784124e-05
5.12883773 5.11445893246 5.12880707646 0.0143787975444 3.06535422894e-05
0.0 0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0 0.0
7.77605309 7.75481290661 7.77600657882 0.0212401833881 4.65111845074e-05
6.85854079 6.83919847055 6.85849772553 0.019342319449 4.30644727469e-05
4.68616224 4.67381268917 4.68613396014 0.0123495508348 2.82798570792e-05
7.87419271 7.85194308732 7.87414141548 0.022249622678 5.12945163562e-05
5.86444475 5.84804463586 5.86440705972 0.0164001141385 3.76902776917e-05
6.08520536 6.06799749816 6.08516612459 0.0172078618373 3.92354105516e-05
6.83209126 6.81277770693 6.83204726486 0.0193135530656 4.39951373323e-05
6.8014224 6.78229521146 6.80137860789 0.019127188536 4.37921120398e-05
6.9624177 6.94273165916 6.96237246393 0.0196860408439 4.52360722294e-05
11.67063813 11.6433908854 11.6705701976 0.0272472446452 6.79323798654e-05
3.45679714 3.45044589871 3.45678010104 0.00635124128531 1.70389613894e-05
3.4519806 3.44337092866 3.45195944721 0.00860967133935 2.11527918035e-05
3.30825832 3.29916604259 3.30823671138 0.00909227741159 2.16086193072e-05
2.9668771 2.95849749839 2.96685741344 0.00837960160955 1.96865570703e-05
2.49573264 2.48870527591 2.49571611423 0.00702736409201 1.65257680584e-05
1.92847451 1.92309522974 1.9284617889 0.00537928025963 1.27211039433e-05
1.31889878 1.31524132394 1.31889008427 0.00365745606151 8.6957250911e-06
0.75764374 0.755614249694 0.757638868809 0.00202949030584 4.87119132697e-06
0.36938896 0.368510703628 0.369386805743 0.000878256371705 2.1542567667e-06
0.17483151 0.174473563334 0.17483061014 0.000357946666155 8.998600457e-07
0.07437777 0.07421297798 0.0743773525388 0.000164792019997 4.17461173019e-07
0.03247312 0.0324008434155 0.0324729454377 7.22765845268e-05 1.74562316858e-07
0.05025534 0.0502693282975 0.0502505351925 1.39882975474e-05 4.80480749777e-06
0.07206652 0.072098418847 0.0720655649559 3.18988469582e-05 9.55044144754e-07
0.08607958 0.0861158389729 0.0860775178226 3.62589729236e-05 2.06217735607e-06
0.09559369 0.0956266685277 0.0955877464703 3.29785277401e-05 5.94352967188e-06
0.09932799 0.0993584121754 0.0993198850923 3.04221753899e-05 8.10490771488e-06
0.09573521 0.0957683801697 0.0957293281593 3.31701696753e-05 5.88184072189e-06
0.08827028 0.0883058758538 0.0882673717799 3.55958538031e-05 2.90822014752e-06
0.07850298 0.0785370829434 0.0785016166632 3.41029433869e-05 1.36333679983e-06
0.06626014 0.0662897724543 0.0662594175501 2.96324542972e-05 7.22449864793e-07
0.05267727 0.0527011949978 0.0526768772424 2.39249977905e-05 3.9275758737e-07
0.03976533 0.0397835736578 0.0397651237952 1.82436577892e-05 2.06204766172e-07
0.02905688 0.0290702605864 0.0290567538355 1.33805863786e-05 1.26164529254e-07
0.02095184 0.0209613925027 0.0209517033473 9.55250265848e-06 1.36652688301e-07
0.01522094 0.015227490479 0.0152206468725 6.55047904712e-06 2.93127538265e-07
0.01103543 0.0110389079074 0.0110345782759 3.47790744802e-06 8.51724114168e-07
0.00758662 0.00758504001911 0.00758404740376 1.5799808878e-06 2.57259623957e-06
0.00553881 0.00552673575186 0.00553146232254 1.20742481366e-05 7.34767746248e-06
0.00757504 0.00755456506454 0.00756300524589 2.04749354635e-05 1.20347541122e-05
0.01215974 0.0121319254526 0.0121429513825 2.7814547396e-05 1.6788617463e-05
0.01947058 0.0194319366815 0.0194466507632 3.86433184544e-05 2.39292367534e-05
0.03188697 0.031828495951 0.031850186582 5.84740489674e-05 3.67834180324e-05
0.052338 0.0522385579677 0.0523377494331 9.94420323135e-05 2.50566904066e-07
0.08679339 0.0866118434964 0.0867929435987 0.000181546503564 4.46401264259e-07
0.14637622 0.146040018017 0.146375403909 0.000336201982692 8.1609056754e-07
0.24979659 0.249183575612 0.249795109193 0.000613014387861 1.48080736301e-06
0.42067903 0.41959007202 0.420676419546 0.00108895798014 2.61045407762e-06
0.70903721 0.707128781726 0.7090326505 0.00190842827437 4.55950047895e-06
1.09675956 1.09369268831 1.0967522501 0.00306687168513 7.30989585351e-06
1.68353286 1.67877964681 1.68352154309 0.00475321318802 1.13169114955e-05
2.38717474 2.3805459931 2.38715898789 0.00662874689593 1.57521076338e-05
3.08923637 3.08075177729 3.0892163627 0.00848459270836 2.00072980423e-05
3.81647471 3.80595970524 3.81645023802 0.0105150047579 2.44719803746e-05
4.46762787 4.45521466942 4.46759940582 0.0124132005818 2.84641766539e-05
5.05801658 5.04384010694 5.05798450485 0.0141764730568 3.20751516911e-05
5.49334747 5.47786715962 5.49331279511 0.0154803103803 3.46748907694e-05
5.76385904 5.74757665934 5.7638227946 0.0162823806592 3.62454045062e-05
5.93848964 5.92169842602 5.93845238265 0.0167912139803 3.725734756e-05
6.044402 6.02731071819 6.0443640822 0.0170912818121 3.79177979433e-05
6.08239002 6.06519666883 6.08235179038 0.0171933511702 3.82296226942e-05
6.09912411 6.08188896089 6.09908565862 0.017235149113 3.84513779332e-05
6.21814596 6.20059701761 6.21810660111 0.0175489423925 3.93588931846e-05
6.32906461 6.31122600518 6.32902429143 0.0178386048227 4.0318565377e-05
6.31268965 6.29488538949 6.31264909931 0.0178042605122 4.05506862586e-05
6.28164086 6.26391438129 6.28160019897 0.0177264787105 4.06610298507e-05
6.27558831 6.25787955725 6.27554741828 0.0177087527452 4.08917230743e-05
6.2891467 6.27140173548 6.28910544514 0.0177449645226 4.12548600419e-05
6.39119393 6.37316902862 6.39115171893 0.0180249013824 4.22110709817e-05
6.49067831 6.47236322218 6.49063511563 0.0183150878195 4.31943719859e-05
6.59885087 6.58021899921 6.59880664618 0.018631870787 4.42238199794e-05
6.67240573 6.65355560718 6.67236075462 0.0188501228237 4.49753829983e-05
6.68212934 6.66324492125 6.68208407346 0.0188844187483 4.52665385389e-05
6.68032128 6.66144536203 6.68027583831 0.0188759179695 4.54416892053e-05
6.6063887 6.58772258989 6.60634356109 0.0186661101058 4.51389085203e-05
6.49313824 6.47479165466 6.49309367419 0.0183465853363 4.45658143304e-05
6.38420438 6.36616679533 6.38416036431 0.0180375846724 4.40156859902e-05
6.27380798 6.2560773131 6.27376453277 0.0177306669028 4.34472306683e-05
6.25069144 6.23302592334 6.25064799131 0.0176655166598 4.34486878556e-05
6.2444364 6.2267850612 6.24439282897 0.0176513387989 4.35710308402e-05
6.19092843 6.17341981029 6.19088510583 0.0175086197127 4.33241671036e-05
6.17513448 6.15766786445 6.17509121352 0.0174666155489 4.32664784276e-05
6.16090188 6.14347743765 6.1608587462 0.0174244423517 4.31337954794e-05
6.15100339 6.13361963583 6.15096045332 0.0173837541666 4.2936675074e-05
6.15338819 6.13601552738 6.15334548079 0.0173726626171 4.27092107627e-05
6.20198806 6.18447956626 6.2019452595 0.0175084937434 4.2800503719e-05
6.35857027 6.34059808158 6.35852655338 0.0179721884185 4.37166158322e-05
6.5516703 6.53313971263 6.55162531745 0.0185305873655 4.4982550599e-05
6.68136966 6.66247384559 6.68132377361 0.0188958144111 4.58863883352e-05
6.75025817 6.73117344404 6.75021172389 0.0190847259642 4.64461108702e-05
6.77735358 6.75819912015 6.77730679096 0.019154459845 4.67890387199e-05
6.73693688 6.7178985443 6.73689018063 0.0190383357017 4.6699365174e-05
6.60958671 6.59090041374 6.60954070984 0.0186862962588 4.60001589015e-05
6.53417397 6.51569778721 6.53412835937 0.0184761827851 4.56106280442e-05
6.52366984 6.50522429447 6.5236241932 0.018445545525 4.56468027323e-05
6.58028582 6.56168666008 6.58023963654 0.0185991599199 4.61834566234e-05
6.69184676 6.67295138801 6.69179960519 0.0188953719858 4.71548080601e-05
6.75428086 6.73521513756 6.75423298693 0.0190657224434 4.78730695166e-05
6.79386823 6.77467777442 6.79381977276 0.0191904555793 4.84572392772e-05
6.80672593 6.78748120189 6.80667713512 0.0192447281085 4.87948765659e-05
6.76855809 6.74941185155 6.76850944966 0.0191462384461 4.86403420927e-05
6.61176719 6.59307167017 6.61171974309 0.0186955198293 4.74469118306e-05
6.41890484 6.40078791201 6.41885905548 0.0181169279864 4.57845213226e-05
6.30106018 6.2833103165 6.30101563949 0.0177498635041 4.45405113059e-05
6.17071351 6.15335999537 6.17067035782 0.0173535146305 4.31521776436e-05
6.03143033 6.01448539048 6.03138861142 0.0169449395238 4.1718582434e-05
5.92619517 5.90954275034 5.92615459615 0.0166524196558 4.05738498381e-05
5.735221 5.71915855177 5.73518228584 0.0160624482301 3.87141626916e-05
5.37011498 5.35532971096 5.37007981629 0.0147852690418 3.51637134894e-05
4.91509924 4.90224886272 4.91506919577 0.0128503772753 3.00442307744e-05
60.86611448 60.6944738381 60.8659024111 0.17164064189 0.000212068857081
65.00396524 64.8202366202 65.0037471874 0.183728619792 0.000218052566382
11.70227114 11.6760986793 11.7022082143 0.0261724607093 6.29257459153e-05
5.50413353 5.4885744133 5.50409521273 0.0155591167006 3.83172659424e-05
5.47655607 5.46106562396 5.47651787459 0.0154904460401 3.81954062751e-05
5.83137278 5.81561668406 5.83133420368 0.0157560959433 3.8576320164e-05
5.65779876 5.64191302668 5.65776038601 0.0158857333153 3.83739878709e-05
5.40287685 5.38814138528 5.40284052906 0.014735464719 3.63209428231e-05
4.66785633 4.65683400615 4.66782769332 0.011022323853 2.86366847817e-05
4.24093115 4.23371409272 4.24091029591 0.00721705728293 2.08540947462e-05
7.57240563 7.57584479421 7.57240576206 0.00343916421032 1.32063957992e-07
6.46529984 6.46793529995 6.46529912856 0.00263545994714 7.11441278334e-07
5.8964878 5.89892084182 5.89648718904 0.00243304182033 6.10964992376e-07
7.49770037 7.50116687193 7.49770083908 0.00346650192971 4.69083195398e-07
Raw
input.txt
45.5700962339021, -122.6853946131865 : 273.31914977
45.57009832937789, -122.6854449884246 : 3.93925768
45.56990969464702, -122.6856359281788 : 25.72370334
45.56989473294986, -122.6857026481281 : 5.46728098
45.56992042348308, -122.6858023927758 : 8.29325257
45.56995126888675, -122.6859185659538 : 9.69501709
45.56993169714284, -122.6859903150449 : 6.00842669
45.56993563663733, -122.6860557777087 : 5.12883773
45.56993563663733, -122.6860557777087 : 0.00000000
45.56993563663733, -122.6860557777087 : 0.00000000
45.56994758084935, -122.6861539297948 : 7.77605309
45.56995055642498, -122.686241688321 : 6.85854079
45.56996074043733, -122.6862999425481 : 4.68616224
45.56996266827506, -122.6864007768432 : 7.87419271
45.56995751340461, -122.6864755434195 : 5.86444475
45.56995793249977, -122.686553495119 : 6.08520536
45.56995680094284, -122.6866410021881 : 6.83209126
45.56996103380394, -122.686727922524 : 6.80142240
45.56996019561362, -122.6868171059738 : 6.96241770
45.57000079863865, -122.6869549825362 : 11.67063813
45.56998375602619, -122.6869920256368 : 3.45679714
45.56997387472085, -122.6870339492523 : 3.45198060
45.56996924493585, -122.6870758136157 : 3.30825832
45.56996833665832, -122.6871137985246 : 2.96687710
45.56996971587683, -122.6871457095226 : 2.49573264
45.56997159759642, -122.687170268369 : 1.92847451
45.56997313112554, -122.6871870223296 : 1.31889878
45.56997458203318, -122.6871965056674 : 0.75764374
45.56997580993276, -122.687200902896 : 0.36938896
45.56997657497122, -122.6872028598386 : 0.17483151
45.56997686327414, -122.6872037196939 : 0.07437777
45.56997673847277, -122.6872040958284 : 0.03247312
45.56997629959682, -122.6872042507816 : 0.05025534
45.56997565379979, -122.6872043336278 : 0.07206652
45.56997488496294, -122.6872044666717 : 0.08607958
45.56997404123992, -122.6872047044842 : 0.09559369
45.56997316992028, -122.6872049874375 : 0.09932799
45.56997232474715, -122.6872052241514 : 0.09573521
45.56997153853165, -122.6872053841431 : 0.08827028
45.56997083594, -122.6872054873996 : 0.07850298
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45.56996976888139, -122.6872056022504 : 0.05267727
45.56996941165285, -122.6872056306641 : 0.03976533
45.56996915055676, -122.6872056496693 : 0.02905688
45.56996896242653, -122.6872056667565 : 0.02095184
45.56996882629132, -122.6872056879855 : 0.01522094
45.56996872934864, -122.6872057185458 : 0.01103543
45.56996866851934, -122.6872057626426 : 0.00758662
45.56996864644325, -122.6872058262554 : 0.00553881
45.5699686597418, -122.6872059214296 : 0.00757504
45.56996870402428, -122.6872060638709 : 0.01215974
45.56996879256923, -122.6872062790917 : 0.01947058
45.5699689500425, -122.6872066205456 : 0.03188697
45.56996919974744, -122.6872071889932 : 0.05233800
45.56996956857817, -122.6872081690251 : 0.08679339
45.56997009691155, -122.6872098866667 : 0.14637622
45.56997085349186, -122.6872128999045 : 0.24979659
45.56997187319425, -122.6872180897268 : 0.42067903
45.56997317108597, -122.6872269828217 : 0.70903721
45.569974142297, -122.6872409645496 : 1.09675956
45.56997355643217, -122.6872625151606 : 1.68353286
45.5699708756333, -122.6872928567163 : 2.38717474
45.56996650381304, -122.6873319385195 : 3.08923637
45.56996139994354, -122.6873802860648 : 3.81647471
45.56995647588118, -122.6874370871875 : 4.46762787
45.56995250191979, -122.6875016349494 : 5.05801658
45.56994979772277, -122.6875719015846 : 5.49334747
45.56994824794217, -122.6876457060116 : 5.76385904
45.56994772477547, -122.6877217768594 : 5.93848964
45.56994816539452, -122.6877992055935 : 6.04440200
45.56994916851942, -122.6878771104202 : 6.08239002
45.56995053010429, -122.6879552186545 : 6.09912411
45.56995285256555, -122.688034806999 : 6.21814596
45.56995589581769, -122.6881157690569 : 6.32906461
45.56995862250716, -122.6881965439672 : 6.31268965
45.56996105141672, -122.6882769400259 : 6.28164086
45.56996350690263, -122.688357256839 : 6.27558831
45.56996603954894, -122.6884377426579 : 6.28914670
45.56996885444423, -122.6885195183285 : 6.39119393
45.56997144128498, -122.6886025849741 : 6.49067831
45.56997369859448, -122.6886870578498 : 6.59885087
45.56997557474231, -122.6887724923616 : 6.67240573
45.56997713903236, -122.6888580642071 : 6.68212934
45.56997888052953, -122.6889436059418 : 6.68032128
45.56998065400369, -122.6890281988208 : 6.60638870
45.56998238516734, -122.6891113420651 : 6.49313824
45.56998415067957, -122.6891930877091 : 6.38420438
45.56998565764209, -122.6892734291246 : 6.27380798
45.56998715809137, -122.6893534745498 : 6.25069144
45.56998847548349, -122.6894334463548 : 6.24443640
45.56998912939893, -122.689512749229 : 6.19092843
45.56998930140672, -122.6895918548622 : 6.17513448
45.56998874074746, -122.6896707745121 : 6.16090188
45.5699872536185, -122.6897495429423 : 6.15100339
45.56998504653367, -122.6898283077153 : 6.15338819
45.5699827835526, -122.6899076923739 : 6.20198806
45.56998137812487, -122.689989123692 : 6.35857027
45.56998113770319, -122.6900730525849 : 6.55167030
45.56998170932534, -122.6901586398085 : 6.68136966
45.56998286190781, -122.6902450978193 : 6.75025817
45.56998444590236, -122.6903318892093 : 6.77735358
45.56998612649149, -122.6904181589641 : 6.73693688
45.56998734078779, -122.6905028128352 : 6.60958671
45.56998832411767, -122.6905865065816 : 6.53417397
45.56998938773729, -122.6906700637534 : 6.52366984
45.56999087728256, -122.6907543332384 : 6.58028582
45.5699932154828, -122.6908399938812 : 6.69184676
45.56999578480331, -122.6909264416311 : 6.75428086
45.56999792082926, -122.6910134207246 : 6.79386823
45.56999919345692, -122.691100598855 : 6.80672593
45.56999942767389, -122.6911873062265 : 6.76855809
45.56999832707675, -122.6912719911865 : 6.61176719
45.56999580914957, -122.6913541418114 : 6.41890484
45.56999243584918, -122.6914347179699 : 6.30106018
45.56998852907314, -122.6915135714016 : 6.17071351
45.56998440430071, -122.6915906129906 : 6.03143033
45.56998041573688, -122.6916663172904 : 5.92619517
45.56997568967605, -122.6917394790434 : 5.73522100
45.56996840780438, -122.6918074866712 : 5.37011498
45.56995715981859, -122.6918683804269 : 4.91509924
45.56993055157956, -122.6910895813627 : 60.86611448
45.56994173649939, -122.6919221566045 : 65.00396524
45.569986305242, -122.6920579747508 : 11.70227114
45.56998743679893, -122.6921284665565 : 5.50413353
45.56998726916087, -122.692198623086 : 5.47655607
45.56997700132948, -122.6922718809197 : 5.83137278
45.56998102464301, -122.6923441329251 : 5.65779876
45.56998953227473, -122.6924122777979 : 5.40287685
45.5700053321622, -122.6924676821778 : 4.66785633
45.57002762802464, -122.6925117709885 : 4.24093115
45.57009560525936, -122.692505233104 : 7.57240563
45.57015323084367, -122.6925165486733 : 6.46529984
45.57020582728607, -122.6925264393191 : 5.89648780
45.57027321778757, -122.6925220807294 : 7.49770037
45.57033348367137, -122.6925216616343 : 6.69820570
45.57039467156452, -122.6925255173097 : 6.80725771
45.57043964047504, -122.6925287024329 : 5.00415630
45.57046818085534, -122.6925266069571 : 3.17627579
Raw
process.py
"""
Usage:
./process.py input.txt
"""
import fileinput
from geopy import distance
prevloc = None
for line in fileinput.input():
coords, dist = line.split(' : ')
lat, lng = coords.split(',')
lat = float(lat)
lng = float(lng)
dist = float(dist)
loc = (lat, lng)
if prevloc is not None:
gc = distance.great_circle(prevloc, loc, radius=6371.0072).m
vc = distance.vincenty(prevloc, loc).m
print ','.join([str(dist), str(gc), str(vc), str(abs(gc-dist)), str(abs(vc-dist))])
else:
print "ios_distanceFromLocation,geopy_great_circle,geopy_vincenty,great_circle_difference,vincenty_difference"
prevloc = loc
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