php Programming Glossary: vincenty

Measuring the distance between two coordinates in PHP

http://stackoverflow.com/questions/10053358/measuring-the-distance-between-two-coordinates-in-php

for small distances . To get around them you could use the Vincenty formula instead. Calculates the great circle distance between.. the great circle distance between two points with the Vincenty formula. @param float latitudeFrom Latitude of start point in..

Formulas to Calculate Geo Proximity

http://stackoverflow.com/questions/2096385/formulas-to-calculate-geo-proximity

and formulas such as the Spherical Law of Cosines and the Vincenty's formulae which seems to be the most accurate and that makes.. I tested the following Great Circle Distance Formulas Vincenty Formula Haversine Formula Spherical Law of Cosines The Vincenty.. Formula Haversine Formula Spherical Law of Cosines The Vincenty Formula is dead slow however it's pretty accurate down to 0.5..

Geo-Search (Distance) in PHP/MySQL (Performance)

http://stackoverflow.com/questions/5236921/geo-search-distance-in-php-mysql-performance

think haversine is accurate enough then there's also the Vincenty formula. Vincenty formula to calculate great circle distance.. is accurate enough then there's also the Vincenty formula. Vincenty formula to calculate great circle distance between 2 locations.. between 2 locations expressed as Lat Long in KM function VincentyDistance lat1 lat2 lon1 lon2 a 6378137 21 sin lat1 b 6356752.3142..