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php Programming Glossary: lat1

Calculate driving directions using PHP?

http://stackoverflow.com/questions/1800510/calculate-driving-directions-using-php

maps nav client yourclient output json q from . lat1. . lon1. to . lat2. . lon2 result file_get_contents url data..

PHP MySql and geolocation

http://stackoverflow.com/questions/3606139/php-mysql-and-geolocation

the distance between 2 points. function distance lat1 lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin.. lat1 lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad.. lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad theta dist acos dist dist rad2deg..

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

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

expressed as Lat Long in KM function VincentyDistance lat1 lat2 lon1 lon2 a 6378137 21 sin lat1 b 6356752.3142 f 1 298.257223563.. VincentyDistance lat1 lat2 lon1 lon2 a 6378137 21 sin lat1 b 6356752.3142 f 1 298.257223563 p1_lat lat1 57.29577951 p2_lat.. 21 sin lat1 b 6356752.3142 f 1 298.257223563 p1_lat lat1 57.29577951 p2_lat lat2 57.29577951 p1_lon lon1 57.29577951..

Great Circle Distance question

http://stackoverflow.com/questions/772878/great-circle-distance-question

two points. i.e. php theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad.. lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad theta dist acos dist dist rad2deg..

Finding towns within a 10 mile radius of postcode. Google maps API

http://stackoverflow.com/questions/8135243/finding-towns-within-a-10-mile-radius-of-postcode-google-maps-api

you could use this code public static function getDistance lat1 lng1 lat2 lng2 unit 'km' radius of earth @note the earth is.. 'mi' radius 3958.761 in miles convert degrees to radians lat1 deg2rad float lat1 lng1 deg2rad float lng1 lat2 deg2rad float.. in miles convert degrees to radians lat1 deg2rad float lat1 lng1 deg2rad float lng1 lat2 deg2rad float lat2 lng2 deg2rad..

PHP/MySQL: Select locations close to a given location from DB

http://stackoverflow.com/questions/894713/php-mysql-select-locations-close-to-a-given-location-from-db

the distance between two locations php function distance lat1 long1 lat2 long2 DEGREE TO RADIAN latitude1 lat1 180 pi longitude1.. distance lat1 long1 lat2 long2 DEGREE TO RADIAN latitude1 lat1 180 pi longitude1 long1 180 pi latitude2 lat2 180 pi longitude2..