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php Programming Glossary: lon2Calculate “as the crow flies” distance php http://stackoverflow.com/questions/13845152/calculate-as-the-crow-flies-distance-php question Distance between 2 points lat1 lon1 to lat2 lon2 distance acos cos lat1 PI 180 cos lon1 PI 180 cos lat2 PI 180.. acos cos lat1 PI 180 cos lon1 PI 180 cos lat2 PI 180 cos lon2 PI 180 cos lat1 PI 180 sin lon1 PI 180 cos lat2 PI 180 sin.. 180 cos lat1 PI 180 sin lon1 PI 180 cos lat2 PI 180 sin lon2 PI 180 sin lat1 PI 180 sin lat2 PI 180 3959 3959 is the Earth..
Calculate driving directions using PHP? http://stackoverflow.com/questions/1800510/calculate-driving-directions-using-php yourclient output json q from . lat1. . lon1. to . lat2. . lon2 result file_get_contents url data json_decode utf8_encode result..
Calculating Great-Circle Distance with SQLite http://stackoverflow.com/questions/2083182/calculating-great-circle-distance-with-sqlite link . function sqlite3_distance_func lat1 lon1 lat2 lon2 convert lat1 and lat2 into radians now to avoid doing it twice.. lat1rad sin lat2rad cos lat1rad cos lat2rad cos deg2rad lon2 deg2rad lon1 6378.1 db sqliteCreateFunction 'DISTANCE' 'sqlite3_distance_func'..
php mysql compare long and lat, return ones under 10 miles http://stackoverflow.com/questions/2296824/php-mysql-compare-long-and-lat-return-ones-under-10-miles result echo location 'name' . is echo distance lat2 lon2 location 'lat' location 'lon' echo miles form your house is.. is it with a 10 mile radius if is_within_10_miles lat2 lon2 location 'lat' location 'lon' echo yeah else echo no echo br..
PHP MySQL get locations in radius user's location from GPS http://stackoverflow.com/questions/3349808/php-mysql-get-locations-in-radius-users-location-from-gps in miles sqrt x x y y where x 69.1 lat2 lat1 and y 53.0 lon2 lon1 You can improve the accuracy of this approximate distance.. in miles sqrt x x y y where x 69.1 lat2 lat1 and y 69.1 lon2 lon1 cos lat1 57.3 Source http www.meridianworlddata.com Distance..
http://stackoverflow.com/questions/3606139/php-mysql-and-geolocation between 2 points. function distance lat1 lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2.. function distance lat1 lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos.. in miles sqrt x x y y where x 69.1 lat2 lat1 and y 53.0 lon2 lon1 You can improve the accuracy of this approximate distance..
Geo-Search (Distance) in PHP/MySQL (Performance) http://stackoverflow.com/questions/5236921/geo-search-distance-in-php-mysql-performance as Lat Long in KM function VincentyDistance lat1 lat2 lon1 lon2 a 6378137 21 sin lat1 b 6356752.3142 f 1 298.257223563 p1_lat.. p2_lat lat2 57.29577951 p1_lon lon1 57.29577951 p2_lon lon2 57.29577951 L p2_lon p1_lon U1 atan 1 f tan p1_lat U2 atan 1..
Great Circle Distance question http://stackoverflow.com/questions/772878/great-circle-distance-question Circle Distance between two points. i.e. php theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos..
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