php Programming Glossary: radians

http://stackoverflow.com/questions/3986556/distance-calculations-in-mysql-queries

LonB double RETURNS double DETERMINISTIC BEGIN SET @RlatA radians latA SET @RlonA radians lonA SET @RlatB radians latB SET @RlonB.. DETERMINISTIC BEGIN SET @RlatA radians latA SET @RlonA radians lonA SET @RlatB radians latB SET @RlonB radians LonB SET @deltaLat.. SET @RlatA radians latA SET @RlonA radians lonA SET @RlatB radians latB SET @RlonB radians LonB SET @deltaLat @RlatA @RlatB SET..

Get Nearest Places Google Maps (MySQL Spatial Data)

http://stackoverflow.com/questions/4645490/get-nearest-places-google-maps-mysql-spatial-data

latitude and longitude. SELECT item1 item2 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians.. SELECT item1 item2 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians.. item1 item2 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians lat AS distance..

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

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

query where I join multiple tables SELECT id 6371 acos sin radians 52.4042924 sin radians lat cos radians 50.281852 cos radians.. tables SELECT id 6371 acos sin radians 52.4042924 sin radians lat cos radians 50.281852 cos radians lat cos radians 2.504883.. id 6371 acos sin radians 52.4042924 sin radians lat cos radians 50.281852 cos radians lat cos radians 2.504883 radians lon AS..

MySQL Great Circle Distance (Haversine formula)

http://stackoverflow.com/questions/574691/mysql-great-circle-distance-haversine-formula

of miles replace 3959 with 6371. SELECT id 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37.. 3959 with 6371. SELECT id 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians lat.. SELECT id 3959 acos cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians lat AS distance FROM..

Formulas to Calculate Geo Proximity

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

Spherical Law of Cosines like this one 3956 ACOS COS RADIANS o_lat COS RADIANS d_lat COS RADIANS d_lon RADIANS o_lon SIN.. of Cosines like this one 3956 ACOS COS RADIANS o_lat COS RADIANS d_lat COS RADIANS d_lon RADIANS o_lon SIN RADIANS o_lat SIN.. this one 3956 ACOS COS RADIANS o_lat COS RADIANS d_lat COS RADIANS d_lon RADIANS o_lon SIN RADIANS o_lat SIN RADIANS d_lat That..

select within 20 kilometers based on latitude/longitude

http://stackoverflow.com/questions/6919661/select-within-20-kilometers-based-on-latitude-longitude

SELECT FROM mytable m JOIN mytable mn ON ACOS COS RADIANS m.latitude COS RADIANS mn.latitude COS RADIANS mn.longitude.. m JOIN mytable mn ON ACOS COS RADIANS m.latitude COS RADIANS mn.latitude COS RADIANS mn.longitude RADIANS m.longitude SIN.. ON ACOS COS RADIANS m.latitude COS RADIANS mn.latitude COS RADIANS mn.longitude RADIANS m.longitude SIN RADIANS m.latitude SIN..

MySQL - selecting near a spatial point

http://stackoverflow.com/questions/9377960/mysql-selecting-near-a-spatial-point

LineString Point @lat 10 111.1 @lon 10 111.1 COS RADIANS @lat Point @lat 10 111.1 @lon 10 111.1 COS RADIANS @lat..