php Programming Glossary: sin

Measuring the distance between two coordinates in PHP

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

any call to external API. I tried to implement the Haversine Formula in PHP Here is the code class CoordDistance public.. 6372.795477598 alpha delta_lat 2 beta delta_lon 2 a sin deg2rad alpha sin deg2rad alpha cos deg2rad this lat_a cos deg2rad.. alpha delta_lat 2 beta delta_lon 2 a sin deg2rad alpha sin deg2rad alpha cos deg2rad this lat_a cos deg2rad this lat_b..

PHP MySql and geolocation

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

for places within a 25 mile radius of a lat and long using php and mysql. I am wondering how something like this would.. distance lat1 lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2.. lon1 lat2 lon2 unit theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad theta..

Get Nearest Places Google Maps (MySQL Spatial Data)

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

radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians lat AS distance FROM geocodeTable HAVING.. radians lat cos radians lng radians 122 sin radians 37 sin radians lat AS distance FROM geocodeTable HAVING distance 25..

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

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

maybe A PHP library I could use to do the calculations Using APC I could easily fit the lat long pairs into memory those.. How well does MySQL handle Queries like these And then since this is a number crunching task would doing this in PHP be.. query where I join multiple tables SELECT id 6371 acos sin radians 52.4042924 sin radians lat cos radians 50.281852 cos..

MySQL Great Circle Distance (Haversine formula)

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

Great Circle Distance Haversine formula I've got a working PHP script that gets Longitude.. a bit but most of the literature on it is pretty confusing. php mysql great circle share improve this question From.. cos radians 37 cos radians lat cos radians lng radians 122 sin radians 37 sin radians lat AS distance FROM markers HAVING distance..

Great Circle Distance question

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

Distance between two points. i.e. php theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2.. two points. i.e. php theta lon1 lon2 dist sin deg2rad lat1 sin deg2rad lat2 cos deg2rad lat1 cos deg2rad lat2 cos deg2rad theta.. position of the destination point. It's been a long time since I was in a math class. php latitude longitude great circle..

Formulas to Calculate Geo Proximity

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

Search with MySQL paper and uses the following functions ASIN SQRT POWER SIN PI COS I've also seen variations from the same.. paper and uses the following functions ASIN SQRT POWER SIN PI COS I've also seen variations from the same formula Spherical.. o_lat COS RADIANS d_lat COS RADIANS d_lon RADIANS o_lon SIN RADIANS o_lat SIN RADIANS d_lat That uses the following functions..

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

came up with this... SELECT ACOS SIN lat PI 180 SIN lat PI 180 COS lat PI 180 COS lat PI 180 COS.. came up with this... SELECT ACOS SIN lat PI 180 SIN lat PI 180 COS lat PI 180 COS lat PI 180 COS lon lon PI 180.. your edit I think you want something like this SELECT ACOS SIN lat PI 180 SIN lat PI 180 COS lat PI 180 COS lat PI 180 COS..

How to efficiently find the closest locations nearby a given location

http://stackoverflow.com/questions/3922404/how-to-efficiently-find-the-closest-locations-nearby-a-given-location

@deltaLat @RlatA @RlatB SET @deltaLon @RlonA @RlonB SET @d SIN @deltaLat 2 SIN @deltaLat 2 COS @RlatA COS @RlatB SIN @deltaLon.. @RlatB SET @deltaLon @RlonA @RlonB SET @d SIN @deltaLat 2 SIN @deltaLat 2 COS @RlatA COS @RlatB SIN @deltaLon 2 SIN @deltaLon.. @d SIN @deltaLat 2 SIN @deltaLat 2 COS @RlatA COS @RlatB SIN @deltaLon 2 SIN @deltaLon 2 RETURN 2 ASIN SQRT @d 6371.01 END..

distance calculations in mysql queries

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

select within 20 kilometers based on latitude/longitude

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

mn.latitude COS RADIANS mn.longitude RADIANS m.longitude SIN RADIANS m.latitude SIN radians mn.latitude 20 6371.0 WHERE m.name.. mn.longitude RADIANS m.longitude SIN RADIANS m.latitude SIN radians mn.latitude 20 6371.0 WHERE m.name 'grey river' If your.. mn.latitude COS RADIANS mn.longitude RADIANS m.longitude SIN RADIANS m.latitude SIN radians mn.latitude 20 6371.0 WHERE m.name..

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

lat2 180 pi longitude2 long2 180 pi FORMULA e ARCCOS SIN Latitude1 SIN Latitude2 COS Latitude1 COS Latitude2 COS Longitude2.. pi longitude2 long2 180 pi FORMULA e ARCCOS SIN Latitude1 SIN Latitude2 COS Latitude1 COS Latitude2 COS Longitude2 Longitude1..