php Programming Glossary: spherical

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

SIN PI COS I've also seen variations from the same formula Spherical Law of Cosines like this one 3956 ACOS COS RADIANS o_lat COS.. come across some more variations and formulas such as the Spherical Law of Cosines and the Vincenty's formulae which seems to be.. Distance Formulas Vincenty Formula Haversine Formula Spherical Law of Cosines The Vincenty Formula is dead slow however it's..

Optimising a haversine formula SQL call in PHP

http://stackoverflow.com/questions/2226489/optimising-a-haversine-formula-sql-call-in-php

math share improve this question You're using the Spherical Law of Cosines formula not the Haversine Formula which is slightly..

How to check whether Suhosin is installed?

http://stackoverflow.com/questions/3383916/how-to-check-whether-suhosin-is-installed

Get results from mysql based on latitude longidude

http://stackoverflow.com/questions/3528754/get-results-from-mysql-based-on-latitude-longidude

this question You can calculate a distance using a Spherical law of cosines SELECT DEGREES ACOS SIN RADIANS clients.latitude..

Calculate lat/lng of corners of ground overlay from kml-file

http://stackoverflow.com/questions/1624574/calculate-lat-lng-of-corners-of-ground-overlay-from-kml-file

kml share improve this question You need to use spherical trigonometry part of spherical geometry for full accuracy. However.. question You need to use spherical trigonometry part of spherical geometry for full accuracy. However since you are dealing with..

Calculating Great-Circle Distance with SQLite

http://stackoverflow.com/questions/2083182/calculating-great-circle-distance-with-sqlite

below lat1rad deg2rad lat1 lat2rad deg2rad lat2 apply the spherical law of cosines to our latitudes and longitudes and set the result..

Formulas to Calculate Geo Proximity

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

an ellipsoidal approximation of the earth instead of a spherical one. php mysql math geospatial geo share improve this question.. may work just fine for you. Both these formulas assume spherical earth whereas Vicenty's iterative solution most accurate assumes..

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

unit 'km' radius of earth @note the earth is not perfectly spherical but this is considered the 'mean radius' if unit 'km' radius.. PDO ... This will not be exact. We can't do exact spherical calculations in the DB so we've taken the upper lower latitude.. unit 'km' radius of earth @note the earth is not perfectly spherical but this is considered the 'mean radius' if unit 'km' radius..