Created
December 11, 2015 17:06
-
-
Save kuratowsky/ee8243e20c84971d6c29 to your computer and use it in GitHub Desktop.
Cálculo de distancia expresada en km, entre dos coordenadas GPS.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function calcDistance(lat1, lon1, lat2, lon2){ | |
rad = function(x) {return x*Math.PI/180;} | |
var R = 6378.137;//Radio de la tierra en km | |
var dLat = rad(lat2-lat1); | |
var dLong = rad(lon2-lon1); | |
var a = Math.sin(dLat/2) * Math.sin(dLat/2) + Math.cos(rad(lat1)) * Math.cos(rad(lat2)) * Math.sin(dLong/2) * Math.sin(dLong/2); | |
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); | |
var d = R * c; | |
return d.toFixed(3); //Retorna número de KM entre els punts (tres decimales) | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment