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Haversign Formula for Distance

M M Kamalraj answered on August 10, 2022 Popularity 1/10 Helpfulness 1/10

answer Haversign Formula for Distance

Haversign Formula for Distance

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rad = function(x) {return x*Math.PI/180;}
distHaversine = function(p1, p2) {
var R = 6371; // earth's mean radius in km
var dLat  = rad(p2.lat() - p1.lat());
var dLong = rad(p2.lng() - p1.lng());

var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(rad(p1.lat())) * Math.cos(rad(p2.lat())) * Math.sin(dLong/2) * Math.sin(dLong/2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var dist = R * c;

return dist.toFixed(3);
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: 127.0.0.1

Tags: distance formula javascript

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Contributed on Aug 10 2022

M M Kamalraj

0 Answers Avg Quality 2/10

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