Created
August 28, 2017 04:58
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calculate-distance-in-meters-when-you-know-longitude-and-latitude-in-java
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public static float distFrom(float lat1, float lng1, float lat2, float lng2) { | |
double earthRadius = 6371000; //meters | |
double dLat = Math.toRadians(lat2-lat1); | |
double dLng = Math.toRadians(lng2-lng1); | |
double a = Math.sin(dLat/2) * Math.sin(dLat/2) + | |
Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) * | |
Math.sin(dLng/2) * Math.sin(dLng/2); | |
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); | |
float dist = (float) (earthRadius * c); | |
return dist; | |
} |
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