Java Distance Calculate distFrom(double lat1, double lng1, double lat2, double lng2)

Description

Returns the distance between 2 points in meters

License

Apache License

Parameter

Parameter	Description
lat1	a parameter
lng1	a parameter
lat2	a parameter
lng2	a parameter

Return

meters

Declaration

public static double distFrom(double lat1, double lng1, double lat2, double lng2) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**//from  w  w  w.ja  va2  s. co m
     * Returns the distance between 2 points in meters
     *
     * @param lat1
     * @param lng1
     * @param lat2
     * @param lng2
     * @return meters
     */
    public static double distFrom(double lat1, double lng1, double lat2, double lng2) {
        double earthRadius = 3958.75;
        double dLat = Math.toRadians(lat2 - lat1);
        double dLng = Math.toRadians(lng2 - lng1);
        double sindLat = Math.sin(dLat / 2);
        double sindLng = Math.sin(dLng / 2);
        double a = Math.pow(sindLat, 2)
                + Math.pow(sindLng, 2) * Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2));
        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
        double dist = earthRadius * c;
        int meterConversion = 1609;
        float totalMeters = (float) (dist * meterConversion);
        return totalMeters;
    }
}

Related

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2. distBetweenSq(double x1, double y1, double z1, double x2, double y2, double z2)
3. distence(double lat1, double lon1, double lat2, double lon2, double radius)
4. distEucl(float[] x1, float[] x2)
5. distExtraBits(int dist)
6. distFrom(double lat1, double lng1, double lat2, double lng2)
7. distHalf(double angA, double angB)
8. distHaversineRAD(double lat1, double lon1, double lat2, double lon2)
9. distinctFrom(String string, String other)