Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static double distance(double lat1, double lon1, double lat2, double lon2) {

        Double theta = lon1 - lon2;
        Double dist = (Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2)))
                + (Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.cos(deg2rad(theta)));

        dist = Math.acos(dist);
        dist = rad2deg(dist);
        dist = dist * 60 * 1.1515; // M

        // dist = dist * 1.609344 * 1000; // m
        dist = dist * 1.609344; // km
        // dist = dist * 0.8684; //n

        return dist;
    }

    private static double deg2rad(double deg) {
        return (deg * Math.PI / 180.0);
    }

    private static double rad2deg(double rad) {
        return (rad * 180.0 / Math.PI);
    }
}