Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    /**
     * Calculate the azimuth to the target location from local.
     */
    private static int getPosDirection(final double startlat, final double startlong, final double endlat,
            final double endlon) {
        double slat = Math.toRadians(startlat);
        double elat = Math.toRadians(endlat);
        double slng = Math.toRadians(startlong);
        double elng = Math.toRadians(endlon);
        double Y = Math.sin(elng - slng) * Math.cos(elat);
        double X = Math.cos(slat) * Math.sin(elat) - Math.sin(slat) * Math.cos(elat) * Math.cos(elng - slng);
        double deg = Math.toDegrees(Math.atan2(Y, X));
        double angle = (deg + 360) % 360;
        return (int) (Math.abs(angle) + (1 / 7200));
    }
}