maqadeersaeed

    ==== J A V A ==================================
    /**
     * Determines the angle of a straight line drawn between point one and two. The number returned, which is a double in degrees, tells us how much we have to rotate a horizontal line clockwise for it to match the line between the two points.
     * If you prefer to deal with angles using radians instead of degrees, just change the last line to: "return Math.atan2(yDiff, xDiff);"
     */
    public static double GetAngleOfLineBetweenTwoPoints(Point.Double p1, Point.Double p2)
    {
        double xDiff = p2.x - p1.x;
        double yDiff = p2.y - p1.y;
        return Math.toDegrees(Math.atan2(yDiff, xDiff));

maqadeersaeed

// Requires:
// Leaflet: http://leafletjs.com/
// Leaflet.curve: https://github.com/elfalem/Leaflet.curve
// 
// Assumes:
// var map is a Leaflet map and already set up.

var latlngs = [];

var latlng1 = [LATITUDE, LONGTITUDE],