public void TestInitialBearing() { Initialize(); var result = ArnosGrove.InitialBearing(FiveKilometresEast); var errorDelta = 90 * errorPercent; Assert.AreEqual(result, 90, errorDelta); }
/// <summary> /// Returns final bearing arriving at supplied destination position from this position; the /// final bearing will differ from the initial bearing by varying degrees according to /// distance and latitude. /// </summary> /// <param name="toPosition">The destination position</param> /// <returns>Final bearing, in degrees clockwise from True North</returns> public static double FinalBearing(this BasicGeoposition thisPoint, BasicGeoposition toPoint) { var initialBearing = toPoint.InitialBearing(thisPoint); return((initialBearing + 180) % 360); }
/// <summary> /// Returns final bearing arriving at supplied destination position from this position; the /// final bearing will differ from the initial bearing by varying degrees according to /// distance and latitude. /// </summary> /// <param name="toPosition">The destination position</param> /// <returns>Final bearing, in degrees clockwise from True North</returns> public static double FinalBearing(this BasicGeoposition thisPoint, BasicGeoposition toPoint) { var initialBearing = toPoint.InitialBearing(thisPoint); return (initialBearing + 180) % 360; }