/// <summary>
/// Calculates the initial angle to travel to get to another position.
/// Calculates on the great circle, therefore the direction to the target is not constant along the path
/// </summary>
/// <param name="position1">The initial position. This argument can be implicitly given</param>
/// <param name="position2">The destination position</param>
/// <returns>The angle to travel</returns>
/// <remarks>If both distance and direction are required, prefer to use <see cref="GreatCircle.DistAndDir(Iot.Device.Common.GeographicPosition,Iot.Device.Common.GeographicPosition,out UnitsNet.Length,out UnitsNet.Angle)"/></remarks>
public static Angle DirectionTo(this GeographicPosition position1, GeographicPosition position2)
{
Angle result;
GreatCircle.DistAndDir(position1, position2, out _, out result);
return(result);
}
/// <summary>
/// Calculate the distance to another position
/// </summary>
/// <param name="position1">The first position. This argument can be implicitly given</param>
/// <param name="position2">The position to go to</param>
/// <returns>The distance between the two points</returns>
public static Length DistanceTo(this GeographicPosition position1, GeographicPosition position2)
{
Length result;
GreatCircle.DistAndDir(position1, position2, out result, out _);
return(result);
}
/// <summary>
/// Move a certain distance into a direction. Where do I end?
/// </summary>
/// <param name="position">Start position.</param>
/// <param name="direction">Direction to travel</param>
/// <param name="distance">Distance to travel</param>
/// <returns>The destination position</returns>
public static GeographicPosition MoveBy(this GeographicPosition position, Angle direction, Length distance)
{
return(GreatCircle.CalcCoords(position, direction, distance));
}
