/// <summary>
/// Smoothes out the bearings of a Route according to an int value
/// </summary>
/// <param name="smoothValue">The amount of bearings to smooth together</param>
/// <returns>A new Route</returns>
public Route SmoothBearings(int smoothValue)
{
Point[] points = Points;
for (int i = 0; i < points.Length - smoothValue; i++)
{
points[i].Bearing = Bearing.Average(new ArraySegment <Point>(points, i, smoothValue).ToArray());
}
return(new Route(points));
}
/// <summary>
/// Calculates the resultant point if given a starting point, distance and bearing
/// </summary>
/// <param name="distance">The distance in metres</param>
/// <param name="bearing">The direction</param>
/// <returns>A new point</returns>
public Point Destination(double distance, Bearing bearing)
{
double φ1 = Latitude * (Math.PI / 180);
double λ1 = Longitude * (Math.PI / 180);
double brng = bearing.Value * (Math.PI / 180);
double φ2 = Math.Asin(Math.Sin(φ1) * Math.Cos(distance / Radius) + Math.Cos(φ1) * Math.Sin(distance / Radius) * Math.Cos(brng));
double λ2 = λ1 + Math.Atan2(Math.Sin(brng) * Math.Sin(distance / Radius) * Math.Cos(φ1), Math.Cos(distance / Radius) - Math.Sin(φ1) * Math.Sin(φ2));
return(new Point(φ2 * (180 / Math.PI), λ2 * (180 / Math.PI)));
}
/// <summary>
/// Gets the URL to the image of the PanoID
/// </summary>
/// <param name="bearing">The bearing of the image</param>
/// <param name="pitch">The pitch of the image</param>
/// <param name="res">The resolution of the image</param>
/// <param name="fov">The field of view of the image</param>
/// <returns>The Streetview Static API image URL</returns>
public string ImageURL(Bearing bearing, double pitch, Resolution res, int fov) =>
URL.Sign(string.Format("https://maps.googleapis.com/maps/api/streetview?size={0}x{1}&pano={2}&heading={3}&pitch={4}&fov={5}", res.Width, res.Height, ID, bearing, pitch, fov));
public Bearing CalculateOffset(Bearing desired) => new Bearing((desired.Value + 360 - Value) % 360);
/// <summary>
/// Creates a new point from a latitude, longitude and bearing
/// </summary>
/// <param name="lat">Latitude</param>
/// <param name="lon">Longitude</param>
/// <param name="bearing">Bearing</param>
public Point(double lat, double lon, Bearing bearing)
{
Latitude = lat;
Longitude = lon;
Bearing = bearing;
}
/// <summary>
/// Creates a new point from a latitude and longitude value
/// </summary>
/// <param name="lat">Latitude</param>
/// <param name="lon">Longitude</param>
public Point(double lat, double lon)
{
Latitude = lat;
Longitude = lon;
Bearing = new Bearing();
}