public static FsLatLonQuadrilateral ForRunway(FsLatLonPoint ThresholdCentre, double HeadingTrue, double WidthInFeet, double LengthInFeet)
{
double num = Math.PI * HeadingTrue / 180.0;
double decimalDegrees1 = FsLatitudeSpan.FromFeet(Math.Sin(num) * WidthInFeet / 2.0).DecimalDegrees;
FsLatitude fsLatitude1 = new FsLatitude(ThresholdCentre.Latitude.DecimalDegrees - decimalDegrees1);
double Feet = Math.Cos(num) * WidthInFeet / 2.0;
double decimalDegrees2 = FsLongitudeSpan.FromFeet(Feet, fsLatitude1).DecimalDegrees;
FsLongitude Longitude1 = new FsLongitude(ThresholdCentre.Longitude.DecimalDegrees + decimalDegrees2);
FsLatLonPoint P1 = new FsLatLonPoint(fsLatitude1, Longitude1);
fsLatitude1 = new FsLatitude(ThresholdCentre.Latitude.DecimalDegrees + decimalDegrees1);
double decimalDegrees3 = FsLongitudeSpan.FromFeet(Feet, fsLatitude1).DecimalDegrees;
Longitude1 = new FsLongitude(ThresholdCentre.Longitude.DecimalDegrees - decimalDegrees3);
FsLatLonPoint P0 = new FsLatLonPoint(fsLatitude1, Longitude1);
double decimalDegrees4 = FsLatitudeSpan.FromFeet(Math.Cos(num) * LengthInFeet).DecimalDegrees;
FsLatitude fsLatitude2 = new FsLatitude(ThresholdCentre.Latitude.DecimalDegrees + decimalDegrees4);
double decimalDegrees5 = FsLongitudeSpan.FromFeet(Math.Sin(num) * LengthInFeet, fsLatitude2).DecimalDegrees;
FsLongitude Longitude2 = new FsLongitude(ThresholdCentre.Longitude.DecimalDegrees + decimalDegrees5);
FsLatLonPoint fsLatLonPoint = new FsLatLonPoint(fsLatitude2, Longitude2);
fsLatitude1 = new FsLatitude(fsLatLonPoint.Latitude.DecimalDegrees - decimalDegrees1);
double decimalDegrees6 = FsLongitudeSpan.FromFeet(Feet, fsLatitude1).DecimalDegrees;
Longitude1 = new FsLongitude(fsLatLonPoint.Longitude.DecimalDegrees + decimalDegrees6);
FsLatLonPoint P3 = new FsLatLonPoint(fsLatitude1, Longitude1);
fsLatitude1 = new FsLatitude(fsLatLonPoint.Latitude.DecimalDegrees + decimalDegrees1);
double decimalDegrees7 = FsLongitudeSpan.FromFeet(Feet, fsLatitude1).DecimalDegrees;
Longitude1 = new FsLongitude(fsLatLonPoint.Longitude.DecimalDegrees - decimalDegrees7);
FsLatLonPoint P2 = new FsLatLonPoint(fsLatitude1, Longitude1);
return(new FsLatLonQuadrilateral(P0, P1, P2, P3));
}
public double DistanceFromInFeet(FsLatLonPoint Point)
{
FsLongitudeSpan fsLongitudeSpan = FsLongitudeSpan.BetweenTwoLongitudes(Point.Longitude, this.lon);
double num = (fsLongitudeSpan.ToFeet(this.lat) + fsLongitudeSpan.ToFeet(Point.lat)) / 2.0;
double feet = new FsLatitudeSpan(Point.Latitude.DecimalDegrees - this.lat.DecimalDegrees).ToFeet();
return(Math.Sqrt(num * num + feet * feet));
}
public FsLatLonPoint OffsetByNauticalMiles(double Bearing, double Distance)
{
double NauticalMiles1 = Math.Sin(Math.PI * Bearing / 180.0) * Distance;
double NauticalMiles2 = Math.Cos(Math.PI * Bearing / 180.0) * Distance;
FsLatLonPoint fsLatLonPoint = new FsLatLonPoint();
fsLatLonPoint.lat = this.lat.Add(FsLatitudeSpan.FromNauticalMiles(NauticalMiles2));
fsLatLonPoint.lon = this.lon.Add(FsLongitudeSpan.FromNauticalMiles(NauticalMiles1, fsLatLonPoint.lat));
return(fsLatLonPoint);
}
public FsLatLonPoint OffsetByFeet(double Bearing, double Distance)
{
double Feet1 = Math.Sin(Math.PI * Bearing / 180.0) * Distance;
double Feet2 = Math.Cos(Math.PI * Bearing / 180.0) * Distance;
FsLatLonPoint fsLatLonPoint = new FsLatLonPoint();
fsLatLonPoint.lat = this.lat.Add(FsLatitudeSpan.FromFeet(Feet2));
fsLatLonPoint.lon = this.lon.Add(FsLongitudeSpan.FromFeet(Feet1, fsLatLonPoint.lat));
return(fsLatLonPoint);
}
public static FsLongitudeSpan FromMetres(double Metres, FsLatitude AtLatitude)
{
return(FsLongitudeSpan.FromFeet(Metres * 3.2808, AtLatitude));
}
public static FsLongitudeSpan FromNauticalMiles(double NauticalMiles, FsLatitude AtLatitude)
{
return(FsLongitudeSpan.FromFeet(NauticalMiles * 6076.1155, AtLatitude));
}
public FsLongitudeSpan(int Degrees, int Minutes, double DecimalSeconds)
{
this = new FsLongitudeSpan((double)Degrees + (double)Minutes / 60.0 + DecimalSeconds / 3600.0);
}
public FsLongitudeSpan(int Degrees, double DecimalMinutes)
{
this = new FsLongitudeSpan((double)Degrees + DecimalMinutes / 60.0);
}
public FsLongitude Subtract(FsLongitudeSpan Distance)
{
return(new FsLongitude(this.pos - Distance.DecimalDegrees));
}
public FsLongitude Add(FsLongitudeSpan Distance)
{
return(new FsLongitude(this.pos + Distance.DecimalDegrees));
}