/// <summary>
/// Apply Douglas-Peucker on each section with the same IsOnGround
/// </summary>
/// <param name="route"></param>
/// <param name="tolerance"></param>
/// <returns></returns>
public IEnumerable <AircraftStatusBrief> DouglasPeucker(List <AircraftStatusBrief> route, double tolerance)
{
var result = new List <int>();
int start = 0, end = 0;
while (end < route.Count)
{
result.Add(start);
while (end < route.Count - 1 && route[end + 1].IsOnGround == route[end].IsOnGround)
{
end++;
}
if (end - start > 1)
{
DouglasPeuckerRecursive(route.Select(o => GpsHelper.ToXyz(o.Latitude, o.Longitude, o.Altitude)).ToList(), tolerance * tolerance, start, end, result);
}
result.Add(end);
start = end + 1;
end = start;
}
foreach (var index in result)
{
yield return(route[index]);
}
}
public FlightPlanCompact(FlightPlanData flightPlan, string callsign, string aircraftType, int?estimatedCruisingSpeed, string remarks)
{
Callsign = callsign;
AircraftType = aircraftType;
Type = flightPlan.Type;
RouteType = flightPlan.RouteType;
CruisingAltitude = flightPlan.CruisingAltitude;
Departure = flightPlan.Departure?.ID;
Destination = flightPlan.Destination?.ID;
Route = flightPlan.Waypoints == null ? null : string.Join(" ", flightPlan.Waypoints.Where(o => o.Id != "TIMECRUIS" && o.Id != "TIMEDSCNT").Select(o => o.Id));
CruisingSpeed = estimatedCruisingSpeed;
if (estimatedCruisingSpeed != null && estimatedCruisingSpeed != 0 && flightPlan.Waypoints != null && flightPlan.Waypoints.Count() > 1)
{
var dist = 0d;
for (var i = 1; i < flightPlan.Waypoints.Count(); i++)
{
var p1 = flightPlan.Waypoints.ElementAt(i - 1);
var p2 = flightPlan.Waypoints.ElementAt(i);
dist += GpsHelper.CalculateDistance(p1.Latitude, p1.Longitude, p2.Latitude, p2.Longitude);
}
EstimatedEnroute = TimeSpan.FromHours(dist / estimatedCruisingSpeed.Value);
}
Remarks = remarks;
}
public FlightPlanWaypoint ToData()
{
var waypoint = new FlightPlanWaypoint
{
Id = id,
Airway = ATCAirway,
Type = ATCWaypointType,
ICAO = ICAO?.ToData()
};
(waypoint.Latitude, waypoint.Longitude, waypoint.Altitude) = GpsHelper.ConvertString(WorldPosition);
return(waypoint);
}
public FlightPlanData ToData()
{
var data = new FlightPlanData
{
Title = Title,
Type = FPType,
RouteType = RouteType,
CruisingAltitude = (int)CruisingAlt,
Description = Descr,
Departure = new FlightPlanPosition
{
ID = DepartureID,
Name = DepartureName
},
Destination = new FlightPlanPosition
{
ID = DestinationID,
Name = DestinationName
},
Waypoints = ATCWaypoint?.Select(o => o.ToData())
};
(data.Departure.Latitude, data.Departure.Longitude, data.Departure.Altitude) = GpsHelper.ConvertString(DepartureLLA);
(data.Destination.Latitude, data.Destination.Longitude, data.Destination.Altitude) = GpsHelper.ConvertString(DestinationLLA);
return(data);
}