private MovingVehicleInfo CalculateLocationOnPath(
MovingVehicleInfo mvi,
RouteSegmentPaths path,
double distance,
RouteSegments routeSegment
)
{
var fraction = distance / path.Distance;
var lat1 = path.StartPoint.Y / 180 * pi;
var lng1 = path.StartPoint.X / 180 * pi;
var lat2 = path.EndPoint.Y / 180 * pi;
var lng2 = path.EndPoint.X / 180 * pi;
var lng = lng1 + (lng2 - lng1) * fraction;
if (lng2 == lng1)
{
lng2 += Math.Pow(10.0, -15.0);
}
var lat = Math.Atan(
(Math.Tan(lat1) * Math.Sin(lng2 - lng) +
Math.Tan(lat2) * Math.Sin(lng - lng1)) / Math.Sin(lng2 - lng1)
);
var normalized = new Point(lng * 180 / pi, lat * 180 / pi);
mvi.MovingVehicle.Normalized = normalized;
mvi.MovingVehicle.RouteSegmentId = routeSegment.Id;
mvi.MovingVehicle.LastPathPosition = path.Position;
mvi.MovingVehicle.DistanceFromLastPath = distance;
mvi.MovingVehicle.UpdatedAt = _nextTime;
return(mvi);
}
public void Insert(List <MovingVehicleInfo> movingVehicleInfos)
{
var list = new List <MovingVehicles>();
foreach (var item in movingVehicleInfos)
{
var cityId = item.Route.CityId;
var routes = Routes.Where(e => e.CityId == cityId).ToList();
if (routes.Count <= 0)
{
continue;
}
int r = rnd.Next(routes.Count);
var route = routes[r];
var routeSegments = route.RouteSegments.ToList();
if (routeSegments.Count <= 0)
{
continue;
}
r = rnd.Next(routeSegments.Count);
var routeSegment = routeSegments[r];
List <RouteSegmentPaths> routeSegmentPaths;
if (!RouteSegmentPaths.TryGetValue(routeSegment.Id, out routeSegmentPaths))
{
continue;
}
if (routeSegmentPaths.Count <= 0)
{
continue;
}
var path = routeSegmentPaths[0];
var now = DateTime.UtcNow;
var mv = new MovingVehicles()
{
RouteId = routeSegment.RouteId,
RouteSegmentId = routeSegment.Id,
SegmentId = item.MovingVehicle.SegmentId,
SourceType = "bot",
AverageSpeed = 25,
Real = path.StartPoint,
Normalized = path.StartPoint,
CreatedAt = now,
UpdatedAt = now,
ConfirmedAt = now,
LastPathPosition = 1,
DistanceFromLastPath = 0.0,
Relevance = 100
};
list.Add(mv);
//_context.MovingVehicles.Add(mv);
}
//_context.SaveChanges();
_context.BulkInsert(list);
}
