public bool CheckHitting(LocationPolygon poligon)
{
if (poligon == null || poligon.Count == 0)
{
return(false);
}
bool hit = false; // количество пересечений луча слева в право четное = false, нечетное = true;
for (int i = 0; i < poligon.Count - 1; i++)
{
if (((poligon[i].Lat <= this.Lat) && ((poligon[i + 1].Lat > this.Lat))) || ((poligon[i].Lat > this.Lat) && ((poligon[i + 1].Lat <= this.Lat))))
{
if ((poligon[i].Lon > this.Lon) && (poligon[i + 1].Lon > this.Lon))
{
hit = !hit;
}
else if (!((poligon[i].Lon < this.Lon) && (poligon[i + 1].Lon < this.Lon)))
{
if (this.Lon < poligon[i + 1].Lon - (this.Lat - poligon[i + 1].Lat) * (poligon[i + 1].Lon - poligon[i].Lon) / (poligon[i].Lat - poligon[i + 1].Lat))
{
hit = !hit;
}
}
}
}
int i_ = poligon.Count - 1;
if (((poligon[i_].Lat <= this.Lat) && ((poligon[0].Lat > this.Lat))) || ((poligon[i_].Lat > this.Lat) && ((poligon[0].Lat <= this.Lat))))
{
if ((poligon[i_].Lon > this.Lon) && (poligon[0].Lon > this.Lon))
{
hit = !hit;
}
else if (!((poligon[i_].Lon < this.Lon) && (poligon[0].Lon < this.Lon)))
{
if (this.Lon < poligon[0].Lon - (this.Lat - poligon[0].Lat) * (poligon[0].Lon - poligon[i_].Lon) / (poligon[i_].Lat - poligon[0].Lat))
{
hit = !hit;
}
}
}
return(hit);
}
private static List <DTO.Station> FindStations(DM.Tour tour)
{
var result = new List <DTO.Station>();
var polygon = new MDC.LocationPolygon(tour.LocationList);
if (polygon.Count <= 0)
{
throw new InvalidOperationException("Location list is empty");
}
var polygonRect = polygon.GetRect();
using (var allStationsReader = Repository.ReadEntities <DM.AllStation>(source =>
{
source.SetAdditional($"([{MD.AllStations.Fields.Standart}] in ('{tour.RadioTechList.Replace(",", "','")}'))");
source.SetWhere(MD.AllStations.Fields.Latitude, IMRecordset.Operation.Ge, polygonRect.Min.Lat);
source.SetWhere(MD.AllStations.Fields.Latitude, IMRecordset.Operation.Le, polygonRect.Max.Lat);
source.SetWhere(MD.AllStations.Fields.Longitude, IMRecordset.Operation.Ge, polygonRect.Min.Lon);
source.SetWhere(MD.AllStations.Fields.Longitude, IMRecordset.Operation.Le, polygonRect.Max.Lon);
}))
{
while (allStationsReader.Read())
{
var allStation = allStationsReader.GetEntity();
var checkLocation = new MDC.Location(allStation.Longitude, allStation.Latitude);
if (checkLocation.CheckHitting(polygon))
{
var station = new DTO.Station
{
Id = allStation.Id,
TableName = allStation.TableName,
TableId = allStation.TableId,
};
if (CheckStationApplicationCurrentState(tour, station))
{
result.Add(station);
}
}
}
}
return(result);
}
