コード例 #1
0
        public static List <FirstResponder> GetRespondersInRadius(double radius, double Lat, double Lng)
        {
            var responders = new List <FirstResponder>();

            using (var db = new RescContext())
            {
                var positions = db.ActivePositions.Include(p => p.FirstResponder).ToList();

                foreach (var position in positions)
                {
                    var distance = GeoCoordinates.DistanceTo(Lat, Lng, position.Lat, position.Lng);

                    if (distance < radius)
                    {
                        responders.Add(position.FirstResponder);
                    }
                }
            }

            return(responders);
        }
コード例 #2
0
        public static double GetNearestStation(double Lat, double Lng)
        {
            Station nearestStation = null;
            double  nearest        = 150;


            using (var db = new RescContext())
            {
                var stations = db.Stations.ToList();

                foreach (var station in stations)
                {
                    var distance = GeoCoordinates.DistanceTo(Lat, Lng, station.Lat, station.Lng);

                    if (distance < nearest)
                    {
                        nearestStation = station;
                        nearest        = distance;
                    }
                }
            }

            return(nearest);
        }