public void StartSimulation()
{
try
{
for (int RoundCount = 1; RoundCount <= 20; RoundCount++)
{
TotalDistanceOfUserWalk = 0;
TotalDistanceOfBikeRides = 0;;
AvailableBikesInTruck = 0;
TotoalNumberOfbikesForPickup = 0;
EventID = 1;
GlobalTime = 0;
ReadData(RoundCount);
List <FutureEvent> FutureEventList = new List <FutureEvent>();
int MissRequestCount = 0;
int HitRequestCount = 0;
int RebalancingCount = 0;
// For each cell in the list creat events and add new events to the FutureEventList
//Read stations data from XML file
System.Data.DataTable dtStationCells = new System.Data.DataTable();
dtStationCells.ReadXmlSchema(StationLocating.strRootResaultPath + "stationsSchema.xml");
dtStationCells.ReadXml(StationLocating.strRootResaultPath + "stations.xml");
double total1 = 0;
foreach (System.Data.DataRow dr in dtStationCells.Rows)
{
double neareststationDistance;
int neareststationindex = FindNearestStation(Convert.ToDouble(dr["Latitude"]), Convert.ToDouble(dr["Longitude"]), out neareststationDistance);
StationList[neareststationindex].Weight += Convert.ToDouble(dr["Weight"]) * neareststationDistance;
StationList[neareststationindex].totalWeight += Convert.ToDouble(dr["Weight"]);
StationList[neareststationindex].RequestCount++;
}
foreach (System.Data.DataRow dr in dtStationCells.Rows)
{
double neareststationDistance;
int neareststationindex = FindNearestStation(Convert.ToDouble(dr["Latitude"]), Convert.ToDouble(dr["Longitude"]), out neareststationDistance);
StationList[neareststationindex].Weight += Convert.ToDouble(dr["Weight"]) * neareststationDistance;
StationList[neareststationindex].totalWeight += Convert.ToDouble(dr["Weight"]);
StationList[neareststationindex].RequestCount++;
}
foreach (var item in StationList)
{
item.Weight = item.Weight / item.totalWeight;
Console.WriteLine(string.Format("Station Index : {0} Weight : {1} Request : {2}", item.Index, item.Weight, item.RequestCount));
item.RequestCount = 0;
}
Console.WriteLine("--------------------------------------------------*");
PrintStationStatus();
foreach (System.Data.DataRow dr in dtStationCells.Rows)
{
Troschuetz.Random.Distributions.Discrete.PoissonDistribution rnd = new Troschuetz.Random.Distributions.Discrete.PoissonDistribution();
rnd.Lambda = 100 - Convert.ToDouble(dr["Weight"]);
int t = 0;
while (t < 1440) // OneDay = 1440 minute
{
t += rnd.Next() * 5;
FutureEventList.Add(new FutureEvent(EventID++, t, EventType.CustomerRequest, Convert.ToDouble(dr["Latitude"]), Convert.ToDouble(dr["Longitude"])));
}
}
//for (int GlobalTime = 0; GlobalTime < 1440; GlobalTime++)
//{
// foreach (var item in FutureEventList.Where(e => e.StartTime == GlobalTime).OrderBy(e => e.EventId).ToList())
// {
// Console.WriteLine(string.Format("ID: {0} Start: {1} Lat:{2} Long:{3}", item.EventId, item.StartTime, item.Latitud, item.Longitud));
// }
//}
for (int GlobalTime = 0; GlobalTime < 1440; GlobalTime++)
{
List <FutureEvent> events = FutureEventList.Where(e => e.StartTime == GlobalTime).OrderBy(e => e.EventId).ToList();
//List<FutureEvent> events = FutureEventList.OrderBy(e => new { e.StartTime, e.EventId }).ToList();
foreach (FutureEvent fe in events)
{
Random rndNextStation = new Random();
#region CustomerRequest Event
if (fe.EventType == EventType.CustomerRequest)
{
double NearestStationDistance = 0;// (km)
int NearestStationIndex = FindNearestStation(fe.Latitud, fe.Longitud, out NearestStationDistance);
if (NearestStationIndex == -1)
{
MissRequestCount++;
}
else
{
FutureEvent ne = new FutureEvent();
ne.StationIndex = NearestStationIndex;
ne.StartTime = fe.StartTime + Convert.ToInt32(Math.Round((NearestStationDistance / WalkSpeed) * 60, 0)); // t = s / v -> time = distance / speed , Average speed of walking for age of 20-50 is 3.6 km/h
ne.EventType = EventType.BikeRentStart;
FutureEventList.Add(ne);
}
}
#endregion
#region BikeRentStart Event
else if (fe.EventType == EventType.BikeRentStart)
{
// If there is no Available Bike then Add Miss Count And go to next event
if (StationList[fe.StationIndex].AvailebleBikes <= 0)
{
MissRequestCount++;
PrintStationStatus();
continue;
}
HitRequestCount++;
StationList[fe.StationIndex].AvailebleBikes -= 1;
StationList[fe.StationIndex].RequestCount++;
Console.WriteLine("1 Bike Pickedup from station " + fe.StationIndex);
//Find Next Station based on Movement Probility Matrix
double NextStationProbibility = rndNextStation.Next(0, 100) / 100.0;
int NextStationIndex = -1;
double tempTotalProbility = 0;
for (int j = 0; j < MovementProbilityMatrix.Width; j++)
{
//x >= 1 && x <= 100
if (NextStationProbibility >= tempTotalProbility && NextStationProbibility < tempTotalProbility + MovementProbilityMatrix[fe.StationIndex, j])
{
NextStationIndex = j;
break;
}
else
{
tempTotalProbility += MovementProbilityMatrix[fe.StationIndex, j];
}
}
MovementCountMatrix[fe.StationIndex, NextStationIndex] += 1;
FutureEvent ne = new FutureEvent();
ne.EventType = EventType.BikeRentFinish;
ne.StationIndex = NextStationIndex;
double DistanceToNextStation = StationList[fe.StationIndex].GetDistanceFromPosition(StationList[NextStationIndex].Latitude, StationList[NextStationIndex].Longitude);
TotalDistanceOfBikeRides += DistanceToNextStation;
ne.StartTime = fe.StartTime + Convert.ToInt32(Math.Round((DistanceToNextStation / BikeSpeed) * 60, 0)); // t = s / v -> time = distance / speed , Average speed of bikes is 15 km/h
FutureEventList.Add(ne);
if (StationList[fe.StationIndex].AvailebleBikes <= 0)
{
FutureEvent re = new FutureEvent();
re.EventType = EventType.Rebalancing;
re.StationIndex = fe.StationIndex;
re.StartTime = fe.StartTime + 1;
FutureEventList.Add(re);
}
}
#endregion
#region BikeRentFinish Event
else if (fe.EventType == EventType.BikeRentFinish)
{
StationList[fe.StationIndex].AvailebleBikes += 1;
Console.WriteLine("1 Bike withdraw in station " + fe.StationIndex);
if (StationList[fe.StationIndex].AvailebleBikes >= StationList[fe.StationIndex].Capasity)
{
FutureEvent re = new FutureEvent();
re.EventType = EventType.Rebalancing;
re.StationIndex = fe.StationIndex;
re.StartTime = fe.StartTime + 1;
FutureEventList.Add(re);
}
}
#endregion
#region Rebalancing Event
else if (fe.EventType == EventType.Rebalancing)
{
//?? Reblancing To which stations should be done? one station or multiple station ?
//e.StartTime = DateTime.Now; // #### distance and duration to next station Should be determined in here
//e.Distance = 0; // #### distance and duration to next station Should be determined in here
RebalancingCount++;
foreach (var item in StationList) //Pickup Extra Bikes from each station
{
if (item.AvailebleBikes > item.NumberOfBikes)
{
int NumberOfbikesForPickup = item.AvailebleBikes - item.NumberOfBikes;
Console.WriteLine(NumberOfbikesForPickup.ToString() + " Bike Pickedup from station " + item.Index.ToString() + " for rebalancing" + " AvailebleBikes:" + item.AvailebleBikes + " NumberOfBikes: " + item.NumberOfBikes);
TotoalNumberOfbikesForPickup += NumberOfbikesForPickup;
AvailableBikesInTruck += NumberOfbikesForPickup;
item.AvailebleBikes = item.NumberOfBikes;
}
}
foreach (var item in StationList.OrderByDescending(s => s.NumberOfBikes - s.AvailebleBikes)) // withdraw bilke in each station which is needed
{
if (AvailableBikesInTruck > 0)
{
if (item.AvailebleBikes < item.NumberOfBikes)
{
if (AvailableBikesInTruck >= item.NumberOfBikes - item.AvailebleBikes)
{
AvailableBikesInTruck -= item.NumberOfBikes - item.AvailebleBikes;
Console.WriteLine((item.NumberOfBikes - item.AvailebleBikes).ToString() + " Bike withdraw in station " + item.Index.ToString() + " for rebalancing" + " AvailebleBikes:" + item.AvailebleBikes + " NumberOfBikes: " + item.NumberOfBikes);
item.AvailebleBikes = item.NumberOfBikes;
}
else
{
Console.WriteLine(AvailableBikesInTruck.ToString() + " Bike withdraw in station " + item.Index.ToString() + " for rebalancing" + " AvailebleBikes:" + item.AvailebleBikes + " NumberOfBikes: " + item.NumberOfBikes);
item.AvailebleBikes = AvailableBikesInTruck;
AvailableBikesInTruck -= AvailableBikesInTruck;
}
}
}
}
}
#endregion
}
}
foreach (var item in StationList)
{
Console.WriteLine(string.Format("Station Index : {0} Weight : {1} Request : {2}", item.Index, item.Weight, item.RequestCount));
}
#region Export Resault
xlResaultDataSheet.Cells[1, 10] = "TotalDistanceOfUserWalk";
xlResaultDataSheet.Cells[1, 11] = "TotalDistanceOfBikeRides";
xlResaultDataSheet.Cells[1, 12] = "MissRequestCount";
xlResaultDataSheet.Cells[1, 13] = "HitRequestCount";
xlResaultDataSheet.Cells[1, 14] = "NumberOfBikesMoved";
xlResaultDataSheet.Cells[1, 15] = "RebalancingCount";
xlResaultDataSheet.Cells[RoundCount + 1, 10] = TotalDistanceOfUserWalk;
xlResaultDataSheet.Cells[RoundCount + 1, 11] = TotalDistanceOfBikeRides;
xlResaultDataSheet.Cells[RoundCount + 1, 12] = MissRequestCount;
xlResaultDataSheet.Cells[RoundCount + 1, 13] = HitRequestCount;
xlResaultDataSheet.Cells[RoundCount + 1, 14] = TotoalNumberOfbikesForPickup;
xlResaultDataSheet.Cells[RoundCount + 1, 15] = RebalancingCount;
xlStationsDataSheet.Cells[10, 1] = "SimulationRequestCount";
foreach (var item in StationList)
{
xlStationsDataSheet.Cells[10, item.Index + 2] = item.RequestCount;
}
Console.WriteLine("MovementProbilityMatrix : ------------------------------- " + RoundCount.ToString());
MovementProbilityMatrix.PrintMatrix();
Console.WriteLine("MovementCountMatrix : ------------------------------- " + RoundCount.ToString());
MovementCountMatrix.PrintMatrix();
MovementCountMatrix.FillMatrixWithEqalTotal();
#endregion
}
xlWorkBook.SaveAs(StationLocating.strRootResaultPath + "StationsData3.xls");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}