/// <summary>
/// Non Prediction To vehicle types
/// </summary>
public ArrayList VehicleByType(VehiclePopulationPredict myVehType)
{
SqlConnection sqlConn = new SqlConnection(DL.SQL.conn);
sqlConn.Open();
SqlCommand sqlcom = new System.Data.SqlClient.SqlCommand("Select Year,sum(NoOfVeh) AS TotalVeh From tblVehiclePopulation Where [ElementType]='" + myVehType.strElementType + "' Group By Year ", sqlConn);
SqlDataReader sqlred = sqlcom.ExecuteReader();
while (sqlred.Read())
{
ArrayVehiclePopulation objVehPopulation = new ArrayVehiclePopulation();
objVehPopulation.intYear = Convert.ToInt32(sqlred["Year"]);
objVehPopulation.doubleNoOfVeh = Convert.ToDouble(sqlred["TotalVeh"]);
myArrayVehPop.Insert(indexVehPop, objVehPopulation);
indexVehPop = indexVehPop + 1;
}
return(myArrayVehPop);
}
public ArrayList FindVehPopulation(VehiclePopulationPredict myVehiclePopulationPredict)
{
// --- DB Connection ---
SqlConnection sqlConn = new SqlConnection(DL.SQL.conn);
SqlDataReader sqlRdr = null;
VehiclePopulationPredict objVehiclePopulationPredict = new VehiclePopulationPredict();
try
{
sqlConn.Open();
// -----------------
SqlCommand sqlCom = new SqlCommand("VehiclePopulationPredictor", sqlConn);
sqlCom.CommandType = CommandType.StoredProcedure;
sqlRdr = sqlCom.ExecuteReader();
// -----------------
while (sqlRdr.Read())
{
ArrayVehiclePopulation objArrayVehiclePopulation = new ArrayVehiclePopulation();
objArrayVehiclePopulation.intYear = Convert.ToInt16(sqlRdr["Year"]);
objArrayVehiclePopulation.doubleNoOfVeh = Convert.ToDouble(sqlRdr["TotalVehicle"]);
LoopForYr = Convert.ToInt16(sqlRdr["Year"]);
myArrayVehPop.Insert(indexVehPop, objArrayVehiclePopulation);
indexVehPop = indexVehPop + 1;
}
// --- Insert Year ---
int FutureYr = myVehiclePopulationPredict.intYear;
// --- Find The Loop Count ---
int loopCount = FutureYr - LoopForYr;
for (int j = 0; j < loopCount; j++)
{
// --- Get the Oldest Value From the ArrayList ---
ArrayVehiclePopulation objOldestVal = (ArrayVehiclePopulation)(myArrayVehPop[0]);
double OldestVal = objOldestVal.doubleNoOfVeh;
// -----------------------------------------------
// --- Get the Newest Value From the ArrayList ---
int NearestYrVal = myArrayVehPop.Count;
NearestYrVal--;
ArrayVehiclePopulation objNewVal = (ArrayVehiclePopulation)(myArrayVehPop[NearestYrVal]);
double NewVal = objNewVal.doubleNoOfVeh;
DbYear = objNewVal.intYear;
// -----------------------------------------------
// --- Insert The Calc Value To Array ---
DbYear++;
// --- Algo ---
double Predicton = NewVal * Math.Exp((Math.Log((NewVal / OldestVal), Math.Exp(1)) / 4) * 1);
PredictPop = Predicton;
// --- Algo ---
ArrayVehiclePopulation objArrVehPopInsert = new ArrayVehiclePopulation();
objArrVehPopInsert.intYear = DbYear;
objArrVehPopInsert.doubleNoOfVeh = Convert.ToDouble(PredictPop);
myArrayVehPop.Insert((myArrayVehPop.Count), objArrVehPopInsert);
// --- Insert The Calc Value To Array ---
}
}
catch (Exception ex)
{
}
return(myArrayVehPop);
}
