private void PrintConfiguration(Label label, SimulationConfiguration config)
{
DoOnGuiThread(label, () =>
{
label.Text = config.ToString();
});
}
private void GenerateLineConfig(SimulationConfiguration config, int line)
{
int lineBudget = 0;
while (lineBudget < currentLineBudgets[line])
{
int busType = GenerateBusType();
lineBudget += busesCosts[busType];
if (lineBudget > currentLineBudgets[line])
{
break;
}
config.LinesVehicles[line].Add(busType);
if (config.LineBusesStartTimes[line].Count == 0)
{
config.LineBusesStartTimes[line].Add(startOfPassengersArrival[line] + GenerateStartTime());
}
else
{
config.LineBusesStartTimes[line].Add(GenerateInterTime());
}
}
}
private SimulationConfiguration GenerateConfiguration()
{
if (configsWithCurrentBudgetCount >= configsWithCurrentBudgetMaxCount)
{
configsWithCurrentBudgetCount = 0;
for (int i = 0; i < currentLineBudgets.Length; i++)
{
currentLineBudgets[i] += budgetIncrement;
}
}
configsWithCurrentBudgetCount++;
SimulationConfiguration config = new SimulationConfiguration();
GenerateLineConfig(config, 0);
GenerateLineConfig(config, 1);
GenerateLineConfig(config, 2);
return(config);
}
private void buttStart_Click(object sender, EventArgs e)
{
processStopped = false;
bestConfiguration = null;
testedConfigurationsCount = 0;
validConfigurationsCount = 0;
minArrivedAfterStartRatio = 1;
minAverageWaitingTime = double.MaxValue;
validConfigFound = false;
minCost = int.MaxValue;
minLineBudgets.CopyTo(currentLineBudgets, 0);
configsWithCurrentBudgetCount = 0;
Thread thread = new Thread(() =>
{
simulation.SetMaxSimSpeed();
for (int configurationIdx = 0; configurationIdx < configurationsToTestCount; configurationIdx++)
{
// generate configuration
SimulationConfiguration config = GenerateConfiguration();
// test configuration
SetConfiguration(simulation, config);
simulation.Simulate((int)numReplicationsCount.Value, endTime - startTime);
if (processStopped)
{
return;
}
testedConfigurationsCount++;
DoOnGuiThread(labelTestedConfigCount, () =>
{
labelTestedConfigCount.Text = testedConfigurationsCount.ToString();
});
// check if better than best
bool isSimulationResultValid = IsSimulationResultValid(simulation);
bool hasBetterStats =
hasBetterStatsThan(simulation, minAverageWaitingTime, minArrivedAfterStartRatio);
int currentCost = config.Cost();
bool isBetter = false;
if (bestConfiguration == null)
{
isBetter = true;
}
else if (!validConfigFound)
{
if (isSimulationResultValid || hasBetterStats)
{
isBetter = true;
}
}
else if (isSimulationResultValid)
{
if (currentCost < minCost ||
(currentCost == minCost && hasBetterStats))
{
isBetter = true;
}
}
if (isSimulationResultValid)
{
validConfigFound = true;
validConfigurationsCount++;
DoOnGuiThread(labelValidConfigCount, () =>
{
labelValidConfigCount.Text = validConfigurationsCount.ToString();
});
}
if (isBetter)
{
bestConfiguration = config;
PrintConfiguration(labelBestConfiguration, bestConfiguration);
minArrivedAfterStartRatio = simulation.ArrivedAfterStartRatioSim.Mean();
minAverageWaitingTime = simulation.AveragePassengerWaitingTimeSim.Mean();
minCost = currentCost;
DoOnGuiThread(labelMinCost, () =>
{
labelMinCost.Text = minCost.ToString();
labelMinAverageWaitingTime.Text = StatFormatter.FormatStatistic(
simulation.AveragePassengerWaitingTimeSim.Mean(),
simulation.AveragePassengerWaitingTimeSim.ConfidenceInterval90);
labelMinArrivedAfterStartRatio.Text = StatFormatter.FormatStatistic(
simulation.ArrivedAfterStartRatioSim.Mean(),
simulation.ArrivedAfterStartRatioSim.ConfidenceInterval90);
});
}
}
});
thread.Start();
}
private void SetConfiguration(MySimulation simulation, SimulationConfiguration config)
{
SetConfiguration(simulation.LineVehicles, config.LinesVehicles);
SetConfiguration(simulation.LineBusesStartTimes, config.LineBusesStartTimes);
}
