public static double EvaluateFunction(IList <decimal> values)
{
if (_log != null)
{
_log.LogIteration(_iterations + 1);
}
//_log?.LogIteration(_iterations + 1);
//var strMessage = "Iteration " + _iterations + Environment.NewLine;
//strMessage += $"Maximize: {BolMaximize}" + Environment.NewLine;
//MessageBox.Show(strMessage);
//MessageBox.Show("Variable Values: " + string.Join(" ",values));
if (values == null)
{
_resultType = OptimizationResult.ResultType.SolverStopped;
return(double.NaN);
}
//Log Parameters
if (_log != null)
{
_log.LogParameters(string.Join(",", values), _stopwatchLoop);
}
//_log?.LogParameters(string.Join(",", values), _stopwatchLoop);
_updateElapsed = _stopwatchTotal.ElapsedMilliseconds - _stopwatchPreviousMilliseconds;
_stopwatchLoop.Reset();
_stopwatchLoop.Start();
//Run a new solution
if (_worker.CancellationPending)
{
return(double.NaN);
}
_component.OptimizationWindow.GrasshopperStatus = OptimizationWindow.GrasshopperStates.RequestSent;
//Call component to recalculate Grasshopper
_worker.ReportProgress(0, values);
//should add a time limit for this to break loop
while (_component.OptimizationWindow.GrasshopperStatus != OptimizationWindow.GrasshopperStates.RequestProcessed) /*just wait*/ } {
//Run Solver (Main function)
private static OptimizationResult RunOptimizationLoop(BackgroundWorker worker, int presetIndex)
{
_iterations = 0;
_iterationsCurrentBest = 0;
_bestValue = BolMaximize ? double.NegativeInfinity : double.PositiveInfinity;
_bestParams = new List <decimal>();
_resultType = OptimizationResult.ResultType.Unknown;
//Get variables
var variables = _component.GhInOut.Variables;
//MessageBox.Show($"Parameter String: {variables}", "FrOG Parameters");
//Stopwatches
_stopwatchTotal = Stopwatch.StartNew();
_stopwatchLoop = Stopwatch.StartNew();
_stopwatchTotal.Start();
_stopwatchPreviousMilliseconds = _updateFrequency;
//Clear Best Value List
BestValues.Clear();
//Prepare Solver
if (worker.CancellationPending)
{
return(null);
}
var solver = SolverList.GetSolverByIndex(PresetIndex);
var preset = SolverList.GetPresetByIndex(presetIndex);
//Prepare Log
//_log = BolLog ? new Log(String.Format("{0}\\{1}.txt", Path.GetDirectoryName(_ghInOut.DocumentPath), LogName)) : null;
_loggerLog = BolLog ? new LoggerLog(String.Format("{0}\\{1}.txt", Path.GetDirectoryName(_component.GhInOut.DocumentPath), LogName)) : null;
//Log Settings
if (_log != null)
{
_log.LogSettings(preset);
}
//_log?.LogSettings(preset);
//Run Solver
//MessageBox.Show("Starting Solver", "FrOG Debug");
var bolSolverStarted = solver.RunSolver(variables, EvaluateFunction, preset, solversettings, _component.GhInOut.ComponentFolder, _component.GhInOut.DocumentPath);
if (!bolSolverStarted)
{
MessageBox.Show("Solver could not be started!");
return(null);
}
//Show Messagebox with FrOG error
if (worker.CancellationPending)
{
_resultType = OptimizationResult.ResultType.UserStopped;
}
else if (_resultType == OptimizationResult.ResultType.SolverStopped || _resultType == OptimizationResult.ResultType.Unknown)
{
var strError = solver.GetErrorMessage();
if (!string.IsNullOrEmpty(strError))
{
MessageBox.Show(strError, "FrOG Error");
}
}
//Result
_stopwatchLoop.Stop();
_stopwatchTotal.Stop();
var result = new OptimizationResult(_bestValue, _bestParams, _iterations, _resultType);
if (_log != null)
{
_log.LogResult(result, _stopwatchTotal, MaxIter, MaxIterNoProgress, MaxDuration);
}
//_log?.LogResult(result, _stopwatchTotal, MaxIter, MaxIterNoProgress, MaxDuration);
return(result);
}
