/// <summary>
/// Handles Progress events from the Evolver.
/// </summary>
void Evolver_ProgressEvent(TdseUtils.Proc sender)
{
Evolver evolver = (Evolver)sender;
// If the current frame is a keyframe, then save it.
double frameInterval = (m_params.NumFramesToSave <= 1) ? 1 : m_params.TotalTime / (m_params.NumFramesToSave - 1);
if (evolver.CurrentTimeStepIndex == (int)Math.Round((m_lastSavedFrame + 1) * frameInterval / m_params.TimeStep))
{
if (m_lastSavedFrame + 1 < m_params.NumFramesToSave)
{
string outFile = Path.Combine(m_outputDir, "Frame_" + (m_lastSavedFrame + 1).ToString("D4") + ".vtk");
evolver.Wf.SaveToVtkFile(outFile, m_params.SaveFormat);
}
m_lastSavedFrame++;
}
// Update the progress bar
int val = (100 * evolver.CurrentTimeStepIndex) / (evolver.TotalNumTimeSteps);
if (Main_ProgressBar.Value != val)
{
Main_ProgressBar.Value = val; // Workaround for slow ProgressBar updates
Main_ProgressBar.Value = Math.Max(0, val - 1); //
Main_ProgressBar.Value = val; //
}
}
/// <summary>
/// Evolves the wavefunction and saves keyframes to disk.
/// </summary>
private void CreateAnimationFrames()
{
// Get a fresh output directory
m_outputDir = CreateOutputDir();
// Write the run parameters to a file
string paramsFile = Path.Combine(m_outputDir, "Params.txt");
File.WriteAllText(paramsFile, m_params.ToString().Replace("\n", "\r\n"));
// Create the initial wavefunction
WaveFunction wf = WaveFunctionUtils.CreateGaussianWavePacket(
m_params.GridSizeX, m_params.GridSizeY, m_params.LatticeSpacing, m_params.ParticleMass,
m_params.InitialWavePacketCenter,
m_params.InitialWavePacketSize,
m_params.InitialWavePacketMomentum,
m_params.MultiThread
);
// Save the initial wf as Frame 0
wf.SaveToVtkFile(Path.Combine(m_outputDir, "Frame_0000.vtk"), m_params.SaveFormat);
m_lastSavedFrame = 0;
// Create an Evolver and run it in the background
Evolver.VDelegate V = (x, y, t, m, sx, sy) => { return(m_VBuilder.V(x, y, t, m, sx, sy)); };
m_evolver = new Evolver(wf, m_params.TotalTime, m_params.TimeStep, V, false, m_params.ParticleMass, 1,
m_params.DampingBorderWidth, m_params.DampingFactor, m_params.MultiThread);
m_evolver.ProgressEvent += Evolver_ProgressEvent;
m_evolver.CompletionEvent += Evolver_CompletionEvent;
m_evolver.RunInBackground();
}