/// <summary>
/// method to tally to detector
/// </summary>
/// <param name="photon">photon data needed to tally</param>
public void Tally(Photon photon)
{
if (!IsWithinDetectorAperture(photon))
{
return;
}
var ir = DetectorBinning.WhichBin(DetectorBinning.GetRho(photon.DP.Position.X, photon.DP.Position.Y), Rho.Count - 1, Rho.Delta, Rho.Start);
var totalTime = photon.DP.TotalTime;
for (int iw = 0; iw < Omega.Count; iw++)
{
double freq = Omega.AsEnumerable().ToArray()[iw];
Mean[ir, iw] += photon.DP.Weight * (Math.Cos(-2 * Math.PI * freq * totalTime) +
Complex.ImaginaryOne * Math.Sin(-2 * Math.PI * freq * totalTime));
if (TallySecondMoment) // 2nd moment is E[xx*]=E[xreal^2]+E[ximag^2]
{
SecondMoment[ir, iw] +=
photon.DP.Weight * (Math.Cos(-2 * Math.PI * freq * totalTime)) *
photon.DP.Weight * (Math.Cos(-2 * Math.PI * freq * totalTime)) +
photon.DP.Weight * (Math.Sin(-2 * Math.PI * freq * totalTime)) *
photon.DP.Weight * (Math.Sin(-2 * Math.PI * freq * totalTime));
}
}
TallyCount++;
}
/// <summary>
/// method to tally given two consecutive photon data points
/// </summary>
/// <param name="previousDP">previous data point</param>
/// <param name="dp">current data point</param>
/// <param name="currentRegionIndex">index of region photon current is in</param>
public void TallySingle(PhotonDataPoint previousDP, PhotonDataPoint dp, int currentRegionIndex)
{
var totalTime = dp.TotalTime;
var ix = DetectorBinning.WhichBin(dp.Position.X, X.Count - 1, X.Delta, X.Start);
var iy = DetectorBinning.WhichBin(dp.Position.Y, Y.Count - 1, Y.Delta, Y.Start);
var iz = DetectorBinning.WhichBin(dp.Position.Z, Z.Count - 1, Z.Delta, Z.Start);
var weight = _absorptionWeightingMethod(previousDP, dp, currentRegionIndex);
var regionIndex = currentRegionIndex;
if (weight != 0.0)
{
for (int iw = 0; iw < Omega.Count; iw++)
{
double freq = Omega.AsEnumerable().ToArray()[iw];
Mean[ix, iy, iz, iw] += (weight / _ops[regionIndex].Mua) *
(Math.Cos(-2 * Math.PI * freq * totalTime) +
Complex.ImaginaryOne * Math.Sin(-2 * Math.PI * freq * totalTime));
if (TallySecondMoment)
{
_tallyForOnePhoton[ix, iy, iz, iw] += (weight / _ops[regionIndex].Mua) *
(Math.Cos(-2 * Math.PI * freq * totalTime) +
Complex.ImaginaryOne * Math.Sin(-2 * Math.PI * freq * totalTime));
}
TallyCount++;
}
}
}
/// <summary>
/// method to tally given two consecutive photon data points
/// </summary>
/// <param name="previousDP">previous data point</param>
/// <param name="dp">current data point</param>
/// <param name="currentRegionIndex">index of region photon current is in</param>
public void TallySingle(PhotonDataPoint previousDP, PhotonDataPoint dp, int currentRegionIndex)
{
var totalTime = dp.TotalTime;
var ir = DetectorBinning.WhichBin(DetectorBinning.GetRho(dp.Position.X, dp.Position.Y), Rho.Count - 1, Rho.Delta, Rho.Start);
var iz = DetectorBinning.WhichBin(dp.Position.Z, Z.Count - 1, Z.Delta, Z.Start);
var weight = _absorptionWeightingMethod(previousDP, dp, currentRegionIndex);
// Note: GetVolumeAbsorptionWeightingMethod in Initialize method determines the *absorbed* weight
// so for fluence this weight is divided by Mua
var regionIndex = currentRegionIndex;
if (weight != 0.0)
{
for (int iw = 0; iw < Omega.Count; iw++)
{
double freq = Omega.AsEnumerable().ToArray()[iw];
Mean[ir, iz, iw] += (weight / _ops[regionIndex].Mua) *
(Math.Cos(-2 * Math.PI * freq * totalTime) +
Complex.ImaginaryOne * Math.Sin(-2 * Math.PI * freq * totalTime));
if (TallySecondMoment)
{
_tallyForOnePhoton[ir, iz, iw] += (weight / _ops[regionIndex].Mua) *
(Math.Cos(-2 * Math.PI * freq * totalTime) +
Complex.ImaginaryOne * Math.Sin(-2 * Math.PI * freq * totalTime));
}
}
TallyCount++;
}
}
