#include "AliTRDdataArrayI.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDparameter.h"
+#include "AliTRDpadPlane.h"
ClassImp(AliTRDclusterizerV1)
}
//_____________________________________________________________________________
-void AliTRDclusterizerV1::Copy(TObject &c)
+void AliTRDclusterizerV1::Copy(TObject &c) const
{
//
// Copy function
printf("<AliTRDclusterizerV1::MakeCluster> ");
printf("Create the default parameter object.\n");
}
+ fPar->Init();
- Float_t timeBinSize = fPar->GetTimeBinSize();
+ Float_t timeBinSize = fPar->GetDriftVelocity()
+ / fPar->GetSamplingFrequency();
// Half of ampl.region
const Float_t kAmWidth = AliTRDgeometry::AmThick()/2.;
const Int_t kNsig = 5;
const Int_t kNtrack = 3 * kNclus;
- Int_t iType = 0;
- Int_t iUnfold = 0;
+ Int_t iType = 0;
+ Int_t iUnfold = 0;
- Float_t ratioLeft = 1.0;
- Float_t ratioRight = 1.0;
+ Double_t ratioLeft = 1.0;
+ Double_t ratioRight = 1.0;
- Float_t padSignal[kNsig];
- Float_t clusterSignal[kNclus];
- Float_t clusterPads[kNclus];
- Int_t clusterDigit[kNclus];
- Int_t clusterTracks[kNtrack];
+ Double_t padSignal[kNsig];
+ Double_t clusterSignal[kNclus];
+ Double_t clusterPads[kNclus];
+ Int_t clusterDigit[kNclus];
+ Int_t clusterTracks[kNtrack];
- Int_t chamBeg = 0;
- Int_t chamEnd = AliTRDgeometry::Ncham();
- Int_t planBeg = 0;
- Int_t planEnd = AliTRDgeometry::Nplan();
- Int_t sectBeg = 0;
- Int_t sectEnd = AliTRDgeometry::Nsect();
+ Int_t chamBeg = 0;
+ Int_t chamEnd = AliTRDgeometry::Ncham();
+ Int_t planBeg = 0;
+ Int_t planEnd = AliTRDgeometry::Nplan();
+ Int_t sectBeg = 0;
+ Int_t sectEnd = AliTRDgeometry::Nsect();
// Start clustering in every chamber
for (Int_t icham = chamBeg; icham < chamEnd; icham++) {
,icham,iplan,isect);
}
- Int_t nRowMax = fPar->GetRowMax(iplan,icham,isect);
- Int_t nColMax = fPar->GetColMax(iplan);
- Int_t nTimeBefore = fPar->GetTimeBefore();
- Int_t nTimeTotal = fPar->GetTimeTotal();
+ Int_t nRowMax = fPar->GetRowMax(iplan,icham,isect);
+ Int_t nColMax = fPar->GetColMax(iplan);
+ Int_t nTimeBefore = fPar->GetTimeBefore();
+ Int_t nTimeTotal = fPar->GetTimeTotal();
- Float_t row0 = fPar->GetRow0(iplan,icham,isect);
- Float_t col0 = fPar->GetCol0(iplan);
- Float_t rowSize = fPar->GetRowPadSize(iplan,icham,isect);
- Float_t colSize = fPar->GetColPadSize(iplan);
+ AliTRDpadPlane *padPlane = fPar->GetPadPlane(iplan,icham);
// Get the digits
digits = fDigitsManager->GetDigits(idet);
iUnfold = 1;
}
- Float_t clusterCharge = clusterSignal[0]
- + clusterSignal[1]
- + clusterSignal[2];
+ Double_t clusterCharge = clusterSignal[0]
+ + clusterSignal[1]
+ + clusterSignal[2];
// The position of the cluster
clusterPads[0] = row + 0.5;
// Calculate the position of the cluster by using the
// lookup table method
- clusterPads[1] = col + 0.5
+// clusterPads[1] = col + 0.5
+// + fPar->LUTposition(iplan,clusterSignal[0]
+// ,clusterSignal[1]
+// ,clusterSignal[2]);
+ clusterPads[1] = 0.5
+ fPar->LUTposition(iplan,clusterSignal[0]
,clusterSignal[1]
,clusterSignal[2]);
// Calculate the position of the cluster by using the
// center of gravity method
- clusterPads[1] = col + 0.5
+// clusterPads[1] = col + 0.5
+// + (clusterSignal[2] - clusterSignal[0])
+// / clusterCharge;
+ clusterPads[1] = 0.5
+ (clusterSignal[2] - clusterSignal[0])
/ clusterCharge;
}
- Float_t q0 = clusterSignal[0];
- Float_t q1 = clusterSignal[1];
- Float_t q2 = clusterSignal[2];
- Float_t clusterSigmaY2 = (q1*(q0+q2)+4*q0*q2) /
- (clusterCharge*clusterCharge);
+ Double_t q0 = clusterSignal[0];
+ Double_t q1 = clusterSignal[1];
+ Double_t q2 = clusterSignal[2];
+ Double_t clusterSigmaY2 = (q1*(q0+q2)+4*q0*q2) /
+ (clusterCharge*clusterCharge);
- // Correct for ExB displacement
- if (fPar->ExBOn()) {
- Int_t local_time_bin = (Int_t) clusterPads[2];
- Float_t driftLength = local_time_bin * timeBinSize + kAmWidth;
- Float_t colSize = fPar->GetColPadSize(iplan);
- Float_t deltaY = omegaTau*driftLength/colSize;
- clusterPads[1] = clusterPads[1] - deltaY;
- }
-
if (fVerbose > 1) {
printf("-----------------------------------------------------------\n");
printf("Create cluster no. %d\n",nClusters);
}
// Calculate the position and the error
- Float_t clusterPos[3];
- clusterPos[0] = clusterPads[1] * colSize + col0;
- clusterPos[1] = clusterPads[0] * rowSize + row0;
+ Double_t clusterPos[3];
+// clusterPos[0] = clusterPads[1] * colSize + col0;
+// clusterPos[1] = clusterPads[0] * rowSize + row0;
+ clusterPos[0] = padPlane->GetColPos(col) - clusterPads[1];
+ clusterPos[1] = padPlane->GetRowPos(row) - clusterPads[0];
clusterPos[2] = clusterPads[2];
- Float_t clusterSig[2];
+ Double_t clusterSig[2];
+ Double_t colSize = padPlane->GetColSize(col);
+ Double_t rowSize = padPlane->GetRowSize(row);
clusterSig[0] = (clusterSigmaY2 + 1./12.) * colSize*colSize;
clusterSig[1] = rowSize * rowSize / 12.;
+ // Correct for ExB displacement
+ if (fPar->ExBOn()) {
+ Int_t local_time_bin = (Int_t) clusterPads[2];
+ Double_t driftLength = local_time_bin * timeBinSize + kAmWidth;
+ Double_t deltaY = omegaTau * driftLength;
+ clusterPos[1] = clusterPos[1] - deltaY;
+ }
+
// Add the cluster to the output array
AddCluster(clusterPos
- ,idet
- ,clusterCharge
- ,clusterTracks
- ,clusterSig
- ,iType);
+ ,idet
+ ,clusterCharge
+ ,clusterTracks
+ ,clusterSig
+ ,iType);
}
}
// Compress the arrays
digits->Compress(1,0);
track0->Compress(1,0);
- track1->Compress(1,0);
+ track1->Compress(1,0);
track2->Compress(1,0);
// Write the cluster and reset the array
}
//_____________________________________________________________________________
-Float_t AliTRDclusterizerV1::Unfold(Float_t eps, Int_t plane, Float_t* padSignal)
+Double_t AliTRDclusterizerV1::Unfold(Double_t eps, Int_t plane, Double_t* padSignal)
{
//
// Method to unfold neighbouring maxima.
// The resulting ratio is then returned to the calling method.
//
- Int_t irc = 0;
- Int_t itStep = 0; // Count iteration steps
+ Int_t irc = 0;
+ Int_t itStep = 0; // Count iteration steps
- Float_t ratio = 0.5; // Start value for ratio
- Float_t prevRatio = 0; // Store previous ratio
+ Double_t ratio = 0.5; // Start value for ratio
+ Double_t prevRatio = 0; // Store previous ratio
- Float_t newLeftSignal[3] = {0}; // Array to store left cluster signal
- Float_t newRightSignal[3] = {0}; // Array to store right cluster signal
- Float_t newSignal[3] = {0};
+ Double_t newLeftSignal[3] = {0}; // Array to store left cluster signal
+ Double_t newRightSignal[3] = {0}; // Array to store right cluster signal
+ Double_t newSignal[3] = {0};
// Start the iteration
while ((TMath::Abs(prevRatio - ratio) > eps) && (itStep < 10)) {
prevRatio = ratio;
// Cluster position according to charge ratio
- Float_t maxLeft = (ratio*padSignal[2] - padSignal[0])
- / (padSignal[0] + padSignal[1] + ratio*padSignal[2]);
- Float_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2])
- / ((1-ratio)*padSignal[2] + padSignal[3] + padSignal[4]);
+ Double_t maxLeft = (ratio*padSignal[2] - padSignal[0])
+ / (padSignal[0] + padSignal[1] + ratio*padSignal[2]);
+ Double_t maxRight = (padSignal[4] - (1-ratio)*padSignal[2])
+ / ((1-ratio)*padSignal[2] + padSignal[3] + padSignal[4]);
// Set cluster charge ratio
irc = fPar->PadResponse(1.0,maxLeft ,plane,newSignal);
- Float_t ampLeft = padSignal[1] / newSignal[1];
+ Double_t ampLeft = padSignal[1] / newSignal[1];
irc = fPar->PadResponse(1.0,maxRight,plane,newSignal);
- Float_t ampRight = padSignal[3] / newSignal[1];
+ Double_t ampRight = padSignal[3] / newSignal[1];
// Apply pad response to parameters
irc = fPar->PadResponse(ampLeft ,maxLeft ,plane,newLeftSignal );
irc = fPar->PadResponse(ampRight,maxRight,plane,newRightSignal);
// Calculate new overlapping ratio
- ratio = TMath::Min((Float_t)1.0,newLeftSignal[2] /
+ ratio = TMath::Min((Double_t)1.0,newLeftSignal[2] /
(newLeftSignal[2] + newRightSignal[0]));
}