/*
$Log$
+Revision 1.38 2002/04/30 08:30:40 cblume
+gAlice now only read by AliRunDigitizer. Therefore it is just deleted in AliTRDmerge.C
+
+Revision 1.37 2002/04/29 11:50:47 cblume
+Change initialization of gAlice in the merging case
+
+Revision 1.36 2002/04/12 12:13:23 cblume
+Add Jiris changes
+
+Revision 1.35 2002/03/28 14:59:07 cblume
+Coding conventions
+
+Revision 1.34 2002/03/25 20:00:44 cblume
+Introduce parameter class and regions of interest for merging
+
+Revision 1.33 2002/02/12 17:32:03 cblume
+Rearrange the deleting of the list of sdigitsmanager
+
+Revision 1.32 2002/02/12 16:07:21 cblume
+Add new constructor
+
Revision 1.31 2002/02/11 14:27:11 cblume
New pad plane design, new TRF+PRF, tail cancelation, cross talk
#include "AliTRDsegmentArray.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDgeometry.h"
+#include "AliTRDparameter.h"
ClassImp(AliTRDdigitizer)
// AliTRDdigitizer default constructor
//
- fInputFile = NULL;
- fDigitsManager = NULL;
- fSDigitsManagerList = NULL;
- fSDigitsManager = NULL;
- fTRD = NULL;
- fGeo = NULL;
- fPRFsmp = NULL;
- fTRFsmp = NULL;
- fCTsmp = NULL;
-
+ fInputFile = 0;
+ fDigitsManager = 0;
+ fSDigitsManagerList = 0;
+ fSDigitsManager = 0;
+ fTRD = 0;
+ fGeo = 0;
+ fPar = 0;
fMasks = 0;
-
fEvent = 0;
- fGasGain = 0.0;
- fNoise = 0.0;
- fChipGain = 0.0;
- fADCoutRange = 0.0;
- fADCinRange = 0.0;
- fADCthreshold = 0;
- fDiffusionOn = 0;
- fDiffusionT = 0.0;
- fDiffusionL = 0.0;
- fElAttachOn = 0;
- fElAttachProp = 0.0;
- fExBOn = 0;
- fOmegaTau = 0.0;
- fPRFOn = 0;
- fTRFOn = 0;
- fCTOn = 0;
- fTCOn = 0;
- fDriftVelocity = 0.0;
- fPadCoupling = 0.0;
- fTimeCoupling = 0.0;
- fTimeBinWidth = 0.0;
- fField = 0.0;
- fTiltingAngle = 0.0;
-
- fPRFbin = 0;
- fPRFlo = 0.0;
- fPRFhi = 0.0;
- fPRFwid = 0.0;
- fPRFpad = 0;
- fTRFbin = 0;
- fTRFlo = 0.0;
- fTRFhi = 0.0;
- fTRFwid = 0.0;
- fTCnexp = 0;
-
fCompress = kTRUE;
fDebug = 0;
fSDigits = kFALSE;
fSDigitsScale = 0.0;
-
+ fMergeSignalOnly = kFALSE;
+ fSimpleSim = kFALSE;
+ fSimpleDet = 0;
+
}
//_____________________________________________________________________________
// AliTRDdigitizer constructor
//
- fInputFile = NULL;
-
- fDigitsManager = NULL;
- fSDigitsManager = NULL;
- fSDigitsManagerList = NULL;
-
- fTRD = NULL;
- fGeo = NULL;
- fPRFsmp = NULL;
- fTRFsmp = NULL;
- fCTsmp = NULL;
-
+ fInputFile = 0;
+ fDigitsManager = 0;
+ fSDigitsManagerList = 0;
+ fSDigitsManager = 0;
+ fTRD = 0;
+ fGeo = 0;
+ fPar = 0;
fMasks = 0;
-
fEvent = 0;
-
fCompress = kTRUE;
fDebug = 0;
fSDigits = kFALSE;
-
- Init();
+ fMergeSignalOnly = kFALSE;
+ fSimpleSim = kFALSE;
+ fSimpleDet = 0;
+
+ // For the summable digits
+ fSDigitsScale = 100.;
}
// AliTRDdigitizer constructor
//
- fInputFile = NULL;
-
- fDigitsManager = NULL;
- fSDigitsManager = NULL;
- fSDigitsManagerList = NULL;
-
- fTRD = NULL;
- fGeo = NULL;
- fPRFsmp = NULL;
- fTRFsmp = NULL;
- fCTsmp = NULL;
-
+ fInputFile = 0;
+ fDigitsManager = 0;
+ fSDigitsManagerList = 0;
+ fSDigitsManager = 0;
+ fTRD = 0;
+ fGeo = 0;
+ fPar = 0;
fMasks = 0;
-
fEvent = 0;
-
fCompress = kTRUE;
fDebug = 0;
fSDigits = kFALSE;
-
- Init();
+ fMergeSignalOnly = kFALSE;
+ fSimpleSim = kFALSE;
+ fSimpleDet = 0;
+
+ // For the summable digits
+ fSDigitsScale = 100.;
}
// AliTRDdigitizer constructor
//
- fInputFile = NULL;
-
- fDigitsManager = NULL;
- fSDigitsManager = NULL;
- fSDigitsManagerList = NULL;
-
- fTRD = NULL;
- fGeo = NULL;
- fPRFsmp = NULL;
- fTRFsmp = NULL;
- fCTsmp = NULL;
-
+ fInputFile = 0;
+ fDigitsManager = 0;
+ fSDigitsManagerList = 0;
+ fSDigitsManager = 0;
+ fTRD = 0;
+ fGeo = 0;
+ fPar = 0;
fMasks = 0;
-
fEvent = 0;
-
fCompress = kTRUE;
fDebug = 0;
fSDigits = kFALSE;
+ fMergeSignalOnly = kFALSE;
+ fSimpleSim = kFALSE;
+ fSimpleDet = 0;
- Init();
+ // For the summable digits
+ fSDigitsScale = 100.;
}
if (fInputFile) {
fInputFile->Close();
delete fInputFile;
- fInputFile = NULL;
+ fInputFile = 0;
}
if (fDigitsManager) {
delete fDigitsManager;
- fDigitsManager = NULL;
+ fDigitsManager = 0;
}
if (fSDigitsManager) {
delete fSDigitsManager;
- fSDigitsManager = NULL;
+ fSDigitsManager = 0;
}
if (fSDigitsManagerList) {
- fSDigitsManagerList->Delete();
delete fSDigitsManagerList;
- fSDigitsManagerList = NULL;
- }
-
- if (fTRFsmp) {
- delete [] fTRFsmp;
- fTRFsmp = NULL;
- }
-
- if (fPRFsmp) {
- delete [] fPRFsmp;
- fPRFsmp = NULL;
- }
-
- if (fCTsmp) {
- delete [] fCTsmp;
- fCTsmp = NULL;
+ fSDigitsManagerList = 0;
}
if (fMasks) {
// Copy function
//
- Int_t iBin;
-
- ((AliTRDdigitizer &) d).fInputFile = NULL;
- ((AliTRDdigitizer &) d).fSDigitsManagerList = NULL;
- ((AliTRDdigitizer &) d).fSDigitsManager = NULL;
- ((AliTRDdigitizer &) d).fDigitsManager = NULL;
- ((AliTRDdigitizer &) d).fTRD = NULL;
- ((AliTRDdigitizer &) d).fGeo = NULL;
-
+ ((AliTRDdigitizer &) d).fInputFile = 0;
+ ((AliTRDdigitizer &) d).fSDigitsManagerList = 0;
+ ((AliTRDdigitizer &) d).fSDigitsManager = 0;
+ ((AliTRDdigitizer &) d).fDigitsManager = 0;
+ ((AliTRDdigitizer &) d).fTRD = 0;
+ ((AliTRDdigitizer &) d).fGeo = 0;
((AliTRDdigitizer &) d).fMasks = 0;
-
((AliTRDdigitizer &) d).fEvent = 0;
-
- ((AliTRDdigitizer &) d).fGasGain = fGasGain;
- ((AliTRDdigitizer &) d).fNoise = fNoise;
- ((AliTRDdigitizer &) d).fChipGain = fChipGain;
- ((AliTRDdigitizer &) d).fADCoutRange = fADCoutRange;
- ((AliTRDdigitizer &) d).fADCinRange = fADCinRange;
- ((AliTRDdigitizer &) d).fADCthreshold = fADCthreshold;
- ((AliTRDdigitizer &) d).fDiffusionOn = fDiffusionOn;
- ((AliTRDdigitizer &) d).fDiffusionT = fDiffusionT;
- ((AliTRDdigitizer &) d).fDiffusionL = fDiffusionL;
- ((AliTRDdigitizer &) d).fElAttachOn = fElAttachOn;
- ((AliTRDdigitizer &) d).fElAttachProp = fElAttachProp;
- ((AliTRDdigitizer &) d).fExBOn = fExBOn;
- ((AliTRDdigitizer &) d).fOmegaTau = fOmegaTau;
- ((AliTRDdigitizer &) d).fLorentzFactor = fLorentzFactor;
- ((AliTRDdigitizer &) d).fDriftVelocity = fDriftVelocity;
- ((AliTRDdigitizer &) d).fPadCoupling = fPadCoupling;
- ((AliTRDdigitizer &) d).fTimeCoupling = fTimeCoupling;
- ((AliTRDdigitizer &) d).fTimeBinWidth = fTimeBinWidth;
- ((AliTRDdigitizer &) d).fField = fField;
- ((AliTRDdigitizer &) d).fPRFOn = fPRFOn;
- ((AliTRDdigitizer &) d).fTRFOn = fTRFOn;
- ((AliTRDdigitizer &) d).fCTOn = fCTOn;
- ((AliTRDdigitizer &) d).fTCOn = fTCOn;
- ((AliTRDdigitizer &) d).fTiltingAngle = fTiltingAngle;
-
+ ((AliTRDdigitizer &) d).fPar = 0;
((AliTRDdigitizer &) d).fCompress = fCompress;
((AliTRDdigitizer &) d).fDebug = fDebug ;
((AliTRDdigitizer &) d).fSDigits = fSDigits;
((AliTRDdigitizer &) d).fSDigitsScale = fSDigitsScale;
-
- ((AliTRDdigitizer &) d).fPRFbin = fPRFbin;
- ((AliTRDdigitizer &) d).fPRFlo = fPRFlo;
- ((AliTRDdigitizer &) d).fPRFhi = fPRFhi;
- ((AliTRDdigitizer &) d).fPRFwid = fPRFwid;
- ((AliTRDdigitizer &) d).fPRFpad = fPRFpad;
- if (((AliTRDdigitizer &) d).fPRFsmp) delete [] ((AliTRDdigitizer &) d).fPRFsmp;
- ((AliTRDdigitizer &) d).fPRFsmp = new Float_t[fPRFbin];
- for (iBin = 0; iBin < fPRFbin; iBin++) {
- ((AliTRDdigitizer &) d).fPRFsmp[iBin] = fPRFsmp[iBin];
- }
- ((AliTRDdigitizer &) d).fTRFbin = fTRFbin;
- ((AliTRDdigitizer &) d).fTRFlo = fTRFlo;
- ((AliTRDdigitizer &) d).fTRFhi = fTRFhi;
- ((AliTRDdigitizer &) d).fTRFwid = fTRFwid;
- if (((AliTRDdigitizer &) d).fTRFsmp) delete [] ((AliTRDdigitizer &) d).fTRFsmp;
- ((AliTRDdigitizer &) d).fTRFsmp = new Float_t[fTRFbin];
- for (iBin = 0; iBin < fTRFbin; iBin++) {
- ((AliTRDdigitizer &) d).fTRFsmp[iBin] = fTRFsmp[iBin];
- }
-
- if (((AliTRDdigitizer &) d).fCTsmp) delete [] ((AliTRDdigitizer &) d).fCTsmp;
- ((AliTRDdigitizer &) d).fCTsmp = new Float_t[fTRFbin];
- for (iBin = 0; iBin < fTRFbin; iBin++) {
- ((AliTRDdigitizer &) d).fCTsmp[iBin] = fCTsmp[iBin];
- }
-
- ((AliTRDdigitizer &) d).fTCnexp = fTCnexp;
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::CrossTalk(Float_t time)
-{
- //
- // Applies the pad-pad capacitive cross talk
- //
-
- Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid));
- if ((iBin >= 0) && (iBin < fTRFbin)) {
- return fCTsmp[iBin];
- }
- else {
- return 0.0;
- }
-
-}
-
-//_____________________________________________________________________________
-Int_t AliTRDdigitizer::Diffusion(Float_t driftlength, Float_t *xyz)
-{
- //
- // Applies the diffusion smearing to the position of a single electron
- //
-
- Float_t driftSqrt = TMath::Sqrt(driftlength);
- Float_t sigmaT = driftSqrt * fDiffusionT;
- Float_t sigmaL = driftSqrt * fDiffusionL;
- xyz[0] = gRandom->Gaus(xyz[0], sigmaL * fLorentzFactor);
- xyz[1] = gRandom->Gaus(xyz[1], sigmaT * fLorentzFactor);
- xyz[2] = gRandom->Gaus(xyz[2], sigmaT);
-
- return 1;
-
-}
-
-//_____________________________________________________________________________
-Int_t AliTRDdigitizer::ExB(Float_t driftlength, Float_t *xyz)
-{
- //
- // Applies E x B effects to the position of a single electron
- //
-
- xyz[0] = xyz[0];
- xyz[1] = xyz[1] + fOmegaTau * driftlength;
- xyz[2] = xyz[2];
-
- return 1;
-
-}
-
-//_____________________________________________________________________________
-Int_t AliTRDdigitizer::PadResponse(Float_t signal, Float_t dist
- , Int_t plane, Float_t *pad)
-{
- //
- // Applies the pad response
- //
-
- const Int_t kNplan = AliTRDgeometry::kNplan;
-
- Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
- Int_t iOff = plane * fPRFbin;
-
- Int_t iBin0 = iBin - fPRFpad + iOff;
- Int_t iBin1 = iBin + iOff;
- Int_t iBin2 = iBin + fPRFpad + iOff;
-
- if ((iBin0 >= 0) && (iBin2 < (fPRFbin*kNplan))) {
-
- pad[0] = signal * fPRFsmp[iBin0];
- pad[1] = signal * fPRFsmp[iBin1];
- pad[2] = signal * fPRFsmp[iBin2];
-
- return 1;
-
- }
- else {
-
- return 0;
-
- }
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::TimeResponse(Float_t time)
-{
- //
- // Applies the preamp shaper time response
- //
-
- Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid));
- if ((iBin >= 0) && (iBin < fTRFbin)) {
- return fTRFsmp[iBin];
- }
- else {
- return 0.0;
- }
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::Col0Tilted(Float_t col0, Float_t rowOffset
- , Int_t plane)
-{
- //
- // Calculates col0 for tilted pads
- //
-
- Float_t diff = fTiltingAngle * rowOffset;
- return (col0 + TMath::Power(-1.0,plane) * diff);
-
+ ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly;
+ ((AliTRDdigitizer &) d).fSimpleSim = fSimpleSim;
+ ((AliTRDdigitizer &) d).fSimpleDet = fSimpleDet;
+
}
//_____________________________________________________________________________
printf("Called with debug option %d\n",fDebug);
}
+ // The AliRoot file is already connected by the manager
+ if (gAlice) {
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::Exec> ");
+ printf("AliRun object found on file.\n");
+ }
+ }
+ else {
+ printf("<AliTRDdigitizer::Exec> ");
+ printf("Could not find AliRun object.\n");
+ return;
+ }
+
Int_t nInput = fManager->GetNinputs();
fMasks = new Int_t[nInput];
for (iInput = 0; iInput < nInput; iInput++) {
fMasks[iInput] = fManager->GetMask(iInput);
}
-
- // Set the event number
- fEvent = gAlice->GetEvNumber();
// Initialization
InitDetector();
printf("Add input stream %d\n",iInput);
}
+ // check if the input tree exists
+ if (!fManager->GetInputTreeTRDS(iInput)) {
+ printf("<AliTRDdigitizer::Exec> ");
+ printf("Input stream %d does not exist\n",iInput);
+ return;
+ }
+
// Read the s-digits via digits manager
sdigitsManager = new AliTRDdigitsManager();
sdigitsManager->SetDebug(fDebug);
printf("Done\n");
}
-}
-
-//_____________________________________________________________________________
-Bool_t AliTRDdigitizer::Init()
-{
- //
- // Initializes the digitization procedure with standard values
- //
-
- // The default parameter for the digitization
- fGasGain = 2800.;
- fChipGain = 6.1;
- fNoise = 1000.;
- fADCoutRange = 1023.; // 10-bit ADC
- fADCinRange = 1000.; // 1V input range
- fADCthreshold = 1;
-
- // For the summable digits
- fSDigitsScale = 100.;
-
- // The drift velocity (cm / mus)
- fDriftVelocity = 1.5;
-
- // Diffusion on
- fDiffusionOn = 1;
-
- // E x B effects
- fExBOn = 0;
-
- // Propability for electron attachment
- fElAttachOn = 0;
- fElAttachProp = 0.0;
-
- // The pad response function
- fPRFOn = 1;
-
- // The time response function
- fTRFOn = 1;
-
- // The cross talk
- fCTOn = 0;
-
- // The tail cancelation
- fTCOn = 1;
-
- // The number of exponentials
- fTCnexp = 2;
-
- // The pad coupling factor (same number as for the TPC)
- fPadCoupling = 0.5;
-
- // The time coupling factor (same number as for the TPC)
- fTimeCoupling = 0.4;
-
- // The tilting angle for the readout pads
- SetTiltingAngle(5.0);
-
- return kTRUE;
-
-}
-
-//_____________________________________________________________________________
-Bool_t AliTRDdigitizer::ReInit()
-{
- //
- // Reinitializes the digitization procedure after a change in the parameter
- //
-
- if (!fGeo) {
- printf("AliTRDdigitizer::ReInit -- ");
- printf("No geometry defined. Run InitDetector() first\n");
- return kFALSE;
- }
-
- // Calculate the time bin width in ns
- fTimeBinWidth = fGeo->GetTimeBinSize() / fDriftVelocity * 1000.0;
-
- // The range and the binwidth for the sampled TRF
- fTRFbin = 100;
- // Start 0.2 mus before the signal
- fTRFlo = -0.2 * fDriftVelocity;
- // End the maximum driftlength after the signal
- fTRFhi = AliTRDgeometry::DrThick()
- + fGeo->GetTimeAfter() * fGeo->GetTimeBinSize();
- fTRFwid = (fTRFhi - fTRFlo) / ((Float_t) fTRFbin);
-
- // Transverse and longitudinal diffusion coefficients (Xe/CO2)
- fDiffusionT = GetDiffusionT(fDriftVelocity,fField);
- fDiffusionL = GetDiffusionL(fDriftVelocity,fField);
-
- // omega * tau.= tan(Lorentz-angle)
- fOmegaTau = GetOmegaTau(fDriftVelocity,fField);
-
- // The Lorentz factor
- if (fExBOn) {
- fLorentzFactor = 1.0 / (1.0 + fOmegaTau*fOmegaTau);
- }
- else {
- fLorentzFactor = 1.0;
- }
-
- return kTRUE;
-
-}
-
-//_____________________________________________________________________________
-void AliTRDdigitizer::SampleTRF()
-{
- //
- // Samples the time response function
- //
- // New TRF from Venelin Angelov, simulated with CADENCE
- // Pad-ground capacitance = 25 pF
- // Pad-pad cross talk capacitance = 6 pF
- //
-
- Int_t ipos1;
- Int_t ipos2;
- Float_t diff;
-
- const Int_t kNpasa = 252;
-
- Float_t time[kNpasa] = { -0.220000, -0.210000, -0.200000, -0.190000
- , -0.180000, -0.170000, -0.160000, -0.150000
- , -0.140000, -0.130000, -0.120000, -0.110000
- , -0.100000, -0.090000, -0.080000, -0.070000
- , -0.060000, -0.050000, -0.040000, -0.030000
- , -0.020000, -0.010000, -0.000000, 0.010000
- , 0.020000, 0.030000, 0.040000, 0.050000
- , 0.060000, 0.070000, 0.080000, 0.090000
- , 0.100000, 0.110000, 0.120000, 0.130000
- , 0.140000, 0.150000, 0.160000, 0.170000
- , 0.180000, 0.190000, 0.200000, 0.210000
- , 0.220000, 0.230000, 0.240000, 0.250000
- , 0.260000, 0.270000, 0.280000, 0.290000
- , 0.300000, 0.310000, 0.320000, 0.330000
- , 0.340000, 0.350000, 0.360000, 0.370000
- , 0.380000, 0.390000, 0.400000, 0.410000
- , 0.420000, 0.430000, 0.440000, 0.450000
- , 0.460000, 0.470000, 0.480000, 0.490000
- , 0.500000, 0.510000, 0.520000, 0.530000
- , 0.540000, 0.550000, 0.560000, 0.570000
- , 0.580000, 0.590000, 0.600000, 0.610000
- , 0.620000, 0.630000, 0.640000, 0.650000
- , 0.660000, 0.670000, 0.680000, 0.690000
- , 0.700000, 0.710000, 0.720000, 0.730000
- , 0.740000, 0.750000, 0.760000, 0.770000
- , 0.780000, 0.790000, 0.800000, 0.810000
- , 0.820000, 0.830000, 0.840000, 0.850000
- , 0.860000, 0.870000, 0.880000, 0.890000
- , 0.900000, 0.910000, 0.920000, 0.930000
- , 0.940000, 0.950000, 0.960000, 0.970000
- , 0.980000, 0.990000, 1.000000, 1.010000
- , 1.020000, 1.030000, 1.040000, 1.050000
- , 1.060000, 1.070000, 1.080000, 1.090000
- , 1.100000, 1.110000, 1.120000, 1.130000
- , 1.140000, 1.150000, 1.160000, 1.170000
- , 1.180000, 1.190000, 1.200000, 1.210000
- , 1.220000, 1.230000, 1.240000, 1.250000
- , 1.260000, 1.270000, 1.280000, 1.290000
- , 1.300000, 1.310000, 1.320000, 1.330000
- , 1.340000, 1.350000, 1.360000, 1.370000
- , 1.380000, 1.390000, 1.400000, 1.410000
- , 1.420000, 1.430000, 1.440000, 1.450000
- , 1.460000, 1.470000, 1.480000, 1.490000
- , 1.500000, 1.510000, 1.520000, 1.530000
- , 1.540000, 1.550000, 1.560000, 1.570000
- , 1.580000, 1.590000, 1.600000, 1.610000
- , 1.620000, 1.630000, 1.640000, 1.650000
- , 1.660000, 1.670000, 1.680000, 1.690000
- , 1.700000, 1.710000, 1.720000, 1.730000
- , 1.740000, 1.750000, 1.760000, 1.770000
- , 1.780000, 1.790000, 1.800000, 1.810000
- , 1.820000, 1.830000, 1.840000, 1.850000
- , 1.860000, 1.870000, 1.880000, 1.890000
- , 1.900000, 1.910000, 1.920000, 1.930000
- , 1.940000, 1.950000, 1.960000, 1.970000
- , 1.980000, 1.990000, 2.000000, 2.010000
- , 2.020000, 2.030000, 2.040000, 2.050000
- , 2.060000, 2.070000, 2.080000, 2.090000
- , 2.100000, 2.110000, 2.120000, 2.130000
- , 2.140000, 2.150000, 2.160000, 2.170000
- , 2.180000, 2.190000, 2.200000, 2.210000
- , 2.220000, 2.230000, 2.240000, 2.250000
- , 2.260000, 2.270000, 2.280000, 2.290000 };
-
- Float_t signal[kNpasa] = { 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000396
- , 0.005096, 0.022877, 0.061891, 0.126614
- , 0.215798, 0.324406, 0.444507, 0.566817
- , 0.683465, 0.787089, 0.873159, 0.937146
- , 0.979049, 0.999434, 1.000000, 0.983579
- , 0.954134, 0.913364, 0.866365, 0.813703
- , 0.759910, 0.706116, 0.653454, 0.603624
- , 0.556625, 0.514156, 0.475085, 0.439977
- , 0.408834, 0.380578, 0.355549, 0.333352
- , 0.313647, 0.296093, 0.280351, 0.266195
- , 0.253397, 0.241789, 0.231257, 0.221574
- , 0.212627, 0.204417, 0.196772, 0.189581
- , 0.182956, 0.176784, 0.171008, 0.165515
- , 0.160419, 0.155606, 0.151076, 0.146716
- , 0.142639, 0.138845, 0.135221, 0.131767
- , 0.128482, 0.125368, 0.122424, 0.119592
- , 0.116931, 0.114326, 0.111891, 0.109513
- , 0.107248, 0.105096, 0.103058, 0.101019
- , 0.099151, 0.097282, 0.095527, 0.093715
- , 0.092129, 0.090544, 0.088958, 0.087429
- , 0.086014, 0.084598, 0.083239, 0.081880
- , 0.080634, 0.079388, 0.078143, 0.077010
- , 0.075878, 0.074745, 0.073669, 0.072593
- , 0.071574, 0.070612, 0.069649, 0.068686
- , 0.067780, 0.066874, 0.066025, 0.065176
- , 0.064326, 0.063533, 0.062684, 0.061948
- , 0.061212, 0.060419, 0.059740, 0.059003
- , 0.058324, 0.057644, 0.057022, 0.056342
- , 0.055663, 0.055096, 0.054473, 0.053851
- , 0.053284, 0.052718, 0.052152, 0.051585
- , 0.051019, 0.050566, 0.050000, 0.049490
- , 0.048981, 0.048528, 0.048018, 0.047508
- , 0.047055, 0.046602, 0.046149, 0.045696
- , 0.045300, 0.044904, 0.044451, 0.044054
- , 0.043658, 0.043205, 0.042865, 0.042469
- , 0.042072, 0.041733, 0.041336, 0.040997
- , 0.040657, 0.040260, 0.039921, 0.039581
- , 0.039241, 0.038958, 0.038618, 0.038335
- , 0.037995, 0.037656, 0.037373, 0.037089
- , 0.036806, 0.036467, 0.036183, 0.035900
- , 0.035617, 0.035334, 0.035108, 0.034824
- , 0.034541, 0.034315, 0.034032, 0.033805
- , 0.033522, 0.033296, 0.033069, 0.032786
- , 0.032559, 0.032333, 0.032106, 0.031880
- , 0.031653, 0.031427, 0.031200, 0.030974
- , 0.030804, 0.030578, 0.030351, 0.030125
- , 0.029955, 0.029785, 0.029558, 0.029332
- , 0.029162, 0.028992, 0.028766, 0.028596
- , 0.028426, 0.028199, 0.028086, 0.027860
- , 0.027746, 0.027633, 0.027463, 0.027293
- , 0.027180, 0.027067, 0.026954, 0.026954
- , 0.026840, 0.026727, 0.026727, 0.026614
- , 0.026614, 0.026614, 0.026557, 0.026501
- , 0.026501, 0.026501, 0.026501, 0.026501
- , 0.026501, 0.026501, 0.026501, 0.026387
- , 0.026387, 0.026387, 0.026387, 0.026387
- , 0.026387, 0.026387, 0.026387, 0.026387
- , 0.026387, 0.026387, 0.026387, 0.026387
- , 0.026387, 0.026274, 0.026274, 0.026274
- , 0.026274, 0.026274, 0.026274, 0.026274
- , 0.026274, 0.026274, 0.026274, 0.026274
- , 0.026274, 0.026274, 0.026274, 0.026161 };
-
- Float_t xtalk[kNpasa] = { 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000113
- , 0.000793, 0.003058, 0.007305, 0.013194
- , 0.019706, 0.025821, 0.030634, 0.033465
- , 0.034145, 0.032729, 0.029615, 0.025198
- , 0.019989, 0.014496, 0.009003, 0.003964
- , -0.000510, -0.004190, -0.007191, -0.009400
- , -0.010872, -0.011835, -0.012288, -0.012288
- , -0.012005, -0.011495, -0.010872, -0.010136
- , -0.009343, -0.008607, -0.007871, -0.007191
- , -0.006512, -0.005946, -0.005379, -0.004926
- , -0.004473, -0.004077, -0.003737, -0.003398
- , -0.003114, -0.002831, -0.002605, -0.002378
- , -0.002208, -0.002039, -0.001869, -0.001699
- , -0.001585, -0.001472, -0.001359, -0.001246
- , -0.001132, -0.001019, -0.001019, -0.000906
- , -0.000906, -0.000793, -0.000793, -0.000680
- , -0.000680, -0.000680, -0.000566, -0.000566
- , -0.000566, -0.000566, -0.000453, -0.000453
- , -0.000453, -0.000453, -0.000453, -0.000453
- , -0.000340, -0.000340, -0.000340, -0.000340
- , -0.000340, -0.000340, -0.000340, -0.000340
- , -0.000340, -0.000340, -0.000340, -0.000340
- , -0.000340, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000227
- , -0.000227, -0.000227, -0.000227, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, -0.000113
- , -0.000113, -0.000113, -0.000113, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000
- , 0.000000, 0.000000, 0.000000, 0.000000 };
-
- // increase CrossTalk to measurements
- for (Int_t ipasa = 0; ipasa < kNpasa; ipasa++) {
- xtalk[ipasa] *= 1.75;
- }
-
- if (fTRFsmp) delete [] fTRFsmp;
- fTRFsmp = new Float_t[fTRFbin];
- if (fCTsmp) delete [] fCTsmp;
- fCTsmp = new Float_t[fTRFbin];
-
- Float_t loTRF = TMath::Max(fTRFlo / fDriftVelocity,time[0]);
- Float_t hiTRF = TMath::Min(fTRFhi / fDriftVelocity,time[kNpasa-1]);
- Float_t binWidth = (hiTRF - loTRF) / ((Float_t) fTRFbin);
-
- // Take the linear interpolation
- for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
-
- Float_t bin = (((Float_t) iBin) + 0.5) * binWidth + loTRF;
- ipos1 = ipos2 = 0;
- diff = 0;
- do {
- diff = bin - time[ipos2++];
- } while (diff > 0);
- ipos2--;
- if (ipos2 >= kNpasa) ipos2 = kNpasa - 1;
- ipos1 = ipos2 - 1;
-
- fTRFsmp[iBin] = signal[ipos2]
- + diff * (signal[ipos2] - signal[ipos1])
- / ( time[ipos2] - time[ipos1]);
-
- fCTsmp[iBin] = xtalk[ipos2]
- + diff * (xtalk[ipos2] - xtalk[ipos1])
- / ( time[ipos2] - time[ipos1]);
-
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDdigitizer::SamplePRF()
-{
- //
- // Samples the pad response function
- //
-
- const Int_t kNplan = AliTRDgeometry::kNplan;
- const Int_t kPRFbin = 61;
-
- Float_t prf[kNplan][kPRFbin] = { { 0.018570, 0.022270, 0.026710, 0.032010
- , 0.038350, 0.045920, 0.054930, 0.065650
- , 0.078370, 0.093420, 0.111150, 0.131940
- , 0.156160, 0.184160, 0.216220, 0.252470
- , 0.292860, 0.337030, 0.384330, 0.433750
- , 0.484010, 0.533630, 0.581150, 0.625200
- , 0.664710, 0.698860, 0.727130, 0.749230
- , 0.765050, 0.774540, 0.777700, 0.774540
- , 0.765050, 0.749230, 0.727130, 0.698860
- , 0.664710, 0.625200, 0.581150, 0.533630
- , 0.484010, 0.433750, 0.384330, 0.337030
- , 0.292860, 0.252470, 0.216220, 0.184160
- , 0.156160, 0.131940, 0.111150, 0.093420
- , 0.078370, 0.065650, 0.054930, 0.045920
- , 0.038350, 0.032010, 0.026710, 0.022270
- , 0.018570 }
- , { 0.015730, 0.019040, 0.023030, 0.027840
- , 0.033650, 0.040650, 0.049060, 0.059160
- , 0.071260, 0.085710, 0.102910, 0.123270
- , 0.147240, 0.175220, 0.207590, 0.244540
- , 0.286090, 0.331920, 0.381350, 0.433290
- , 0.486290, 0.538710, 0.588870, 0.635280
- , 0.676760, 0.712460, 0.741890, 0.764810
- , 0.781150, 0.790930, 0.794180, 0.790930
- , 0.781150, 0.764810, 0.741890, 0.712460
- , 0.676760, 0.635280, 0.588870, 0.538710
- , 0.486290, 0.433290, 0.381350, 0.331920
- , 0.286090, 0.244540, 0.207590, 0.175220
- , 0.147240, 0.123270, 0.102910, 0.085710
- , 0.071260, 0.059160, 0.049060, 0.040650
- , 0.033650, 0.027840, 0.023030, 0.019040
- , 0.015730 }
- , { 0.013330, 0.016270, 0.019850, 0.024210
- , 0.029510, 0.035960, 0.043790, 0.053280
- , 0.064740, 0.078580, 0.095190, 0.115070
- , 0.138700, 0.166570, 0.199120, 0.236660
- , 0.279260, 0.326660, 0.378140, 0.432540
- , 0.488260, 0.543440, 0.596200, 0.644900
- , 0.688240, 0.725380, 0.755840, 0.779470
- , 0.796260, 0.806280, 0.809610, 0.806280
- , 0.796260, 0.779470, 0.755840, 0.725380
- , 0.688240, 0.644900, 0.596200, 0.543440
- , 0.488260, 0.432540, 0.378140, 0.326660
- , 0.279260, 0.236660, 0.199120, 0.166570
- , 0.138700, 0.115070, 0.095190, 0.078580
- , 0.064740, 0.053280, 0.043790, 0.035960
- , 0.029510, 0.024210, 0.019850, 0.016270
- , 0.013330 }
- , { 0.011280, 0.013890, 0.017090, 0.021030
- , 0.025870, 0.031800, 0.039060, 0.047940
- , 0.058790, 0.071980, 0.087990, 0.107330
- , 0.130550, 0.158220, 0.190850, 0.228870
- , 0.272410, 0.321270, 0.374740, 0.431560
- , 0.489960, 0.547870, 0.603180, 0.654080
- , 0.699190, 0.737640, 0.769030, 0.793260
- , 0.810410, 0.820620, 0.824010, 0.820620
- , 0.810410, 0.793260, 0.769030, 0.737640
- , 0.699190, 0.654080, 0.603180, 0.547870
- , 0.489960, 0.431560, 0.374740, 0.321270
- , 0.272410, 0.228870, 0.190850, 0.158220
- , 0.130550, 0.107330, 0.087990, 0.071980
- , 0.058790, 0.047940, 0.039060, 0.031800
- , 0.025870, 0.021030, 0.017090, 0.013890
- , 0.011280 }
- , { 0.009550, 0.011860, 0.014720, 0.018270
- , 0.022660, 0.028100, 0.034820, 0.043120
- , 0.053340, 0.065900, 0.081280, 0.100040
- , 0.122800, 0.150180, 0.182800, 0.221170
- , 0.265550, 0.315790, 0.371180, 0.430370
- , 0.491430, 0.552030, 0.609840, 0.662860
- , 0.709630, 0.749290, 0.781490, 0.806220
- , 0.823650, 0.834000, 0.837430, 0.834000
- , 0.823650, 0.806220, 0.781490, 0.749290
- , 0.709630, 0.662860, 0.609840, 0.552030
- , 0.491430, 0.430370, 0.371180, 0.315790
- , 0.265550, 0.221170, 0.182800, 0.150180
- , 0.122800, 0.100040, 0.081280, 0.065900
- , 0.053340, 0.043120, 0.034820, 0.028100
- , 0.022660, 0.018270, 0.014720, 0.011860
- , 0.009550 }
- , { 0.008080, 0.010120, 0.012670, 0.015860
- , 0.019840, 0.024820, 0.031030, 0.038760
- , 0.048370, 0.060300, 0.075040, 0.093200
- , 0.115430, 0.142450, 0.174980, 0.213610
- , 0.258720, 0.310250, 0.367480, 0.429010
- , 0.492690, 0.555950, 0.616210, 0.671280
- , 0.719600, 0.760350, 0.793250, 0.818380
- , 0.836020, 0.846460, 0.849920, 0.846460
- , 0.836020, 0.818380, 0.793250, 0.760350
- , 0.719600, 0.671280, 0.616210, 0.555950
- , 0.492690, 0.429010, 0.367480, 0.310250
- , 0.258720, 0.213610, 0.174980, 0.142450
- , 0.115430, 0.093200, 0.075040, 0.060300
- , 0.048370, 0.038760, 0.031030, 0.024820
- , 0.019840, 0.015860, 0.012670, 0.010120
- , 0.008080 } };
-
- fPRFlo = -1.5;
- fPRFhi = 1.5;
- fPRFbin = kPRFbin;
- fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
- fPRFpad = ((Int_t) (1.0 / fPRFwid));
-
- if (fPRFsmp) delete [] fPRFsmp;
- fPRFsmp = new Float_t[kNplan*fPRFbin];
- for (Int_t iPla = 0; iPla < kNplan; iPla++) {
- for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
- fPRFsmp[iPla*kPRFbin+iBin] = prf[iPla][iBin];
- }
- }
+ DeleteSDigitsManager();
}
//
// Connect the AliRoot file containing Geometry, Kine, and Hits
- fInputFile = (TFile*) gROOT->GetListOfFiles()->FindObject(file);
+ fInputFile = (TFile *) gROOT->GetListOfFiles()->FindObject(file);
if (!fInputFile) {
if (fDebug > 0) {
printf("<AliTRDdigitizer::Open> ");
}
}
- gAlice = (AliRun*) fInputFile->Get("gAlice");
+ gAlice = (AliRun *) fInputFile->Get("gAlice");
if (gAlice) {
if (fDebug > 0) {
printf("<AliTRDdigitizer::Open> ");
//
// Get the pointer to the detector class and check for version 1
- fTRD = (AliTRD*) gAlice->GetDetector("TRD");
+ fTRD = (AliTRD *) gAlice->GetDetector("TRD");
+ if (!fTRD) {
+ printf("<AliTRDdigitizer::InitDetector> ");
+ printf("No TRD module found\n");
+ exit(1);
+ }
if (fTRD->IsVersion() != 1) {
printf("<AliTRDdigitizer::InitDetector> ");
printf("TRD must be version 1 (slow simulator).\n");
printf("Geometry version %d\n",fGeo->IsVersion());
}
- // The magnetic field strength in Tesla
- fField = 0.2 * gAlice->Field()->Factor();
-
// Create a digits manager
fDigitsManager = new AliTRDdigitsManager();
fDigitsManager->SetSDigits(fSDigits);
// The list for the input s-digits manager to be merged
fSDigitsManagerList = new TList();
- return ReInit();
+ return kTRUE;
}
//_____________________________________________________________________________
-Bool_t AliTRDdigitizer::MakeBranch(const Char_t *file)
+Bool_t AliTRDdigitizer::MakeBranch(const Char_t *file) const
{
//
// Create the branches for the digits array
AliTRDdataArrayI *digits = 0;
AliTRDdataArrayI *dictionary[kNDict];
+ // Create a default parameter class if none is defined
+ if (!fPar) {
+ fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter");
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::MakeDigits> ");
+ printf("Create the default parameter object\n");
+ }
+ }
+
// Create a container for the amplitudes
AliTRDsegmentArray *signalsArray
= new AliTRDsegmentArray("AliTRDdataArrayF"
,AliTRDgeometry::Ndet());
- if (fTRFOn) {
- timeTRDbeg = ((Int_t) (-fTRFlo / fGeo->GetTimeBinSize())) - 1;
- timeTRDend = ((Int_t) ( fTRFhi / fGeo->GetTimeBinSize())) - 1;
+ if (fPar->TRFOn()) {
+ timeTRDbeg = ((Int_t) (-fPar->GetTRFlo() / fPar->GetTimeBinSize())) - 1;
+ timeTRDend = ((Int_t) ( fPar->GetTRFhi() / fPar->GetTimeBinSize())) - 1;
if (fDebug > 0) {
printf("<AliTRDdigitizer::MakeDigits> ");
printf("Sample the TRF between -%d and %d\n",timeTRDbeg,timeTRDend);
}
}
- Float_t elAttachProp = fElAttachProp / 100.;
-
- // Create the sampled PRF
- SamplePRF();
-
- // Create the sampled TRF
- SampleTRF();
+ Float_t elAttachProp = fPar->GetElAttachProp() / 100.;
if (!fGeo) {
printf("<AliTRDdigitizer::MakeDigits> ");
}
// Get the pointer to the hit tree
- TTree *HitTree = gAlice->TreeH();
+ TTree *hitTree = gAlice->TreeH();
// Get the number of entries in the hit tree
// (Number of primary particles creating a hit somewhere)
- Int_t nTrack = (Int_t) HitTree->GetEntries();
- if (fDebug > 0) {
- printf("<AliTRDdigitizer::MakeDigits> ");
- printf("Found %d primary particles\n",nTrack);
- }
+ Int_t nTrack = 1;
+ if (!fSimpleSim) {
+ nTrack = (Int_t) hitTree->GetEntries();
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::MakeDigits> ");
+ printf("Found %d primary particles\n",nTrack);
+ }
+ }
Int_t detectorOld = -1;
Int_t countHits = 0;
// Loop through all entries in the tree
for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) {
- gAlice->ResetHits();
- nBytes += HitTree->GetEvent(iTrack);
+ if (!fSimpleSim) {
+ gAlice->ResetHits();
+ nBytes += hitTree->GetEvent(iTrack);
+ }
// Loop through the TRD hits
Int_t iHit = 0;
Int_t plane = fGeo->GetPlane(detector);
Int_t sector = fGeo->GetSector(detector);
Int_t chamber = fGeo->GetChamber(detector);
- Int_t nRowMax = fGeo->GetRowMax(plane,chamber,sector);
- Int_t nColMax = fGeo->GetColMax(plane);
- Int_t nTimeMax = fGeo->GetTimeMax();
- Int_t nTimeBefore = fGeo->GetTimeBefore();
- Int_t nTimeAfter = fGeo->GetTimeAfter();
- Int_t nTimeTotal = fGeo->GetTimeTotal();
- Float_t row0 = fGeo->GetRow0(plane,chamber,sector);
- Float_t col0 = fGeo->GetCol0(plane);
- Float_t time0 = fGeo->GetTime0(plane);
- Float_t rowPadSize = fGeo->GetRowPadSize(plane,chamber,sector);
- Float_t colPadSize = fGeo->GetColPadSize(plane);
- Float_t timeBinSize = fGeo->GetTimeBinSize();
+ Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector);
+ Int_t nColMax = fPar->GetColMax(plane);
+ Int_t nTimeMax = fPar->GetTimeMax();
+ Int_t nTimeBefore = fPar->GetTimeBefore();
+ Int_t nTimeAfter = fPar->GetTimeAfter();
+ Int_t nTimeTotal = fPar->GetTimeTotal();
+ Float_t row0 = fPar->GetRow0(plane,chamber,sector);
+ Float_t col0 = fPar->GetCol0(plane);
+ Float_t time0 = fPar->GetTime0(plane);
+ Float_t rowPadSize = fPar->GetRowPadSize(plane,chamber,sector);
+ Float_t colPadSize = fPar->GetColPadSize(plane);
+ Float_t timeBinSize = fPar->GetTimeBinSize();
Float_t divideRow = 1.0 / rowPadSize;
Float_t divideCol = 1.0 / colPadSize;
Float_t divideTime = 1.0 / timeBinSize;
}
signals->Allocate(nRowMax,nColMax,nTimeTotal);
}
+ else if (fSimpleSim) {
+ // Clear an old one for the simple simulation
+ if (fDebug > 1) {
+ printf("<AliTRDdigitizer::MakeDigits> ");
+ printf("Clear a old container ... ");
+ }
+ signals->Clear();
+ }
else {
// Expand an existing one
if (fCompress) {
}
}
// The same for the dictionary
- for (iDict = 0; iDict < kNDict; iDict++) {
- dictionary[iDict] = fDigitsManager->GetDictionary(detector,iDict);
- if (dictionary[iDict]->GetNtime() == 0) {
- dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal);
- }
- else {
- if (fCompress) dictionary[iDict]->Expand();
+ if (!fSimpleSim) {
+ for (iDict = 0; iDict < kNDict; iDict++) {
+ dictionary[iDict] = fDigitsManager->GetDictionary(detector,iDict);
+ if (dictionary[iDict]->GetNtime() == 0) {
+ dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal);
+ }
+ else {
+ if (fCompress) dictionary[iDict]->Expand();
+ }
}
}
if (fDebug > 1) printf("done\n");
}
// Rotate the sectors on top of each other
- fGeo->Rotate(detector,pos,rot);
+ if (fSimpleSim) {
+ rot[0] = pos[0];
+ rot[1] = pos[1];
+ rot[2] = pos[2];
+ }
+ else {
+ fGeo->Rotate(detector,pos,rot);
+ }
// The driftlength. It is negative if the hit is in the
// amplification region.
// the position relativ to the wire. This non-isochronity needs still
// to be implemented.
Float_t driftlengthL = TMath::Abs(driftlength + kAmWidth);
- if (fExBOn) driftlengthL /= TMath::Sqrt(fLorentzFactor);
+ if (fPar->ExBOn()) driftlengthL /= TMath::Sqrt(fPar->GetLorentzFactor());
// Loop over all electrons of this hit
// TR photons produce hits with negative charge
xyz[2] = rot[2];
// Electron attachment
- if (fElAttachOn) {
+ if (fPar->ElAttachOn()) {
if (gRandom->Rndm() < (driftlengthL * elAttachProp))
continue;
}
// Apply the diffusion smearing
- if (fDiffusionOn) {
- if (!(Diffusion(driftlengthL,xyz))) continue;
+ if (fPar->DiffusionOn()) {
+ if (!(fPar->Diffusion(driftlengthL,xyz))) continue;
}
// Apply E x B effects (depends on drift direction)
- if (fExBOn) {
- if (!(ExB(driftlength+kAmWidth,xyz))) continue;
+ if (fPar->ExBOn()) {
+ if (!(fPar->ExB(driftlength+kAmWidth,xyz))) continue;
}
// The electron position after diffusion and ExB in pad coordinates
Float_t rowOffset = ((((Float_t) rowE) + 0.5) * rowPadSize) - rowDist;
// The pad column (rphi-direction)
- Float_t col0tilt = Col0Tilted(col0,rowOffset,plane);
+ Float_t col0tilt = fPar->Col0Tilted(col0,rowOffset,plane);
Float_t colDist = xyz[1] - col0tilt;
Int_t colE = ((Int_t) (colDist * divideCol));
if ((colE < 0) || (colE >= nColMax)) continue;
do {
ggRndm = gRandom->Rndm();
} while (ggRndm <= 0);
- Int_t signal = (Int_t) (-fGasGain * TMath::Log(ggRndm));
+ Int_t signal = (Int_t) (-fPar->GetGasGain() * TMath::Log(ggRndm));
// Apply the pad response
- if (fPRFOn) {
+ if (fPar->PRFOn()) {
// The distance of the electron to the center of the pad
// in units of pad width
Float_t dist = - colOffset * divideCol;
- if (!(PadResponse(signal,dist,plane,padSignal))) continue;
+ if (!(fPar->PadResponse(signal,dist,plane,padSignal))) continue;
}
else {
padSignal[0] = 0.0;
Float_t timeResponse = 1.0;
Float_t crossTalk = 0.0;
Float_t time = (iTimeBin - timeE) * timeBinSize + timeOffset;
- if (fTRFOn) {
- timeResponse = TimeResponse(time);
+ if (fPar->TRFOn()) {
+ timeResponse = fPar->TimeResponse(time);
}
- if (fCTOn) {
- crossTalk = CrossTalk(time);
+ if (fPar->CTOn()) {
+ crossTalk = fPar->CrossTalk(time);
}
signalOld[0] = 0.0;
// Store the track index in the dictionary
// Note: We store index+1 in order to allow the array to be compressed
- if (signalOld[iPad] > 0) {
+ if ((signalOld[iPad] > 0) && (!fSimpleSim)) {
for (iDict = 0; iDict < kNDict; iDict++) {
Int_t oldTrack = dictionary[iDict]->GetDataUnchecked(rowE
,colPos
printf("Finished analyzing %d hits\n",countHits);
}
- // The total conversion factor
- Float_t convert = kEl2fC * fPadCoupling * fTimeCoupling * fChipGain;
+ // The coupling factor
+ Float_t coupling = fPar->GetPadCoupling()
+ * fPar->GetTimeCoupling();
+
+ // The conversion factor
+ Float_t convert = kEl2fC
+ * fPar->GetChipGain();
// Loop through all chambers to finalize the digits
- for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) {
+ Int_t iDetBeg = 0;
+ Int_t iDetEnd = AliTRDgeometry::Ndet();
+ if (fSimpleSim) {
+ iDetBeg = fSimpleDet;
+ iDetEnd = iDetBeg + 1;
+ }
+ for (Int_t iDet = iDetBeg; iDet < iDetEnd; iDet++) {
Int_t plane = fGeo->GetPlane(iDet);
Int_t sector = fGeo->GetSector(iDet);
Int_t chamber = fGeo->GetChamber(iDet);
- Int_t nRowMax = fGeo->GetRowMax(plane,chamber,sector);
- Int_t nColMax = fGeo->GetColMax(plane);
- Int_t nTimeMax = fGeo->GetTimeMax();
- Int_t nTimeTotal = fGeo->GetTimeTotal();
+ Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector);
+ Int_t nColMax = fPar->GetColMax(plane);
+ Int_t nTimeMax = fPar->GetTimeMax();
+ Int_t nTimeTotal = fPar->GetTimeTotal();
Double_t *inADC = new Double_t[nTimeTotal];
Double_t *outADC = new Double_t[nTimeTotal];
// Add a container for the digits of this detector
digits = fDigitsManager->GetDigits(iDet);
// Allocate memory space for the digits buffer
- digits->Allocate(nRowMax,nColMax,nTimeTotal);
-
+ if (digits->GetNtime() == 0) {
+ digits->Allocate(nRowMax,nColMax,nTimeTotal);
+ }
+ else if (fSimpleSim) {
+ digits->Clear();
+ }
+
// Get the signal container
signals = (AliTRDdataArrayF *) signalsArray->At(iDet);
if (signals->GetNtime() == 0) {
if (fCompress) signals->Expand();
}
// Create the missing dictionary containers
- for (iDict = 0; iDict < kNDict; iDict++) {
- dictionary[iDict] = fDigitsManager->GetDictionary(iDet,iDict);
- if (dictionary[iDict]->GetNtime() == 0) {
- dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal);
- }
+ if (!fSimpleSim) {
+ for (iDict = 0; iDict < kNDict; iDict++) {
+ dictionary[iDict] = fDigitsManager->GetDictionary(iDet,iDict);
+ if (dictionary[iDict]->GetNtime() == 0) {
+ dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal);
+ }
+ }
}
Int_t nDigits = 0;
signalAmp *= fSDigitsScale;
signalAmp = TMath::Min(signalAmp,(Float_t) 1.0e9);
Int_t adc = (Int_t) signalAmp;
- nDigits++;
+ if (adc > 0) nDigits++;
digits->SetDataUnchecked(iRow,iCol,iTime,adc);
}
for (iTime = 0; iTime < nTimeTotal; iTime++) {
Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime);
+ // Pad and time coupling
+ signalAmp *= coupling;
// Add the noise
- signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,fNoise),0.0);
+ signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,fPar->GetNoise()),0.0);
// Convert to mV
signalAmp *= convert;
// Convert to ADC counts. Set the overflow-bit fADCoutRange if the
// signal is larger than fADCinRange
Int_t adc = 0;
- if (signalAmp >= fADCinRange) {
- adc = ((Int_t) fADCoutRange);
+ if (signalAmp >= fPar->GetADCinRange()) {
+ adc = ((Int_t) fPar->GetADCoutRange());
}
else {
- adc = ((Int_t) (signalAmp * (fADCoutRange / fADCinRange)));
+ adc = ((Int_t) (signalAmp * (fPar->GetADCoutRange()
+ / fPar->GetADCinRange())));
}
inADC[iTime] = adc;
outADC[iTime] = adc;
}
// Apply the tail cancelation via the digital filter
- if (fTCOn) {
- DeConvExp(inADC,outADC,nTimeTotal,fTCnexp);
+ if (fPar->TCOn()) {
+ DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp());
}
for (iTime = 0; iTime < nTimeTotal; iTime++) {
// Store the amplitude of the digit if above threshold
- if (outADC[iTime] > fADCthreshold) {
+ if (outADC[iTime] > fPar->GetADCthreshold()) {
if (fDebug > 2) {
printf(" iRow = %d, iCol = %d, iTime = %d, adc = %f\n"
,iRow,iCol,iTime,outADC[iTime]);
}
// Compress the arrays
- digits->Compress(1,0);
- for (iDict = 0; iDict < kNDict; iDict++) {
- dictionary[iDict]->Compress(1,0);
- }
+ if (!fSimpleSim) {
+ digits->Compress(1,0);
+ for (iDict = 0; iDict < kNDict; iDict++) {
+ dictionary[iDict]->Compress(1,0);
+ }
- totalSizeDigits += digits->GetSize();
- totalSizeDict0 += dictionary[0]->GetSize();
- totalSizeDict1 += dictionary[1]->GetSize();
- totalSizeDict2 += dictionary[2]->GetSize();
+ totalSizeDigits += digits->GetSize();
+ totalSizeDict0 += dictionary[0]->GetSize();
+ totalSizeDict1 += dictionary[1]->GetSize();
+ totalSizeDict2 += dictionary[2]->GetSize();
- Float_t nPixel = nRowMax * nColMax * nTimeMax;
- if (fDebug > 0) {
- printf("<AliTRDdigitizer::MakeDigits> ");
- printf("Found %d digits in detector %d (%3.0f).\n"
- ,nDigits,iDet
- ,100.0 * ((Float_t) nDigits) / nPixel);
- }
+ Float_t nPixel = nRowMax * nColMax * nTimeMax;
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::MakeDigits> ");
+ printf("Found %d digits in detector %d (%3.0f).\n"
+ ,nDigits,iDet
+ ,100.0 * ((Float_t) nDigits) / nPixel);
+ }
- if (fCompress) signals->Compress(1,0);
+ if (fCompress) signals->Compress(1,0);
+
+ }
delete [] inADC;
delete [] outADC;
}
+ if (signalsArray) {
+ delete signalsArray;
+ signalsArray = 0;
+ }
+
if (fDebug > 0) {
printf("<AliTRDdigitizer::MakeDigits> ");
printf("Total number of analyzed hits = %d\n",countHits);
- printf("<AliTRDdigitizer::MakeDigits> ");
- printf("Total digits data size = %d, %d, %d, %d\n",totalSizeDigits
- ,totalSizeDict0
- ,totalSizeDict1
- ,totalSizeDict2);
+ if (!fSimpleSim) {
+ printf("<AliTRDdigitizer::MakeDigits> ");
+ printf("Total digits data size = %d, %d, %d, %d\n",totalSizeDigits
+ ,totalSizeDict0
+ ,totalSizeDict1
+ ,totalSizeDict2);
+ }
}
return kTRUE;
}
+//_____________________________________________________________________________
+void AliTRDdigitizer::DeleteSDigitsManager()
+{
+ //
+ // Removes digits manager from the input list.
+ //
+
+ fSDigitsManagerList->Delete();
+
+}
+
//_____________________________________________________________________________
Bool_t AliTRDdigitizer::ConvertSDigits()
{
Int_t iCol;
Int_t iTime;
- if (fDebug > 0) {
- this->Dump();
+ if (!fPar) {
+ fPar = new AliTRDparameter("TRDparameter","Standard parameter");
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::ConvertSDigits> ");
+ printf("Create the default parameter object\n");
+ }
}
Double_t sDigitsScale = 1.0 / GetSDigitsScale();
- Double_t noise = GetNoise();
- Double_t padCoupling = GetPadCoupling();
- Double_t timeCoupling = GetTimeCoupling();
- Double_t chipGain = GetChipGain();
- Double_t convert = kEl2fC * padCoupling * timeCoupling * chipGain;;
- Double_t adcInRange = GetADCinRange();
- Double_t adcOutRange = GetADCoutRange();
- Int_t adcThreshold = GetADCthreshold();
+ Double_t noise = fPar->GetNoise();
+ Double_t padCoupling = fPar->GetPadCoupling();
+ Double_t timeCoupling = fPar->GetTimeCoupling();
+ Double_t chipGain = fPar->GetChipGain();
+ Double_t coupling = padCoupling * timeCoupling;
+ Double_t convert = kEl2fC * chipGain;
+ Double_t adcInRange = fPar->GetADCinRange();
+ Double_t adcOutRange = fPar->GetADCoutRange();
+ Int_t adcThreshold = fPar->GetADCthreshold();
AliTRDdataArrayI *digitsIn;
AliTRDdataArrayI *digitsOut;
Int_t plane = fGeo->GetPlane(iDet);
Int_t sector = fGeo->GetSector(iDet);
Int_t chamber = fGeo->GetChamber(iDet);
- Int_t nRowMax = fGeo->GetRowMax(plane,chamber,sector);
- Int_t nColMax = fGeo->GetColMax(plane);
- Int_t nTimeTotal = fGeo->GetTimeTotal();
+ Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector);
+ Int_t nColMax = fPar->GetColMax(plane);
+ Int_t nTimeTotal = fPar->GetTimeTotal();
Double_t *inADC = new Double_t[nTimeTotal];
Double_t *outADC = new Double_t[nTimeTotal];
for (iTime = 0; iTime < nTimeTotal; iTime++) {
Double_t signal = (Double_t) digitsIn->GetDataUnchecked(iRow,iCol,iTime);
signal *= sDigitsScale;
+ // Pad and time coupling
+ signal *= coupling;
// Add the noise
signal = TMath::Max((Double_t) gRandom->Gaus(signal,noise),0.0);
// Convert to mV
}
// Apply the tail cancelation via the digital filter
- if (fTCOn) {
- DeConvExp(inADC,outADC,nTimeTotal,fTCnexp);
+ if (fPar->TCOn()) {
+ DeConvExp(inADC,outADC,nTimeTotal,fPar->GetTCnexp());
}
for (iTime = 0; iTime < nTimeTotal; iTime++) {
// Number of track dictionary arrays
const Int_t kNDict = AliTRDdigitsManager::kNDict;
+ if (!fPar) {
+ fPar = new AliTRDparameter("TRDparameter","Standard parameter");
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::MergeSDigits> ");
+ printf("Create the default parameter object\n");
+ }
+ }
+
Int_t iDict = 0;
Int_t jDict = 0;
Int_t plane = fGeo->GetPlane(iDet);
Int_t sector = fGeo->GetSector(iDet);
Int_t chamber = fGeo->GetChamber(iDet);
- Int_t nRowMax = fGeo->GetRowMax(plane,chamber,sector);
- Int_t nColMax = fGeo->GetColMax(plane);
- Int_t nTimeTotal = fGeo->GetTimeTotal();
+ Int_t nRowMax = fPar->GetRowMax(plane,chamber,sector);
+ Int_t nColMax = fPar->GetColMax(plane);
+ Int_t nTimeTotal = fPar->GetTimeTotal();
// Loop through the pixels of one detector and add the signals
digitsA = fSDigitsManager->GetDigits(iDet);
dictionaryB[iDict]->Expand();
}
- if (fDebug > 0) {
- printf("<AliTRDdigitizer::MergeSDigits> ");
- printf("Merge detector %d of input no.%d\n",iDet,iMerge+1);
+ // Merge only detectors that contain a signal
+ Bool_t doMerge = kTRUE;
+ if (fMergeSignalOnly) {
+ if (digitsA->GetOverThreshold(0) == 0) {
+ doMerge = kFALSE;
+ }
}
- for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) {
- for (Int_t iCol = 0; iCol < nColMax; iCol++ ) {
- for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {
+ if (doMerge) {
- // Add the amplitudes of the summable digits
- Int_t ampA = digitsA->GetDataUnchecked(iRow,iCol,iTime);
- Int_t ampB = digitsB->GetDataUnchecked(iRow,iCol,iTime);
- ampA += ampB;
- digitsA->SetDataUnchecked(iRow,iCol,iTime,ampA);
+ if (fDebug > 0) {
+ printf("<AliTRDdigitizer::MergeSDigits> ");
+ printf("Merge detector %d of input no.%d\n",iDet,iMerge+1);
+ }
- // Add the mask to the track id if defined.
- for (iDict = 0; iDict < kNDict; iDict++) {
- Int_t trackB = dictionaryB[iDict]->GetDataUnchecked(iRow,iCol,iTime);
- if ((fMasks) && (trackB > 0)) {
- for (jDict = 0; jDict < kNDict; jDict++) {
- Int_t trackA = dictionaryA[iDict]->GetDataUnchecked(iRow,iCol,iTime);
- if (trackA == 0) {
- trackA = trackB + fMasks[iMerge];
- dictionaryA[iDict]->SetDataUnchecked(iRow,iCol,iTime,trackA);
- }
- }
+ for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) {
+ for (Int_t iCol = 0; iCol < nColMax; iCol++ ) {
+ for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {
+
+ // Add the amplitudes of the summable digits
+ Int_t ampA = digitsA->GetDataUnchecked(iRow,iCol,iTime);
+ Int_t ampB = digitsB->GetDataUnchecked(iRow,iCol,iTime);
+ ampA += ampB;
+ digitsA->SetDataUnchecked(iRow,iCol,iTime,ampA);
+
+ // Add the mask to the track id if defined.
+ for (iDict = 0; iDict < kNDict; iDict++) {
+ Int_t trackB = dictionaryB[iDict]->GetDataUnchecked(iRow,iCol,iTime);
+ if ((fMasks) && (trackB > 0)) {
+ for (jDict = 0; jDict < kNDict; jDict++) {
+ Int_t trackA = dictionaryA[iDict]->GetDataUnchecked(iRow,iCol,iTime);
+ if (trackA == 0) {
+ trackA = trackB + fMasks[iMerge];
+ dictionaryA[iDict]->SetDataUnchecked(iRow,iCol,iTime,trackA);
+ }
+ }
+ }
}
- }
+ }
}
- }
+ }
+
}
if (fCompress) {
// Checks whether a detector is enabled
//
+ if (fSimpleSim) return kTRUE;
+
if ((fTRD->GetSensChamber() >= 0) &&
(fTRD->GetSensChamber() != chamber)) return kFALSE;
if ((fTRD->GetSensPlane() >= 0) &&
}
//_____________________________________________________________________________
-Bool_t AliTRDdigitizer::WriteDigits()
+Bool_t AliTRDdigitizer::WriteDigits() const
{
//
// Writes out the TRD-digits and the dictionaries
}
-//_____________________________________________________________________________
-void AliTRDdigitizer::SetTiltingAngle(Float_t v)
-{
- //
- // Set the tilting angle for the readout pads
- //
-
- fTiltingAngle = TMath::Tan(TMath::Pi()/180.0 * v);
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::GetTiltingAngle() const
-{
- //
- // Get the tilting angle for the readout pads
- //
-
- return TMath::ATan(180.0/TMath::Pi() * fTiltingAngle);
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::GetDiffusionL(Float_t vd, Float_t b)
-{
- //
- // Returns the longitudinal diffusion coefficient for a given drift
- // velocity <vd> and a B-field <b> for Xe/CO2 (15%).
- // The values are according to a GARFIELD simulation.
- //
-
- const Int_t kNb = 5;
- Float_t p0[kNb] = { 0.007440, 0.007493, 0.007513, 0.007672, 0.007831 };
- Float_t p1[kNb] = { 0.019252, 0.018912, 0.018636, 0.018012, 0.017343 };
- Float_t p2[kNb] = { -0.005042, -0.004926, -0.004867, -0.004650, -0.004424 };
- Float_t p3[kNb] = { 0.000195, 0.000189, 0.000195, 0.000182, 0.000169 };
-
- Int_t ib = ((Int_t) (10 * (b - 0.15)));
- ib = TMath::Max( 0,ib);
- ib = TMath::Min(kNb,ib);
-
- Float_t diff = p0[ib]
- + p1[ib] * vd
- + p2[ib] * vd*vd
- + p3[ib] * vd*vd*vd;
-
- return diff;
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::GetDiffusionT(Float_t vd, Float_t b)
-{
- //
- // Returns the transverse diffusion coefficient for a given drift
- // velocity <vd> and a B-field <b> for Xe/CO2 (15%).
- // The values are according to a GARFIELD simulation.
- //
-
- const Int_t kNb = 5;
- Float_t p0[kNb] = { 0.009550, 0.009599, 0.009674, 0.009757, 0.009850 };
- Float_t p1[kNb] = { 0.006667, 0.006539, 0.006359, 0.006153, 0.005925 };
- Float_t p2[kNb] = { -0.000853, -0.000798, -0.000721, -0.000635, -0.000541 };
- Float_t p3[kNb] = { 0.000131, 0.000122, 0.000111, 0.000098, 0.000085 };
-
- Int_t ib = ((Int_t) (10 * (b - 0.15)));
- ib = TMath::Max( 0,ib);
- ib = TMath::Min(kNb,ib);
-
- Float_t diff = p0[ib]
- + p1[ib] * vd
- + p2[ib] * vd*vd
- + p3[ib] * vd*vd*vd;
-
- return diff;
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTRDdigitizer::GetOmegaTau(Float_t vd, Float_t b)
-{
- //
- // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vd>
- // and a B-field <b> for Xe/CO2 (15%).
- // The values are according to a GARFIELD simulation.
- //
-
- const Int_t kNb = 5;
- Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
- Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
- Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
- Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
-
- Int_t ib = ((Int_t) (10 * (b - 0.15)));
- ib = TMath::Max( 0,ib);
- ib = TMath::Min(kNb,ib);
-
- Float_t alphaL = p0[ib]
- + p1[ib] * vd
- + p2[ib] * vd*vd
- + p3[ib] * vd*vd*vd;
-
- return TMath::Tan(alphaL);
-
-}
-
//_____________________________________________________________________________
void AliTRDdigitizer::DeConvExp(Double_t *source, Double_t *target
, Int_t n, Int_t nexp)
}
+//_____________________________________________________________________________
+void AliTRDdigitizer::InitOutput(TFile *file, Int_t iEvent)
+{
+ //
+ // Initializes the output branches
+ //
+
+ fEvent = iEvent;
+ fDigitsManager->MakeTreeAndBranches(file,iEvent);
+
+}