//__________________________________________________________//
// //
-// This is a TTask that constructs SDigits out of Hits //
+// This is a class that constructs SDigits out of Hits //
// A Summable Digits is the "sum" of all hits in a pad //
// Detector response has been simulated via the method //
// SimulateDetectorResponse //
#include "AliRunLoader.h"
#include "AliRun.h"
+#include "AliTOFcalib.h"
+#include "AliTOFRecoParam.h"
#include "AliTOFGeometry.h"
#include "AliTOFHitMap.h"
#include "AliTOFhitT0.h"
//____________________________________________________________________________
AliTOFSDigitizer::AliTOFSDigitizer():
- TTask("TOFSDigitizer",""),
+ TNamed("TOFSDigitizer",""),
fEvent1(-1),
fEvent2(-1),
ftail(0x0),
fTOFLoader(0x0),
fSelectedSector(-1),
fSelectedPlate(-1),
- fTimeResolution(0),
+ fTimeResolution(100.),
fpadefficiency(0),
fEdgeEffect(-1),
fEdgeTails(-1),
fAverageTimeFlag(-1),
fAdcBin(0),
fAdcMean(0),
- fAdcRms(0)
+ fAdcRms(0),
+ fCalib(new AliTOFcalib())
{
// ctor
+
}
//------------------------------------------------------------------------
AliTOFSDigitizer::AliTOFSDigitizer(const AliTOFSDigitizer &source):
- TTask(source),
+ TNamed(source),
fEvent1(-1),
fEvent2(-1),
ftail(0x0),
fTOFLoader(0x0),
fSelectedSector(-1),
fSelectedPlate(-1),
- fTimeResolution(0),
+ fTimeResolution(100.),
fpadefficiency(0),
fEdgeEffect(-1),
fEdgeTails(-1),
fAverageTimeFlag(-1),
fAdcBin(0),
fAdcMean(0),
- fAdcRms(0)
+ fAdcRms(0),
+ fCalib(new AliTOFcalib())
{
// copy constructor
//this->fTOFGeometry=source.fTOFGeometry;
//____________________________________________________________________________
AliTOFSDigitizer::AliTOFSDigitizer(const char* HeaderFile, Int_t evNumber1, Int_t nEvents):
- TTask("TOFSDigitizer",""),
+ TNamed("TOFSDigitizer",""),
fEvent1(-1),
fEvent2(-1),
ftail(0x0),
fTOFLoader(0x0),
fSelectedSector(-1), // by default we sdigitize all sectors
fSelectedPlate(-1), // by default we sdigitize all plates in all sectors
- fTimeResolution(0),
+ fTimeResolution(100.),
fpadefficiency(0),
fEdgeEffect(-1),
fEdgeTails(-1),
fAverageTimeFlag(-1),
fAdcBin(0),
fAdcMean(0),
- fAdcRms(0)
+ fAdcRms(0),
+ fCalib(new AliTOFcalib())
{
//ctor, reading from input file
AliFatal("Can not find TOF loader in event. Exiting.");
return;
}
- fTOFLoader->PostSDigitizer(this);
}
//____________________________________________________________________________
AliTOFSDigitizer::~AliTOFSDigitizer()
{
// dtor
- fTOFLoader->CleanSDigitizer();
+ if (fCalib) delete fCalib;
}
{
// set parameters for detector simulation
- fTimeResolution = 0.080; //0.120; OLD
- fpadefficiency = 0.99 ;
- fEdgeEffect = 2 ;
+ fCalib->Init();
+
+ //fTimeResolution = 80.; //120.; OLD
+ AliTOFRecoParam *recoParams = (AliTOFRecoParam*)fCalib->ReadRecParFromCDB("TOF/Calib",fRunLoader->GetRunNumber());
+ fTimeResolution = recoParams->GetTimeResolution(); // now from OCDB
+ if (fTimeResolution==0.) {
+ AliWarning("In OCDB found 0ps for TOF time resolution. It is set to 100ps.");
+ fTimeResolution = 100.;
+ }
+ AliDebug(1,Form(" TOF time resolution read from OCDB = %f ps",fTimeResolution));
+ fpadefficiency = 0.995 ;
+ //fEdgeEffect = 2 ; // edge effects according to test beam results
+ fEdgeEffect = 1 ; // edge effects according to test beam results
+ // but with fixed time resolution, i.e. fTimeResolution
fEdgeTails = 0 ;
fHparameter = 0.4 ;
fH2parameter = 0.15;
- fKparameter = 0.5 ;
- fK2parameter = 0.35;
+ fKparameter = 0.9 ;
+ fK2parameter = 0.55;
fEffCenter = fpadefficiency;
- fEffBoundary = 0.65;
- fEff2Boundary = 0.90;
- fEff3Boundary = 0.08;
+ fEffBoundary = 0.833;
+ fEff2Boundary = 0.94;
+ fEff3Boundary = 0.1;
fAddTRes = 68. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 50^2} (p-p)
//fAddTRes = 48. ; // \sqrt{2x20^2 + 15^2 + 2x10^2 + 30^2 + 15^2} (Pb-Pb)
// 30^2+20^2+40^2+50^2+50^2+50^2 = 10400 ps^2 (very old value)
fTimeWalkCenter = 0. ;
fTimeWalkBoundary=0. ;
fTimeWalkSlope = 0. ;
- fTimeDelayFlag = 1 ;
+ fTimeDelayFlag = 0 ;
fPulseHeightSlope=2.0 ;
fTimeDelaySlope =0.060;
// was fMinimumCharge = TMath::Exp(fPulseHeightSlope*fKparameter/2.);
}
//____________________________________________________________________________
-void AliTOFSDigitizer::Exec(Option_t *verboseOption) {
+void AliTOFSDigitizer::Digitize(Option_t *verboseOption) {
//execute TOF sdigitization
if (strstr(verboseOption,"tim") || strstr(verboseOption,"all"))
gBenchmark->Start("TOFSDigitizer");
AliError("TOF not found");
return;
}
-
+
fTOFLoader->LoadHits("read");
fTOFLoader->LoadSDigits("recreate");
vol[4] = tofHit->GetPadz();
dxPad = tofHit->GetDx();
dzPad = tofHit->GetDz();
- geantTime = tofHit->GetTof(); // unit [s]
+ geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time smearing
} else {
AliTOFhitT0 *tofHit = (AliTOFhitT0 *) tofHitArray->UncheckedAt(hit);
tracknum = tofHit->GetTrack();
vol[4] = tofHit->GetPadz();
dxPad = tofHit->GetDx();
dzPad = tofHit->GetDz();
- geantTime = tofHit->GetTof(); // unit [s]
+ geantTime = tofHit->GetTof(); // unit [s] // already corrected per event_time_smearing
}
geantTime *= 1.e+09; // conversion from [s] to [ns]
if(nFiredPads) {
for(Int_t indexOfPad=0; indexOfPad<nActivatedPads; indexOfPad++) {
if(isFired[indexOfPad]){ // the pad has fired
+
Float_t timediff=geantTime-tofAfterSimul[indexOfPad];
// TOF matching window (~200ns) control
if(timediff>=0.2) nlargeTofDiff++; // greater than 200ps
- digit[0] = (Int_t) ((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps)
+ digit[0] = TMath::Nint((tofAfterSimul[indexOfPad]*1.e+03)/AliTOFGeometry::TdcBinWidth()); // TDC bin number (each bin -> 24.4 ps)
Float_t landauFactor = gRandom->Landau(fAdcMean, fAdcRms);
- digit[1] = (Int_t) (qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC)
+ digit[1] = TMath::Nint(qInduced[indexOfPad] * landauFactor); // ADC bins (each bin -> 0.25 (or 0.03) pC)
// recalculate the volume only for neighbouring pads
if(indexOfPad){
nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix;
qInduced[nActivatedPads-1] = qCenterPad;
padId[nActivatedPads-1] = 1;
-
- if (fEdgeEffect == 0) {
+
+ switch (fEdgeEffect) {
+ case 0:
eff[nActivatedPads-1] = fEffCenter;
if (gRandom->Rndm() < eff[nActivatedPads-1]) {
nFiredPads = 1;
tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]);
averageTime = tofTime[nActivatedPads-1];
}
- } else {
-
+ break;
+
+ case 1:
+ if(z < h) {
+ if(z < h2) {
+ effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2;
+ } else {
+ effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2);
+ }
+ //resZ = fTimeResolution;
+ //timeWalkZ = 0.;
+ nTail[nActivatedPads-1] = 1;
+ } else {
+ effZ = fEffCenter;
+ //resZ = fTimeResolution;
+ //timeWalkZ = 0.;
+ }
+
+ if(x < h) {
+ if(x < h2) {
+ effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2;
+ } else {
+ effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2);
+ }
+ //resX = fTimeResolution;
+ //timeWalkX = 0.;
+ nTail[nActivatedPads-1] = 1;
+ } else {
+ effX = fEffCenter;
+ //resX = fTimeResolution;
+ //timeWalkX = 0.;
+ }
+
+ (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+
+
+ ////// Pad B:
+ if(z < k2) {
+ effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2);
+ } else {
+ effZ = fEff3Boundary * (k - z) / (k - k2);
+ }
+ //resZ = fTimeResolution;
+ //timeWalkZ = 0.;
+
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX();
+ eff[nActivatedPads-1] = effZ;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 2;
+ }
+ }
+
+
+ ////// Pad C, D, E, F:
+ if(x < k2) {
+ effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2);
+ } else {
+ effX = fEff3Boundary * (k - x) / (k - k2);
+ }
+ //resX = fTimeResolution;
+ //timeWalkX = 0.;
+
+ if(x < k && x > 0) {
+ // C:
+ if(ix > 1 && dX < 0) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] - 1;
+ eff[nActivatedPads-1] = effX;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 3;
+
+ // D:
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1;
+ eff[nActivatedPads-1] = effX * effZ;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ if (TMath::Abs(x) < TMath::Abs(z)) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ } else {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ }
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 4;
+ }
+ } // end D
+ } // end C
+
+ // E:
+ if(ix < AliTOFGeometry::NpadX() && dX > 0) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + 1;
+ eff[nActivatedPads-1] = effX;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 5;
+
+
+ // F:
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1;
+ eff[nActivatedPads - 1] = effX * effZ;
+ res[nActivatedPads-1] = 0.001 * fTimeResolution; // ns
+ timeWalk[nActivatedPads-1] = 0.; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ if (TMath::Abs(x) < TMath::Abs(z)) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ } else {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ }
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 6;
+ }
+ } // end F
+ } // end E
+ } // end if(x < k)
+
+
+ for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) {
+ if(gRandom->Rndm() < eff[iPad]) {
+ isFired[iPad] = kTRUE;
+ nFiredPads++;
+ if(fEdgeTails) {
+ if(nTail[iPad] == 0) {
+ tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]);
+ } else {
+ ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]);
+ Double_t timeAB = ftail->GetRandom();
+ tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB;
+ }
+ } else {
+ //AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad]));
+ tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]);
+ }
+ if (fAverageTimeFlag) {
+ averageTime += tofTime[iPad] * qInduced[iPad];
+ weightsSum += qInduced[iPad];
+ } else {
+ averageTime += tofTime[iPad];
+ weightsSum += 1.;
+ }
+
+ AliDebug(1,Form(" Activated pad %d: geantTime=%f, tw=%fns, td=%fns, tofTime=%fns, sigma=%fps",iPad,geantTime,timeWalk[iPad],timeDelay[iPad],tofTime[iPad],1000.*res[iPad]));
+
+ }
+
+ }
+ if (weightsSum!=0) averageTime /= weightsSum;
+ break;
+
+
+ case 2:
if(z < h) {
if(z < h2) {
effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2;
timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns
nTail[nActivatedPads-1] = 2;
if (fTimeDelayFlag) {
- // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.);
- // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.);
qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns
timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 3;
+
+ // D:
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1;
+ eff[nActivatedPads-1] = effX * effZ;
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
+
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ if (TMath::Abs(x) < TMath::Abs(z)) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ } else {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ }
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 4;
+ }
+ } // end D
+ } // end C
+
+ // E:
+ if(ix < AliTOFGeometry::NpadX() && dX > 0) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + 1;
+ eff[nActivatedPads-1] = effX;
+ res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns
+ timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 5;
+
+
+ // F:
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1;
+ eff[nActivatedPads - 1] = effX * effZ;
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ if (TMath::Abs(x) < TMath::Abs(z)) {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ } else {
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * x);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * x, fLogChargeSmearing);
+ }
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 6;
+ }
+ } // end F
+ } // end E
+ } // end if(x < k)
+
+
+ for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) {
+ if (res[iPad] < fTimeResolution) res[iPad] = fTimeResolution;
+ if(gRandom->Rndm() < eff[iPad]) {
+ isFired[iPad] = kTRUE;
+ nFiredPads++;
+ if(fEdgeTails) {
+ if(nTail[iPad] == 0) {
+ tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]);
+ } else {
+ ftail->SetParameters(res[iPad], 2. * res[iPad], kSigmaForTail[nTail[iPad]-1]);
+ Double_t timeAB = ftail->GetRandom();
+ tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB;
+ }
+ } else {
+ AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad]));
+ tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]);
+ }
+ if (fAverageTimeFlag) {
+ averageTime += tofTime[iPad] * qInduced[iPad];
+ weightsSum += qInduced[iPad];
+ } else {
+ averageTime += tofTime[iPad];
+ weightsSum += 1.;
+ }
+ }
+ }
+ if (weightsSum!=0) averageTime /= weightsSum;
+
+ } // switch (fEdgeEffect)
+
+}
+
+//__________________________________________________________________
+void AliTOFSDigitizer::SimulateDetectorResponseOLD(Float_t z0, Float_t x0, Float_t geantTime, Int_t& nActivatedPads, Int_t& nFiredPads, Bool_t* isFired, Int_t* nPlace, Float_t* qInduced, Float_t* tofTime, Float_t& averageTime)
+{
+ // Description:
+ // Input: z0, x0 - hit position in the strip system (0,0 - center of the strip), cm
+ // geantTime - time generated by Geant, ns
+ // Output: nActivatedPads - the number of pads activated by the hit (1 || 2 || 4)
+ // nFiredPads - the number of pads fired (really activated) by the hit (nFiredPads <= nActivatedPads)
+ // qInduced[iPad]- charge induced on pad, arb. units
+ // this array is initialized at zero by the caller
+ // tofAfterSimul[iPad] - time calculated with edge effect algorithm, ns
+ // this array is initialized at zero by the caller
+ // averageTime - time given by pad hited by the Geant track taking into account the times (weighted) given by the pads fired for edge effect also.
+ // The weight is given by the qInduced[iPad]/qCenterPad
+ // this variable is initialized at zero by the caller
+ // nPlace[iPad] - the number of the pad place, iPad = 0, 1, 2, 3
+ // this variable is initialized at zero by the caller
+ //
+ // Description of used variables:
+ // eff[iPad] - efficiency of the pad
+ // res[iPad] - resolution of the pad, ns
+ // timeWalk[iPad] - time walk of the pad, ns
+ // timeDelay[iPad] - time delay for neighbouring pad to hited pad, ns
+ // PadId[iPad] - Pad Identifier
+ // E | F --> PadId[iPad] = 5 | 6
+ // A | B --> PadId[iPad] = 1 | 2
+ // C | D --> PadId[iPad] = 3 | 4
+ // nTail[iPad] - the tail number, = 1 for tailA, = 2 for tailB
+ // qCenterPad - charge extimated for each pad, arb. units
+ // weightsSum - sum of weights extimated for each pad fired, arb. units
+
+ const Float_t kSigmaForTail[2] = {AliTOFGeometry::SigmaForTail1(),AliTOFGeometry::SigmaForTail2()}; //for tail
+ Int_t iz = 0, ix = 0;
+ Float_t dX = 0., dZ = 0., x = 0., z = 0.;
+ Float_t h = fHparameter, h2 = fH2parameter, k = fKparameter, k2 = fK2parameter;
+ Float_t effX = 0., effZ = 0., resX = 0., resZ = 0., timeWalkX = 0., timeWalkZ = 0.;
+ Float_t logOfqInd = 0.;
+ Float_t weightsSum = 0.;
+ Int_t nTail[4] = {0,0,0,0};
+ Int_t padId[4] = {0,0,0,0};
+ Float_t eff[4] = {0.,0.,0.,0.};
+ Float_t res[4] = {0.,0.,0.,0.};
+ // Float_t qCenterPad = fMinimumCharge * fMinimumCharge;
+ Float_t qCenterPad = 1.;
+ Float_t timeWalk[4] = {0.,0.,0.,0.};
+ Float_t timeDelay[4] = {0.,0.,0.,0.};
+
+ nActivatedPads = 0;
+ nFiredPads = 0;
+
+ (z0 <= 0) ? iz = 0 : iz = 1;
+ dZ = z0 + (0.5 * AliTOFGeometry::NpadZ() - iz - 0.5) * AliTOFGeometry::ZPad(); // hit position in the pad frame, (0,0) - center of the pad
+ z = 0.5 * AliTOFGeometry::ZPad() - TMath::Abs(dZ); // variable for eff., res. and timeWalk. functions
+ iz++; // z row: 1, ..., AliTOFGeometry::NpadZ = 2
+ ix = (Int_t)((x0 + 0.5 * AliTOFGeometry::NpadX() * AliTOFGeometry::XPad()) / AliTOFGeometry::XPad());
+ dX = x0 + (0.5 * AliTOFGeometry::NpadX() - ix - 0.5) * AliTOFGeometry::XPad(); // hit position in the pad frame, (0,0) - center of the pad
+ x = 0.5 * AliTOFGeometry::XPad() - TMath::Abs(dX); // variable for eff., res. and timeWalk. functions;
+ ix++; // x row: 1, ..., AliTOFGeometry::NpadX = 48
+
+ ////// Pad A:
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = (iz - 1) * AliTOFGeometry::NpadX() + ix;
+ qInduced[nActivatedPads-1] = qCenterPad;
+ padId[nActivatedPads-1] = 1;
+
+ if (fEdgeEffect == 0) {
+ eff[nActivatedPads-1] = fEffCenter;
+ if (gRandom->Rndm() < eff[nActivatedPads-1]) {
+ nFiredPads = 1;
+ res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + fResCenter * fResCenter); // ns
+ isFired[nActivatedPads-1] = kTRUE;
+ tofTime[nActivatedPads-1] = gRandom->Gaus(geantTime + fTimeWalkCenter, res[0]);
+ averageTime = tofTime[nActivatedPads-1];
+ }
+ } else { // if (fEdgeEffet!=0)
+
+ if(z < h) {
+ if(z < h2) {
+ effZ = fEffBoundary + (fEff2Boundary - fEffBoundary) * z / h2;
+ } else {
+ effZ = fEff2Boundary + (fEffCenter - fEff2Boundary) * (z - h2) / (h - h2);
+ }
+ if (fEdgeEffect==1)
+ resZ = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resZ = fResBoundary + (fResCenter - fResBoundary) * z / h;
+ timeWalkZ = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * z / h;
+ nTail[nActivatedPads-1] = 1;
+ } else {
+ effZ = fEffCenter;
+ if (fEdgeEffect==1)
+ resZ = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resZ = fResCenter;
+ timeWalkZ = fTimeWalkCenter;
+ }
+
+ if(x < h) {
+ if(x < h2) {
+ effX = fEffBoundary + (fEff2Boundary - fEffBoundary) * x / h2;
+ } else {
+ effX = fEff2Boundary + (fEffCenter - fEff2Boundary) * (x - h2) / (h - h2);
+ }
+ if (fEdgeEffect==1)
+ resX = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resX = fResBoundary + (fResCenter - fResBoundary) * x / h;
+ timeWalkX = fTimeWalkBoundary + (fTimeWalkCenter - fTimeWalkBoundary) * x / h;
+ nTail[nActivatedPads-1] = 1;
+ } else {
+ effX = fEffCenter;
+ if (fEdgeEffect==1)
+ resX = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resX = fResCenter;
+ timeWalkX = fTimeWalkCenter;
+ }
+
+ (effZ<effX) ? eff[nActivatedPads-1] = effZ : eff[nActivatedPads-1] = effX;
+ if (fEdgeEffect==1)
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns
+ else
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ (timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
+
+
+ ////// Pad B:
+ if(z < k2) {
+ effZ = fEffBoundary - (fEffBoundary - fEff3Boundary) * (z / k2);
+ } else {
+ effZ = fEff3Boundary * (k - z) / (k - k2);
+ }
+ if (fEdgeEffect==1)
+ resZ = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resZ = fResBoundary + fResSlope * z / k;
+ timeWalkZ = fTimeWalkBoundary + fTimeWalkSlope * z / k;
+
+ if(z < k && z > 0) {
+ if( (iz == 1 && dZ > 0) || (iz == 2 && dZ < 0) ) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX();
+ eff[nActivatedPads-1] = effZ;
+ if (fEdgeEffect==1)
+ res[nActivatedPads-1] = 0.001 * resZ; // ns
+ else
+ res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ; // ns
+ nTail[nActivatedPads-1] = 2;
+ if (fTimeDelayFlag) {
+ // qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * z / 2.);
+ // qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * z / 2.);
+ qInduced[nActivatedPads-1] = TMath::Exp(-fPulseHeightSlope * z);
+ logOfqInd = gRandom->Gaus(-fPulseHeightSlope * z, fLogChargeSmearing);
+ timeDelay[nActivatedPads-1] = gRandom->Gaus(-fTimeDelaySlope * logOfqInd, fTimeSmearing);
+ } else {
+ timeDelay[nActivatedPads-1] = 0.;
+ }
+ padId[nActivatedPads-1] = 2;
+ }
+ }
+
+
+ ////// Pad C, D, E, F:
+ if(x < k2) {
+ effX = fEffBoundary - (fEffBoundary - fEff3Boundary) * (x / k2);
+ } else {
+ effX = fEff3Boundary * (k - x) / (k - k2);
+ }
+ if (fEdgeEffect==1)
+ resX = fTimeResolution;
+ else if (fEdgeEffect==2)
+ resX = fResBoundary + fResSlope*x/k;
+ timeWalkX = fTimeWalkBoundary + fTimeWalkSlope*x/k;
+
+ if(x < k && x > 0) {
+ // C:
+ if(ix > 1 && dX < 0) {
+ nActivatedPads++;
+ nPlace[nActivatedPads-1] = nPlace[0] - 1;
+ eff[nActivatedPads-1] = effX;
+ if (fEdgeEffect==1)
+ res[nActivatedPads-1] = 0.001 * resX; // ns
+ else if (fEdgeEffect==2)
+ res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX); // ns
+ timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
+ nTail[nActivatedPads-1] = 2;
if (fTimeDelayFlag) {
// qInduced[0] = fMinimumCharge * TMath::Exp(fPulseHeightSlope * x / 2.);
// qInduced[nActivatedPads-1] = fMinimumCharge * TMath::Exp(-fPulseHeightSlope * x / 2.);
nActivatedPads++;
nPlace[nActivatedPads-1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() - 1;
eff[nActivatedPads-1] = effX * effZ;
- (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ if (fEdgeEffect==1)
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns
+ else if (fEdgeEffect==2)
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
(timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
nTail[nActivatedPads-1] = 2;
nActivatedPads++;
nPlace[nActivatedPads-1] = nPlace[0] + 1;
eff[nActivatedPads-1] = effX;
- res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns
+ if (fEdgeEffect==1)
+ res[nActivatedPads-1] = 0.001 * resX; // ns
+ else if (fEdgeEffect==2)
+ res[nActivatedPads-1] = 0.001 * (TMath::Sqrt(fAddTRes*fAddTRes + resX * resX)); // ns
timeWalk[nActivatedPads-1] = 0.001 * timeWalkX; // ns
nTail[nActivatedPads-1] = 2;
if (fTimeDelayFlag) {
nActivatedPads++;
nPlace[nActivatedPads - 1] = nPlace[0] + (3 - 2 * iz) * AliTOFGeometry::NpadX() + 1;
eff[nActivatedPads - 1] = effX * effZ;
- (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
+ if (fEdgeEffect==1)
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * resX : res[nActivatedPads-1] = 0.001 * resZ; // ns
+ else if (fEdgeEffect==2)
+ (resZ<resX) ? res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resX * resX) : res[nActivatedPads-1] = 0.001 * TMath::Sqrt(fAddTRes*fAddTRes + resZ * resZ); // ns
(timeWalkZ<timeWalkX) ? timeWalk[nActivatedPads-1] = 0.001 * timeWalkZ : timeWalk[nActivatedPads-1] = 0.001*timeWalkX; // ns
nTail[nActivatedPads-1] = 2;
if (fTimeDelayFlag) {
for (Int_t iPad = 0; iPad < nActivatedPads; iPad++) {
- if (res[iPad] < fTimeResolution) res[iPad] = fTimeResolution;
+ if (fEdgeEffect==2 && res[iPad] < fTimeResolution) res[iPad] = fTimeResolution;
if(gRandom->Rndm() < eff[iPad]) {
isFired[iPad] = kTRUE;
nFiredPads++;
tofTime[iPad] = geantTime + timeWalk[iPad] + timeDelay[iPad] + timeAB;
}
} else {
+ AliDebug(1,Form(" ----------------- TOF time resolution = %f",res[iPad]));
tofTime[iPad] = gRandom->Gaus(geantTime + timeWalk[iPad] + timeDelay[iPad], res[iPad]);
}
if (fAverageTimeFlag) {
AliInfo(Form(" Number of events: %i ", (fEvent2-fEvent1)));
AliInfo(Form(" from event %i to event %i", fEvent1, (fEvent2-1)));
- AliInfo(Form(" Time Resolution (ns) %f Pad Efficiency: %f ", fTimeResolution, fpadefficiency));
+ AliInfo(Form(" Time Resolution (ps) %f Pad Efficiency: %f ", fTimeResolution, fpadefficiency));
AliInfo(Form(" Edge Effect option: %d", fEdgeEffect));
AliInfo(" Boundary Effect Simulation Parameters ");
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff