//_________________________________________________________________________
//
// Class for trigger analysis.
-// Digits are grouped in TRU's (384 cells? ordered fNTRUPhi x fNTRUEta).
-// The algorithm searches all possible 4x4 cell combinations per each TRU,
-// adding the digits amplitude and finding the maximum. Maximums are compared
-// to triggers threshold and they are set. Thresholds need to be fixed.
-// Last 2 modules are half size in Phi, I considered that the number of TRU
-// is maintained for the last modules but decision not taken. If different,
-// then this must be changed.
+// Digits are grouped in TRU's (384 cells ordered fNTRUPhi x fNTRUEta).
+// The algorithm searches all possible 2x2 and nxn (n is a multiple of 4) cell
+// combinations per each TRU, adding the digits amplitude and finding the
+// maximum. Maxima are compared to triggers threshold and they are set.
+// Thresholds need to be fixed. Last 2 modules are half size in Phi, I considered
+// that the number of TRU is maintained for the last modules but decision not taken.
+// If different, then this must be changed.
// Usage:
//
// //Inside the event loop
// AliEMCALTrigger *tr = new AliEMCALTrigger();//Init Trigger
-// tr->SetL0Threshold(100);
+// tr->SetL0Threshold(100); //Arbitrary threshold values
// tr->SetL1JetLowPtThreshold(1000);
// tr->SetL1JetMediumPtThreshold(10000);
// tr->SetL1JetHighPtThreshold(20000);
AliEMCALTrigger::AliEMCALTrigger()
: AliTriggerDetector(),
f2x2MaxAmp(-1), f2x2CellPhi(-1), f2x2CellEta(-1),
- f4x4MaxAmp(-1), f4x4CellPhi(-1), f4x4CellEta(-1),
- fL0Threshold(100),fL1JetLowPtThreshold(200),
- fL1JetMediumPtThreshold(500), fL1JetHighPtThreshold(1000),
- fSimulation(kTRUE)
-
+ f2x2SM(0),
+ fnxnMaxAmp(-1), fnxnCellPhi(-1), fnxnCellEta(-1),
+ fnxnSM(0),
+ fADCValuesHighnxn(0x0),fADCValuesLownxn(0x0),
+ fADCValuesHigh2x2(0x0),fADCValuesLow2x2(0x0),
+ fDigitsList(0x0),
+ fL0Threshold(100),fL1JetLowPtThreshold(200),
+ fL1JetMediumPtThreshold(500), fL1JetHighPtThreshold(1000),
+ fPatchSize(1), fSimulation(kTRUE)
{
//ctor
- fADCValuesHigh4x4 = 0x0; //new Int_t[fTimeBins];
- fADCValuesLow4x4 = 0x0; //new Int_t[fTimeBins];
- fADCValuesHigh2x2 = 0x0; //new Int_t[fTimeBins];
- fADCValuesLow2x2 = 0x0; //new Int_t[fTimeBins];
-
- fDigitsList = 0x0 ;
-
-
SetName("EMCAL");
CreateInputs();
//____________________________________________________________________________
AliEMCALTrigger::AliEMCALTrigger(const AliEMCALTrigger & trig)
- : AliTriggerDetector(trig)
+ : AliTriggerDetector(trig),
+ f2x2MaxAmp(trig.f2x2MaxAmp),
+ f2x2CellPhi(trig.f2x2CellPhi),
+ f2x2CellEta(trig.f2x2CellEta),
+ f2x2SM(trig.f2x2SM),
+ fnxnMaxAmp(trig.fnxnMaxAmp),
+ fnxnCellPhi(trig.fnxnCellPhi),
+ fnxnCellEta(trig.fnxnCellEta),
+ fnxnSM(trig.fnxnSM),
+ fADCValuesHighnxn(trig.fADCValuesHighnxn),
+ fADCValuesLownxn(trig.fADCValuesLownxn),
+ fADCValuesHigh2x2(trig.fADCValuesHigh2x2),
+ fADCValuesLow2x2(trig.fADCValuesLow2x2),
+ fDigitsList(trig.fDigitsList),
+ fL0Threshold(trig.fL0Threshold),
+ fL1JetLowPtThreshold(trig.fL1JetLowPtThreshold),
+ fL1JetMediumPtThreshold(trig.fL1JetMediumPtThreshold),
+ fL1JetHighPtThreshold(trig.fL1JetHighPtThreshold),
+ fPatchSize(trig.fPatchSize), fSimulation(trig.fSimulation)
{
-
// cpy ctor
-
- f2x2MaxAmp = trig.f2x2MaxAmp ;
- f4x4MaxAmp = trig.f4x4MaxAmp ;
- f2x2CellPhi = trig.f2x2CellPhi ;
- f4x4CellPhi = trig.f4x4CellPhi ;
- f2x2CellEta = trig.f2x2CellEta ;
- f4x4CellEta = trig.f4x4CellEta ;
- fADCValuesHigh4x4 = trig.fADCValuesHigh4x4 ;
- fADCValuesLow4x4 = trig.fADCValuesLow4x4 ;
- fADCValuesHigh2x2 = trig.fADCValuesHigh2x2 ;
- fADCValuesLow2x2 = trig.fADCValuesLow2x2 ;
- fDigitsList = trig.fDigitsList ;
- fL0Threshold = trig.fL0Threshold ;
- fL1JetLowPtThreshold = trig.fL1JetLowPtThreshold ;
- fL1JetMediumPtThreshold = trig.fL1JetMediumPtThreshold ;
- fL1JetHighPtThreshold = trig.fL1JetHighPtThreshold ;
- fSimulation = trig.fSimulation ;
-
-
-
}
//----------------------------------------------------------------------
}
//____________________________________________________________________________
-void AliEMCALTrigger::MakeSlidingCell(const TClonesArray * amptrus, const TClonesArray * timeRtrus, const Int_t isupermod,TMatrixD *ampmax2, TMatrixD *ampmax4, AliEMCALGeometry *geom){
+void AliEMCALTrigger::MakeSlidingCell(const TClonesArray * amptrus, const TClonesArray * timeRtrus, const Int_t isupermod,TMatrixD *ampmax2, TMatrixD *ampmaxn, AliEMCALGeometry *geom){
- //Sums energy of all possible 2x2 (L0) and 4x4 (L1) cells per each TRU.
+ //Sums energy of all possible 2x2 (L0) and nxn (L1) cells per each TRU.
//Fast signal in the experiment is given by 2x2 cells,
//for this reason we loop inside the TRU cells by 2.
Int_t nTRU = geom->GetNTRU();//3 TRU per super module
Float_t amp2 = 0 ;
- Float_t amp4 = 0 ;
+ Float_t ampn = 0 ;
for(Int_t i = 0; i < 4; i++){
for(Int_t j = 0; j < nTRU; j++){
(*ampmax2)(i,j) = -1;
- (*ampmax4)(i,j) = -1;
+ (*ampmaxn)(i,j) = -1;
}
}
//Create matrix that will contain 2x2 amplitude sums
- //used to calculate the 4x4 sums
+ //used to calculate the nxn sums
TMatrixD * tru2x2 = new TMatrixD(nCellsPhi/2,nCellsEta/2) ;
for(Int_t i = 0; i < nCellsPhi/2; i++)
for(Int_t j = 0; j < nCellsEta/2; j++)
amp2 = (*amptru)(irow,icol)+(*amptru)(irow+1,icol)+
(*amptru)(irow,icol+1)+(*amptru)(irow+1,icol+1);
- //Fill matrix with added 2x2 crystals for use in 4x4 sums
+ //Fill matrix with added 2x2 crystals for use in nxn sums
(*tru2x2)(irow/2,icol/2) = amp2 ;
//Select 2x2 maximum sums to select L0
if(amp2 > (*ampmax2)(0,mtru)){
}
}
}
-
- //Sliding 4x4, add 4x4 amplitudes (OVERLAP)
- for(Int_t irow = 0 ; irow < nCellsPhi/2; irow++){
- for(Int_t icol = 0 ; icol < nCellsEta/2 ; icol++){
- if( (irow+1) < nCellsPhi/2 && (icol+1) < nCellsEta/2){//Avoid exit the TRU
- amp4 = (*tru2x2)(irow,icol)+(*tru2x2)(irow+1,icol)+
- (*tru2x2)(irow,icol+1)+(*tru2x2)(irow+1,icol+1);
- //Select 4x4 maximum sums to select L1
- if(amp4 > (*ampmax4)(0,mtru)){
- (*ampmax4)(0,mtru) = amp4 ;
- (*ampmax4)(1,mtru) = irow*2;
- (*ampmax4)(2,mtru) = icol*2;
+
+ //Sliding nxn, add nxn amplitudes (OVERLAP)
+ if(fPatchSize > 0){
+ for(Int_t irow = 0 ; irow < nCellsPhi/2; irow++){
+ for(Int_t icol = 0 ; icol < nCellsEta/2 ; icol++){
+ ampn = 0;
+ if( (irow+fPatchSize) < nCellsPhi/2 && (icol+fPatchSize) < nCellsEta/2){//Avoid exit the TRU
+ for(Int_t i = 0 ; i <= fPatchSize ; i++)
+ for(Int_t j = 0 ; j <= fPatchSize ; j++)
+ ampn += (*tru2x2)(irow+i,icol+j);
+ //Select nxn maximum sums to select L1
+ if(ampn > (*ampmaxn)(0,mtru)){
+ (*ampmaxn)(0,mtru) = ampn ;
+ (*ampmaxn)(1,mtru) = irow*2;
+ (*ampmaxn)(2,mtru) = icol*2;
+ }
}
}
}
- }
-
- //Find most recent time in selected 4x4 cell
- (*ampmax4)(3,mtru) = 1 ;
- Int_t row4 = static_cast <Int_t> ((*ampmax4)(1,mtru));
- Int_t col4 = static_cast <Int_t> ((*ampmax4)(2,mtru));
- for(Int_t i = 0; i<4; i++){
- for(Int_t j = 0; j<4; j++){
- if((*amptru)(row4+i,col4+j) > 0 && (*timeRtru)(row4+i,col4+j)> 0){
- if((*timeRtru)(row4+i,col4+j) < (*ampmax4)(3,mtru) )
- (*ampmax4)(3,mtru) = (*timeRtru)(row4+i,col4+j);
+
+ //Find most recent time in selected nxn cell
+ (*ampmaxn)(3,mtru) = 1 ;
+ Int_t rown = static_cast <Int_t> ((*ampmaxn)(1,mtru));
+ Int_t coln = static_cast <Int_t> ((*ampmaxn)(2,mtru));
+ for(Int_t i = 0; i<4*fPatchSize; i++){
+ for(Int_t j = 0; j<4*fPatchSize; j++){
+ if( (rown+i) < nCellsPhi && (coln+j) < nCellsEta/2){//Avoid exit the TRU
+ if((*amptru)(rown+i,coln+j) > 0 && (*timeRtru)(rown+i,coln+j)> 0){
+ if((*timeRtru)(rown+i,coln+j) < (*ampmaxn)(3,mtru) )
+ (*ampmaxn)(3,mtru) = (*timeRtru)(rown+i,coln+j);
+ }
+ }
}
}
}
+ else {
+ (*ampmaxn)(0,mtru) = (*ampmax2)(0,mtru);
+ (*ampmaxn)(1,mtru) = (*ampmax2)(1,mtru);
+ (*ampmaxn)(2,mtru) = (*ampmax2)(2,mtru);
+ (*ampmaxn)(3,mtru) = (*ampmax2)(3,mtru);
+ }
}
}
printf( " Maximum Amplitude after Sliding Cell, \n") ;
printf( " -2x2 cells sum (not overlapped): %10.2f, in Super Module %d\n",
f2x2MaxAmp,f2x2SM) ;
- printf( " -2x2 from row %d to row %d and from column %d to column %d\n", f2x2CellPhi, f2x2CellPhi+2, f2x2CellEta, f2x2CellEta+2) ;
- printf( " -4x4 cells sum (overlapped) : %10.2f, in Super Module %d\n",
- f4x4MaxAmp,f4x4SM) ;
- printf( " -4x4 from row %d to row %d and from column %d to column %d\n", f4x4CellPhi, f4x4CellPhi+4, f4x4CellEta, f4x4CellEta+4) ;
+ printf( " -2x2 from row %d to row %d and from column %d to column %d\n", f2x2CellPhi, f2x2CellPhi+2, f2x2CellEta, f2x2CellEta+2) ;
+
+ if(fPatchSize > 0){
+ printf( " Patch Size, n x n: %d x %d cells\n",4*fPatchSize, 4*fPatchSize);
+ printf( " -nxn cells sum (overlapped) : %10.2f, in Super Module %d\n",
+ fnxnMaxAmp,fnxnSM) ;
+ printf( " -nxn from row %d to row %d and from column %d to column %d\n", fnxnCellPhi, fnxnCellPhi+4*fPatchSize, fnxnCellEta, fnxnCellEta+4*fPatchSize) ;
+ }
+
printf( " Threshold for LO %10.2f\n",
fL0Threshold) ;
in = (AliTriggerInput*)fInputs.FindObject( "EMCAL_L0" );
//____________________________________________________________________________
void AliEMCALTrigger::SetTriggers(const Int_t iSM, const TMatrixD *ampmax2,
- const TMatrixD *ampmax4, AliEMCALGeometry *geom)
+ const TMatrixD *ampmaxn, AliEMCALGeometry *geom)
{
- //Checks the 2x2 and 4x4 maximum amplitude per each TRU and
+ //Checks the 2x2 and nxn maximum amplitude per each TRU and
//compares with the different L0 and L1 triggers thresholds
Float_t max2[] = {-1,-1,-1,-1} ;
- Float_t max4[] = {-1,-1,-1,-1} ;
+ Float_t maxn[] = {-1,-1,-1,-1} ;
Int_t itru2 = -1 ;
- Int_t itru4 = -1 ;
+ Int_t itrun = -1 ;
//Find maximum summed amplitude of all the TRU
//in a Super Module
max2[3] = (*ampmax2)(3,i) ; // corresponding most recent time
itru2 = i ;
}
- if(max4[0] < (*ampmax4)(0,i) ){
- max4[0] = (*ampmax4)(0,i) ; // 4x4 summed max amplitude
- max4[1] = (*ampmax4)(1,i) ; // corresponding phi position in TRU
- max4[2] = (*ampmax4)(2,i) ; // corresponding eta position in TRU
- max4[3] = (*ampmax4)(3,i) ; // corresponding most recent time
- itru4 = i ;
+ if(maxn[0] < (*ampmaxn)(0,i) ){
+ maxn[0] = (*ampmaxn)(0,i) ; // nxn summed max amplitude
+ maxn[1] = (*ampmaxn)(1,i) ; // corresponding phi position in TRU
+ maxn[2] = (*ampmaxn)(2,i) ; // corresponding eta position in TRU
+ maxn[3] = (*ampmaxn)(3,i) ; // corresponding most recent time
+ itrun = i ;
}
}
//--------Set max amplitude if larger than in other Super Modules------------
Float_t maxtimeR2 = -1 ;
- Float_t maxtimeR4 = -1 ;
+ Float_t maxtimeRn = -1 ;
AliRunLoader *rl = AliRunLoader::GetRunLoader();
AliRun * gAlice = rl->GetAliRun();
AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
}
}
- //------------Set max of 4x4 amplitudes and select L1 trigger---------
- if(max4[0] > f4x4MaxAmp ){
- f4x4MaxAmp = max4[0] ;
- f4x4SM = iSM ;
- maxtimeR4 = max4[3] ;
- geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru4,
- static_cast<Int_t>(max4[1]),
- static_cast<Int_t>(max4[2]),
- f4x4CellPhi,f4x4CellEta) ;
+ //------------Set max of nxn amplitudes and select L1 trigger---------
+ if(maxn[0] > fnxnMaxAmp ){
+ fnxnMaxAmp = maxn[0] ;
+ fnxnSM = iSM ;
+ maxtimeRn = maxn[3] ;
+ geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itrun,
+ static_cast<Int_t>(maxn[1]),
+ static_cast<Int_t>(maxn[2]),
+ fnxnCellPhi,fnxnCellEta) ;
//Transform digit amplitude in Raw Samples
- fADCValuesHigh4x4 = new Int_t[nTimeBins];
- fADCValuesLow4x4 = new Int_t[nTimeBins];
- emcal->RawSampledResponse(maxtimeR4, f4x4MaxAmp, fADCValuesHigh4x4, fADCValuesLow4x4) ;
+ fADCValuesHighnxn = new Int_t[nTimeBins];
+ fADCValuesLownxn = new Int_t[nTimeBins];
+ emcal->RawSampledResponse(maxtimeRn, fnxnMaxAmp, fADCValuesHighnxn, fADCValuesLownxn) ;
//Set Trigger Inputs, compare ADC time bins until threshold is attained
//SetL1 Low
for(Int_t i = 0 ; i < nTimeBins ; i++){
- if(fADCValuesHigh4x4[i] >= fL1JetLowPtThreshold || fADCValuesLow4x4[i] >= fL1JetLowPtThreshold){
+ if(fADCValuesHighnxn[i] >= fL1JetLowPtThreshold || fADCValuesLownxn[i] >= fL1JetLowPtThreshold){
SetInput("EMCAL_JetLPt_L1") ;
break;
}
//SetL1 Medium
for(Int_t i = 0 ; i < nTimeBins ; i++){
- if(fADCValuesHigh4x4[i] >= fL1JetMediumPtThreshold || fADCValuesLow4x4[i] >= fL1JetMediumPtThreshold){
+ if(fADCValuesHighnxn[i] >= fL1JetMediumPtThreshold || fADCValuesLownxn[i] >= fL1JetMediumPtThreshold){
SetInput("EMCAL_JetMPt_L1") ;
break;
}
//SetL1 High
for(Int_t i = 0 ; i < nTimeBins ; i++){
- if(fADCValuesHigh4x4[i] >= fL1JetHighPtThreshold || fADCValuesLow4x4[i] >= fL1JetHighPtThreshold){
+ if(fADCValuesHighnxn[i] >= fL1JetHighPtThreshold || fADCValuesLownxn[i] >= fL1JetHighPtThreshold){
SetInput("EMCAL_JetHPt_L1") ;
break;
}
//Intialize data members each time the trigger is called in event loop
f2x2MaxAmp = -1; f2x2CellPhi = -1; f2x2CellEta = -1;
- f4x4MaxAmp = -1; f4x4CellPhi = -1; f4x4CellEta = -1;
+ fnxnMaxAmp = -1; fnxnCellPhi = -1; fnxnCellEta = -1;
//Take the digits list if simulation
if(fSimulation){
//Initialize varible that will contain maximum amplitudes and
//its corresponding cell position in eta and phi, and time.
TMatrixD * ampmax2 = new TMatrixD(4,nTRU) ;
- TMatrixD * ampmax4 = new TMatrixD(4,nTRU) ;
+ TMatrixD * ampmaxn = new TMatrixD(4,nTRU) ;
for(Int_t iSM = 0 ; iSM < nSuperModules ; iSM++) {
- //Do 2x2 and 4x4 sums, select maximums.
- MakeSlidingCell(amptrus, timeRtrus, iSM, ampmax2, ampmax4, geom);
+ //Do 2x2 and nxn sums, select maximums.
+ MakeSlidingCell(amptrus, timeRtrus, iSM, ampmax2, ampmaxn, geom);
//Set the trigger
- SetTriggers(iSM, ampmax2, ampmax4, geom) ;
+ SetTriggers(iSM, ampmax2, ampmaxn, geom) ;
}
}
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