#include "TSystem.h"
#include "AliLog.h"
+#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliCaloAltroMapping.h"
#include "AliAltroBuffer.h"
ClassImp(AliEMCALRawUtils)
// Signal shape parameters
-Int_t AliEMCALRawUtils::fgOrder = 2 ; // Order of gamma function
Double_t AliEMCALRawUtils::fgTimeBinWidth = 100E-9 ; // each sample is 100 ns
-Double_t AliEMCALRawUtils::fgTau = 235E-9 ; // 235 ns (from CERN testbeam; not very accurate)
Double_t AliEMCALRawUtils::fgTimeTrigger = 1.5E-6 ; // 15 time bins ~ 1.5 musec
// some digitization constants
Int_t AliEMCALRawUtils::fgDDLPerSuperModule = 2; // 2 ddls per SuperModule
AliEMCALRawUtils::AliEMCALRawUtils()
- : fHighLowGainFactor(0.), fOption("")
+ : fHighLowGainFactor(0.), fOrder(0), fTau(0.), fNoiseThreshold(0),
+ fNPedSamples(0), fGeom(0), fOption("")
{
+
+ //These are default parameters.
+ //Can be re-set from without with setter functions
fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits)
+ fOrder = 2; // order of gamma fn
+ fTau = 2.35; // in units of timebin, from CERN 2007 testbeam
+ fNoiseThreshold = 3;
+ fNPedSamples = 5;
+
+ //Get Mapping RCU files from the AliEMCALRecParam
+ const TObjArray* maps = AliEMCALRecParam::GetMappings();
+ if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");
+
+ for(Int_t i = 0; i < 2; i++) {
+ fMapping[i] = (AliAltroMapping*)maps->At(i);
+ }
+
+ //To make sure we match with the geometry in a simulation file,
+ //let's try to get it first. If not, take the default geometry
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) {
+ fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ } else {
+ AliInfo(Form("Using default geometry in raw reco"));
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
+ }
+
+ if(!fGeom) AliFatal(Form("Could not get geometry!"));
+
+}
+
+//____________________________________________________________________________
+AliEMCALRawUtils::AliEMCALRawUtils(const AliEMCALRawUtils& rawU)
+ : TObject(),
+ fHighLowGainFactor(rawU.fHighLowGainFactor),
+ fOrder(rawU.fOrder),
+ fTau(rawU.fTau),
+ fNoiseThreshold(rawU.fNoiseThreshold),
+ fNPedSamples(rawU.fNPedSamples),
+ fGeom(rawU.fGeom),
+ fOption(rawU.fOption)
+{
+ //copy ctor
+ fMapping[0] = rawU.fMapping[0];
+ fMapping[1] = rawU.fMapping[1];
}
+
+//____________________________________________________________________________
+AliEMCALRawUtils& AliEMCALRawUtils::operator =(const AliEMCALRawUtils &rawU)
+{
+ //assignment operator
+
+ if(this != &rawU) {
+ fHighLowGainFactor = rawU.fHighLowGainFactor;
+ fOrder = rawU.fOrder;
+ fTau = rawU.fTau;
+ fNoiseThreshold = rawU.fNoiseThreshold;
+ fNPedSamples = rawU.fNPedSamples;
+ fGeom = rawU.fGeom;
+ fOption = rawU.fOption;
+ fMapping[0] = rawU.fMapping[0];
+ fMapping[1] = rawU.fMapping[1];
+ }
+
+ return *this;
+
+}
+
//____________________________________________________________________________
AliEMCALRawUtils::~AliEMCALRawUtils() {
+
}
+
//____________________________________________________________________________
-void AliEMCALRawUtils::Digits2Raw(AliAltroMapping **mapping)
+void AliEMCALRawUtils::Digits2Raw()
{
// convert digits of the current event to raw data
Warning("Digits2Raw", "no digits found !");
return;
}
-
- // get the geometry
- AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
- if (!geom) {
- AliError(Form("No geometry found !"));
- return;
- }
-
+
static const Int_t nDDL = 12*2; // 12 SM hardcoded for now. Buffers allocated dynamically, when needed, so just need an upper limit here
AliAltroBuffer* buffers[nDDL];
for (Int_t i=0; i < nDDL; i++)
Int_t iphi = 0;
Int_t ieta = 0;
Int_t nModule = 0;
- geom->GetCellIndex(digit->GetId(), nSM, nModule, nIphi, nIeta);
- geom->GetCellPhiEtaIndexInSModule(nSM, nModule, nIphi, nIeta,iphi, ieta) ;
+ fGeom->GetCellIndex(digit->GetId(), nSM, nModule, nIphi, nIeta);
+ fGeom->GetCellPhiEtaIndexInSModule(nSM, nModule, nIphi, nIeta,iphi, ieta) ;
//Check which is the RCU of the cell.
Int_t iRCU = -111;
if (buffers[iDDL] == 0) {
// open new file and write dummy header
TString fileName = AliDAQ::DdlFileName("EMCAL",iDDL);
- buffers[iDDL] = new AliAltroBuffer(fileName.Data(),mapping[iRCU]);
+ buffers[iDDL] = new AliAltroBuffer(fileName.Data(),fMapping[iRCU]);
buffers[iDDL]->WriteDataHeader(kTRUE, kFALSE); //Dummy;
}
delete buffers[i];
}
}
-//PH mapping[0]->Delete();
-//PH mapping[1]->Delete();
+
loader->UnloadDigits();
}
//____________________________________________________________________________
-void AliEMCALRawUtils::Raw2Digits(AliRawReader* reader,TClonesArray *digitsArr,
- AliAltroMapping **mapping)
+void AliEMCALRawUtils::Raw2Digits(AliRawReader* reader,TClonesArray *digitsArr)
{
- // convert raw data of the current event to digits
- AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
- if (!geom) {
- AliError(Form("No geometry found !"));
- return;
- }
+ // convert raw data of the current event to digits
digitsArr->Clear();
return;
}
- AliCaloRawStream in(reader,"EMCAL",mapping);
+ AliCaloRawStream in(reader,"EMCAL",fMapping);
// Select EMCAL DDL's;
reader->Select("EMCAL");
//given raw signal being fit
TF1 * signalF = new TF1("signal", RawResponseFunction, 0, GetRawFormatTimeBins(), 5);
- signalF->SetParameters(10.,0.,2.35,2.,5.); //set all defaults once, just to be safe
+ signalF->SetParameters(10.,0.,fTau,fOrder,5.); //set all defaults once, just to be safe
signalF->SetParNames("amp","t0","tau","N","ped");
- signalF->SetParameter(2,2.35); // tau in units of time bin
+ signalF->SetParameter(2,fTau); // tau in units of time bin
signalF->SetParLimits(2,2,-1);
- signalF->SetParameter(3,2); // order
+ signalF->SetParameter(3,fOrder); // order
signalF->SetParLimits(3,2,-1);
Int_t id = -1;
Int_t row = 0;
while (readOk) {
- id = geom->GetAbsCellIdFromCellIndexes(in.GetModule(), in.GetRow(), in.GetColumn()) ;
+ id = fGeom->GetAbsCellIdFromCellIndexes(in.GetModule(), in.GetRow(), in.GetColumn()) ;
lowGain = in.IsLowGain();
Int_t maxTime = in.GetTime(); // timebins come in reverse order
if (maxTime < 0 || maxTime >= GetRawFormatTimeBins()) {
FitRaw(gSig, signalF, amp, time) ;
- if (amp > 0) {
+ if (amp > 0 && amp < 10000) { //check both high and low end of
+ //result, 10000 is somewhat arbitrary
AliDebug(2,Form("id %d lowGain %d amp %g", id, lowGain, amp));
//cout << "col " << col-40 << " row " << row-8 << " lowGain " << lowGain << " amp " << amp << endl;
AddDigit(digitsArr, id, lowGain, (Int_t)amp, time);
gSig->SetPoint(index, index, 0) ;
}
// Reset starting parameters for fit function
- signalF->SetParameters(10.,0.,2.35,2.,5.); //reset all defaults just to be safe
+ signalF->SetParameters(10.,0.,fTau,fOrder,5.); //reset all defaults just to be safe
}; // EMCAL entries loop
new((*digitsArr)[idigit]) AliEMCALDigit( -1, -1, id, amp, time, idigit) ;
}
else { // a digit already exists, check range
- // (use high gain if signal < 800, otherwise low gain)
+ // (use high gain if signal < cut value, otherwise low gain)
if (lowGain) { // new digit is low gain
- if (digit->GetAmp() > 800) { // use if stored digit is out of range
+ if (digit->GetAmp() > fgkOverflowCut) { // use if stored digit is out of range
digit->SetAmp(Int_t(fHighLowGainFactor * amp));
digit->SetTime(time);
}
}
- else if (amp < 800) { // new digit is high gain; use if not out of range
+ else if (amp < fgkOverflowCut) { // new digit is high gain; use if not out of range
digit->SetAmp(amp);
digit->SetTime(time);
}
{
// Fits the raw signal time distribution; from AliEMCALGetter
- const Int_t kNoiseThreshold = 5;
- const Int_t kNPedSamples = 5;
amp = time = 0. ;
Double_t ped = 0;
Int_t nPed = 0;
- for (Int_t index = 0; index < kNPedSamples; index++) {
+ for (Int_t index = 0; index < fNPedSamples; index++) {
Double_t ttime, signal;
gSig->GetPoint(index, ttime, signal) ;
if (signal > 0) {
Int_t tmin_after_sig = gSig->GetN();
Int_t n_ped_after_sig = 0;
- for (Int_t i=kNPedSamples; i < gSig->GetN(); i++) {
+ for (Int_t i=fNPedSamples; i < gSig->GetN(); i++) {
Double_t ttime, signal;
gSig->GetPoint(i, ttime, signal) ;
if (!max_found && signal > max) {
i_max = i;
max = signal;
}
- else if ( max > ped + kNoiseThreshold ) {
+ else if ( max > ped + fNoiseThreshold ) {
max_found = 1;
min_after_sig = signal;
tmin_after_sig = i;
max_fit = tmin_after_sig;
break;
}
- if ( signal < ped + kNoiseThreshold)
+ if ( signal < ped + fNoiseThreshold)
n_ped_after_sig++;
if (n_ped_after_sig >= 5) { // include 5 pedestal bins after peak
max_fit = i;
}
}
- if ( max - ped > kNoiseThreshold ) { // else its noise
+ if ( max - ped > fNoiseThreshold ) { // else its noise
AliDebug(2,Form("Fitting max %d ped %d", max, ped));
signalF->SetRange(0,max_fit);
// for a start time dtime and an amplitude damp given by digit,
// calculates the raw sampled response AliEMCAL::RawResponseFunction
- const Int_t kRawSignalOverflow = 0x3FF ;
const Int_t pedVal = 32;
Bool_t lowGain = kFALSE ;
TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 5);
signalF.SetParameter(0, damp) ;
signalF.SetParameter(1, dtime + fgTimeTrigger) ;
- signalF.SetParameter(2, fgTau) ;
- signalF.SetParameter(3, fgOrder);
+ signalF.SetParameter(2, fTau) ;
+ signalF.SetParameter(3, fOrder);
signalF.SetParameter(4, pedVal);
for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
Double_t time = iTime * GetRawFormatTimeBinWidth() ;
Double_t signal = signalF.Eval(time) ;
adcH[iTime] = static_cast<Int_t>(signal + 0.5) ;
- if ( adcH[iTime] > kRawSignalOverflow ){ // larger than 10 bits
- adcH[iTime] = kRawSignalOverflow ;
+ if ( adcH[iTime] > fgkRawSignalOverflow ){ // larger than 10 bits
+ adcH[iTime] = fgkRawSignalOverflow ;
lowGain = kTRUE ;
}
signal /= fHighLowGainFactor;
adcL[iTime] = static_cast<Int_t>(signal + 0.5) ;
- if ( adcL[iTime] > kRawSignalOverflow) // larger than 10 bits
- adcL[iTime] = kRawSignalOverflow ;
+ if ( adcL[iTime] > fgkRawSignalOverflow) // larger than 10 bits
+ adcL[iTime] = fgkRawSignalOverflow ;
}
return lowGain ;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff