#include "TBranch.h"
#include "TClonesArray.h"
#include "TStopwatch.h"
+#include "TParameter.h"
+#include "TF1.h"
// --- AliRoot header files ---
#include "AliRun.h"
#include "AliVZEROBuffer.h"
#include "AliRunDigitizer.h"
#include "AliVZEROdigit.h"
+#include "AliVZEROSDigit.h"
#include "AliDAQ.h"
#include "AliRawReader.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
#include "AliVZERORawStream.h"
+#include "AliVZEROCalibData.h"
+#include "AliVZERORecoParam.h"
+#include "AliVZEROReconstructor.h"
ClassImp(AliVZERO)
//__________________________________________________________________
fMaxStepQua(0.),
fMaxStepAlu(0.),
fMaxDestepQua(0.),
- fMaxDestepAlu(0.)
+ fMaxDestepAlu(0.),
+ fCalibData(NULL),
+ fTimeSlewing(NULL),
+ fSignalShape(NULL),
+ fRecoParam(NULL)
{
/// Default Constructor
AliDebug(1,Form("default (empty) ctor this=%p",this));
- fIshunt = 0;
+ fIshunt = 0;
+
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fNBins[i] = 0;
+ fBinSize[i] = 0;
+ }
}
+
//_____________________________________________________________________________
AliVZERO::AliVZERO(const char *name, const char *title)
: AliDetector(name,title),
fMaxStepQua(0.05),
fMaxStepAlu(0.01),
fMaxDestepQua(-1.0),
- fMaxDestepAlu(-1.0)
+ fMaxDestepAlu(-1.0),
+ fCalibData(NULL),
+ fTimeSlewing(NULL),
+ fSignalShape(NULL),
+ fRecoParam(NULL)
{
// Standard constructor for VZERO Detector
// fMaxDestepQua = -1.0;
// fMaxDestepAlu = -1.0;
-
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fNBins[i] = 0;
+ fBinSize[i] = 0;
+ }
}
//_____________________________________________________________________________
fDigits->Delete();
delete fDigits;
fDigits=0; }
+ if (fSignalShape) {
+ delete fSignalShape;
+ fSignalShape = NULL;
+ }
+ if (fRecoParam) {
+ delete fRecoParam;
+ fRecoParam = NULL;
+ }
}
-//_____________________________________________________________________________
-void AliVZERO::BuildGeometry()
-{
- //
- // Builds simple ROOT TNode geometry for event display
- //
-}
-
//_____________________________________________________________________________
void AliVZERO::CreateGeometry()
{
//
}
-//_____________________________________________________________________________
-Int_t AliVZERO::DistanceToPrimitive(Int_t /*px*/, Int_t /*py*/)
-{
- //
- // Calculates the distance from the mouse to the VZERO on the screen
- // Dummy routine
- //
-
- return 9999;
-}
-
//_____________________________________________________________________________
void AliVZERO::Init()
{
//_____________________________________________________________________________
void AliVZERO::Hits2Digits(){
//
- // Converts hits to digits of the current event
+ // Converts hits to digits
//
- // Inputs file name
- const char *alifile = "galice.root";
+ // Creates the VZERO digitizer
+ AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2Digits);
+
+ // Creates the digits
+ dig->Exec("");
- // Create the run digitizer
- AliRunDigitizer* manager = new AliRunDigitizer(1, 1);
- manager->SetInputStream(0, alifile);
- manager->SetOutputFile("H2Dfile");
+}
+//_____________________________________________________________________________
+void AliVZERO::Hits2SDigits(){
+ //
+ // Converts hits to summable digits
+ //
// Creates the VZERO digitizer
- AliVZERODigitizer* dig = new AliVZERODigitizer(manager);
+ AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2SDigits);
- // Creates the digits
+ // Creates the sdigits
dig->Exec("");
}
+
//_____________________________________________________________________________
void AliVZERO::Digits2Raw()
{
- //
- // Converts digits of the current event to raw data
- //
- AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO");
- fLoader->LoadDigits();
- TTree* digits = fLoader->TreeD();
- if (!digits) {
- Error("Digits2Raw", "no digits tree");
- return;
- }
- TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000);
- fVZERO->SetTreeAddress();
- digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits);
+ //
+ // Converts digits of the current event to raw data
+ //
- const char *fileName = AliDAQ::DdlFileName("VZERO",0);
- AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName);
+ AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO");
+ fLoader->LoadDigits();
+ TTree* digits = fLoader->TreeD();
+ if (!digits) {
+ Error("Digits2Raw", "no digits tree");
+ return;
+ }
+ TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000);
+ fVZERO->SetTreeAddress();
+ digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits);
- // Verbose level
- // 0: Silent
- // 1: cout messages
- // 2: txt files with digits
- // BE CAREFUL, verbose level 2 MUST be used only for debugging and
- // it is highly suggested to use this mode only for debugging digits files
- // reasonably small, because otherwise the size of the txt files can reach
- // quickly several MB wasting time and disk space.
+ const char *fileName = AliDAQ::DdlFileName("VZERO",0);
+ AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName);
- ofstream ftxt;
- buffer->SetVerbose(0);
- Int_t verbose = buffer->GetVerbose();
-
- // Get Trigger information first
- // Read trigger inputs from trigger-detector object
- AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader();
- if( !dataLoader->IsFileOpen() )
- dataLoader->OpenFile( "READ" );
- AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" );
- UInt_t triggerInfo = 0;
- if(trgdet) {
- triggerInfo = trgdet->GetMask() & 0xffff;
- }
- else {
- AliError(Form("There is no trigger object for %s",fLoader->GetName()));
- }
- buffer->WriteTriggerInfo((UInt_t)triggerInfo);
-
- // Now write the channel information: charge+time
- // We assume here an ordered (by PMNumber) array of
- // digits!!
- Int_t nEntries = Int_t(digits->GetEntries());
- for (Int_t i = 0; i < nEntries; i++) {
+ // Get Trigger information first
+ // Read trigger inputs from trigger-detector object
+ AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader();
+ if( !dataLoader->IsFileOpen() )
+ dataLoader->OpenFile( "READ" );
+ AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" );
+ UInt_t triggerInfo = 0;
+ if(trgdet) {
+ triggerInfo = trgdet->GetMask() & 0xffff;
+ }
+ else {
+ AliError(Form("There is no trigger object for %s",fLoader->GetName()));
+ }
+
+ buffer->WriteTriggerInfo((UInt_t)triggerInfo);
+ buffer->WriteTriggerScalers();
+ buffer->WriteBunchNumbers();
- fVZERO->ResetDigits();
- digits->GetEvent(i);
- Int_t ndig = VZEROdigits->GetEntriesFast();
+ Int_t aBBflagsV0A = 0;
+ Int_t aBBflagsV0C = 0;
+ Int_t aBGflagsV0A = 0;
+ Int_t aBGflagsV0C = 0;
+
+ if (digits->GetUserInfo()->FindObject("BBflagsV0A")) {
+ aBBflagsV0A = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BBflagsV0A"))->GetVal();
+ }
+ else
+ AliWarning("V0A beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!");
+
+ if (digits->GetUserInfo()->FindObject("BBflagsV0C")) {
+ aBBflagsV0C = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BBflagsV0C"))->GetVal();
+ }
+ else
+ AliWarning("V0C beam-beam flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!");
+
+ if (digits->GetUserInfo()->FindObject("BGflagsV0A")) {
+ aBGflagsV0A = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BGflagsV0A"))->GetVal();
+ }
+ else
+ AliWarning("V0A beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!");
+
+ if (digits->GetUserInfo()->FindObject("BGflagsV0C")) {
+ aBGflagsV0C = ((TParameter<int>*)digits->GetUserInfo()->FindObject("BGflagsV0C"))->GetVal();
+ }
+ else
+ AliWarning("V0C beam-gas flags not found in digits tree UserInfo! The flags will not be written to the raw-data stream!");
+
+ // Now retrieve the channel information: charge smaples + time and
+ // dump it into ADC and Time arrays
+ Int_t nEntries = Int_t(digits->GetEntries());
+ Short_t aADC[64][AliVZEROdigit::kNClocks];
+ Float_t aTime[64];
+ Float_t aWidth[64];
+ Bool_t aIntegrator[64];
+ Bool_t aBBflag[64];
+ Bool_t aBGflag[64];
+
+ for (Int_t i = 0; i < nEntries; i++) {
+ fVZERO->ResetDigits();
+ digits->GetEvent(i);
+ Int_t ndig = VZEROdigits->GetEntriesFast();
- if(ndig == 0) continue;
- if(verbose == 2) {ftxt.open("VZEROdigits.txt",ios::app);}
- for(Int_t k=0; k<ndig; k++){
- AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k);
- Int_t ADC = fVZERODigit->ADC();
- Int_t PMNumber = fVZERODigit->PMNumber();
- Int_t Time = fVZERODigit->Time();
- if(verbose == 1) { cout <<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
- <<PMNumber<<"\tADC: "<< ADC << "\tTime: "<< Time << endl;}
- if(verbose == 2) {
- ftxt<<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
- <<PMNumber<<"\tADC: "<< ADC << "\tTime: "<< Time << endl;
- }
- buffer->WriteChannel(PMNumber, ADC, Time);
- }
- if(verbose==2) ftxt.close();
- }
-
- buffer->WriteScalers();
- buffer->WriteMBInfo();
-
+ if(ndig == 0) continue;
+ for(Int_t k=0; k<ndig; k++){
+ AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k);
+ // Convert aliroot channel k into FEE channel iChannel before writing data
+ Int_t iChannel = AliVZEROCalibData::GetBoardNumber(fVZERODigit->PMNumber()) * 8 +
+ AliVZEROCalibData::GetFEEChannelNumber(fVZERODigit->PMNumber());
+ for(Int_t iClock = 0; iClock < AliVZEROdigit::kNClocks; ++iClock) aADC[iChannel][iClock] = fVZERODigit->ChargeADC(iClock);
+ aTime[iChannel] = fVZERODigit->Time();
+ aWidth[iChannel] = fVZERODigit->Width();
+ aIntegrator[iChannel]= fVZERODigit->Integrator();
+ if(fVZERODigit->PMNumber() < 32) {
+ aBBflag[iChannel] = (aBBflagsV0C >> fVZERODigit->PMNumber()) & 0x1;
+ aBGflag[iChannel] = (aBGflagsV0C >> fVZERODigit->PMNumber()) & 0x1;
+ }
+ else {
+ aBBflag[iChannel] = (aBBflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1;
+ aBGflag[iChannel] = (aBGflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1;
+ }
+ AliDebug(1,Form("DDL: %s\tdigit number: %d\tPM number: %d\tADC: %d\tTime: %f",
+ fileName,k,fVZERODigit->PMNumber(),aADC[k][AliVZEROdigit::kNClocks/2],aTime[k]));
+ }
+ }
+
+ // Now fill raw data
+
+ for (Int_t iCIU = 0; iCIU < 8; iCIU++) {
+
+ // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) :
+
+ for(Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) {
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ buffer->WriteChannel(iChannel, aADC[iChannel], aIntegrator[iChannel]);
+ }
+ buffer->WriteBeamFlags(&aBBflag[iChannel_Offset],&aBGflag[iChannel_Offset]);
+ buffer->WriteMBInfo();
+ buffer->WriteMBFlags();
+ buffer->WriteBeamScalers();
+ }
+
+ for(Int_t iChannel = iCIU*8 + 7; iChannel >= iCIU*8; iChannel--) {
+ buffer->WriteTiming(aTime[iChannel], aWidth[iChannel]);
+ }
+
+ // End of decoding of one CIU card
+
+ } // end of decoding the eight CIUs
+
delete buffer;
- fLoader->UnloadDigits();
+ fLoader->UnloadDigits();
}
//_____________________________________________________________________________
if(!fLoader) {
AliError("no VZERO loader found");
- return kFALSE; }
-
- TTree* treeD = fLoader->TreeD();
- if(!treeD) {
- fLoader->MakeTree("D");
- treeD = fLoader->TreeD(); }
-
- AliVZEROdigit digit;
- AliVZEROdigit* pdigit = &digit;
- const Int_t kBufferSize = 4000;
-
- treeD->Branch("VZERO", "AliVZEROdigit", &pdigit, kBufferSize);
+ return kFALSE;
+ }
+ fLoader->LoadSDigits("UPDATE");
- rawReader->Reset();
- AliVZERORawStream* rawStream = new AliVZERORawStream(rawReader);
+ if (!fLoader->TreeS()) fLoader->MakeTree("S");
+ fLoader->MakeSDigitsContainer();
+ TTree* treeS = fLoader->TreeS();
+
+ TClonesArray *sdigits = new TClonesArray("AliVZEROSDigit", 64);
+ treeS->Branch("VZEROSDigit", &sdigits);
+
+ {
+ rawReader->Reset();
+ AliVZERORawStream rawStream(rawReader);
- if (!rawStream->Next()) return kFALSE; // No VZERO data found
-
- for(Int_t i=0; i<64; i++) {
- new(pdigit) AliVZEROdigit(i, (Int_t)rawStream->GetADC(i), (Int_t)rawStream->GetTime(i));
- treeD->Fill();
+ if (!rawStream.Next()) return kFALSE; // No VZERO data found
+
+ GetCalibData();
+
+ Int_t nSDigits = 0;
+ Float_t *charges = NULL;
+ Int_t nbins = 0;
+ for(Int_t iChannel=0; iChannel < 64; ++iChannel) {
+ Int_t offlineCh = rawStream.GetOfflineChannel(iChannel);
+ Short_t chargeADC[AliVZEROdigit::kNClocks];
+ for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) {
+ chargeADC[iClock] = rawStream.GetPedestal(iChannel,iClock);
+ }
+ // Integrator flag
+ Bool_t integrator = rawStream.GetIntegratorFlag(iChannel,AliVZEROdigit::kNClocks/2);
+ // HPTDC data (leading time and width)
+ Int_t board = AliVZEROCalibData::GetBoardNumber(offlineCh);
+ Float_t time = rawStream.GetTime(iChannel)*fCalibData->GetTimeResolution(board);
+ // Float_t width = rawStream.GetWidth(iChannel)*fCalibData->GetWidthResolution(board);
+ Float_t adc = 0;
+
+ // Pedestal retrieval and suppression
+ Float_t maxadc = 0;
+ Int_t imax = -1;
+ Float_t adcPedSub[AliVZEROdigit::kNClocks];
+ Float_t integral = fSignalShape->Integral(0,200);
+ for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) {
+ Bool_t iIntegrator = (iClock%2 == 0) ? integrator : !integrator;
+ Int_t k = offlineCh + 64*iIntegrator;
+ adcPedSub[iClock] = (Float_t)chargeADC[iClock] - fCalibData->GetPedestal(k);
+ if(adcPedSub[iClock] <= fRecoParam->GetNSigmaPed()*fCalibData->GetSigma(k)) {
+ adcPedSub[iClock] = 0;
+ continue;
+ }
+ if(iClock < fRecoParam->GetStartClock() || iClock > fRecoParam->GetEndClock()) continue;
+ if(adcPedSub[iClock] > maxadc) {
+ maxadc = adcPedSub[iClock];
+ imax = iClock;
+ }
+ }
+ if (imax != -1) {
+ Int_t start = imax - fRecoParam->GetNPreClocks();
+ if (start < 0) start = 0;
+ Int_t end = imax + fRecoParam->GetNPostClocks();
+ if (end > 20) end = 20;
+ for(Int_t iClock = start; iClock <= end; iClock++) {
+ adc += adcPedSub[iClock];
+ }
+ }
+ Float_t correctedTime = CorrectLeadingTime(offlineCh,time,adc);
+
+ if (!charges) {
+ nbins = fNBins[offlineCh];
+ charges = new Float_t[nbins];
+ }
+ else if (nbins != fNBins[offlineCh]) {
+ delete [] charges;
+ nbins = fNBins[offlineCh];
+ charges = new Float_t[nbins];
+ }
+ memset(charges,0,nbins*sizeof(Float_t));
+
+ // Now lets produce SDigit
+ if ((correctedTime > (AliVZEROReconstructor::kInvalidTime + 1e-6)) &&
+ (adc > 1e-6)) {
+ for(Int_t iBin = 0; iBin < nbins; ++iBin) {
+ Float_t t = fBinSize[offlineCh]*Float_t(iBin);
+ if ((t < correctedTime) ||
+ (t > (correctedTime+200.))) continue;
+ charges[iBin] = kChargePerADC*adc*(fSignalShape->Eval(t-correctedTime)*fBinSize[offlineCh]/integral);
+ }
+ }
+
+ TClonesArray &sdigitsref = *sdigits;
+ new (sdigitsref[nSDigits++]) AliVZEROSDigit(offlineCh,fNBins[offlineCh],charges);
+ }
+ if (charges) delete [] charges;
}
-
-// Checks if everything is OK by printing results
-
-// for(int i=0;i<64;i++) {
-// printf("Channel %d : %d %d \n",i,rawStream->GetADC(i),rawStream->GetTime(i)); }
-// treeD->Print(); printf(" \n");
-
- fLoader->WriteDigits("OVERWRITE");
- fLoader->UnloadDigits();
+
+ treeS->Fill();
+ fLoader->WriteSDigits("OVERWRITE");
+ fLoader->UnloadSDigits();
- delete rawStream;
-
timer.Stop();
timer.Print();
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+void AliVZERO::GetCalibData()
+{
+ // Gets calibration object for VZERO set
+ // Do nothing in case it is already loaded
+ if (fCalibData) return;
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/Data");
+ if (entry) fCalibData = (AliVZEROCalibData*) entry->GetObject();
+ if (!fCalibData) AliFatal("No calibration data from calibration database !");
+
+ AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeSlewing");
+ if (!entry2) AliFatal("VZERO time slewing function is not found in OCDB !");
+ fTimeSlewing = (TF1*)entry2->GetObject();
+
+ for(Int_t i = 0 ; i < 64; ++i) {
+ Int_t board = AliVZEROCalibData::GetBoardNumber(i);
+ fNBins[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0+
+ (Float_t)kMaxTDCWidth*fCalibData->GetWidthResolution(board))/
+ fCalibData->GetTimeResolution(board));
+ fBinSize[i] = fCalibData->GetTimeResolution(board);
+ }
+
+ fSignalShape = new TF1("VZEROSDigitSignalShape",this,&AliVZERO::SignalShape,0,200,6,"AliVZERO","SignalShape");
+ fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,
+ 2.9,6.40982,3.69339e-01);
+
+ fRecoParam = new AliVZERORecoParam;
+
+ return;
}
+Float_t AliVZERO::CorrectLeadingTime(Int_t i, Float_t time, Float_t adc) const
+{
+ // Correct the leading time
+ // for slewing effect and
+ // misalignment of the channels
+ if (time < 1e-6) return -1024;
+
+ // In case of pathological signals
+ if (adc < 1e-6) return time;
+
+ // Slewing correction
+ Float_t thr = fCalibData->GetDiscriThr(i);
+ time -= fTimeSlewing->Eval(adc/thr);
+ return time;
+}
+
+double AliVZERO::SignalShape(double *x, double *par)
+{
+ // this function simulates the signal
+ // shape used in Raw->SDigits method
+
+ Double_t xx = x[0];
+ if (xx <= par[0]) return 0;
+ Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]);
+ if (xx <= par[3]) return a;
+ Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]);
+ Double_t f = a*b/(a+b);
+ AliDebug(100,Form("x=%f func=%f",xx,f));
+ return f;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff