#include <TDirectory.h>
#include "AliRunLoader.h"
-#include "AliRun.h"
-#include <AliESD.h>
+#include <AliESDEvent.h>
#include "AliLog.h"
-#include <TClonesArray.h>
+#include "AliT0Loader.h"
#include "AliT0RecPoint.h"
-#include "AliT0.h"
#include "AliRawReader.h"
#include "AliT0RawReader.h"
-#include "AliT0Loader.h"
#include "AliT0digit.h"
#include "AliT0Reconstructor.h"
#include "AliT0Parameters.h"
+#include "AliT0Calibrator.h"
#include "AliCDBLocal.h"
#include "AliCDBStorage.h"
#include "AliCDBManager.h"
#include <TArrayI.h>
#include <TGraph.h>
+#include <TMath.h>
+//#include <TGeoManager.h>
+//#include <TClonesArray.h>
+//#include <TString.h>
+//#include <TGeoPNEntry.h>
+//#include <TGeoPhysicalNode.h>
+//#include <TGeoHMatrix.h>
ClassImp(AliT0Reconstructor)
-//____________________________________________________________________
-void
-AliT0Reconstructor::Init(AliRunLoader* runLoader,TTree* digitsTree ) const
+ AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
+ fZposition(0),
+ fParam(NULL),
+ fAmpLEDrec(),
+ fdZ_A(0),
+ fdZ_C(0)
{
+ AliDebug(1,"Start reconstructor ");
+
+ fParam = AliT0Parameters::Instance();
+ fParam->Init();
+ for (Int_t i=0; i<24; i++){
+ TGraph* gr = fParam ->GetAmpLEDRec(i);
+ fAmpLEDrec.AddAtAndExpand(gr,i) ;
+ fTime0vertex[i]= fParam->GetTimeDelayDA(i);
+ }
+ fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
+ fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
- // Initialize the reconstructor
- AliDebug(2, Form("Init called with runloader 0x%x", runLoader));
-
- // Initialize the parameters
- AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
-
- pStartLoader->LoadDigits("READ");
+}
+//____________________________________________________________________
+
+AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
+ AliReconstructor(r),
+ fZposition(0),
+ fParam(NULL),
+ fAmpLEDrec(),
+ fdZ_A(0),
+ fdZ_C(0)
+{
+ //
+ // AliT0Reconstructor copy constructor
+ //
- digitsTree = pStartLoader->TreeD();
+ ((AliT0Reconstructor &) r).Copy(*this);
}
-//____________________________________________________________________
- void AliT0Reconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
+//_____________________________________________________________________________
+AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
{
- //T0 raw data-> digits conversion
- // reconstruct time information from raw data
- AliT0 *baseT0;
- baseT0->Raw2Digits(rawReader, digitsTree);
-
+ //
+ // Assignment operator
+ //
+
+ if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
+ return *this;
}
+
+//_____________________________________________________________________________
+
void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
- //void AliT0Reconstructor::Reconstruct(AliRunLoader *runLoader) const
+
{
-// T0 digits reconstruction
-// T0RecPoint writing
-
- //Q->T-> coefficients !!!! should be asked!!!
- // Float_t ph2MIP=500;
- Float_t gain[24], timeDelayCFD[24], timeDelayLED[24];
- Float_t zdetA,zdetC;
- TObjArray slewingLED;
-
- TArrayI * fADC = new TArrayI(24);
- TArrayI * fTimeCFD = new TArrayI(24);
- TArrayI * fADCLED = new TArrayI(24);
- TArrayI * fTimeLED = new TArrayI(24);
+ // T0 digits reconstruction
+ // T0RecPoint writing
+
+
+ TArrayI * timeCFD = new TArrayI(24);
+ TArrayI * timeLED = new TArrayI(24);
+ TArrayI * chargeQT0 = new TArrayI(24);
+ TArrayI * chargeQT1 = new TArrayI(24);
- AliT0Parameters* param = AliT0Parameters::Instance();
- param->Init();
+ AliT0Calibrator *calib=new AliT0Calibrator();
- Int_t mV2Mip = param->GetmV2Mip();
+ // Int_t mV2Mip = param->GetmV2Mip();
//mV2Mip = param->GetmV2Mip();
- Int_t channelWidth = param->GetChannelWidth() ;
+ Float_t channelWidth = fParam->GetChannelWidth() ;
+ Int_t meanT0 = fParam->GetMeanT0();
- for (Int_t i=0; i<24; i++){
- timeDelayCFD[i] = param->GetTimeDelayCFD(i);
- timeDelayLED[i] = param->GetTimeDelayLED(i);
- gain[i] = param->GetGain(i);
- //gain[i] = 1;
- slewingLED.AddAtAndExpand(param->GetSlew(i),i);
- }
- zdetC = param->GetZposition(0);
- zdetA = param->GetZposition(1);
-
AliDebug(1,Form("Start DIGITS reconstruction "));
-
+
TBranch *brDigits=digitsTree->GetBranch("T0");
AliT0digit *fDigits = new AliT0digit() ;
if (brDigits) {
return;
}
- digitsTree->GetEvent(0);
- digitsTree->GetEntry(0);
- brDigits->GetEntry(0);
- fDigits->GetTime(*fTimeCFD);
- fDigits->GetADC(*fADC);
- fDigits->GetTimeAmp(*fTimeLED);
- fDigits->GetADCAmp(*fADCLED);
+ digitsTree->GetEvent(0);
+ digitsTree->GetEntry(0);
+ brDigits->GetEntry(0);
+ fDigits->GetTimeCFD(*timeCFD);
+ fDigits->GetTimeLED(*timeLED);
+ fDigits->GetQT0(*chargeQT0);
+ fDigits->GetQT1(*chargeQT1);
+
+ Float_t besttimeA=999999;
+ Float_t besttimeC=999999;
+ Int_t pmtBestA=99999;
+ Int_t pmtBestC=99999;
+ Float_t timeDiff=999999, meanTime=0;
+
- Float_t besttimeright=999999;
- Float_t besttimeleft=999999;
- Int_t pmtBestRight=99999;
- Int_t pmtBestLeft=99999;
- Float_t timeDiff=999999, meanTime=0;
+ AliT0RecPoint* frecpoints= new AliT0RecPoint ();
+ clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
+
+ Float_t time[24], adc[24];
+ for (Int_t ipmt=0; ipmt<24; ipmt++) {
+ if(timeCFD->At(ipmt)>0 ){
+ Double_t qt0 = Double_t(chargeQT0->At(ipmt));
+ Double_t qt1 = Double_t(chargeQT1->At(ipmt));
+ if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
+ time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
+
+ //LED
+ Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
+ Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
+ frecpoints->SetTime(ipmt,time[ipmt]);
+ frecpoints->SetAmp(ipmt,adc[ipmt]);
+ frecpoints->SetAmpLED(ipmt,qt);
+ }
+ else {
+ time[ipmt] = 0;
+ adc[ipmt] = 0;
+ }
+ }
+
+ for (Int_t ipmt=0; ipmt<12; ipmt++){
+ if(time[ipmt] > 1 ) {
+ if(time[ipmt]<besttimeC){
+ besttimeC=time[ipmt]; //timeC
+ pmtBestC=ipmt;
+ }
+ }
+ }
+ for ( Int_t ipmt=12; ipmt<24; ipmt++){
+ if(time[ipmt] > 1) {
+ if(time[ipmt]<besttimeA) {
+ besttimeA=time[ipmt]; //timeA
+ pmtBestA=ipmt;}
+ }
+ }
+ if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
+ if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
+ AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
+ Float_t c = 0.0299792; // cm/ps
+ Float_t vertex = 0;
+ if(besttimeA !=999999 && besttimeC != 999999 ){
+ timeDiff =(besttimeC - besttimeA)*channelWidth;
+ meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
+ vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
+ AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
+ frecpoints->SetVertex(vertex);
+ frecpoints->SetMeanTime(Int_t(meanTime));
+
+ }
+ //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
+ for (Int_t ipmt=0; ipmt<24; ipmt++) {
+ if(time[ipmt]>1) {
+ time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
+ frecpoints->SetTime(ipmt,time[ipmt]);
+ }
+ }
+ clustersTree->Fill();
+
+ delete timeCFD;
+ delete timeLED;
+ delete chargeQT0;
+ delete chargeQT1;
+}
+
+
+//_______________________________________________________________________
+
+void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
+{
+ // T0 raw ->
+ // T0RecPoint writing
+
+ //Q->T-> coefficients !!!! should be measured!!!
+ Int_t allData[110][5];
+ TArrayI * timeCFD = new TArrayI(24);
+ TArrayI * timeLED = new TArrayI(24);
+ TArrayI * chargeQT0 = new TArrayI(24);
+ TArrayI * chargeQT1 = new TArrayI(24);
+
+ for (Int_t i=0; i<110; i++) {
+ allData[i][0]=0;
+ }
+
+ AliT0RawReader myrawreader(rawReader);
+ if (!myrawreader.Next())
+ AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
+ for (Int_t i=0; i<110; i++) {
+ allData[i][0]=myrawreader.GetData(i,0);
+ }
+ AliT0Calibrator *calib = new AliT0Calibrator();
+
+ // Int_t mV2Mip = param->GetmV2Mip();
+ //mV2Mip = param->GetmV2Mip();
+ Float_t channelWidth = fParam->GetChannelWidth() ;
+ Int_t meanT0 = fParam->GetMeanT0();
+
+ for (Int_t in=0; in<24; in++)
+ {
+ timeLED->AddAt(allData[in+1][0],in);
+ timeCFD->AddAt(allData[in+25][0],in);
+ chargeQT1->AddAt(allData[in+57][0],in);
+ chargeQT0->AddAt(allData[in+80][0],in);
+ AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
+ }
+
+ Float_t besttimeA=999999;
+ Float_t besttimeC=999999;
+ Int_t pmtBestA=99999;
+ Int_t pmtBestC=99999;
+ Float_t timeDiff=999999, meanTime=0;
- AliT0RecPoint* frecpoints= new AliT0RecPoint ();
- clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
+
+ AliT0RecPoint* frecpoints= new AliT0RecPoint ();
+
+ recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
+
Float_t time[24], adc[24];
for (Int_t ipmt=0; ipmt<24; ipmt++) {
- if(fTimeCFD->At(ipmt)>0 ){
- time[ipmt] = channelWidth *( fTimeCFD->At(ipmt)) - 1000*timeDelayCFD[ipmt];
- // Float_t adc_digPs = channelWidth * Float_t (fADCLED->At(ipmt)) ;
- // adc[ipmt] = TMath::Exp(adc_digPs/1000) /gain[ipmt];
- adc[ipmt]=1;
- AliDebug(1,Form(" time %f ps, adc %f mv in MIP %i\n ",
- time[ipmt], adc[ipmt], Int_t (adc[ipmt]/mV2Mip +0.5)));
+ if(timeCFD->At(ipmt)>0 ){
+ Double_t qt0 = Double_t(chargeQT0->At(ipmt));
+ Double_t qt1 = Double_t(chargeQT1->At(ipmt));
+ if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
+ // time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
+ time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
+ Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
+ Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
frecpoints->SetTime(ipmt,time[ipmt]);
frecpoints->SetAmp(ipmt,adc[ipmt]);
+ frecpoints->SetAmpLED(ipmt,qt);
+ AliDebug(1,Form(" QTC %f mv, QTC %f MIPS time in chann %f time %f ",adc[ipmt], adc[ipmt]/50.,time[ipmt], time[ipmt]*channelWidth));
+
}
else {
time[ipmt] = 0;
for (Int_t ipmt=0; ipmt<12; ipmt++){
if(time[ipmt] > 1 ) {
- if(time[ipmt]<besttimeleft){
- besttimeleft=time[ipmt]; //timeleft
- pmtBestLeft=ipmt;
+ if(time[ipmt]<besttimeC){
+ besttimeC=time[ipmt]; //timeC
+ pmtBestC=ipmt;
}
}
}
for ( Int_t ipmt=12; ipmt<24; ipmt++){
if(time[ipmt] > 1) {
- if(time[ipmt]<besttimeright) {
- besttimeright=time[ipmt]; //timeright
- pmtBestRight=ipmt;}
+ if(time[ipmt]<besttimeA) {
+ besttimeA=time[ipmt]; //timeA
+ pmtBestA=ipmt;}
}
}
- if(besttimeright !=999999) frecpoints->SetTimeBestRight(Int_t(besttimeright));
- if( besttimeleft != 999999 ) frecpoints->SetTimeBestLeft(Int_t(besttimeleft));
- AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeright, besttimeleft));
+ if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
+ if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
+ AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
Float_t c = 0.0299792; // cm/ps
Float_t vertex = 0;
- if(besttimeright !=999999 && besttimeleft != 999999 ){
- timeDiff = besttimeleft - besttimeright;
- meanTime = (besttimeright + besttimeleft)/2.;
- vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
+ if(besttimeA !=999999 && besttimeC != 999999 ){
+ timeDiff = (besttimeC - besttimeA)*channelWidth;
+ meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
+ vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
frecpoints->SetVertex(vertex);
frecpoints->SetMeanTime(Int_t(meanTime));
}
- clustersTree->Fill();
-}
+ //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
+ /*
+ for (Int_t ipmt=0; ipmt<24; ipmt++) {
+ if(time[ipmt]>1) {
+ time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
+ frecpoints->SetTime(ipmt,time[ipmt]);
+ }
+ }
+ */
+ recTree->Fill();
+
+ delete timeCFD;
+ delete timeLED;
+ delete chargeQT0;
+ delete chargeQT1;
+
+}
+//____________________________________________________________
-void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const
+void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
{
/***************************************************
Resonstruct digits to vertex position
****************************************************/
-
- if (!runLoader) {
- AliError("Reconstruct >> No run loader");
- return;
- }
-
AliDebug(1,Form("Start FillESD T0"));
- AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
-
- pStartLoader->LoadRecPoints("READ");
-
- TTree *treeR = pStartLoader->TreeR();
+ TTree *treeR = clustersTree;
AliT0RecPoint* frecpoints= new AliT0RecPoint ();
if (!frecpoints) {
Float_t timeStart, Zposition, amp[24], time[24];
Int_t i;
Zposition = frecpoints -> GetVertex();
- timeStart = frecpoints -> GetMeanTime();
+ timeStart = frecpoints -> GetMeanTime() ;
for ( i=0; i<24; i++) {
- time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns
+ time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
amp[i] = frecpoints -> GetAmp(i);
}
pESD->SetT0zVertex(Zposition); //vertex Z position
pESD->SetT0(timeStart); // interaction time
pESD->SetT0time(time); // best TOF on each PMT
pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
- cout<<" ESD >> "<<Zposition<<" "<<timeStart<<endl;
+
+ AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
- pStartLoader->UnloadRecPoints();
-
} // vertex in 3 sigma