**************************************************************************/
/* $Id$ */
-
-#include <Riostream.h>
-
-#include <TDirectory.h>
-
-#include "AliRunLoader.h"
-#include <AliESD.h>
+/*********************************************************************
+ * T0 reconstruction and filling ESD
+ * - reconstruct mean time (interation time)
+ * - vertex position
+ * - multiplicity
+ ********************************************************************/
+
+#include <AliESDEvent.h>
#include "AliLog.h"
-#include "AliT0Loader.h"
#include "AliT0RecPoint.h"
#include "AliRawReader.h"
#include "AliT0RawReader.h"
#include "AliT0Reconstructor.h"
#include "AliT0Parameters.h"
#include "AliT0Calibrator.h"
-#include "AliCDBLocal.h"
-#include "AliCDBStorage.h"
-#include "AliCDBManager.h"
-#include "AliCDBEntry.h"
#include <TArrayI.h>
#include <TGraph.h>
-//#include <TGeoManager.h>
-//#include <TClonesArray.h>
-//#include <TString.h>
-//#include <TGeoPNEntry.h>
-//#include <TGeoPhysicalNode.h>
-//#include <TGeoHMatrix.h>
+#include <TMath.h>
ClassImp(AliT0Reconstructor)
AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
- fZposition(0)
-
+ fdZonA(0),
+ fdZonC(0),
+ fZposition(0),
+ fParam(NULL),
+ fAmpLEDrec()
{
+ //constructor
+
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->GetTimeV0(i);
+ }
+ fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
+ fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
+
}
//____________________________________________________________________
AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
- fZposition(0)
-
-{
+ AliReconstructor(r),
+ fdZonA(0),
+ fdZonC(0),
+ fZposition(0),
+ fParam(NULL),
+ fAmpLEDrec()
+ {
//
// AliT0Reconstructor copy constructor
//
//_____________________________________________________________________________
void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
-
+
{
-// T0 digits reconstruction
-// T0RecPoint writing
-
+ // T0 digits reconstruction
+ // T0RecPoint writing
- Float_t timeDelayLED[24];
- Float_t zdetA,zdetC;
- TObjArray slewingLEDrec;
- TObjArray walk;
-
+
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++){
- TGraph* gr = param ->GetSlewRec(i);
- slewingLEDrec.AddAtAndExpand(gr,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) {
brDigits->SetAddress(&fDigits);
}else{
- cerr<<"EXEC Branch T0 digits not found"<<endl;
- return;
+ AliError(Form("EXEC Branch T0 digits not found"));
+ return;
}
digitsTree->GetEvent(0);
fDigits->GetTimeLED(*timeLED);
fDigits->GetQT0(*chargeQT0);
fDigits->GetQT1(*chargeQT1);
+
Float_t besttimeA=999999;
Float_t besttimeC=999999;
- AliT0RecPoint* frecpoints= new AliT0RecPoint ();
- clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
-
+ 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 ){
- Int_t qt0= chargeQT0->At(ipmt);
- Int_t qt1= chargeQT1->At(ipmt);
+ 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) ) ;
//LED
- Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth;
- Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.);
+ 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);
adc[ipmt] = 0;
}
}
-
+
for (Int_t ipmt=0; ipmt<12; ipmt++){
if(time[ipmt] > 1 ) {
if(time[ipmt]<besttimeC){
Float_t c = 0.0299792; // cm/ps
Float_t vertex = 0;
if(besttimeA !=999999 && besttimeC != 999999 ){
- timeDiff = besttimeC - besttimeA;
- meanTime = (besttimeA + besttimeC)/2.;
- vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
+ timeDiff =(besttimeC - besttimeA)*channelWidth;
+ meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
+ vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/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;
+ time[ipmt] = time[ipmt] * channelWidth;
+ frecpoints->SetTime(ipmt,time[ipmt]);
+ }
+ }
clustersTree->Fill();
delete timeCFD;
void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
{
-// T0 raw ->
-// T0RecPoint writing
-
- //Q->T-> coefficients !!!! should be asked!!!
- Float_t timeDelayLED[24];
- Float_t zdetA,zdetC;
- TObjArray slewingLEDrec;
- TObjArray walk;
-
+ // 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()));
- Int_t allData[110][5];
for (Int_t i=0; i<110; i++) {
allData[i][0]=myrawreader.GetData(i,0);
}
+ AliT0Calibrator *calib = new AliT0Calibrator();
- 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() ;
-
- for (Int_t i=0; i<24; i++){
- TGraph* gr = param ->GetSlewRec(i);
- slewingLEDrec.AddAtAndExpand(gr,i) ;
- }
-
- zdetC = param->GetZposition(0);
- zdetA = param->GetZposition(1);
- // zdetC=GetZdet("C");
- // zdetA=GetZdet("A");
- cout<<" !!!!! zdetC "<<zdetC<<" zdetA "<< zdetA<<endl;
- for (Int_t in=0; in<24; in++)
+ 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+55][0],in);
- chargeQT0->AddAt(allData[in+79][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 time[24], adc[24];
for (Int_t ipmt=0; ipmt<24; ipmt++) {
if(timeCFD->At(ipmt)>0 ){
- Int_t qt0= chargeQT0->At(ipmt);
- Int_t qt1= chargeQT1->At(ipmt);
+ 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) ) ) ;
- Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt)- (1000.*timeDelayLED[ipmt]/channelWidth))*channelWidth;
- Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/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;
Float_t c = 0.0299792; // cm/ps
Float_t vertex = 0;
if(besttimeA !=999999 && besttimeC != 999999 ){
- timeDiff = besttimeC - besttimeA;
- meanTime = (besttimeA + besttimeC)/2.;
- vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
+ timeDiff = (besttimeC - besttimeA)*channelWidth;
+ meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
+ vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/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]);
+ }
+ }
+ */
recTree->Fill();
-
+
delete timeCFD;
delete timeLED;
}
//____________________________________________________________
-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) {
if (brRec) {
brRec->SetAddress(&frecpoints);
}else{
- cerr<<"EXEC Branch T0 rec not found"<<endl;
- // exit(111);
+ AliError(Form("EXEC Branch T0 rec not found"));
return;
}
brRec->GetEntry(0);
- Float_t timeStart, Zposition, amp[24], time[24];
- Int_t mean0 = 12450;
- Int_t i;
- Zposition = frecpoints -> GetVertex();
- timeStart = frecpoints -> GetMeanTime() - mean0;
- for ( i=0; i<24; i++) {
- time[i] = Float_t (frecpoints -> GetTime(i)) / 1000.; // ps to ns
+ Float_t amp[24], time[24];
+ Float_t zPosition = frecpoints -> GetVertex();
+ Float_t timeStart = frecpoints -> GetMeanTime() ;
+ for ( Int_t i=0; i<24; i++) {
+ time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
amp[i] = frecpoints -> GetAmp(i);
}
- pESD->SetT0zVertex(Zposition); //vertex Z position
+ 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
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff