T0 QA Task

diff --git a/T0/AliT0AnalysisTaskQA.cxx b/T0/AliT0AnalysisTaskQA.cxx
new file mode 100644 (file)
index 0000000..cf9e24d
--- /dev/null
+++ b/T0/AliT0AnalysisTaskQA.cxx
@@ -0,0 +1,190 @@
+#include "TChain.h"
+#include "TTree.h"
+#include "TH1F.h"
+#include "TF1.h"
+#include "TH2F.h"
+#include "TCanvas.h"
+#include "TObjArray.h"
+
+#include "AliAnalysisTask.h"
+#include "AliAnalysisManager.h"
+
+#include "AliESDEvent.h"
+#include "AliESDInputHandler.h"
+
+#include "AliT0AnalysisTaskQA.h"
+
+//#include "AliCDBMetaData.h"
+//#include "AliCDBId.h"
+//#include "AliCDBEntry.h"
+//#include "AliCDBManager.h"
+//#include "AliCDBStorage.h"
+
+// Task should calculate channels offset 
+// Authors: Alla 
+
+ClassImp(AliT0AnalysisTaskQA)
+//________________________________________________________________________
+AliT0AnalysisTaskQA::AliT0AnalysisTaskQA() 
+  : AliAnalysisTaskSE(),  fESD(0x0), fTzeroObject(0x0),
+  fTzeroORA(0x0), fTzeroORC(0x0), fResolution(0x0), fTzeroORAplusORC(0x0),
+    fRunNumber(0),fTimeVSAmplitude(0x0),fCFDVSPmtId(0x0),fSPDVertexVST0Vertex(0x0),
+    fOrAvsNtracks(0), fOrCvsNtracks(0), fT0vsNtracks(0) 
+{
+  // Constructor
+
+  // Define input and output slots here
+  // Input slot #0 works with a TChain
+
+// ########### NEVER define slots in the IO constructor
+//  DefineInput(0,  TChain::Class());
+//  DefineOutput(1, TObjArray::Class());
+}
+
+
+//________________________________________________________________________
+AliT0AnalysisTaskQA::AliT0AnalysisTaskQA(const char *name) 
+  : AliAnalysisTaskSE(name),  fESD(0x0), fTzeroObject(0x0),
+  fTzeroORA(0x0), fTzeroORC(0x0), fResolution(0x0), fTzeroORAplusORC(0x0),
+    fRunNumber(0),fTimeVSAmplitude(0x0),fCFDVSPmtId(0x0),fSPDVertexVST0Vertex(0x0),
+    fOrAvsNtracks(0), fOrCvsNtracks(0), fT0vsNtracks(0) 
+{
+  // Constructor
+  // Define input and output slots here
+  // Input slot #0 works with a TChain
+  DefineInput(0, TChain::Class());
+  DefineOutput(1, TObjArray::Class());
+  // Output slot #0 id reserved by the base class for AOD
+  // Output slot #1 writes into a TH1 container
+}
+
+//________________________________________________________________________
+AliT0AnalysisTaskQA::~AliT0AnalysisTaskQA() 
+{
+  // Destructor
+  // printf("AliT0CalibOffsetChannels~AliT0CalibOffsetChannels() ");
+  delete fTzeroORA;
+  delete fTzeroORC;
+  delete fResolution;
+  delete fTzeroORAplusORC;
+  delete [] fTimeVSAmplitude;
+  delete fCFDVSPmtId;
+  delete fSPDVertexVST0Vertex;
+  delete  fOrAvsNtracks;
+  delete fOrCvsNtracks;
+  delete  fT0vsNtracks; 
+
+  delete fTzeroObject;
+}
+
+//------------------------------------------------------------------
+void AliT0AnalysisTaskQA::UserCreateOutputObjects()
+{
+  // Create histograms
+ fTimeVSAmplitude = new TH2F*[NPMT0];
+
+ for (Int_t i=0; i<NPMT0; i++) {
+    fTimeVSAmplitude[i]= new TH2F (Form("fTimeVSAmplitude%d",i+1),"fTimeVsAmplitude",60, -10, 50,500,6000,7000);
+  }
+
+  fTzeroORAplusORC = new TH1F("fTzeroORAplusORC","ORA+ORC /2",100,-2000,2000);   //or A plus or C 
+  fResolution      = new TH1F("fResolution","fResolution",100,-2000,2000);// or A minus or C spectrum
+  fTzeroORA        = new TH1F("fTzeroORA","fTzeroORA",100,-2000,2000);// or A spectrum
+  fTzeroORC        = new TH1F("fTzeroORC","fTzeroORC",100,-2000,2000);// or C spectrum
+  fCFDVSPmtId      = new TH2F("fCFDVSPmtId","fCFDVSPmtId",24,0,24,250,6000,7000);  // 
+  fSPDVertexVST0Vertex = new TH2F("fSPDVertexVST0Vertex","fSPDVertexVST0Vertex",30,-30,30,30,-30,30);
+   fOrAvsNtracks = new TH2F("fAvstracks", "Avstracks",200, 0, 1000, 500, -1000, 1000);
+  fOrCvsNtracks = new TH2F("fCvstracks", "Cvstracks",200, 0, 1000, 500, -1000, 1000);
+   fT0vsNtracks = new TH2F("fT0ACvstrackles", "T0ACvstracks",200, 0, 1000, 500, -1000, 1000); 
+
+  fTzeroObject     = new TObjArray(0);
+  fTzeroObject->SetOwner(kTRUE);
+  
+  for (Int_t i=0; i<24; i++)
+    fTzeroObject->AddAtAndExpand(fTimeVSAmplitude[i],i);
+
+  fTzeroObject->AddAtAndExpand(fCFDVSPmtId,24);
+  fTzeroObject->AddAtAndExpand(fSPDVertexVST0Vertex,25);
+  fTzeroObject->AddAtAndExpand(fTzeroORAplusORC, 26);
+  fTzeroObject->AddAtAndExpand(fResolution, 27);
+  fTzeroObject->AddAtAndExpand(fTzeroORA, 28);
+  fTzeroObject->AddAtAndExpand(fTzeroORC, 29);
+  fTzeroObject->AddAtAndExpand(fT0vsNtracks, 30);
+  fTzeroObject->AddAtAndExpand(fOrAvsNtracks,31);
+  fTzeroObject->AddAtAndExpand(fOrCvsNtracks, 32);
+
+  PostData(1, fTzeroObject);
+  // Called once
+}
+
+//________________________________________________________________________
+void AliT0AnalysisTaskQA::UserExec(Option_t *) 
+{
+  // Main loop
+  // Called for each event
+
+  // Post output data.
+  fESD = dynamic_cast<AliESDEvent*>(InputEvent());
+  if (!fESD) {
+    printf("ERROR: fESD not available\n");
+    return;
+  }
+
+  fRunNumber =  fESD->GetRunNumber() ; 
+
+  const Double32_t* time = fESD->GetT0time();
+  const Double32_t* amplitude = fESD->GetT0amplitude();
+
+ 
+  for (Int_t i=0; i<24; i++) {
+    if(time[i]<9999 &&abs(time[i])>1e-8 && amplitude[i]<9999&&abs(amplitude[i])>1e-8 )
+      {
+       //      cout<<"time "<<time[i]<<" amplitude "<<amplitude[i]<<endl;
+       fTimeVSAmplitude[i]->Fill(amplitude[i],time[i]);
+       fCFDVSPmtId->Fill(i,time[i]);
+      }
+  }
+
+  const Double32_t* mean = fESD->GetT0TOF();
+  Double32_t orA = mean[1];
+  Double32_t orC = mean[2];
+  Int_t ntracks = fESD->GetNumberOfTracks(); 
+
+  if(orA<9999){
+    fTzeroORA->Fill(orA);
+    fOrAvsNtracks->Fill(ntracks, orA);
+  }
+  if(orC<9999) {
+    fTzeroORC->Fill(orC);
+    fOrCvsNtracks->Fill(ntracks, orC);
+  }
+  if(orA<9999 && orC<9999) {
+    fResolution->Fill((orA-orC)/2.);
+    fTzeroORAplusORC->Fill(mean[0]);
+    fT0vsNtracks->Fill(ntracks, mean[0]);
+  }
+  
+  Double32_t t0vertex = fESD->GetT0zVertex();
+  //  cout << "t0 vertex "<<t0vertex<<endl;
+  Double32_t esdzvertex;
+  const AliESDVertex * esdvertex = fESD->GetPrimaryVertex();
+  Int_t nofcontrib=-1;
+  if(esdvertex && t0vertex<999)
+    {
+      nofcontrib=esdvertex->GetNContributors();
+      if(nofcontrib>1)
+       {
+         esdzvertex=esdvertex->GetZv();
+         //      cout << "esd vertex "<<esdzvertex<<endl;
+         fSPDVertexVST0Vertex->Fill(t0vertex,esdzvertex);
+       }
+    }
+  // printf("%f   %f  %f\n",orA,orC,time);
+  PostData(1, fTzeroObject);
+}      
+ //________________________________________________________________________
+void AliT0AnalysisTaskQA::Terminate(Option_t *) 
+{
+  
+   // Called once at the end of the query
+}

diff --git a/T0/AliT0AnalysisTaskQA.h b/T0/AliT0AnalysisTaskQA.h
new file mode 100644 (file)
index 0000000..ff8b9ba
--- /dev/null
+++ b/T0/AliT0AnalysisTaskQA.h
@@ -0,0 +1,49 @@
+#ifndef AliT0AnalysisTaskQA_cxx
+#define AliT0AnalysisTaskQA_cxx
+
+// task determines mean and sigma of T0 signals  ORA, ORC, ORA-ORC, ORA+ORC/2  
+// Authors: FK  
+
+#define NPMT0 24  //number T0 of photomultipliers
+
+class TH1F;
+class TObjArray; 
+class AliESDEvent;
+class TH2F;
+
+#include "AliAnalysisTaskSE.h"
+
+class AliT0AnalysisTaskQA : public AliAnalysisTaskSE {
+ public:
+  AliT0AnalysisTaskQA();
+  AliT0AnalysisTaskQA(const char *name);
+  virtual ~AliT0AnalysisTaskQA(); 
+  
+  virtual void   UserCreateOutputObjects();
+  virtual void   UserExec(Option_t *option);
+  virtual void   Terminate(Option_t *);
+  TObjArray* GetOffsetHistos() {return fTzeroObject;}
+  
+ private:
+  AliESDEvent *fESD;          //! ESD object
+  TObjArray   *fTzeroObject;  // array with CFDi-CFD1 and  CFDi
+  TH1F        *fTzeroORA;     //! or A spectrum    
+  TH1F        *fTzeroORC;     //! or C spectrum    
+  TH1F        *fResolution;   //! or A minus or C spectrum    
+  TH1F        *fTzeroORAplusORC; //! ORA+ORC /2 
+  int         fRunNumber;
+  TH2F        **fTimeVSAmplitude; //! Time vs. Amplitude
+  TH2F        *fCFDVSPmtId;   //! CFDi vs pmt id
+  TH2F        *fSPDVertexVST0Vertex; //! SPD vertex vs T0 vertex   
+  TH2F        *fOrAvsNtracks; //! T0A vs Ntracks
+  TH2F        *fOrCvsNtracks; //! T0C vs Ntracks
+  TH2F        *fT0vsNtracks; //! T0A vs Ntracks
+  
+ 
+  AliT0AnalysisTaskQA(const AliT0AnalysisTaskQA&); // not implemented
+  AliT0AnalysisTaskQA& operator=(const AliT0AnalysisTaskQA&); // not implemented
+  
+  ClassDef(AliT0AnalysisTaskQA, 1); // example of analysis
+};
+
+#endif