]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - T0/AliT0Digitizer.cxx
new shifter histogram implemented HeaderBCID vs TRM BC ID
[u/mrichter/AliRoot.git] / T0 / AliT0Digitizer.cxx
index f45ff5336d3ea36c93eb8ffdd28fa3f847e89726..88c5d01e09c5be9b45b1ad6465b46e2634fd7a3b 100644 (file)
 
 /* $Id$ */
 
+/******************************************************************
+ *    Produde digits from hits
+ *       digits is TObject and includes
+ *     We are writing array if C & A  TDC
+ *     C & A  ADC (will need for slow simulation)
+ *     TOF first particle C & A
+ *     mean time and time difference (vertex position)
+ *
+ *      Alla.Maevskaya@cern.ch 
+ ****************************************************************/
+
+
 #include <TArrayI.h>
-#include <TDirectory.h>
-#include <TError.h>
 #include <TFile.h>
 #include <TGraph.h>
 #include <TH1F.h>
 #include "AliT0hit.h"
 #include "AliT0digit.h"
 #include "AliRunDigitizer.h"
-#include <AliDetector.h>
 #include "AliRun.h"
 #include <AliLoader.h>
 #include <AliRunLoader.h>
 #include <stdlib.h>
-#include <Riostream.h>
-#include <Riostream.h>
 #include "AliT0Parameters.h"
-#include "AliCDBLocal.h"
-#include "AliCDBStorage.h"
-#include "AliCDBManager.h"
-#include "AliCDBEntry.h"
 
 ClassImp(AliT0Digitizer)
 
@@ -57,10 +60,9 @@ ClassImp(AliT0Digitizer)
                                     fADC(new TArrayI(24)), 
                                     fADC0 (new TArrayI(24)),
                                     fSumMult(0),
-                                    fEffPMT(0)
-
-
-
+                                    fAmpLED(0),
+                                     fAmpQTC(0),
+                                    fParam(0)
 {
 // Default ctor - don't use it
   ;
@@ -77,13 +79,46 @@ AliT0Digitizer::AliT0Digitizer(AliRunDigitizer* manager)
    fADC(new TArrayI(24)), 
    fADC0 (new TArrayI(24)),
    fSumMult(0),
-   fEffPMT(0)
+   fAmpLED(0),
+   fAmpQTC(0),
+   fParam(0)
 {
 // ctor which should be used
 
   AliDebug(1,"processed");
+  fParam = AliT0Parameters::Instance();
+  fParam->Init();
 
-
+  for (Int_t i=0; i<24; i++){
+    TGraph* gr = fParam ->GetAmpLED(i);
+    Int_t np = gr->GetN();
+    Double_t *x = gr->GetX();
+    Double_t *y = gr->GetY();
+    
+    Double_t *x1 = new Double_t[np];
+    Double_t *y1 = new Double_t[np];
+    for (Int_t ii=0; ii<np; ii++) {
+      y1[ii]=y[np-ii-1]; 
+      x1[ii]=x[np-ii-1];
+    }
+    
+    TGraph *grInverse = new TGraph(np,y1,x1);
+    fAmpLED.AddAtAndExpand(grInverse,i);
+  }
+  for (Int_t i=0; i<24; i++){
+    TGraph* grq = fParam ->GetQTC(i);
+    Int_t npq = grq->GetN();
+    Double_t *xq = grq->GetX();
+    Double_t *yq = grq->GetY();
+    Double_t *x1q = new Double_t[npq];
+    Double_t *y1q = new Double_t[npq];
+    for (Int_t ii=1; ii<npq; ii++) {
+      y1q[ii]=yq[ii-1]; 
+      x1q[ii]=xq[ii-1];
+    }
+  TGraph *grInverseQTC = new TGraph(npq,y1q,x1q);
+  fAmpQTC.AddAtAndExpand(grInverseQTC,i);
+  }
 }
 
 //------------------------------------------------------------------------
@@ -97,9 +132,10 @@ AliT0Digitizer::~AliT0Digitizer()
   delete fADC;
   delete ftimeLED;
   delete  fADC0;
+  //  delete fAmpLED;
 }
 
- //------------------------------------------------------------------------
+//------------------------------------------------------------------------
 Bool_t AliT0Digitizer::Init()
 {
 // Initialization
@@ -107,9 +143,7 @@ Bool_t AliT0Digitizer::Init()
  return kTRUE;
 }
  
-
 //---------------------------------------------------------------------
-
 void AliT0Digitizer::Exec(Option_t* /*option*/)
 {
 
@@ -132,59 +166,46 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
   //
   // From hits to digits
   //
- Int_t hit, nhits;
 Int_t hit, nhits;
   Int_t countE[24];
   Int_t volume, pmt, trCFD, trLED; 
   Float_t sl, qt;
-  Int_t  bestATDC, bestCTDC, qtCh;
+  Int_t  bestATDC=0;
+  Int_t  bestCTDC=0;
+  Float_t qtCh=0;
   Float_t time[24], besttime[24], timeGaus[24] ;
-    //Q->T-> coefficients !!!! should be asked!!!
-  Float_t timeDelayCFD[24], timeDelayLED[24];
+  //Q->T-> coefficients !!!! should be asked!!!
+  Float_t timeDelayCFD[24];
   Int_t threshold =50; //photoelectrons
   Float_t zdetA, zdetC;
-   Int_t sumMultCoeff = 100;
-  TObjArray slewingLED;
-  TObjArray walk;
-  TH1F *hr ;
-
-  AliT0Parameters* param = AliT0Parameters::Instance();
-  param->Init();
-
-  Int_t ph2Mip = param->GetPh2Mip();     
-  Int_t channelWidth = param->GetChannelWidth() ;  
-  Float_t delayVertex = param->GetTimeDelayTVD();
-  for (Int_t i=0; i<24; i++){
-    timeDelayCFD[i] = param->GetTimeDelayCFD(i);
-   timeDelayLED[i] = param->GetTimeDelayLED(i);
-    TGraph* gr = param ->GetSlew(i);
-    slewingLED.AddAtAndExpand(gr,i);
-
-    TGraph* fu = param ->GetWalk(i);
-    walk.AddAtAndExpand(fu,i);
+  Int_t sumMultCoeff = 100;
+  Int_t refpoint=0;
+   
+  Int_t ph2Mip = fParam->GetPh2Mip();     
+  Float_t channelWidth = fParam->GetChannelWidth() ;  
+  Float_t delayVertex = fParam->GetTimeDelayTVD();
+   
 
-    TGraph* grEff = param ->GetPMTeff(i);
-    fEffPMT.AddAtAndExpand(grEff,i);
-  }
-  
-  zdetC = param->GetZposition(0);
-  zdetA = param->GetZposition(1);
+  zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
+  zdetA  = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
   
+  //  printf(" !!!!!Z det A = %f C = % f",zdetA,zdetC);
   AliT0hit  *startHit;
   TBranch *brHits=0;
   
   Int_t nFiles=fManager->GetNinputs();
   for (Int_t inputFile=0; inputFile<nFiles;  inputFile++) {
     if (inputFile < nFiles-1) {
-       AliWarning(Form("ignoring input stream %d", inputFile));
-       continue;
-       
+      AliWarning(Form("ignoring input stream %d", inputFile));
+      continue;
+      
     }
     
     Float_t besttimeC=99999.;
     Float_t besttimeA=99999.;
-    Int_t pmtBestC=9999;
-    Int_t pmtBestA=9999;
-    Int_t timeDiff=999, meanTime=0;
+    Int_t pmtBestC=99999;
+    Int_t pmtBestA=99999;
+    Int_t timeDiff=99999, meanTime=99999;
     Int_t sumMult =0;   fSumMult=0;
     bestATDC = 99999;  bestCTDC = 99999;
  
@@ -195,23 +216,25 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
     ftimeLED ->Reset();
     for (Int_t i0=0; i0<24; i0++)
       {
-       time[i0]=besttime[i0]=timeGaus[i0]=99999; countE[i0]=0;
+       time[i0]=besttime[i0]=timeGaus[i0]=999999; countE[i0]=0;
       }
     AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
     AliLoader * pInStartLoader = inRL->GetLoader("T0Loader");
     if (!inRL->GetAliRun()) inRL->LoadgAlice();
-    AliT0 *fT0  = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
+    fT0  = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
 
        //read Hits 
     pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
-    TClonesArray *fHits = fT0->Hits ();
+    fHits = fT0->Hits ();
     TTree *th = pInStartLoader->TreeH();
     brHits = th->GetBranch("T0");
     if (brHits) {
       fT0->SetHitsAddressBranch(brHits);
     }else{
-      AliError("Branch T0 hit not found");
-      exit(111);
+      AliWarning("Branch T0 hit not found for this event");
+      // fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
+      //              ftimeCFD,fADC0,ftimeLED,fADC);
+      continue;      
     } 
     Int_t ntracks    = (Int_t) th->GetEntries();
     
@@ -232,7 +255,6 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
          Double_t e=startHit->Etot();
          volume = startHit->Volume();
          
-         //      if(e>0 && RegisterPhotoE(numpmt,e)) {
          if(e>0 ) {
            countE[numpmt]++;
            besttime[numpmt] = startHit->Time();
@@ -254,9 +276,9 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
        if(timeGaus[ipmt]<besttimeC){
          besttimeC=timeGaus[ipmt]; //timeC
          pmtBestC=ipmt;}
-     }
+      }
     }
-     for ( Int_t ipmt=12; ipmt<24; ipmt++){
+    for ( Int_t ipmt=12; ipmt<24; ipmt++){
       if(countE[ipmt] > threshold) {
        timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25); 
        if(timeGaus[ipmt]<besttimeA) {
@@ -264,24 +286,9 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
          pmtBestA=ipmt;}
       }        
     }
-   //folding with alignmentz position distribution  
-    if( besttimeC > 10000. && besttimeC <15000)
-      bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
-                        /channelWidth);
-    if( besttimeA > 10000. && besttimeA <15000)
-      bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
-                       /channelWidth);
 
-    if (bestATDC < 99999 && bestCTDC < 99999)
-      {
-       timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
-                       /channelWidth);
-       meanTime=Int_t (((besttimeC+timeDelayCFD[pmtBestC]+
-                         besttimeA+timeDelayCFD[pmtBestA])/2.)
-                       /channelWidth);
-      }
-       AliDebug(10,Form(" time A& C %i %i  time diff && mean time in channels %i %i",bestATDC,bestCTDC, timeDiff, meanTime));
+    timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
     for (Int_t i=0; i<24; i++)
       {
                Float_t  al = countE[i]; 
@@ -291,45 +298,67 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
          // phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
          // max 200ns, HIJING  mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
          // channel 25ps
-         qt= 50.*al/ph2Mip;  // 50mv/Mip amp in mV 
+         qt= al/ph2Mip;  // 50mv/Mip amp in mV 
+         // before will we have calibration for high multiplicity 
+         //      if (qt > 115.) qt =115.; //must be fix!!!
          //  fill TDC
-         trCFD = Int_t (timeGaus[i]/channelWidth + (timeDelayCFD[i]-timeDelayCFD[0])); 
-         trLED= Int_t (timeGaus[i] + timeDelayLED[i]); 
-         sl = ((TGraph*)slewingLED.At(i))->Eval(qt);
-         trLED = Int_t(( trLED + 1000*sl )/channelWidth);
-         qtCh=Int_t (1000.*TMath::Log(qt)) / channelWidth;
+         timeDelayCFD[i] = fParam->GetTimeDelayCFD(i);
+         trCFD = Int_t (timeGaus[i]/channelWidth + timeDelayCFD[i]); 
+
+         TGraph* gr = ((TGraph*)fAmpLED.At(i));
+         sl = gr->Eval(qt);
+
+         TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
+         qtCh = gr1->Eval(qt);
          fADC0->AddAt(0,i);
-         fADC->AddAt(qtCh,i);
-         ftimeLED->AddAt(trLED,i); 
+         if(qtCh)
+           fADC->AddAt(Int_t(qtCh),i);
          //      sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
-         sumMult += Int_t (qt/sumMultCoeff)  ;
+         sumMult += Int_t (qtCh/sumMultCoeff)  ;
         
-       AliDebug(10,Form("  pmt %i : time in ns %f time in channels %i   ",
-                       i, timeGaus[i],trCFD ));
-       AliDebug(10,Form(" qt in mV %f qt in ns %f qt in channels %i   ",qt, 
-                       TMath::Log(qt), qtCh));
-       // put slewing 
-       TGraph *fu1=(TGraph*) walk.At(i);
-       Float_t slew=fu1->Eval(Float_t(qtCh));
-       hr=fu1->GetHistogram();
-       Float_t maxValue=hr->GetMaximum(50);
-       trCFD=trCFD-Int_t((maxValue-slew)/channelWidth);
-       ftimeCFD->AddAt(Int_t (trCFD),i);
-       cout<<" slew "<<slew<<" "<<maxValue<<" "<<trCFD<<endl;
+         // put slewing 
+         TGraph *fu=(TGraph*) fParam ->GetWalk(i);
+         Float_t slew=fu->Eval(Float_t(qtCh));
+
+         //      trCFD=trCFD-Int_t(fMaxValue[i]-slew);
+         trCFD = trCFD + Int_t(slew); //for the same channel as cosmic
+         ftimeCFD->AddAt(Int_t (trCFD),i);
+         trLED = Int_t(trCFD  + sl );
+         ftimeLED->AddAt(trLED,i); 
+         AliDebug(10,Form("  pmt %i : time in ns %f time in channels %i  LEd %i  ",  i, timeGaus[i],trCFD, trLED ));
+         AliDebug(10,Form(" qt in MIP %f led-cfd in  %f qt in channels %f   ",qt, sl, qtCh));
+
        }
       } //pmt loop
 
+    //folding with alignmentz position distribution  
+    if( besttimeC > 10000. && besttimeC <15000)
+      bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
+                        /channelWidth);
+    if( besttimeA > 10000. && besttimeA <15000)
+      bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
+                       /channelWidth);
+
+    if (bestATDC < 99999 && bestCTDC < 99999)
+      {
+       timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
+                       /channelWidth);
+       meanTime=Int_t (((besttimeC+besttimeA)/2. )/channelWidth);
+      }
+
     if (sumMult > threshold){
       fSumMult =  Int_t (1000.* TMath::Log(Double_t(sumMult) / Double_t(sumMultCoeff))
                         /channelWidth);
-      AliDebug(10,Form("summult mv %i   mult  in chammens %i in ps %i ", 
+      AliDebug(10,Form("summult mv %i   mult  in chammens %i in ps %f ", 
                      sumMult, fSumMult, fSumMult*channelWidth));
     }
 
-      fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult,
+    fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
                       ftimeCFD,fADC0,ftimeLED,fADC);
      
-      AliDebug(10,Form(" Digits wrote bestATDC %i bestCTDC %i  meanTime %i  timeDiff %i fSumMult %i ", bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
+    
+      AliDebug(10,Form(" Digits wrote refpoint %i bestATDC %i bestCTDC %i  meanTime %i  timeDiff %i fSumMult %i ",refpoint ,bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
     pOutStartLoader->UnloadHits();
   } //input streams loop