示例#1
0
void spectra_mw(const char *prefix = "pt/PhiNsigma_KTPCnsig30_STD2010_00_DEFAULT_00")
{
  TGraphErrors *g = ReadMWGraph(Form("%s/mass", prefix), 1);
  g->Draw("ACP");

  TLatex latex;
  latex.SetTextFont(42);
  latex.SetTextAlign(12);
  latex.SetTextSize(0.03);
  latex.SetTextColor(kBlue+1);
  latex.DrawLatex(1.2, 1.01877, "MC generated");
  latex.SetTextColor(kGreen+1);
  latex.DrawLatex(1.2, 1.01877-0.00015, "MC reconstructed");
  latex.SetTextColor(kRed+1);
  latex.DrawLatex(1.2, 1.01877-2*0.000155, "Real data (uncorrected)");
  latex.SetTextColor(kBlack);
  latex.DrawLatex(1.2, 1.01877-3*0.00016, "Real data (corrected)");
  gPad->Print(Form("%s.pdf", g->GetName()));

  gPad->Clear();
  gPad->SetLogy(0);
  TGraphErrors *g = ReadMWGraph(Form("%s/mass", prefix), 3);
  g->Draw("AP");
  latex.SetTextAlign(22);
  latex.SetTextSize(0.04);
  latex.SetTextColor(kBlack);
  latex.DrawLatex(2.0, 1.0207, "pp @ #sqrt{s} = 2.76 TeV");
  latex.DrawLatex(2.0, 1.0205, "TPC 3.0 #sigma");
  latex.DrawLatex(2.0, 1.0202, "#phi #rightarrow K^{ +}  K^{ -}");
  latex.SetTextSize(0.035);
  latex.DrawLatex(1.7, 1.0182, "uncertainties:  stat. (bars) & syst. (boxes)");
  gPad->Print(Form("%s.pdf", g->GetName()));

  gPad->Clear();
  TGraphErrors *g = ReadMWGraph(Form("%s/width", prefix), 2);
  g->Draw("AP");
  TLatex latex;
  latex.SetTextAlign(22);
  latex.SetTextSize(0.04);
  latex.SetTextColor(kBlack);
  latex.DrawLatex(1.7, 0.0090, "pp @ #sqrt{s} = 2.76 TeV");
  latex.DrawLatex(1.7, 0.0085, "TPC 3.0 #sigma");
  latex.DrawLatex(1.7, 0.0077, "#phi #rightarrow K^{ +}  K^{ -}");
  latex.SetTextSize(0.035);
  latex.DrawLatex(1.7, 0.0007, "uncertainties:  stat. (bars) & syst. (boxes)");
  gPad->Print(Form("%s.pdf", g->GetName()));

  //  gPad->Clear();
  //  gPad->SetLogy();
  //  TGraphErrors *g = ReadPtGraphSys("pt/out.txt");
  //  if (!g) return;
  //  g->Draw("AP");
  //  gPad->Print(Form("%s.pdf", g->GetName()));
}
示例#2
0
map<int,vector<double> > RPCChambersCluster::getReconstructedHits(vector<unsigned> vectorOfReferenceChambers, const int & timeWindow,const int & timeReference,bool & isVerticalTrack,map<int,double> & scintilatorsCoordinates,const bool & keepRecoTrack,TFile * fileForRecoTracks,const int & eventNum,const double & correlationFactor, const ESiteFileType & fileType){
  
  // 
  
  map<int,vector<double> > mapOfHits; //
  // the default value for Chi2goodness is 20 
  //double best_chi2goodnes_value = Chi2goodness+10 ; // this variable is used as reference so that it holds the best chi2 found for a track, so its used only a track with better chi2 to be accepted
  double currentBestCorrFact = -2;
  
  int lastFitPoint = 0;
  
  for (int i = 0 ; i < this->getNumberOfChambers() ; i++){
    this->getChamberNumber(i+1)->findAllClustersForTriggerTimeReferenceAndTimeWindow(timeReference,timeWindow,5);
    //cout  << "Chamber is " << i+1 << endl;
  }
  
  vector<vector<int> > vectorOfClusterNumberCombinations;  
  
  if (fileType == kIsCERNrawFile ){
    
    assert(vectorOfReferenceChambers.size() == 3 );
    
    lastFitPoint = 9;
    
    for ( int i = 0 ; i < this->getChamberNumber(vectorOfReferenceChambers[0])->getNumberOfClusters() ; i++ ){
      for( int j = 0 ; j < this->getChamberNumber(vectorOfReferenceChambers[1])->getNumberOfClusters() ; j++ ){
	for( int k = 0 ; k < this->getChamberNumber(vectorOfReferenceChambers[vectorOfReferenceChambers.size()-1])->getNumberOfClusters() ; k++ ){
	  
	  vector<int> singleCombination;
	  
	  singleCombination.push_back(i+1);
	  singleCombination.push_back(j+1);
	  singleCombination.push_back(k+1);
	  
	  for (int f = 0 ; f < singleCombination.size() ; f++){	  
	    if(this->getChamberNumber(vectorOfReferenceChambers[f])->getSizeOfCluster(singleCombination.at(f)) > 5 ) continue;	  
	    // don't insert combination if there is too big cluster. 
	  }
	  
	  vectorOfClusterNumberCombinations.push_back(singleCombination);
	  
	}
      }
    }
  }
  
  if (fileType == kIsBARCrawFile || fileType == kIsGENTrawFile ){
    // add implementation for BARC and Ghent stand . 
    lastFitPoint = 5;
    
    assert(vectorOfReferenceChambers.size() == 2);
    
    for ( int i = 0 ; i < this->getChamberNumber(vectorOfReferenceChambers[0])->getNumberOfClusters() ; i++ ){
      for( int j = 0 ; j < this->getChamberNumber(vectorOfReferenceChambers[1])->getNumberOfClusters() ; j++ ){
      
	vector<int> singleCombination;
	singleCombination.push_back(i+1);
	singleCombination.push_back(j+1);
	
	for (int f = 0 ; f < singleCombination.size() ; f++){
	  if(this->getChamberNumber(vectorOfReferenceChambers[f])->getSizeOfCluster(singleCombination.at(f)) > 5 ) continue;
	  // don't insert combination if there is too big cluster. 
	}
	
	vectorOfClusterNumberCombinations.push_back(singleCombination);
      
      }
    }
  }
  
  string topScintToString, botScintToString;
  
  for (int combinationsVectorElement = 0 ; combinationsVectorElement < vectorOfClusterNumberCombinations.size() ; combinationsVectorElement ++){
    
    // the partition logic start  here - track could pass more than one partition
    
    int direction = 0 ; // direction should describe how the partition changes from one reference chamber to another. It 
    vector<int> RefChamberClusterPartition;
    bool positive = false;
    bool negative = false;
    int partitionPenetrated = 1;
    
    // the Y coordinate is the partition number (1 2 or 3 - A B or C)
    
    vector<int> clusterNum = vectorOfClusterNumberCombinations.at(combinationsVectorElement);
    
    for (int ii = 0; ii < clusterNum.size() ; ii++){
      RefChamberClusterPartition.push_back(this->getChamberNumber(vectorOfReferenceChambers[ii])->getXYCoordinatesOfCluster(clusterNum.at(ii)).at(1));
    }
    
    isVerticalTrack = true;
    
    for ( int ii = 0; ii < RefChamberClusterPartition.size() - 1 ; ii++ ){
      direction = (RefChamberClusterPartition.at(ii) - RefChamberClusterPartition.at(ii+1));
      if (direction != 0) { 
	direction = direction/abs(direction); 
	partitionPenetrated++;
      } // get only the sign ( +1 or -1)
      if (direction && direction == -1)  { positive = true; isVerticalTrack = false; }
      if (direction && direction == 1 )  { negative = true; isVerticalTrack = false; }
    }
    
    if ( positive && negative ) continue;
    // cannot have a track that goes in both direction
    
    /*
    TH1F * histXZ = new TH1F("fitHistogram","XZ plane",110,0,11);
    histXZ->GetYaxis()->SetRangeUser(-20,52);
    histXZ->SetMarkerColor(kBlue);
    histXZ->SetMarkerStyle(kCircle);
    histXZ->GetXaxis()->SetTitle("Shelf number");
    histXZ->GetYaxis()->SetTitle("Channel number");
    */
    
    TF1 * fitfunc = new TF1("FitTrack","[0]+x*[1]",0,lastFitPoint+1);
    
    TGraphErrors * graphXZ = new TGraphErrors();
    graphXZ->GetXaxis()->SetTitle("Shelf number");
    graphXZ->GetYaxis()->SetTitle("Channel number");
    //graphXZ->SetLineColor(0);
    graphXZ->SetMarkerColor(kBlack);
    graphXZ->SetMarkerStyle(kFullCircle);
    graphXZ->SetName("fit graph");
    graphXZ->SetTitle("XZ plane");
    graphXZ->GetXaxis()->SetTitle("Muon station");
    graphXZ->GetYaxis()->SetTitle("Channel number");
    
    fitfunc->SetLineColor(kBlue);        
    
    vector<double> coordinates;
    double xCoordinate = 0;
    int yCoordinate = 0;
    int zCoorinate = 0;
    
    
    for (int ii=0 ; ii < vectorOfReferenceChambers.size() ; ii++){
      
      coordinates = this->getChamberNumber(vectorOfReferenceChambers[ii])->getXYCoordinatesOfCluster(clusterNum[ii]);
      xCoordinate = coordinates.at(0);
      yCoordinate = coordinates.at(1);
      zCoorinate = 10*vectorOfReferenceChambers[ii];
      Double_t errorValue = this->getChamberNumber(vectorOfReferenceChambers[ii])->getSizeOfCluster(clusterNum[ii]);
//       histXZ->SetBinContent(zCoorinate,xCoordinate);  
//       histXZ->SetBinError(zCoorinate,errorValue/2);
      //cout << xCoordinate << " " << yCoordinate << endl;
      graphXZ->SetPoint(ii,vectorOfReferenceChambers[ii],xCoordinate);
      graphXZ->SetPointError(ii,0,errorValue/2);
    }
    
    Double_t params[2];
    graphXZ->Fit(fitfunc,"RFQ");
    fitfunc->GetParameters(params);
    
    //cout << "par1 " << params[0] << " par2 " << params[1] << " chi2 " << fitfunc->GetChisquare() << endl;
    // The resudials - difference between estimated fit value and the middle of the nearest cluster
    
    int prevReference = 0 , nextReference = 0 , prevReferencePartition = 0 , nextReferencePartition = 0; 
    bool currentChamberIsReference = false;
    int startCounter = 0, endCounter = 0;
    
    if ( abs(graphXZ->GetCorrelationFactor()) >= correlationFactor && abs(graphXZ->GetCorrelationFactor()) > currentBestCorrFact ) {
      // in case of only one partition, get the partition number of the first reference point
      currentBestCorrFact = abs(graphXZ->GetCorrelationFactor());
      
      int referenceChambersIncrementor = 0;
      bool negativeChannelNumberIsFound = false;
      
      // ---------
            
      for ( int currentChNumber = 0 ; currentChNumber < this->getNumberOfChambers() ; currentChNumber++ ) {
	// check where the chamber is according to the reference chambers
	vector<double> vectorOfpartitionsAndHit;
	double channelNum = fitfunc->Eval(currentChNumber+1);

	/** four cases 1. the chamber is before the first reference 2. the chamber is after the last reference 3. the chamber is between two references 4. the chamber is a reference */
	
	for(int refCheck = 0 ; refCheck < vectorOfReferenceChambers.size(); refCheck++){
	  // find the surounding references
	  if (currentChNumber+1 == vectorOfReferenceChambers.at(refCheck)){
	    currentChamberIsReference = true;
	    break;
	  }
	  if ( vectorOfReferenceChambers.at(refCheck) > currentChNumber+1 && refCheck == 0 ){
	    // its before the first reference chamber
	    nextReference = vectorOfReferenceChambers.at(refCheck);
	    nextReferencePartition = this->getChamberNumber(nextReference)->getXYCoordinatesOfCluster(clusterNum[refCheck]).at(1);
	    break;
	    
	  }
	  
	  if ( vectorOfReferenceChambers.at(refCheck) < currentChNumber+1 && refCheck == vectorOfReferenceChambers.size() - 1 ){
	    // its after the last chamber
	    prevReference = vectorOfReferenceChambers.at(refCheck);
	    prevReferencePartition = this->getChamberNumber(prevReference)->getXYCoordinatesOfCluster(clusterNum[refCheck]).at(1);
	    break;    
	  }
	  if ( vectorOfReferenceChambers.at(refCheck) < currentChNumber+1 && vectorOfReferenceChambers.at(refCheck+1) > currentChNumber+1 ){
	    // its between two references
	    prevReference = vectorOfReferenceChambers.at(refCheck) ;
	    nextReference = vectorOfReferenceChambers.at(refCheck+1);
	    prevReferencePartition = this->getChamberNumber(prevReference)->getXYCoordinatesOfCluster(clusterNum[refCheck]).at(1);
	    nextReferencePartition = this->getChamberNumber(nextReference)->getXYCoordinatesOfCluster(clusterNum[refCheck+1]).at(1);
	    break;    
	  }
	}
	
	// end of partition possibilities
	
	if(!currentChamberIsReference){
	  
	  if (nextReference && prevReference == 0){
	    if (positive){
	      prevReferencePartition = 1;      
	    }
	    if(negative){
	      prevReferencePartition = this->getChamberNumber(1)->getClones();      
	    }    
	  }
	  
	  if (prevReferencePartition && nextReferencePartition == 0){
	    if (positive){
	      nextReferencePartition = this->getChamberNumber(1)->getClones();      
	    }
	    if(negative){
	      nextReferencePartition = 1;      
	    }    
	  }
	  
	  if (partitionPenetrated == 1 ){
	    prevReferencePartition = yCoordinate;
	    nextReferencePartition = yCoordinate;    
	    
	    int firstRef = vectorOfReferenceChambers.at(0);
	    int lastRef = vectorOfReferenceChambers.at(vectorOfReferenceChambers.size() - 1);
	    int ccham =  currentChNumber+1;
	    
	    if(! (lastRef > ccham && firstRef < ccham) ){
	      // all partitions are possible, chambers are out of the reference scope
	      prevReferencePartition = this->getChamberNumber(1)->getClones(); 
	      nextReferencePartition = 1; // 3 in case of ecap chamber      
	    }
	  }
	  
	  if (positive){ startCounter = prevReferencePartition; endCounter = nextReferencePartition; }
	  else { startCounter = nextReferencePartition ; endCounter = prevReferencePartition ; }
	  
	  for (int currentCounter = startCounter ; currentCounter <= endCounter; currentCounter ++ ){
	    assert(currentCounter > 0 && currentCounter < 4);
	    vectorOfpartitionsAndHit.push_back(currentCounter);    
	  }
	}
	
	else{
	  vectorOfpartitionsAndHit.push_back(this->getChamberNumber(currentChNumber+1)->getXYCoordinatesOfCluster(clusterNum[referenceChambersIncrementor]).at(1));
	  referenceChambersIncrementor ++;
	}
	
	prevReference = 0 ; nextReference = 0 ; prevReferencePartition = 0 ; nextReferencePartition = 0; currentChamberIsReference = false;
	//cout << "Chamber " << l+1 << " " <<  coordinates.at(1) << " " << fitfunc->Eval(l+1) << " " << endl;
	
	int channelNumberToStore = channelNum;
	if (channelNumberToStore < 96/this->getChamberNumber(1)->getClones()){
	  channelNumberToStore += 1;
	} // add one to represent the fired channel, or none if the channel is on the right border
	
	vectorOfpartitionsAndHit.push_back(channelNumberToStore); // the last element is the number of the channel
	
	// Debug lines
	/**
	cout << "Chamber is " << currentChNumber+1 << " partitions " ;
	for (int thesize = 0 ; thesize < vectorOfpartitionsAndHit.size() - 1; thesize++){
	  cout << vectorOfpartitionsAndHit.at(thesize) << " " ;
	}
	
	cout << "channel " << vectorOfpartitionsAndHit.at(vectorOfpartitionsAndHit.size()-1) << endl;
	*/
	
	mapOfHits[currentChNumber+1] = vectorOfpartitionsAndHit;
	
      }      
      
      // ---------- scintilators coordinates estimate
      
      for (int scintNum = 0 ; scintNum < 31 ; scintNum++){
	if(this->getTriggerObjectNumber(1)->getChannel(scintNum+1)->hasHit() && vectorOfClusterNumberCombinations.size() == 1 ) {
	  if (scintNum < 10) { scintilatorsCoordinates[scintNum+1] = graphXZ->Eval(0); topScintToString = boost::lexical_cast<string>(scintNum+1); }
	  else { scintilatorsCoordinates[scintNum+1] = graphXZ->Eval(lastFitPoint+1); botScintToString = boost::lexical_cast<string>(scintNum+1); }
	}
      }      
    }
    
    // get only vertical tracks from the A partition if there are only two scint hits
    if (keepRecoTrack && isVerticalTrack && !mapOfHits.empty() && scintilatorsCoordinates.size() == 2){
      
      graphXZ->SetName(boost::lexical_cast<string>(eventNum).c_str());
      string partition;
      if (mapOfHits.find(vectorOfReferenceChambers.at(0))->second.at(0) == 1) partition = "A";
      else if (mapOfHits.find(vectorOfReferenceChambers.at(0))->second.at(0) == 2) partition = "B";
      else partition = "C";
      
      graphXZ->SetTitle(("Correlation factor is "+boost::lexical_cast<string>(graphXZ->GetCorrelationFactor()) + " trigger channels top: " + topScintToString + " bottom: " + botScintToString ).c_str());
      if(abs(graphXZ->GetCorrelationFactor()) >= correlationFactor) {
	
	string scintCombination="_"+topScintToString+"_"+botScintToString+"_"+partition;
	TDirectory * dir = fileForRecoTracks->GetDirectory(scintCombination.c_str(),true);
	
	if(!dir) {  
	  //fileForRecoTracks->ls();
	  fileForRecoTracks->mkdir(scintCombination.c_str()) ;
	  fileForRecoTracks->cd("");
	} 
	
	fileForRecoTracks->cd(scintCombination.c_str());
	//cout << fileForRecoTracks->GetPath() << endl;
      }
      else{ fileForRecoTracks->cd("") ; fileForRecoTracks->cd("badTracks") ; }
      
      graphXZ->Write(graphXZ->GetName(),TObject::kOverwrite);
      fileForRecoTracks->cd("");
      //fileForRecoTracks->Write(graphXZ->GetName(),TObject::kOverwrite);
    }
    
    fitfunc->Delete();
    //histXZ->Delete();
    graphXZ->Delete();
    
  }  
  
  return mapOfHits;
}
示例#3
0
文件: sh_graph.C 项目: jaromrax/shspe
//========================================================================
void joingraphsX(const char* myname, const char* g1 , int autocolors=1 ){

TMultiGraph *mg;
 TString myname2=myname;
 myname2.ReplaceAll(".","_"); 
 myname2.ReplaceAll(" ","_"); 
 myname2.ReplaceAll("_mysql_dat","_mysql_MG"); 
 if (  ( gROOT->GetListOfSpecials()->FindObject(myname2.Data()) )  ||
       ((gPad!=NULL)&&(gPad->FindObject(myname2.Data()) ))  ){
   mg=(TMultiGraph*)gROOT->GetListOfSpecials()->FindObject( myname2.Data() );
   if (mg==NULL){mg=(TMultiGraph*)gPad->FindObject( myname2.Data() );}
   printf("JG...TMultiGraph %s found...\n",myname2.Data() );
 }else{
   printf("JG...TMultiGraph %s created\n",myname2.Data() );
  mg=new TMultiGraph();
  mg->SetNameTitle(myname2.Data(),myname2.Data());
  gROOT->GetListOfSpecials()->Add( mg );
 }
 TGraphErrors *o;
 o=(TGraphErrors*)gROOT->GetListOfSpecials()->FindObject( g1 );
 if (o==NULL){ o=(TGraphErrors*)gDirectory->FindObject( g1 ); }
if (o==NULL){
  printf("JG...graph %ld NOT found...\n", (int64_t)g1 );
 }else{

  int ent=0;
  if ( mg->GetListOfGraphs()!=NULL){
    ent=mg->GetListOfGraphs()->GetEntries();
  }
  //  ent=1;
  printf("JG...multigraph entries =%d\n", ent);


  //  if (mg->GetListOfGraphs()->FindObject(o->GetTitle())==NULL){
  TGraphErrors *grexi=NULL;
  TList *glog= mg->GetListOfGraphs();
  if (glog!=NULL){grexi=(TGraphErrors*)glog->FindObject(o->GetName()) ;}

  printf("JG...TEST1 Graph name %s  ---------------\n", 
	 o->GetName() );
  if (grexi!=NULL){
    int col=grexi->GetLineColor();
    printf("JG...Graph name %s exists, color=%d doing nothing\n", o->GetName() ,  col );
    printf("%s\n","JG   removing");
    mg->RecursiveRemove(grexi);
    printf("%s\n","JG  adding");
    mg->Add(  (TGraphErrors*)o  , "PL"  )  ;
    o->SetLineColor(col);
    o->SetMarkerColor(col);
  }else{
    //    printf("TEST2 Graph name %s not yet in MG\n",o->GetName()  );
    if (autocolors==1){ // for new
      //      printf("setting autocolor %d\n",  ent);
      o->SetLineColor(ent+1);
      o->SetMarkerColor(ent+1);
    }else{
      //      printf("NO autocolor (graphs=%d)\n",  ent);
    }
    // char oname[100];
    // sprintf(oname,"%s",o->GetName());
    // printf("%s /%s/\n", "JG...  looking for duplicity", oname );

    // TObject *dupl=NULL;
    // if ( (o!=NULL)&&(mg->GetListOfGraphs()!=NULL)){ dupl=(TObject*)mg->GetListOfGraphs()->FindObject( oname ); }
    // printf("%s\n", "JG...  looking for duplicity" );
    // if (dupl!=NULL){
    //   printf("%s\n", "JG...    duplicite  found" );
    //   for (int i=0;i<mg->GetListOfGraphs()->GetEntries();i++){
    // 	if (mg->GetListOfGraphs()->At(i)==dupl){
    // 	  mg->GetListOfGraphs()->RemoveAt(i);
    // 	  break;
    // 	}
    //   }
    // }
    printf("%s\n", "JG...  adding the object" );
    mg->Add(  (TGraphErrors*)o  , "PL"  )  ;
  }//=========else NEW
  double ttmax=0.,ttmin=0.;
  for (int i=0;i<mg->GetListOfGraphs()->GetEntries();i++){
    printf("JG...  %d. %10s,  total=%d\n", i, 
	   mg->GetListOfGraphs()->At(i)->GetName(),mg->GetListOfGraphs()->GetEntries() );
    TGraphErrors *ge=(TGraphErrors*)mg->GetListOfGraphs()->At(i);
    int n = ge->GetN();
    double* x = ge->GetX();
    int locmin = TMath::LocMin(n,x);
    double tmin = x[locmin];
    int locmax = TMath::LocMax(n,x);
    double tmax = x[locmax];
    if (ttmin==ttmax){ttmax=tmax;ttmin=tmin;}
    //    printf("%f  -  %f\n", tmin, tmax);
    if (ttmax<tmax){ttmax=tmax;}
    if (ttmin>tmin){ttmin=tmin;}
    //    printf("%d. %s\n", i, mg->GetListOfGraphs()->At(i)->GetTitle() );
  }// for all graphs
  
  if (mg->GetXaxis()!=NULL){ // if not drawn, no possibility to change-refresh!
    mg->GetXaxis()->SetLimits(  ttmin,ttmax );
    mg->GetXaxis()->SetTimeDisplay(1);
    mg->GetXaxis()->SetTimeFormat("#splitline{%d.%m}{%H:%M}");
  }
  
    //    printf("Graph title %s added, exists=%d\n", o->GetTitle(), grexi );
    //  }else{
    //   mg->RecursiveRemove(  (TGraphErrors*)o  )  ;
    //  }
 }//graph found?

 //  gROOT->GetListOfSpecials()->Add(  gROOT->GetListOfSpecials()->FindObject( g1 )   );
 //// for (int i=0;i<imax;i++){  mg->Add( gg[i],"lp");  }

}////========== void joingraphsX(const char* myname, const char* g1 ){ ================
void AnalyzeWaveforms(char *WaveformsFile = "Waveforms.root", const int nAddedChannels = 5) {
	
	//try to access waveforms file and in case of failure return
	if(gSystem->AccessPathName(WaveformsFile,kFileExists)) {
		cout << "Error: file " << WaveformsFile << " does not exsist. Run .x WaveformsFileMaker.C to create it" << endl;
		return;
	}
	//	gStyle->SetOptFit(111);
	//	gStyle->SetStatFormat("1.3E");
	//	gStyle->SetFitFormat("1.3E");
	
	// fetch the list of trees contained in the waveforms file
	// for every tree generate a waveform graph

	TFile *f = TFile::Open(WaveformsFile);
	TList *listOfKeys = f->GetListOfKeys();
	Int_t numberOfKeys = listOfKeys->GetEntries();
	TList *listOfGraphs = new TList();
	
	// if the waveform file name begins with the string "comparator" it goes in this list
	TList *listOfCompWaves = new TList();
	// if the waveform file name begins with the string "sum output" it goes in this list
	TList *listOfAdderWaves = new TList();

	for(Int_t i = 0; i < numberOfKeys; i++) {
		TString *keyName = new TString(listOfKeys->At(i)->GetName());
		TTree *tree = (TTree*)f->Get(keyName->Data());
		Float_t x = 0;
		Float_t y = 0;
		tree->SetBranchAddress("x",&x);
		tree->SetBranchAddress("y",&y);
		Int_t nentries = tree->GetEntries();

		TString *gName = new TString(keyName->Data());
		gName->Append(" graph");
		TGraphErrors *gWave = new TGraphErrors(nentries);
		gWave->SetName(gName->Data());
		gWave->SetTitle(gName->Data());
		gWave->GetXaxis()->SetTitle("Time");
		gWave->GetYaxis()->SetTitle("Voltage");
	//	gWave->SetBit(TH1::kCanRebin);

		for (Int_t j = 0; j < nentries; j++) {
			tree->GetEntry(j);
			gWave->SetPoint(j,x,y);
		}

		listOfGraphs->Add(gWave);

		if(keyName->BeginsWith("comparator"))
			listOfCompWaves->Add(gWave);

		if(keyName->BeginsWith("sum output"))
			listOfAdderWaves->Add(gWave);

	/*	TString *cName = new TString(keyName->Data());
		cName->Append(" canvas");
		TCanvas *cy = new TCanvas(cName->Data(),cName->Data(),800,600);
		gWave->Draw("AL"); */
	}
	
	cout << listOfAdderWaves->GetEntries() << endl;

	// analysis for waves with no delay

	// global variables

	Double_t xMin,xMax,yStart,yEnd;
	Int_t graphPoints;
	Double_t step;

	// comparator outputs waves sum

	TGraphErrors *gFirstCompWave = (TGraphErrors *)listOfCompWaves->First();

	graphPoints = gFirstCompWave->GetN();
	gFirstCompWave->GetPoint(0,xMin,yStart);
	gFirstCompWave->GetPoint(graphPoints - 1,xMax,yEnd); 

	step = (xMax - xMin)/graphPoints;
	cout << gFirstCompWave->GetName() << endl;
	cout << "xMin = " << xMin << "  xMax = " << xMax << "  graphPoints = " << graphPoints << endl;

	TGraphErrors *gCompSum = new TGraphErrors(graphPoints);
	gCompSum->SetLineColor(kBlue);
	gCompSum->SetLineWidth(2);
	gCompSum->SetName("Comparator Outputs Sum");
	gCompSum->SetTitle("Comparator Outputs Sum");
	Int_t nCompWaves = listOfCompWaves->GetEntries();
	Float_t gx,gy = 0;
	
	// Alpha coefficiens are now written "hard coded" here
	Float_t alphaArray[3] = {0.199,0.201,0.197};
	
	// Deleays coming from the multiplexer are written "hard coded" here
	Float_t muxDelayArray[3] = {0,77.14E-12,192.01E-12};

	for(Int_t i = 0; i < graphPoints; i++) {
		for(Int_t j = 0; j < nCompWaves; j++) {
			TGraphErrors *gCompWave = (TGraphErrors *)listOfCompWaves->At(j);
			gy += (gCompWave->Eval(xMin + i*step + muxDelayArray[j]))*alphaArray[j];
		}
		gCompSum->SetPoint(i,xMin + i*step,gy);
		gy = 0;
	}
	
	// note that there is a manual correction on the x axis for the comparator waves sum to compare them better in the multigraph
	
	Double_t *xArray = gCompSum->GetX();
	for(Int_t i = 0; i < graphPoints; i++) {
		xArray[i] += 5.6E-9;
	}

//	TCanvas *cCompSum = new TCanvas("cCompSum","Comparator Outputs Sum",800,600);
//	gCompSum->Draw("AL");

	// adder outputs waves sum
	
	// THE ANALYSIS FOR THE ADDER OUTPUT WITH NOT DELAY AND 3 CHANNELS ADDED IS DEPRECATED.
	// THERE WAS A MISTAKE IN THE DATA TAKING
	// I'LL KEEP THE CODE HERE FOR FURTHER REFERENCE

/*
	TGraphErrors *gFirstAdderWave = (TGraphErrors *)listOfAdderWaves->First();

	graphPoints = gFirstAdderWave->GetN();
	gFirstAdderWave->GetPoint(0,xMin,yStart);
	gFirstAdderWave->GetPoint(graphPoints - 1,xMax,yEnd);

	step = (xMax - xMin)/graphPoints;
	cout << gFirstAdderWave->GetName() << endl;
	cout << "xMin : " << xMin << "  xMax : " << xMax << endl;

	TGraphErrors *gAdderSum = new TGraphErrors(graphPoints);
	gAdderSum->SetLineWidth(2);
//	gAdderSum->SetLineColor(kGreen);
	gAdderSum->SetLineStyle(9);
	gAdderSum->SetName("Sum of the adder outputs with no delay");
	gAdderSum->SetTitle("Sum of the adder outputs with no delay");
	Int_t nAdderWaves = listOfAdderWaves->GetEntries();
	gy = 0;

	for(Int_t i = 0; i < graphPoints; i++) {
		for(Int_t j = 0; j < nAdderWaves; j++) {
			TGraphErrors *gAdderWave = (TGraphErrors *)listOfAdderWaves->At(j);
			gy += gAdderWave->Eval(xMin + i*step);
		} 
		gAdderSum->SetPoint(i,xMin + i*step,gy);
		gy = 0;
	}

//	TCanvas *cAdderSum = new TCanvas("cAdderSum","Sum of the adder outputs",800,600);
//	gAdderSum->Draw("AL"); 
	
	TGraphErrors *g3ChannelsSumNoDelay = listOfGraphs->FindObject("sum_output_3_channels_(3) graph");
	g3ChannelsSumNoDelay->SetLineColor(kRed);
	g3ChannelsSumNoDelay->SetLineWidth(2);
	
	// note that there is a manual correction on the x axis for the adder output to compare it better in the multigraph
	
	Double_t *xArray = g3ChannelsSumNoDelay->GetX();
	graphPoints = g3ChannelsSumNoDelay->GetN();
	
	for(Int_t i = 0; i < graphPoints; i++) {
		xArray[i] -= 600E-12;
	}
	
	// comparison among the computed adder output ,the real one and the sum of the comparator outputs with alpha coefficients correction
	
	TMultiGraph *mgSumNoDelay = new TMultiGraph();
	mgSumNoDelay->Add(g3ChannelsSumNoDelay);
	mgSumNoDelay->Add(gAdderSum);
	mgSumNoDelay->Add(gCompSum);
	mgSumNoDelay->SetTitle("Collection of graphs for 3 channels sum with no delay");
	
	TCanvas *cmgSumNoDelay = new TCanvas("cmgSumNoDelay", "Collection of graphs for 3 channels sum with no delay", 1200,800);
	cmgSumNoDelay->Update();
	mgSumNoDelay->Draw("AL");
	
	legend = new TLegend(0.6,0.78,0.99,0.99);
	legend->AddEntry(g3ChannelsSumNoDelay, "Actual sum done by the adder", "lp");
	legend->AddEntry(gAdderSum, "Sum of the adder outputs", "lp");
	legend->AddEntry(gCompSum, "Sum of the comparator outputs","lp");
	legend->Draw();
	
	mgSumNoDelay->GetXaxis()->SetTitle("Seconds");
	mgSumNoDelay->GetYaxis()->SetTitle("Volts");
	TPaveText *title = (TPaveText*)cmgSumNoDelay->GetPrimitive("title");
	title->SetX1NDC(0.009);
	title->SetY1NDC(0.94);
	title->SetX2NDC(0.56);
	title->SetY2NDC(0.99);
	cmgSumNoDelay->Modified();
*/
	
	
	// analysis for delayed adder outputs
	
	Int_t nAdderWaves = listOfAdderWaves->GetEntries();

	TGraphErrors *g3ChannelsSumDelay = listOfGraphs->FindObject("sum_output_3_channels_(1-1-1) graph");
	g3ChannelsSumDelay->SetLineColor(kRed);
	g3ChannelsSumDelay->SetLineWidth(2);

	// Delay coming from cables are written "hard coded" here
	Float_t cablesDelayArray[3] = {0,1.45E-9,3.21E-9};
	
	graphPoints = g3ChannelsSumDelay->GetN();
	//g3ChannelsSumDelay->GetPoint(0,xMin,yStart);
	//g3ChannelsSumDelay->GetPoint(graphPoints - 1,xMax,yEnd);
	xMin = 6E-9;
	xMax = 16E-9;
	step = (xMax - xMin)/graphPoints;
	cout << "Sum of the adder outputs with delay" << endl;
	cout << "xMin : " << xMin << "  xMax : " << xMax << endl;

	TGraphErrors *gAdderSumDelay = new TGraphErrors(graphPoints);
	gAdderSumDelay->SetLineColor(kBlue);
	gAdderSumDelay->SetLineWidth(2);
	gAdderSumDelay->SetName("Sum of the adder outputs with delay");
	gAdderSumDelay->SetTitle("Sum of the adder outputs with delay");

	gy = 0;
	
	// note that there is a manual correction on the delay of 500E-12 to compare the adder output better in the multigraph

	for(Int_t i = 0; i < graphPoints; i++) {
		for(Int_t j = 0; j < nAdderWaves; j++) {
			TGraphErrors *gAdderWave = (TGraphErrors *)listOfAdderWaves->At(j);
			gy += gAdderWave->Eval(xMin + i*step + cablesDelayArray[j] - 500E-12);
		} 
		gAdderSumDelay->SetPoint(i,xMin + i*step,gy);
		gy = 0;
	}

	//	TCanvas *cSumSumDelay = new TCanvas("cSumSumDelay","Sum of the sum outputs with delay",800,600);
	//	gAdderSumDelay->Draw("APEL");

	TMultiGraph *mg3ChannelsSumDelay = new TMultiGraph();
	mg3ChannelsSumDelay->Add(gAdderSumDelay);
	mg3ChannelsSumDelay->Add(g3ChannelsSumDelay);
	mg3ChannelsSumDelay->SetTitle("Collection of graphs for 3 channels sum with delay");

	TCanvas *cmg3ChannelsSumDelay = new TCanvas("cmg3ChannelsSumDelay", "Collection of graphs for 3 channels sum with delay", 1200, 800);
	cmg3ChannelsSumDelay->Update();
	
	legend = new TLegend(0.6,0.78,0.99,0.99);
	legend->AddEntry(g3ChannelsSumDelay, "Actual sum done by the adder", "lp");
	legend->AddEntry(gAdderSumDelay, "Sum of the delayed adder outputs", "lp");
	mg3ChannelsSumDelay->Draw("AL");
	legend->Draw();
	
	mg3ChannelsSumDelay->GetXaxis()->SetTitle("Seconds");
	mg3ChannelsSumDelay->GetYaxis()->SetTitle("Volts");
	
	TPaveText *title = (TPaveText*)cmg3ChannelsSumDelay->GetPrimitive("title");
	title->SetX1NDC(0.009);
	title->SetY1NDC(0.94);
	title->SetX2NDC(0.56);
	title->SetY2NDC(0.99);
	
	cmg3ChannelsSumDelay->Modified();

/*
	// delay test just to try a different method

	TMultiGraph *mgDelayTest = new TMultiGraph();
	Double_t gxTest,gyTest;

	TGraphErrors *gDelayTest0 = new TGraphErrors(((TGraphErrors *)listOfAdderWaves->At(0))->GetN());
	for(Int_t j = 0; j < gDelayTest0->GetN(); j++) {
		((TGraphErrors *)listOfAdderWaves->At(0))->GetPoint(j,gxTest,gyTest);
		gDelayTest0->SetPoint(j,gxTest - cablesDelayArray[0],gyTest);
	}
	mgDelayTest->Add(gDelayTest0);

	TGraphErrors *gDelayTest1 = new TGraphErrors(((TGraphErrors *)listOfAdderWaves->At(1))->GetN());
	for(Int_t j = 0; j < gDelayTest1->GetN(); j++) {
		((TGraphErrors *)listOfAdderWaves->At(1))->GetPoint(j,gxTest,gyTest);
		gDelayTest1->SetPoint(j,gxTest - cablesDelayArray[1],gyTest);
	}
	mgDelayTest->Add(gDelayTest1);

	TGraphErrors *gDelayTest2 = new TGraphErrors(((TGraphErrors *)listOfAdderWaves->At(2))->GetN());
	for(Int_t j = 0; j < gDelayTest2->GetN(); j++) {
		((TGraphErrors *)listOfAdderWaves->At(2))->GetPoint(j,gxTest,gyTest);
		gDelayTest2->SetPoint(j,gxTest - cablesDelayArray[2],gyTest);
	}
	mgDelayTest->Add(gDelayTest2);

//	TCanvas *cmgDelayTest = new TCanvas("cmgDelayTest", "cmgDelayTest", 800,600);
//	mgDelayTest->Draw("APEL");

	graphPoints = 12000;
	xMin = 2E-9;
	xMax = 22E-9;
	step = (xMax - xMin)/graphPoints;
	cout << "xMin : " << xMin << "  xMax : " << xMax << endl;

	Double_t delayTest0xMin,delayTest0xMax,delayTest1xMin,delayTest1xMax,delayTest2xMin,delayTest2xMax;
	gDelayTest0->GetPoint(0,delayTest0xMin,gyTest);
	gDelayTest0->GetPoint(gDelayTest0->GetN() - 1,delayTest0xMax,gyTest);
	gDelayTest1->GetPoint(0,delayTest1xMin,gyTest);
	gDelayTest1->GetPoint(gDelayTest1->GetN() - 1,delayTest1xMax,gyTest);
	gDelayTest2->GetPoint(0,delayTest2xMin,gyTest);
	gDelayTest2->GetPoint(gDelayTest2->GetN() - 1,delayTest2xMax,gyTest);

	cout << delayTest0xMin << endl;

	TGraphErrors *gAdderSumDelayV2 = new TGraphErrors(graphPoints);
	for(Int_t i = 0; i < graphPoints; i++) {
		gyTest = gDelayTest0->Eval(xMin + i*step);
		gyTest += gDelayTest1->Eval(xMin + i*step);
		gyTest += gDelayTest2->Eval(xMin + i*step);
		gAdderSumDelayV2->SetPoint(i,xMin + i*step+ 500E-12,gyTest);
	} 
	
	gAdderSumDelayV2->SetLineColor(kGreen);
	gAdderSumDelayV2->SetLineWidth(2);
	mg3ChannelsSumDelay->Add(gAdderSumDelayV2);
	c3ChannelsSumDelay->Modified();

	TCanvas *cAdderSumDelayV2 = new TCanvas("cAdderSumDelayV2","cAdderSumDelayV2",800,600);
	gAdderSumDelayV2->Draw("APL");
*/

	// List of waves representing the adder output with 5,4,3,2,1 channels in input

	TGraphErrors *gAdder5Channels = listOfGraphs->FindObject("adder output 5 channels v2 graph");
	TGraphErrors *gAdder4Channels = listOfGraphs->FindObject("adder output 4 channels v2 graph");
	TGraphErrors *gAdder3Channels = listOfGraphs->FindObject("adder output 3 channels v2 graph");
	TGraphErrors *gAdder2Channels = listOfGraphs->FindObject("adder output 2 channels v2 graph");
	TGraphErrors *gAdder1Channel = listOfGraphs->FindObject("adder output 1 channel v2 graph");
	
	TGraphErrors *gAdderSingleCh0 = listOfGraphs->FindObject("single sum output ch 0 input 500 mV DT 100 mV graph");
	TGraphErrors *gAdderSingleCh1 = listOfGraphs->FindObject("single sum output ch 1 input 500 mV DT 100 mV graph");
	TGraphErrors *gAdderSingleCh4 = listOfGraphs->FindObject("single sum output ch 4 input 500 mV DT 100 mV graph");
	TGraphErrors *gAdderSingleCh5 = listOfGraphs->FindObject("single sum output ch 5 input 500 mV DT 100 mV graph");
	TGraphErrors *gAdderSingleCh7 = listOfGraphs->FindObject("single sum output ch 7 input 500 mV DT 100 mV graph");
	
	TMultiGraph *mgAdder54321Channels = new TMultiGraph();
	mgAdder54321Channels->SetTitle("Collection of graphs for different numbers of added channels");
	mgAdder54321Channels->Add(gAdder5Channels);
	mgAdder54321Channels->Add(gAdder4Channels);
	mgAdder54321Channels->Add(gAdder3Channels);
	mgAdder54321Channels->Add(gAdder2Channels);
	mgAdder54321Channels->Add(gAdder1Channel);
	
	TCanvas *cmgAdder54321Channels = new TCanvas("cmgAdder54321Channels", "Collection of graphs for different numbers of added channels",1200,800);
	mgAdder54321Channels->Draw("AL");
	cmgAdder54321Channels->Update();
	mgAdder54321Channels->GetXaxis()->SetTitle("seconds");
	mgAdder54321Channels->GetYaxis()->SetTitle("Volts");	
	cmgAdder54321Channels->Modified();
	
	// analysis of the linearity of the adder
	
	Double_t addedVMax[nAddedChannels];
	addedVMax[0] = TMath::MaxElement(gAdder1Channel->GetN(), gAdder1Channel->GetY());
	addedVMax[1] = TMath::MaxElement(gAdder2Channels->GetN(), gAdder2Channels->GetY());
	addedVMax[2] = TMath::MaxElement(gAdder3Channels->GetN(), gAdder3Channels->GetY());
	addedVMax[3] = TMath::MaxElement(gAdder4Channels->GetN(), gAdder4Channels->GetY());
	addedVMax[4] = TMath::MaxElement(gAdder5Channels->GetN(), gAdder5Channels->GetY());
	
	Double_t singleVMax[nAddedChannels];
	singleVMax[0] = TMath::MaxElement(gAdderSingleCh0->GetN(), gAdderSingleCh0->GetY());
	singleVMax[1] = TMath::MaxElement(gAdderSingleCh1->GetN(), gAdderSingleCh1->GetY());
	singleVMax[2] = TMath::MaxElement(gAdderSingleCh4->GetN(), gAdderSingleCh4->GetY());
	singleVMax[3] = TMath::MaxElement(gAdderSingleCh5->GetN(), gAdderSingleCh5->GetY());
	singleVMax[4] = TMath::MaxElement(gAdderSingleCh7->GetN(), gAdderSingleCh7->GetY());
	
	vector<double> expectedVMax(nAddedChannels);
	Double_t previousVmax = 0;
	for(Int_t i = 0; i < expectedVMax.size(); i++) {
		expectedVMax[i] = singleVMax[i] + previousVmax;
		previousVmax = expectedVMax[i];
		cout << "singleVMax[" <<i <<"] = " << singleVMax[i] <<  endl;
		cout << "addedVMax[" <<i <<"] = " << addedVMax[i] <<  endl;
		cout << "expectedVMax[" <<i <<"] = " << expectedVMax[i] <<  endl;
	}
	
	TGraph *gAdderLinearity = new TGraph(expectedVMax.size(),&expectedVMax[0],addedVMax);
	gAdderLinearity->SetTitle("Linearity of the adder");
	gAdderLinearity->GetXaxis()->SetTitle("Expected amplitude value (V)");
	gAdderLinearity->GetYaxis()->SetTitle("Actual amplitude value (V)");
	gAdderLinearity->GetYaxis()->SetTitleOffset(1.3);
	
	TCanvas *cgAdderLinearity = new TCanvas("cgAdderLinearity","Linearity of the adder",800,600);
	cgAdderLinearity->SetGrid();
	cgAdderLinearity->Update();
	gAdderLinearity->SetMarkerStyle(20);
	gAdderLinearity->SetMarkerSize(0.8);
	//gAdderLinearity->Fit("pol1","Q+","",expectedVMax[0],expectedVMax[2]);
	TF1 *line = new TF1("line","x",expectedVMax.back(),expectedVMax.front());
	gAdderLinearity->Draw("APEL");
	line->Draw("SAME");
	//gAdderLinearity->GetFunction("pol1")->SetRange(expectedVMax.back(),expectedVMax.front());;
	cgAdderLinearity->SetLeftMargin(0.13);
	cgAdderLinearity->Modified();
	
	f->Close();


}