/data/refman/pasoursint/CMSSW_6_1_2_SLHC2/src/CalibCalorimetry/EcalLaserAnalyzer/plugins/EcalABAnalyzer.cc

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/* 
 *  \class EcalABAnalyzer
 *
 *  $Date: 2012/02/09 10:07:36 $
 *  primary author: Julie Malcles - CEA/Saclay
 *  author: Gautier Hamel De Monchenault - CEA/Saclay
 */

#include <TAxis.h>
#include <TH1.h>
#include <TProfile.h>
#include <TTree.h>
#include <TChain.h>
#include <TFile.h>
#include <TMath.h>

#include "CalibCalorimetry/EcalLaserAnalyzer/plugins/EcalABAnalyzer.h"

#include <sstream>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>

#include <FWCore/MessageLogger/interface/MessageLogger.h>
#include <FWCore/Utilities/interface/Exception.h>

#include <FWCore/Framework/interface/ESHandle.h>
#include <FWCore/Framework/interface/EventSetup.h>

#include <Geometry/EcalMapping/interface/EcalElectronicsMapping.h>
#include <Geometry/EcalMapping/interface/EcalMappingRcd.h>

#include <FWCore/Framework/interface/Event.h>
#include <FWCore/Framework/interface/MakerMacros.h>
#include <FWCore/ParameterSet/interface/ParameterSet.h>
#include <DataFormats/EcalDigi/interface/EcalDigiCollections.h>
#include <DataFormats/EcalDetId/interface/EcalElectronicsId.h>
#include <DataFormats/EcalDetId/interface/EcalDetIdCollections.h>
#include <DataFormats/EcalRawData/interface/EcalRawDataCollections.h>

#include <CalibCalorimetry/EcalLaserAnalyzer/interface/TShapeAnalysis.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/TMom.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/TAPD.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/TAPDPulse.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/PulseFitWithFunction.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/ME.h>
#include <CalibCalorimetry/EcalLaserAnalyzer/interface/MEGeom.h>

using namespace std;


//========================================================================
EcalABAnalyzer::EcalABAnalyzer(const edm::ParameterSet& iConfig)
//========================================================================
  :
iEvent(0),

// framework parameters with default values
_nsamples(        iConfig.getUntrackedParameter< unsigned int >( "nSamples",           10 ) ),
_presample(       iConfig.getUntrackedParameter< unsigned int >( "nPresamples",         2 ) ),
_firstsample(     iConfig.getUntrackedParameter< unsigned int >( "firstSample",         1 ) ),
_lastsample(      iConfig.getUntrackedParameter< unsigned int >( "lastSample",          2 ) ),
_timingcutlow(    iConfig.getUntrackedParameter< unsigned int >( "timingCutLow",        2 ) ),
_timingcuthigh(   iConfig.getUntrackedParameter< unsigned int >( "timingCutHigh",       9 ) ),
_timingquallow(   iConfig.getUntrackedParameter< unsigned int >( "timingQualLow",       3 ) ),
_timingqualhigh(  iConfig.getUntrackedParameter< unsigned int >( "timingQualHigh",      8 ) ),
_ratiomincutlow(  iConfig.getUntrackedParameter< double       >( "ratioMinCutLow",    0.4 ) ),
_ratiomincuthigh( iConfig.getUntrackedParameter< double       >( "ratioMinCutHigh",  0.95 ) ),
_ratiomaxcutlow(  iConfig.getUntrackedParameter< double       >( "ratioMaxCutLow",    0.8 ) ),
_presamplecut(    iConfig.getUntrackedParameter< double       >( "presampleCut",      5.0 ) ),
_niter(           iConfig.getUntrackedParameter< unsigned int >( "nIter",               3 ) ),
_alpha(           iConfig.getUntrackedParameter< double       >( "alpha",       1.5076494 ) ),
_beta(            iConfig.getUntrackedParameter< double       >( "beta",        1.5136036 ) ),
_nevtmax(         iConfig.getUntrackedParameter< unsigned int >( "nEvtMax",           200 ) ),
_noise(           iConfig.getUntrackedParameter< double       >( "noise",             2.0 ) ),
_chi2cut(         iConfig.getUntrackedParameter< double       >( "chi2cut",         100.0 ) ), 
_ecalPart(        iConfig.getUntrackedParameter< std::string  >( "ecalPart",         "EB" ) ),
_qualpercent(     iConfig.getUntrackedParameter< double       >( "qualPercent",       0.2 ) ), 
_debug(           iConfig.getUntrackedParameter< int          >( "debug",              0  ) ), 
nCrys(                                                                               NCRYSEB),
runType(-1), runNum(0), fedID(-1), dccID(-1), side(2), lightside(2), iZ(1),
phi(-1), eta(-1), event(0), color(-1), channelIteratorEE(0)

  //========================================================================

{


  // Initialization from cfg file

  resdir_                 = iConfig.getUntrackedParameter<std::string>("resDir");

  digiCollection_         = iConfig.getParameter<std::string>("digiCollection");
  digiProducer_           = iConfig.getParameter<std::string>("digiProducer");

  eventHeaderCollection_  = iConfig.getParameter<std::string>("eventHeaderCollection");
  eventHeaderProducer_    = iConfig.getParameter<std::string>("eventHeaderProducer");



  // Geometrical constants initialization 


  if (_ecalPart == "EB") {
    nCrys    = NCRYSEB;
  } else {
    nCrys    = NCRYSEE;
  }
  iZ         =  1;
  if(_fedid <= 609 ) 
    iZ       = -1;
  
  for(unsigned int j=0;j<nCrys;j++){
    iEta[j]=-1;
    iPhi[j]=-1;
    iTowerID[j]=-1;
    iChannelID[j]=-1;
    idccID[j]=-1;
    iside[j]=-1;
    wasTimingOK[j]=true;
    wasGainOK[j]=true; 
    nevtAB[j]=0 ;
  }
  
  // Quality check flags
  
  isGainOK=true;
  isTimingOK=true;

  // Objects dealing with pulses

  APDPulse = new TAPDPulse(_nsamples, _presample, _firstsample, _lastsample, 
                           _timingcutlow, _timingcuthigh, _timingquallow, _timingqualhigh,
                           _ratiomincutlow,_ratiomincuthigh, _ratiomaxcutlow);


  // Objects needed for npresample calculation

  Delta01=new TMom();
  Delta12=new TMom();
  _fitab=true;

}

//========================================================================
EcalABAnalyzer::~EcalABAnalyzer(){
  //========================================================================


  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)

}



//========================================================================
void EcalABAnalyzer::beginJob() {
  //========================================================================

  
  //Calculate alpha and beta


  // Define output results filenames and shape analyzer object (alpha,beta) 
  //=====================================================================
  
  // 1) AlphaBeta files
  
  doesABTreeExist=true;
  
  std::stringstream nameabinitfile;
  nameabinitfile << resdir_ <<"/ABInit.root";
  alphainitfile=nameabinitfile.str();
  
  std::stringstream nameabfile;  
  std::stringstream link;  
  nameabfile << resdir_ <<"/AB.root";
  
  FILE *test;
  test = fopen(nameabinitfile.str().c_str(),"r"); 
  if(test == NULL) {
    doesABTreeExist=false;
    _fitab=true;
  };
  delete test;

  
  TFile *fAB=0; TTree *ABInit=0;
  if(doesABTreeExist){
    fAB=new TFile(nameabinitfile.str().c_str());
  }
  if(doesABTreeExist && fAB){
    ABInit = (TTree*) fAB->Get("ABCol0");
  }
  
  // 2) Shape analyzer
  
  if(doesABTreeExist && fAB && ABInit && ABInit->GetEntries()!=0){
    shapana= new TShapeAnalysis(ABInit, _alpha, _beta, 5.5, 1.0);
    doesABTreeExist=true;
  }else{
    shapana= new TShapeAnalysis(_alpha, _beta, 5.5, 1.0);
    doesABTreeExist=false;
    _fitab=true;  
  }  
  shapana -> set_const(_nsamples,_firstsample,_lastsample,
                       _presample, _nevtmax, _noise, _chi2cut);
  
  if(doesABTreeExist && fAB ) fAB->Close();
  
  if(_fitab){
    alphafile=nameabfile.str();
  }else{
    alphafile=alphainitfile;
    link<< "ln -s "<<resdir_<<"/ABInit.root "<< resdir_<<"/AB.root";  
    system(link.str().c_str());
  }

  // Define output results files' names
  
  std::stringstream namefile;
  namefile << resdir_ <<"/AB.root";
  alphafile=namefile.str(); 

}

//========================================================================
void EcalABAnalyzer:: analyze( const edm::Event & e, const  edm::EventSetup& c){
//========================================================================

  ++iEvent;
  
  // retrieving DCC header
  edm::Handle<EcalRawDataCollection> pDCCHeader;
  const  EcalRawDataCollection* DCCHeader=0;
  try {
    e.getByLabel(eventHeaderProducer_,eventHeaderCollection_, pDCCHeader);
    DCCHeader=pDCCHeader.product();
  }catch ( std::exception& ex ) {
    std::cerr << "Error! can't get the product retrieving DCC header" << eventHeaderCollection_.c_str() <<" "<< eventHeaderProducer_.c_str() << std::endl;
  }
  
  //retrieving crystal data from Event
  edm::Handle<EBDigiCollection>  pEBDigi;
  const  EBDigiCollection* EBDigi=0;
  edm::Handle<EEDigiCollection>  pEEDigi;
  const  EEDigiCollection* EEDigi=0;
  if (_ecalPart == "EB") {
    try {
      e.getByLabel(digiProducer_,digiCollection_, pEBDigi); 
      EBDigi=pEBDigi.product(); 
    }catch ( std::exception& ex ) {
      std::cerr << "Error! can't get the product retrieving EB crystal data " << digiCollection_.c_str() << std::endl;
    } 
  } else if (_ecalPart == "EE") {
    try {
      e.getByLabel(digiProducer_,digiCollection_, pEEDigi); 
      EEDigi=pEEDigi.product(); 
    }catch ( std::exception& ex ) {
      std::cerr << "Error! can't get the product retrieving EE crystal data " << digiCollection_.c_str() << std::endl;
    } 
  } else {
    std::cout <<" Wrong ecalPart in cfg file " << std::endl;
    return;
  }

  // retrieving electronics mapping
  edm::ESHandle< EcalElectronicsMapping > ecalmapping;
  const EcalElectronicsMapping* TheMapping=0; 
  try{
    c.get< EcalMappingRcd >().get(ecalmapping);
    TheMapping = ecalmapping.product();
  }catch ( std::exception& ex ) {
    std::cerr << "Error! can't get the product EcalMappingRcd"<< std::endl;
  }

  // =============================
  // Decode DCCHeader Information 
  // =============================
  

  for ( EcalRawDataCollection::const_iterator headerItr= DCCHeader->begin();headerItr != DCCHeader->end(); 
        ++headerItr ) {
    
    // Get run type and run number 

    int fed = headerItr->fedId();  
    if(fed!=_fedid && _fedid!=-999) continue; 
    
    runType=headerItr->getRunType();
    runNum=headerItr->getRunNumber();
    event=headerItr->getLV1();

    dccID=headerItr->getDccInTCCCommand();
    fedID=headerItr->fedId();  
    lightside=headerItr->getRtHalf();

    // Check fed corresponds to the DCC in TCC
    
    if( 600+dccID != fedID ) continue;

    // Cut on runType

    if(runType!=EcalDCCHeaderBlock::LASER_STD 
       && runType!=EcalDCCHeaderBlock::LASER_GAP 
       && runType!=EcalDCCHeaderBlock::LASER_POWER_SCAN 
       && runType!=EcalDCCHeaderBlock::LASER_DELAY_SCAN ) return; 
    
    // Retrieve laser color and event number
    
    EcalDCCHeaderBlock::EcalDCCEventSettings settings = headerItr->getEventSettings();
    color = settings.wavelength;
    if( color <0 ) return;

    std::vector<int>::iterator iter = find( colors.begin(), colors.end(), color );
    if( iter==colors.end() ){
      colors.push_back( color );
    }
  }
  

  // Cut on fedID

  if(fedID!=_fedid && _fedid!=-999) return; 
  

  // ===========================
  // Decode EBDigis Information
  // ===========================
  
  int  adcGain=0;
  
  if (EBDigi){
    
    // Loop on crystals
    //=================== 

    for ( EBDigiCollection::const_iterator digiItr= EBDigi->begin(); digiItr != EBDigi->end(); ++digiItr ) {  // Loop on crystals
      
      // Retrieve geometry
      //=================== 

      EBDetId id_crystal(digiItr->id()) ;
      EBDataFrame df( *digiItr );

      int etaG = id_crystal.ieta() ;  // global
      int phiG = id_crystal.iphi() ;  // global

      int etaL ;  // local
      int phiL ;  // local
      std::pair<int, int> LocalCoord=MEEBGeom::localCoord( etaG , phiG );
      
      etaL=LocalCoord.first ;
      phiL=LocalCoord.second ;
      
      eta = etaG;
      phi = phiG;

      side=MEEBGeom::side(etaG,phiG);
   
      // Recover the TT id and the electronic crystal numbering from EcalElectronicsMapping

      EcalElectronicsId elecid_crystal = TheMapping->getElectronicsId(id_crystal);

      int towerID=elecid_crystal.towerId();
      int strip=elecid_crystal.stripId();
      int xtal=elecid_crystal.xtalId();
      int channelID=  5*(strip-1) + xtal-1; 
      
      unsigned int channel=MEEBGeom::electronic_channel( etaL, phiL );

      assert( channel < nCrys );
      
      iEta[channel]=eta;
      iPhi[channel]=phi;   
      iTowerID[channel]=towerID;
      iChannelID[channel]=channelID;
      idccID[channel]=dccID;
      iside[channel]=side;

      // APD Pulse
      //=========== 
      
      // Loop on adc samples 
      
      for (unsigned int i=0; i< (*digiItr).size() ; ++i ) {   

        EcalMGPASample samp_crystal(df.sample(i));
        adc[i]=samp_crystal.adc() ;    
        adcG[i]=samp_crystal.gainId();   
        adc[i]*=adcG[i];
        if (i==0) adcGain=adcG[i];
        if (i>0) adcGain=TMath::Max(adcG[i],adcGain);  
      }

      APDPulse->setPulse(adc);
      

      // Quality checks
      //================
      
      if(adcGain!=1) nEvtBadGain[channel]++;   
      if(!APDPulse->isTimingQualOK()) nEvtBadTiming[channel]++;
      nEvtTot[channel]++;


      // Fill if Pulse is fine
      //=======================
      
      if( APDPulse->isPulseOK() && lightside==side){
        
        Delta01->addEntry(APDPulse->getDelta(0,1));
        Delta12->addEntry(APDPulse->getDelta(1,2));
        
        if( nevtAB[channel] < _nevtmax && _fitab ){
          if(doesABTreeExist)  shapana -> putAllVals(channel, adc, eta, phi);   
          else shapana -> putAllVals(channel, adc, eta, phi, dccID, side, towerID, channelID);
          nevtAB[channel]++ ;
        }
      }
    }
    
  } else if (EEDigi) {
    
    // Loop on crystals
    //===================

    for ( EEDigiCollection::const_iterator digiItr= EEDigi->begin(); digiItr != EEDigi->end(); ++digiItr ) {  // Loop on crystals
      
      // Retrieve geometry
      //=================== 

      EEDetId id_crystal(digiItr->id()) ;
      EEDataFrame df( *digiItr );
      
      phi = id_crystal.ix() ; 
      eta = id_crystal.iy() ; 

      int iX = (phi-1)/5+1;
      int iY = (eta-1)/5+1;
  
      side=MEEEGeom::side( iX, iY ,iZ);       
      EcalElectronicsId elecid_crystal = TheMapping->getElectronicsId(id_crystal);
      
      int towerID=elecid_crystal.towerId();
      int channelID=elecid_crystal.channelId()-1;  
      
      int hashedIndex=100000*eta+phi;
      
      if( channelMapEE.count(hashedIndex) == 0 ){
        channelMapEE[hashedIndex]=channelIteratorEE;
        channelIteratorEE++;
      }
      
      unsigned int channel=channelMapEE[hashedIndex];
     
      assert ( channel < nCrys );

      iEta[channel]=eta;
      iPhi[channel]=phi;
      iTowerID[channel]=towerID;
      iChannelID[channel]=channelID;
      idccID[channel]=dccID;
      iside[channel]=side;

      // APD Pulse
      //=========== 

      if( (*digiItr).size()>10) std::cout <<"SAMPLES SIZE > 10!" <<  (*digiItr).size()<< std::endl;
 
      // Loop on adc samples  

      for (unsigned int i=0; i< (*digiItr).size() ; ++i ) { 

        EcalMGPASample samp_crystal(df.sample(i));
        adc[i]=samp_crystal.adc() ;    
        adcG[i]=samp_crystal.gainId();   
        adc[i]*=adcG[i];
        
        if (i==0) adcGain=adcG[i];
        if (i>0) adcGain=TMath::Max(adcG[i],adcGain);  
      }
      
      APDPulse->setPulse(adc);

      // Quality checks
      //================
      
      if(adcGain!=1) nEvtBadGain[channel]++;   
      if(!APDPulse->isTimingQualOK()) nEvtBadTiming[channel]++;
      nEvtTot[channel]++;
      
      // Fill if Pulse is fine
      //=======================
      
      if( APDPulse->isPulseOK() && lightside==side){
        
        Delta01->addEntry(APDPulse->getDelta(0,1));
        Delta12->addEntry(APDPulse->getDelta(1,2));
        
        if( nevtAB[channel] < _nevtmax && _fitab ){
          if(doesABTreeExist)  shapana -> putAllVals(channel, adc, eta, phi);   
          else shapana -> putAllVals(channel, adc, eta, phi, dccID, side, towerID, channelID);  
          nevtAB[channel]++ ;
        }
      }
    }
  }
}// analyze


//========================================================================
void EcalABAnalyzer::endJob() {
//========================================================================

  std::cout <<  "\n\t+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+" << std::endl;
  std::cout <<   "\t+=+     Analyzing data: getting (alpha, beta)     +=+" << std::endl;

  // Adjust channel numbers for EE 
  //===============================

  if( _ecalPart == "EE" ) {
    nCrys=channelMapEE.size();
    shapana->set_nch(nCrys);
  }
    

  // Set presamples number 
  //======================
  
  double delta01=Delta01->getMean();
  double delta12=Delta12->getMean();
  if(delta12>_presamplecut) {
    _presample=2;
    if(delta01>_presamplecut) _presample=1;
  }
  
  APDPulse->setPresamples(_presample);
  shapana->set_presample(_presample);

  //  Get alpha and beta
  //======================

  if(_fitab){
    std::cout <<  "\n\t+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+" << std::endl;
    std::cout <<   "\t+=+     Analyzing data: getting (alpha, beta)     +=+" << std::endl;
    TFile *fAB=0; TTree *ABInit=0;
    if(doesABTreeExist){
      fAB=new TFile(alphainitfile.c_str());
    }
    if(doesABTreeExist && fAB){
      ABInit = (TTree*) fAB->Get("ABCol0");
    } 
    shapana->computeShape(alphafile, ABInit);

  // Set quality flags for gains and timing

  double BadGainEvtPercentage=0.0;
  double BadTimingEvtPercentage=0.0;
  
  int nChanBadGain=0;
  int nChanBadTiming=0;
  
  for (unsigned int i=0;i<nCrys;i++){
    if(nEvtTot[i]!=0){
      BadGainEvtPercentage=double(nEvtBadGain[i])/double(nEvtTot[i]);
      BadTimingEvtPercentage=double(nEvtBadTiming[i])/double(nEvtTot[i]);
    }
    if(BadGainEvtPercentage>_qualpercent) {
      wasGainOK[i]=false;
      nChanBadGain++;
    }
    if(BadTimingEvtPercentage>_qualpercent){
      wasTimingOK[i]=false;
      nChanBadTiming++;
    }
  }
  
  double BadGainChanPercentage=double(nChanBadGain)/double(nCrys);
  double BadTimingChanPercentage=double(nChanBadTiming)/double(nCrys);
  
  if(BadGainChanPercentage>_qualpercent) isGainOK = false;
  if(BadTimingChanPercentage>_qualpercent) isTimingOK = false;

  
  if( !isGainOK )
  std::cout <<    "\t+=+ ............................ WARNING! APD GAIN WAS NOT 1    +=+" << std::endl;
  if( !isTimingOK )
  std::cout <<    "\t+=+ ............................ WARNING! TIMING WAS BAD        +=+" << std::endl;

  std::cout <<    "\t+=+    .................................... done  +=+" << std::endl;
  std::cout <<    "\t+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+" << std::endl;
  }
  

}

DEFINE_FWK_MODULE(EcalABAnalyzer);