/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/DQM/DTMonitorModule/src/DTLocalTriggerLutTask.cc

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/*
 * \file DTLocalLutTriggerTask.cc
 * 
 * $Date: 2011/06/10 13:23:26 $
 * $Revision: 1.1 $
 * \author D. Fasanella - INFN Bologna
 *
 */

#include "DQM/DTMonitorModule/src/DTLocalTriggerLutTask.h"

// Framework
#include "FWCore/Framework/interface/EventSetup.h"

// DT trigger
#include "DataFormats/L1DTTrackFinder/interface/L1MuDTChambPhContainer.h"
#include "DQM/DTMonitorModule/interface/DTTrigGeomUtils.h"

// Geometry
#include "DataFormats/GeometryVector/interface/Pi.h"
#include "Geometry/Records/interface/MuonGeometryRecord.h"
#include "Geometry/DTGeometry/interface/DTGeometry.h"
#include "Geometry/DTGeometry/interface/DTLayer.h"
#include "Geometry/DTGeometry/interface/DTTopology.h"

//Root
#include"TH1.h"
#include"TAxis.h"

#include <sstream>
#include <iostream>
#include <math.h>


using namespace edm;
using namespace std;

DTLocalTriggerLutTask::DTLocalTriggerLutTask(const edm::ParameterSet& ps) : trigGeomUtils(0) {
        
  LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: Constructor"<<endl;
        
  dccInputTag  = ps.getUntrackedParameter<InputTag>("inputTagDCC");
  segInputTag  = ps.getUntrackedParameter<InputTag>("inputTagSEG");

  overUnderIn      = ps.getUntrackedParameter<bool>("rebinOutFlowsInGraph");
  detailedAnalysis = ps.getUntrackedParameter<bool>("detailedAnalysis");
  theGeomLabel     = ps.getUntrackedParameter<string>("geomLabel");
  
  if (detailedAnalysis){
    nPhiBins  = 401;
    rangePhi  = 10.025;
    nPhibBins = 401;
    rangePhiB = 10.025;
  } else {
    nPhiBins  = 51;
    rangePhi  = 5.1;
    nPhibBins = 51;
    rangePhiB = 10.2;
  }
  
  baseFolder = "DT/03-LocalTrigger-DCC/";
  parameters = ps;
  dbe = edm::Service<DQMStore>().operator->();  
        
}


DTLocalTriggerLutTask::~DTLocalTriggerLutTask() {
  
  LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: analyzed " << nEvents << " events" << endl;
  if (trigGeomUtils) { delete trigGeomUtils; }
        
}


void DTLocalTriggerLutTask::beginJob(){
        
  LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: BeginJob" << endl;
  nEvents = 0;
  nLumis  = 0;
        
}

void DTLocalTriggerLutTask::bookHistos(DTChamberId chId) {

  stringstream wheel; wheel << chId.wheel();    
  stringstream sector; sector << chId.sector();
  stringstream station; station << chId.station();      

  dbe->setCurrentFolder(topFolder() + "Wheel" + wheel.str() + "/Sector" + sector.str() +
                        "/Station" + station.str() + "/Segment");
  
  string chTag = "_W" + wheel.str() + "_Sec" + sector.str() + "_St" + station.str();
  std::map<std::string, MonitorElement*> &chambMap = chHistos[chId.rawId()];

  string hName = "DCC_PhiResidual";
  chambMap[hName] = dbe->book1D(hName+chTag,"Trigger local position - Segment local position (correlated triggers)",nPhiBins,-rangePhi,rangePhi); 
  hName = "DCC_PhibResidual";
  chambMap[hName] =dbe->book1D(hName+chTag,"Trigger local direction - Segment local direction (correlated triggers)",nPhibBins,-rangePhiB,rangePhiB);

  if (detailedAnalysis) {

    hName = "DCC_PhitkvsPhitrig";
    chambMap[hName] = dbe->book2D(hName+chTag,"Local position: segment vs trigger",100,-500.,500.,100,-500.,500.);    
    hName = "DCC_PhibtkvsPhibtrig";
    chambMap[hName] =dbe->book2D(hName+chTag,"Local direction : segment vs trigger",200,-40.,40.,200,-40.,40.);
    hName = "DCC_PhibResidualvsTkPos";
    chambMap[hName] =dbe->book2D(hName+chTag,"Local direction residual vs Segment Position",100,-500.,500.,200,-10.,10.);
    hName = "DCC_PhiResidualvsTkPos";
    chambMap[hName] =dbe->book2D(hName+chTag,"Local Position residual vs Segment Position",100,-500.,500.,200,-10.,10.);

  }

}

  

void DTLocalTriggerLutTask::beginRun(const edm::Run& run, const edm::EventSetup& context) {
        
  LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: BeginRun" << endl;   
        
  context.get<MuonGeometryRecord>().get(theGeomLabel,muonGeom);
  trigGeomUtils = new DTTrigGeomUtils(muonGeom);
        
  std::vector<DTChamber*>::const_iterator chambIt  = muonGeom->chambers().begin();
  std::vector<DTChamber*>::const_iterator chambEnd = muonGeom->chambers().end();
  
  for (; chambIt!=chambEnd; ++chambIt)
    bookHistos((*chambIt)->id());

}


void DTLocalTriggerLutTask::beginLuminosityBlock(const LuminosityBlock& lumiSeg, const EventSetup& context) {

  nLumis++;
  LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: Begin of LS transition" << endl;
  
  if(nLumis%parameters.getUntrackedParameter<int>("ResetCycle") == 0) {
 
    LogTrace("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: Cleaning histos" << endl;
    map<uint32_t, map<string, MonitorElement*> > ::const_iterator chambIt  = chHistos.begin();
    map<uint32_t, map<string, MonitorElement*> > ::const_iterator chambEnd = chHistos.end();
 
    for(; chambIt!=chambEnd; ++chambIt) {
      map<string, MonitorElement*> ::const_iterator histoIt  = chambIt->second.begin();
      map<string, MonitorElement*> ::const_iterator histoEnd = chambIt->second.end();
      for(; histoIt!=histoEnd; ++ histoIt) {
        histoIt->second->Reset();
      }
    }

  }
        
}


void DTLocalTriggerLutTask::endJob(){
        
  LogVerbatim("DTDQM|DTMonitorModule|DTLocalTriggerLutTask") << "[DTLocalTriggerLutTask]: analyzed " << nEvents << " events" << endl;
  dbe->rmdir(topFolder());
        
}


void DTLocalTriggerLutTask::analyze(const edm::Event& e, const edm::EventSetup& c){
        
  nEvents++;
    
  edm::Handle<L1MuDTChambPhContainer> trigHandle;
  e.getByLabel(dccInputTag,trigHandle);
  vector<L1MuDTChambPhDigi>* trigs = trigHandle->getContainer();
  searchDccBest(trigs);

  Handle<DTRecSegment4DCollection> segments4D;
  e.getByLabel(segInputTag,segments4D);                 
  DTRecSegment4DCollection::id_iterator chamberId;

  // Preliminary loop finds best 4D Segment and high quality ones
  vector<const DTRecSegment4D*> best4DSegments;
  
  for (chamberId = segments4D->id_begin(); chamberId != segments4D->id_end(); ++chamberId){
                
    DTRecSegment4DCollection::range  rangeInCh = segments4D->get(*chamberId);
    DTRecSegment4DCollection::const_iterator trackIt  = rangeInCh.first;
    DTRecSegment4DCollection::const_iterator trackEnd = rangeInCh.second;

    const DTRecSegment4D* tmpBest = 0;
    int tmpdof = 0;
    int dof = 0;
    
    for (; trackIt!=trackEnd; ++trackIt){
                        
      if(trackIt->hasPhi()) {                           
        dof = trackIt->phiSegment()->degreesOfFreedom();
        if (dof>tmpdof) {
          tmpBest = &(*trackIt);
          tmpdof = dof; 
        }
      }
 
    }

    if (tmpBest) best4DSegments.push_back(tmpBest);
  
  }

  vector<const DTRecSegment4D*>::const_iterator bestTrackIt  = best4DSegments.begin();
  vector<const DTRecSegment4D*>::const_iterator bestTrackEnd = best4DSegments.end();
  
  for (; bestTrackIt!=bestTrackEnd; ++bestTrackIt) {
    
    if((*bestTrackIt)->hasPhi()) {
      
      DTChamberId chId = (*bestTrackIt)->chamberId();
      int nHitsPhi = (*bestTrackIt)->phiSegment()->degreesOfFreedom()+2;
      
      int wheel    = chId.wheel();
      int station  = chId.station();
      int scsector = 0;
      float trackPosPhi, trackPosEta, trackDirPhi, trackDirEta;
      trigGeomUtils->computeSCCoordinates((*bestTrackIt),scsector,trackPosPhi,trackDirPhi,trackPosEta,trackDirEta);
      
      map<string, MonitorElement*> &chMap = chHistos[chId.rawId()];

      if (trigQualBest[wheel+3][station][scsector] > 3 &&  // residuals only for correlate triggers
          trigQualBest[wheel+3][station][scsector] < 7 &&
          nHitsPhi>=7 ) {
                                        
        float trigPos = trigGeomUtils->trigPos(trigBest[wheel+3][station][scsector]);
        float trigDir = trigGeomUtils->trigDir(trigBest[wheel+3][station][scsector]);
        trigGeomUtils->trigToSeg(station,trigPos,trackDirPhi);
                                                                                
        double deltaPos = trigPos-trackPosPhi;
        deltaPos = overUnderIn ? max(min(deltaPos,rangePhi-0.01),-rangePhi+0.01) : deltaPos;
        double deltaDir = trigDir-trackDirPhi;
        deltaDir = overUnderIn ? max(min(deltaDir,rangePhiB-0.01),-rangePhiB+0.01) : deltaDir;
        chMap.find("DCC_PhiResidual")->second->Fill(deltaPos);
        chMap.find("DCC_PhibResidual")->second->Fill(deltaDir);

        if (detailedAnalysis){
          chMap.find("DCC_PhitkvsPhitrig")->second->Fill(trigPos,trackPosPhi);
          chMap.find("DCC_PhibtkvsPhibtrig")->second->Fill(trigDir,trackDirPhi);
          chMap.find("DCC_PhibResidualvsTkPos")->second->Fill(trackPosPhi,trigDir-trackDirPhi);
          chMap.find("DCC_PhiResidualvsTkPos")->second->Fill(trackPosPhi,trigPos-trackPosPhi);
        }

      }
      
    }
  } 
  
}

void DTLocalTriggerLutTask::searchDccBest( std::vector<L1MuDTChambPhDigi>* trigs ){
  
  string histoType ;
  string histoTag ;
  
  // define best quality trigger segment
  // start from 1 and zero is kept empty
  for (int st=0;st<=4;++st)
    for (int wh=0;wh<=5;++wh)
      for (int sec=0;sec<=12;++sec)
        trigQualBest[wh][st][sec] = -1;    
        
  vector<L1MuDTChambPhDigi>::const_iterator trigIt  = trigs->begin();
  vector<L1MuDTChambPhDigi>::const_iterator trigEnd = trigs->end();
  for(; trigIt!=trigEnd; ++trigIt) {
    
    int wh   = trigIt->whNum();
    int sec  = trigIt->scNum() + 1; // DTTF -> DT sector range transform
    int st   = trigIt->stNum();
    int qual = trigIt->code();

    if(qual>trigQualBest[wh+3][st][sec] && qual<7) {
      trigQualBest[wh+3][st][sec]=qual; 
      trigBest[wh+3][st][sec] = &(*trigIt);
    }
    
  }
}