/data/refman/pasoursint/CMSSW_5_3_1/src/RecoVertex/BeamSpotProducer/plugins/BeamSpotFakeConditions.cc

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//

#include <iostream>
#include <fstream>
#include <sstream>
#include <cstring>
#include <string>
#include <vector>
#include <memory>

#include <boost/shared_ptr.hpp>

#include <TClass.h>

#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/Framework/interface/EventSetupRecordIntervalFinder.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/SourceFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/FileInPath.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "CondFormats/DataRecord/interface/BeamSpotObjectsRcd.h"
#include "CondFormats/BeamSpotObjects/interface/BeamSpotObjects.h"

class BeamSpotFakeConditions : public edm::ESProducer, public edm::EventSetupRecordIntervalFinder {
public:
        typedef boost::shared_ptr<BeamSpotObjects> ReturnType;
        BeamSpotFakeConditions(const edm::ParameterSet &params);
        virtual ~BeamSpotFakeConditions();
        ReturnType produce(const BeamSpotObjectsRcd &record);
private:
        void setIntervalFor(const edm::eventsetup::EventSetupRecordKey &key,const edm::IOVSyncValue &syncValue,edm::ValidityInterval &oValidity);
  edm::FileInPath inputFilename_;
  bool getDataFromFile_;
  double x,y,z,sigmaZ,dxdz,dydz,beamWidthX,beamWidthY,emittanceX,emittanceY,betastar;
  std::string tag;
  double cov[7][7];
  int type;
        
};

BeamSpotFakeConditions::BeamSpotFakeConditions(const edm::ParameterSet &params)
{       
                setWhatProduced(this);
                findingRecord<BeamSpotObjectsRcd>();
                getDataFromFile_ = params.getParameter<bool>("getDataFromFile");
                if (getDataFromFile_) {
                  inputFilename_   = params.getParameter<edm::FileInPath>("InputFilename");
                  std::ifstream fasciiFile(inputFilename_.fullPath().c_str() );
                  fasciiFile >> tag >> type;
                  fasciiFile >> tag >> x;
                  fasciiFile >> tag >> y;
                  fasciiFile >> tag >> z;
                  fasciiFile >> tag >> sigmaZ;
                  fasciiFile >> tag >> dxdz;
                  fasciiFile >> tag >> dydz;
                  fasciiFile >> tag >> beamWidthX;
                  fasciiFile >> tag >> beamWidthY;
                  fasciiFile >> tag >> cov[0][0] >> cov[0][1] >> cov[0][2]>> cov[0][3] >> cov[0][4]>> cov[0][5] >> cov[0][6]
                    ;
                  fasciiFile >> tag >> cov[1][0] >> cov[1][1] >> cov[1][2] >> cov[1][3]>> cov[1][4] >> cov[1][5]>> cov[1][6]
                    ;
                  fasciiFile >> tag >> cov[2][0]  >> cov[2][1] >> cov[2][2] >> cov[2][3]>> cov[2][4] >> cov[2][5]>> cov[2][6
                                                                                                                           ];
                  fasciiFile >> tag >> cov[3][0]  >> cov[3][1] >> cov[3][2] >> cov[3][3]>> cov[3][4] >> cov[3][5]>> cov[3][6
                                                                                                                           ];
                  fasciiFile >> tag >> cov[4][0] >> cov[4][1] >> cov[4][2] >> cov[4][3]>> cov[4][4] >> cov[4][5]>> cov[4][6]
                    ;
                  fasciiFile >> tag >> cov[5][0] >> cov[5][1] >> cov[5][2] >> cov[5][3]>> cov[5][4] >> cov[5][5]>> cov[5][6]
                    ;
                  fasciiFile >> tag >> cov[6][0] >> cov[6][1] >> cov[6][2] >> cov[6][3]>> cov[6][4] >> cov[6][5]>> cov[6][6]
                    ;
                  fasciiFile >> tag >> emittanceX;
                  fasciiFile >> tag >> emittanceY;
                  fasciiFile >> tag >> betastar;

                }
                // input values by hand
                else {
                  x =              params.getParameter<double>(  "X0" );
                  y =              params.getParameter<double>(  "Y0" );
                  z =              params.getParameter<double>(  "Z0" );
                  dxdz =           params.getParameter<double>(  "dxdz" );
                  dydz =           params.getParameter<double>(  "dydz" );
                  sigmaZ =         params.getParameter<double>(  "sigmaZ" );
                  beamWidthX =     params.getParameter<double>(  "widthX" );
                  beamWidthY =     params.getParameter<double>(  "widthY" );
                  emittanceX =     params.getParameter<double>(  "emittanceX" );
                  emittanceY =     params.getParameter<double>(  "emittanceY" );
                  betastar =       params.getParameter<double>(  "betaStar"  );

                  // first set all elements (esp. off-diagonal elements to zero)
                  for (int i=0; i<7; i++ ) {
                    for (int j=0; j<7; j++) cov[i][j] = 0.0;
                  }

                  // we ignore correlations when values are given by hand
                  cov[0][0] =       pow( params.getParameter<double>(  "errorX0" ), 2 );
                  cov[1][1] =       pow(    params.getParameter<double>(  "errorY0" ), 2 );
                  cov[2][2] =       pow(    params.getParameter<double>(  "errorZ0" ), 2 );
                  cov[3][3] =       pow( params.getParameter<double>(  "errorSigmaZ" ), 2 );
                  cov[4][4] =       pow( params.getParameter<double>(  "errordxdz" ), 2 );
                  cov[5][5] =       pow( params.getParameter<double>(  "errordydz" ), 2 );
                  cov[6][6] =       pow( params.getParameter<double>(  "errorWidth" ), 2 );
                  
                }
}

BeamSpotFakeConditions::~BeamSpotFakeConditions(){}

BeamSpotFakeConditions::ReturnType
BeamSpotFakeConditions::produce(const BeamSpotObjectsRcd &record){


        BeamSpotObjects *adummy = new BeamSpotObjects();
        
        adummy->SetPosition( x, y , z );
        adummy->SetSigmaZ( sigmaZ);
        adummy->Setdxdz( dxdz );
        adummy->Setdydz( dydz );
        adummy->SetBeamWidthX( beamWidthX );
        adummy->SetBeamWidthY( beamWidthY );
        for (int i=0; i<7; i++ ) {
          for (int j=0; j<7; j++) {

            adummy->SetCovariance( i, j, cov[i][j] );
          } 
        }
        adummy->SetEmittanceX( emittanceX );
        adummy->SetEmittanceY( emittanceY );
        adummy->SetBetaStar( betastar);

        return ReturnType(adummy);
}

void BeamSpotFakeConditions::setIntervalFor(const edm::eventsetup::EventSetupRecordKey &key,
                                                  const edm::IOVSyncValue &syncValue,
                                                  edm::ValidityInterval &oValidity){
  oValidity = edm::ValidityInterval(edm::IOVSyncValue::beginOfTime(),
                                    edm::IOVSyncValue::endOfTime());
}

DEFINE_FWK_EVENTSETUP_SOURCE(BeamSpotFakeConditions);