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eventfilewriter.cpp
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/
eventfilewriter.cpp
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//
// Copyright 2010
//
// This file is part of starlight.
//
// starlight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// starlight is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with starlight. If not, see <http://www.gnu.org/licenses/>.
//
///////////////////////////////////////////////////////////////////////////
//
// File and Version Information:
// $Rev:: 228 $: revision of last commit
// $Author:: butter $: author of last commit
// $Date:: 2016-01-18 17:10:17 +0000 #$: date of last commit
//
// Description:
//
//
//
///////////////////////////////////////////////////////////////////////////
#ifdef HEPMC3_ON
#include "hepmc3writer.h"
#endif
#include <iostream>
#include <exception>
#include <cstdlib>
#include "eventfilewriter.h"
#include "starlightparticlecodes.h"
using namespace std;
//______________________________________________________________________________
eventFileWriter::eventFileWriter()
: fileWriter()
,_writeFullPythia(false)
,_writeFullHepMC3(false)
{ }
//______________________________________________________________________________
eventFileWriter::eventFileWriter(std::string filename)
: fileWriter(filename)
{ }
//______________________________________________________________________________
int eventFileWriter::writeInit(inputParameters &_p)
{
_fileStream<<"CONFIG_OPT: "<<_p.productionMode()<<" "<<_p.prodParticleId()<<" "<<_p.nmbEvents()
<<" "<<_p.quantumGlauber()<<" "<<_p.impulseVM()<<" "<<_p.randomSeed()<<std::endl;
_fileStream<<"ELECTRON_BEAM: "<<" "<<_p.electronBeamLorentzGamma()<<std::endl;
_fileStream<<"TARGET_BEAM: "<<_p.targetBeamZ()<<" "<<_p.targetBeamA()<<" "<<_p.targetBeamLorentzGamma()<<std::endl;
_fileStream<<"PHOTON: "<<_p.nmbEnergyBins()<<" "<<_p.fixedQ2Range()<<" "<<_p.nmbGammaQ2Bins()
<<" "<<_p.minGammaQ2()<<" "<<_p.maxGammaQ2()<<std::endl;
if ( _writeFullHepMC3 )
{
#ifdef HEPMC3_ON
_hepmc3writer = new hepMC3Writer();
_hepmc3writer->initWriter(_p);
#else
std::cout << "***HepMC3 file format not written --- eStarlight not compiled with HepMC3 Enabled***" << std::endl;
_writeFullHepMC3 = false;
#endif
}
return 0;
}
//______________________________________________________________________________
int eventFileWriter::writeInitLUND(inputParameters &_p)
{
_fileStream<<"PYTHIA EVENT FILE"<<std::endl;
_fileStream<<"============================================"<<std::endl;
_fileStream<<"I, ievent, genevent, subprocess, nucleon, targetparton, xtargparton, beamparton, xbeamparton, thetabeamprtn, truey, trueQ2, truex, trueW2, trueNu, leptonphi, s_hat, t_hat, u_hat, pt2_hat, Q2_hat, F2, F1, R, sigma_rad, SigRadCor, EBrems, photonflux, t-diff, nrTracks"<<std::endl;
_fileStream<<"============================================"<<std::endl;
_fileStream<<"I K(I,1) K(I,2) K(I,3) K(I,4) K(I,5) P(I,1) P(I,2) P(I,3) P(I,4) P(I,5) V(I,1) V(I,2) V(I,3)"<<std::endl;
_fileStream<<"============================================"<<std::endl;
//Proton and Electron Mass
double p_mass = 0.93827;
double e_mass = 0.000511;
//Calculate Four Vector
double _electronBeam_E = e_mass*_p.electronBeamLorentzGamma();
double _targetBeam_E = p_mass*_p.targetBeamLorentzGamma();
double _electronBeam_pz = -1.0*sqrt(_electronBeam_E*_electronBeam_E - e_mass*e_mass);
double _targetBeam_pz = sqrt(_targetBeam_E*_targetBeam_E - p_mass*p_mass);
//Define Four Vector
_electronBeam_four_vector_={0,0,_electronBeam_pz,_electronBeam_E};
_targetBeam_four_vector_ ={0,0,_targetBeam_pz,_targetBeam_E};
_electronBeam_pdg_id_ = 11;
int nuclear_pid = _p.targetBeamA()*10 + _p.targetBeamZ()*10000 + 1000000000;// Form 100ZZZAAAl; l=0
_targetBeam_pdg_id_ = ( _p.targetBeamA() > 1 ) ? nuclear_pid : 2212; //Everything is a proton right now
return 0;
}
//______________________________________________________________________________
int eventFileWriter::writeEvent(eXEvent &event, int eventnumber)
{
int numberoftracks = 0;
if(_writeFullPythia)
{
numberoftracks = event.getParticles()->size();
}
else
{
for(unsigned int i = 0; i<event.getParticles()->size(); ++i)
{
if(event.getParticles()->at(i).getStatus() >= 0) numberoftracks++;
}
}
// sometimes we don't have tracks due to wrongly picked W , check it
if(numberoftracks){
eventnumber++;
_fileStream << "EVENT: " << eventnumber << " " << numberoftracks << " " << 1 << std::endl;
_fileStream <<"VERTEX: "<<0.<<" "<<0.<<" "<<0.<<" "<<0.<<" "<<1<<" "<<0<<" "<<0<<" "<<numberoftracks<<std::endl;
for( uint igam = 0 ; igam < event.getGammaEnergies()->size(); ++igam){
_fileStream <<"GAMMA: "<<event.getGammaEnergies()->at(igam)<<" "<<event.getGammaMasses()->at(igam)<<std::endl;
lorentzVector gam = event.getGamma()->at(igam);
// Write the photon 4-vector out to file. Might be used in later iterations, so I keep it here
//_fileStream <<"GAMMA VECTOR: "<<gam.GetPx()<<" "<<gam.GetPy()<<" "<<gam.GetPz()<<" "<<gam.GetE()<<" "<<-temp<<std::endl;
}
for( uint itarget = 0 ; itarget < event.getTarget()->size(); ++itarget){
lorentzVector target = event.getTarget()->at(itarget);
_fileStream <<"t: "<<event.getVertext()->at(itarget)<<std::endl;
_fileStream <<"TARGET: "<<target.GetPx()<<" "<<target.GetPy()<<" "<<target.GetPz()<<" "<<target.GetE()<<std::endl;
}
for( uint iel = 0 ; iel < event.getSources()->size(); ++iel){
lorentzVector el = event.getSources()->at(iel);
_fileStream <<"SOURCE: "<<el.GetPx()<<" "<<el.GetPy()<<" "<<el.GetPz()<<" "<<el.GetE()<<std::endl;
}
int ipart = 0;
std::vector<starlightParticle>::const_iterator part = (event.getParticles())->begin();
for (part = event.getParticles()->begin(); part != event.getParticles()->end(); part++, ipart++)
{
if(!_writeFullPythia)
{
if((*part).getStatus() < 0) continue;
}
_fileStream << "TRACK: " << " "<< starlightParticleCodes::jetsetToGeant((*part).getPdgCode()) <<" "<< (*part).GetPx() << " " << (*part).GetPy()
<< " "<< (*part).GetPz() << " " << eventnumber << " " << ipart << " " << 0 << " "
<< (*part).getPdgCode();
if(_writeFullPythia)
{
lorentzVector vtx = (*part).getVertex();
_fileStream << " " << vtx.GetPx() << " " << vtx.GetPy() << " " << vtx.GetPz() << " " << vtx.GetE();
_fileStream << " " << (*part).getFirstParent() << " " << (*part).getLastParent() << " " << (*part).getFirstDaughter() << " " << (*part).getLastDaughter() << " " << (*part).getStatus();
}
_fileStream <<std::endl;
}
}
#ifdef HEPMC3_ON
if ( _writeFullHepMC3 ){
_hepmc3writer->writeEvent(event,eventnumber);
}
#endif
return 0;
}
//______________________________________________________________________________
int eventFileWriter::writeEventLUND(eXEvent &event, int eventnumber)
{
_fileStream << "0 "<<eventnumber<<" 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0"<<std::endl;
_fileStream<<"============================================"<<std::endl;
int particleIndex=1;
uint lineNumberOfFirstElectronDaughter=3;
uint lineNumberOfLastElectronDaughter=4;
uint lineNumberOfFirstIonDaughter=6;
uint lineNumberOfLastIonDaughter=lineNumberOfFirstIonDaughter+event.getParticles()->size();
uint numberOfElectrons = event.getSources()->size();
uint numberOfIons = event.getTarget()->size();
uint numberOfGammas = event.getGammaEnergies()->size();
auto sp0 = std::setw(8);//column widths
auto sp1 = std::setw(14);
double electronmass = sqrt(_electronBeam_four_vector_[3]*_electronBeam_four_vector_[3] - _electronBeam_four_vector_[2]*_electronBeam_four_vector_[2] - _electronBeam_four_vector_[1]*_electronBeam_four_vector_[1] - _electronBeam_four_vector_[0]*_electronBeam_four_vector_[0]);
_fileStream <<particleIndex << sp0 <<21 << sp0 <<_electronBeam_pdg_id_<<" "<<0<<" "<<lineNumberOfFirstElectronDaughter<<" "<<lineNumberOfLastElectronDaughter<<" " << std::setprecision(6) << sp1 <<_electronBeam_four_vector_[0]<<" " << sp1 <<_electronBeam_four_vector_[1]<<" " << sp1 <<_electronBeam_four_vector_[2]<<" " <<sp1<<_electronBeam_four_vector_[3]<<" "<<sp1<<electronmass<<" 0 0 0"<<std::endl;
particleIndex++;
double ionmass = sqrt(_targetBeam_four_vector_[3]*_targetBeam_four_vector_[3] - _targetBeam_four_vector_[2]*_targetBeam_four_vector_[2] - _targetBeam_four_vector_[1]*_targetBeam_four_vector_[1] - _targetBeam_four_vector_[0]*_targetBeam_four_vector_[0]);
_fileStream <<particleIndex <<sp0<<21 << sp0 <<_targetBeam_pdg_id_<<" "<<0<<" "<<lineNumberOfFirstIonDaughter<<" "<<lineNumberOfLastIonDaughter<<" " << sp1 <<_targetBeam_four_vector_[0]<<" " <<sp1<<_targetBeam_four_vector_[1]<<" " <<sp1<<_targetBeam_four_vector_[2]<<" " <<sp1<<_targetBeam_four_vector_[3]<<" "<<sp1<<ionmass<<" 0 0 0"<<std::endl;
particleIndex++;
//FOR ALEX
for( uint iel = 0 ; iel < numberOfElectrons; ++iel){
lorentzVector el = event.getSources()->at(iel);
_fileStream <<particleIndex<<sp0<<21 <<sp0<<11<<" "<<1<<" "<<0<<" "<<0<<" " <<sp1<<el.GetPx()<<" " <<sp1<<el.GetPy()<<" " <<sp1<<el.GetPz()<<" " <<sp1<<el.GetE()<<" "<<sp1<<electronmass<<" 0 0 0"<<std::endl;
particleIndex++;
}
for( uint igam = 0 ; igam < numberOfGammas; ++igam){
lorentzVector gam = event.getGamma()->at(igam);
_fileStream <<particleIndex <<sp0<<21 <<sp0<<22<<" "<<1<<" "<<0<<" "<<0<<" " <<sp1<<gam.GetPx()<<" " <<sp1<<gam.GetPy()<<" " <<sp1<<gam.GetPz()<<" " <<sp1<<event.getGammaEnergies()->at(igam)<<" "<<sp1<<event.getGammaMasses()->at(igam)<<" 0 0 0"<<std::endl;
particleIndex++;
}
for( uint iel = 0 ; iel < numberOfElectrons; ++iel){
lorentzVector el = event.getSources()->at(iel);
_fileStream <<particleIndex<<sp0<<1 <<sp0<<11<<" "<<3<<" "<<0<<" "<<0<<" " <<sp1<<el.GetPx()<<" " <<sp1<<el.GetPy()<<" " <<sp1<<el.GetPz()<<" " <<sp1<<el.GetE()<<" "<<sp1<<electronmass<<" 0 0 0"<<std::endl;
particleIndex++;
}
//FIXME This is only set up for protons right now
for( uint itarget = 0 ; itarget < numberOfIons; ++itarget){
lorentzVector target = event.getTarget()->at(itarget);
_fileStream <<particleIndex <<sp0<<1 <<sp0<<2212<<" "<<2<<" "<<lineNumberOfFirstIonDaughter<<" "<<lineNumberOfLastIonDaughter<<" " <<sp1<<target.GetPx()<<" " <<sp1<<target.GetPy()<<" " <<sp1<<target.GetPz()<<" " <<sp1<<target.GetE()<<" "<<sp1<<ionmass<<" 0 0 0"<<std::endl;
particleIndex++;
}
int ipart = 0;
std::vector<starlightParticle>::const_iterator part = (event.getParticles())->begin();
for (part = event.getParticles()->begin(); part != event.getParticles()->end(); part++, ipart++)
{
_fileStream <<particleIndex <<sp0<<1 <<sp0<<(*part).getPdgCode()<<" "<<2<<" "<<0<<" "<<0<<" " <<sp1<<(*part).GetPx()<<" " <<sp1<<(*part).GetPy()<<" " <<sp1<<(*part).GetPz()<<" " <<sp1<<(*part).GetE()<<" "<<sp1<<(*part).M()<<" 0 0 0"<<std::endl;
particleIndex++;
}
_fileStream<<"=============== Event finished ==============="<<std::endl;
return 0;
}
int eventFileWriter::close()
{
#ifdef HEPMC3_ON
if ( _writeFullHepMC3 ){
_hepmc3writer->close();
}
#endif
try
{
_fileStream.close();
}
catch (const ios::failure & error)
{
cerr << "I/O exception: " << error.what() << endl;
return EXIT_FAILURE;
}
return 0;
}