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#include "SLCIORdr.h"
#include "GenEvent.h"
#include "lcio.h" //LCIO
#include "LCIOSTLTypes.h"
#include "IOIMPL/LCFactory.h"
#include "EVENT/LCIO.h"
#include "EVENT/LCEvent.h"
#include "EVENT/LCCollection.h"
#include "IO/LCReader.h"
#include "IMPL/MCParticleImpl.h"
#include "IMPL/LCCollectionVec.h"
#include "edm4hep/MCParticle.h" //edm4hep
#include "edm4hep/MCParticleObj.h"
#include "edm4hep/MCParticleCollection.h"
#include "edm4hep/EventHeaderCollection.h"
#include <iostream>
#include <vector>
#include <fstream>
using namespace lcio;
using namespace IMPL;
++m_processed_event;
IMPL::LCCollectionVec* lcMCVec = new IMPL::LCCollectionVec(LCIO::MCPARTICLE);
EVENT::LCEvent *lcEvent = m_slcio_rdr->readNextEvent(LCIO::UPDATE);
LCCollection *lcCol = NULL;
if(lcEvent) {
lcCol = lcEvent->getCollection("MCParticle");
} else {
return false;
}
if(lcCol){
MCParticleImpl* p = nullptr;
//MCParticleImpl* d;
int NHEP = lcCol->getNumberOfElements();
lcMCVec->parameters() = lcCol->parameters();
lcMCVec->resize(NHEP);
for( int IHEP=0; IHEP<NHEP; IHEP++ ){
MCParticleImpl* mcp = new MCParticleImpl();
EVENT::MCParticle* in = dynamic_cast<EVENT::MCParticle*>(lcCol->getElementAt(IHEP));
lcMCVec->at(IHEP) = mcp ;
mcp->setPDG(in->getPDG());
mcp->setCharge(in->getCharge()) ;
mcp->setMomentum(in->getMomentum());
mcp->setMass(in->getMass());
mcp->setVertex(in->getVertex());
mcp->setGeneratorStatus(in->getGeneratorStatus());
mcp->setSimulatorStatus(in->getSimulatorStatus());
mcp->setTime(in->getTime());
mcp->setSpin(in->getSpin());
}
for( int IHEP=0; IHEP<NHEP; IHEP++ ){
lcio::MCParticleImpl* mcp = dynamic_cast<MCParticleImpl*>(lcMCVec->getElementAt(IHEP));
EVENT::MCParticleVec parents = (dynamic_cast<EVENT::MCParticle*>(lcCol->getElementAt(IHEP)))->getParents();
int np = parents.size();
//cout << "DEBUG: the " << IHEP << "th particle has " << np << " parents ";
int i;
for(int ip=0;ip<np;ip++){
p = dynamic_cast<MCParticleImpl*>(parents[ip]);
for(i=0;i<NHEP;i++){
if(p==lcCol->getElementAt(i)) break;
}
if(i==NHEP) error() << "SLCIORdr: error" << endmsg;
mcp->addParent(dynamic_cast<MCParticleImpl*>(lcMCVec->getElementAt(i)));
//ignore daughter table, auto-regonize relationship while addParent()
/*
EVENT::MCParticleVec daughters = (dynamic_cast<EVENT::MCParticle*>(lcCol->getElementAt(IHEP)))->getDaughters();
int nd = daughters.size();
//cout << "and " << nd << " daughters." << endl;
for(int id=0;id<nd;id++){
d = dynamic_cast<MCParticleImpl*>(daughters[id]);
for(i=0;i<NHEP;i++){
if(d==lcCol->getElementAt(i)) break;
}
if(i==NHEP) cout << "Heedm4hepInterfaceNew: error" << endl;
mcp->addToDaughters(dynamic_cast<MCParticleImpl*>(lcMCVec->getElementAt(i)));
*/
}
} else {
error() << "Debug: no MCParticle Collection is read!" << endmsg;
return false;
}
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int n_mc = lcMCVec->getNumberOfElements();
std::cout<<"Read event :"<< m_processed_event <<", mc size :"<< n_mc <<std::endl;
std::map<int, int> pmcid_lmcid;
for (int i=0; i < n_mc; i++){
MCParticleImpl* mc = (MCParticleImpl*) lcMCVec->getElementAt(i);
//std::cout<<"At mc :"<< i <<std::endl;
auto mcp = event.m_mc_vec.create();
pmcid_lmcid.insert(std::pair<int, int>(mc->id(),i));
//std::cout<<"map<id,i>:"<<mc->id()<<","<< i <<std::endl;
mcp.setPDG (mc->getPDG());
mcp.setGeneratorStatus (mc->getGeneratorStatus());
mcp.setSimulatorStatus (mc->getSimulatorStatus());
mcp.setCharge (mc->getCharge());
mcp.setTime (mc->getTime());
mcp.setMass (mc->getMass());
mcp.setVertex (mc->getVertex());
mcp.setEndpoint (mc->getEndpoint());
mcp.setMomentum (Vector3f(float(mc->getMomentum()[0]), float(mc->getMomentum()[1]), float(mc->getMomentum()[2]) ));
mcp.setMomentumAtEndpoint (Vector3f(float(mc->getMomentumAtEndpoint()[0]), float(mc->getMomentumAtEndpoint()[1]), float(mc->getMomentumAtEndpoint()[2]) ));
mcp.setSpin (mc->getSpin());
mcp.setColorFlow (mc->getColorFlow());
}
// second loop for setting parents and daughters
for (int i=0; i < n_mc; i++){
MCParticleImpl* mc = (MCParticleImpl*) lcMCVec->getElementAt(i);
const MCParticleVec & mc_parents = mc->getParents();
const MCParticleVec & mc_daughters = mc->getDaughters();
auto pmc = event.m_mc_vec.at(i);
//std::cout<<"mc at "<< i<<", parent size "<<mc_parents.size() <<std::endl;
for(unsigned int j=0; j< mc_parents.size(); j++){
int p_id = mc_parents.at(j)->id();
//std::cout<<"parent id "<<p_id<<std::endl;
pmc.addToParents( event.m_mc_vec.at( pmcid_lmcid.at(p_id) ) );
}
//std::cout<<"mc at "<< i<<", daughter size "<<mc_daughters.size() <<std::endl;
for(unsigned int j=0; j< mc_daughters.size(); j++){
int d_id = mc_daughters.at(j)->id();
//std::cout<<"daughter id "<<d_id<<std::endl;
pmc.addToDaughters( event.m_mc_vec.at( pmcid_lmcid.at(d_id) ) );
}
}
event.SetEventHeader( m_processed_event, -99, 9999, "Generator");
//std::cout<<"end event :"<< m_processed_event <<std::endl;
//for(unsigned int i=0; i< lcMCVec->size(); i++) delete lcMCVec->at(i);
delete lcMCVec;
return true;
m_slcio_rdr = IOIMPL::LCFactory::getInstance()->createLCReader();
m_slcio_rdr->open(m_filename.value().c_str());
m_processed_event=-1;
StatusCode
SLCIORdr::initialize() {
StatusCode sc;
if (not configure_gentool()) {
error() << "failed to initialize." << endmsg;
return StatusCode::FAILURE;
}
// skip the first n events if startIndex is not 0.
if (startIndex() > 0) {
m_slcio_rdr->skipNEvents(startIndex());
info() << "Skip the first " << startIndex() << " events." << endmsg;
}
return sc;
}
StatusCode
SLCIORdr::finalize() {
StatusCode sc;
if (not finish()) {
error() << "Failed to finalize." << endmsg;
return StatusCode::FAILURE;
}
return sc;
int SLCIORdr::startIndex() {
return m_startIndex.value();
}