LArHitContainerCnv_p2.cxx

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
#include "LArSimEvent/LArHit.h"
#include "LArSimEvent/LArHitContainer.h"
#include "Identifier/Identifier.h"
 
#include "Identifier/IdentifierHash.h"
#include "CaloIdentifier/CaloCell_ID.h"
 
#include "CxxUtils/Compressor.h"
 
// LArHitContainerCnv_p2, used for T/P separation
// author Ilija Vukotic
 
#include "LArSimEventTPCnv/LArHitContainerCnv_p2.h"
#include "StoreGate/StoreGateSvc.h"
#include "GaudiKernel/ServiceHandle.h"
#include <map>
#include <stdexcept>
 
 
LArHitContainerCnv_p2::LArHitContainerCnv_p2()
  : m_cellIdHelper(nullptr)
{
  ServiceHandle<StoreGateSvc> detStore ("DetectorStore", "LArHitContainerCnv_p2");
  if (detStore->retrieve (m_cellIdHelper, "CaloCell_ID").isFailure()) {
    throw std::runtime_error ("LArHitContainerCnv_p2: Can't get CaloCell_ID");
  }
}
 
 
void LArHitContainerCnv_p2::transToPers(const LArHitContainer* transCont, LArHitContainer_p2* persCont, MsgStream &log) 
{   //static int ev=0;
 
    size_t size = transCont->size();  
    log << MSG::DEBUG  << " ***  Writing LArHitContainer_p2 of size:"<<size<<endmsg;
    
    persCont->m_channelHash.reserve(size);  
    std::vector<float> tempE;   tempE.reserve(size);
    std::vector<float> tempT;   tempT.reserve(size);
    
    LArHitContainer::const_iterator it  = transCont->begin();
    
    std::multimap <unsigned int, unsigned int> map_hashPositions;// first hash ; second its position in container
 
    for (unsigned int w=0;w<size;++w){
                IdentifierHash hashId = m_cellIdHelper->calo_cell_hash((*it)->cellID());
        map_hashPositions.insert(std::pair<unsigned int, int>((unsigned int)hashId, w));
//      if (!ev) std::cout<<hashId<<"\t"<<((*it)->cellID())<<std::endl;
        ++it;
        }
 
    std::multimap<unsigned int, unsigned int>::const_iterator iter;
    unsigned int old=0;
//  int count=0;
    for (iter=map_hashPositions.begin(); iter != map_hashPositions.end(); ++iter) {
        //cout <<"container position:"<< iter->second << " \t hash:" << iter->first << endl;
        unsigned int pHash=(iter->first)-old; // to store as a difference 
        old=iter->first;
        unsigned int pos=iter->second;
        persCont->m_channelHash.push_back(pHash);
        tempE.push_back( (float) (transCont->At(pos))->energy() );
        tempT.push_back( (float) (transCont->At(pos))->time()   );
//      if (!ev) std::cout<<"Writing Hash: "<<iter->first<<"\t E: "<< (float) (transCont->At(pos))->m_energy<<"\t T: "<< (float) (transCont->At(pos))->m_time<<std::endl;
//      count++;
        }           
//  std::cout<<"ILIJA : "<<count<<std::endl;
    
    Compressor A; A.setNrBits(18);  
    A.reduce(tempE,persCont->m_energy); // packs energy
    Compressor B;
    B.reduceToUS(tempT, persCont->m_time);  
    persCont->m_name = transCont->Name(); //stores name
    
//  ev++;
}
 
 
 
void LArHitContainerCnv_p2::persToTrans(const LArHitContainer_p2* persCont, LArHitContainer* transCont, MsgStream &log) 
{
//  static int dog=0;
    size_t cells=persCont->m_channelHash.size();
    log << MSG::DEBUG  << " ***  Reading LArHitContainer of size: "<<cells<<endmsg;
    transCont->clear();
    transCont->reserve(cells);
    transCont->setName(persCont->name() );
    
    
    Compressor A;
    std::vector<float> tempE;   tempE.reserve(cells);
    std::vector<float> tempT;   tempT.reserve(cells);
    
    A.expandFromUStoFloat(persCont->m_time,tempT);
    A.expandToFloat(persCont->m_energy,tempE);
    unsigned int sum=0;
    for (unsigned int i=0;i<cells;++i){
        sum+= persCont->m_channelHash[i];
        LArHit* trans=new LArHit
                  (m_cellIdHelper->cell_id(sum),
                   tempE[i],
                   tempE[i] != 0 ? (double)(tempT[i])/tempE[i] : 0);
//      if(!dog) std::cout<<"Reading hash: "<< sum <<"\t E: "<< (double)tempE[i]<<"\t T: "<<(tempT[i]) <<std::endl;
        transCont->push_back(trans);
        }
//  dog++;
}