PndHypMSAnaTask.cxx

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// -------------------------------------------------------------------------
// -----                PndHypMSAnaTask source file             -----
// -----                  Created 18/07/08  by T.Stockmanns        -----
// -------------------------------------------------------------------------
// libc includes
#include <iostream>

// Root includes
#include "TROOT.h"
#include "TClonesArray.h"
#include "TVector3.h"


// framework includes
#include "FairRootManager.h"
#include "PndHypMSAnaTask.h"
#include "FairRunAna.h"
#include "FairRuntimeDb.h"
#include "FairHit.h"
#include "PndMCTrack.h"
// PndHyp includes
#include "PndHypPoint.h"
#include "FairTrackParH.h"
#include "FairTrackParP.h"

#include "TDatabasePDG.h"

#include <vector>
#include <map>


// -----   Default constructor   -------------------------------------------
PndHypMSAnaTask::PndHypMSAnaTask() : FairTask("Geane Task for PANDA PndHyp"), fEventNr(0)
{
        histo = new TH1F("h1","h1",3000,0,20);
}
// -------------------------------------------------------------------------


// -----   Destructor   ----------------------------------------------------
PndHypMSAnaTask::~PndHypMSAnaTask()
{delete(histo);delete fGeoH;
}

// -----   Public method Init   --------------------------------------------
InitStatus PndHypMSAnaTask::Init()
{
  // Get RootManager
  FairRootManager* ioman = FairRootManager::Instance();
  if ( !ioman){
                std::cout << "-E- PndHypMSAnaTask::Init: "<< "RootManager not instantiated!" << std::endl;
                return kFATAL;
        }

        // Get input arrays
        fMCTracks = (TClonesArray*) ioman->GetObject("MCTrack");
        if (!fMCTracks){
                std::cout << "-W- PndHypMSAnaTask::Init: "<< "No MCTrack" << " array!" << std::endl;
                return kERROR;
        }
  
        fMCHits = (TClonesArray*) ioman->GetObject("HypPoint");
        if ( !fMCHits)  {
                std::cout << "-W- PndHypMSAnaTask::Init: "<< "No MVDPoint"<<" array!" << std::endl;
                return kERROR;
        }
        
         /* fTrackParGeane = new TClonesArray("FairTrackParP");
          ioman->Register("GeaneTrackPar","Geane", fTrackParGeane, kTRUE);
          
          fTrackParIni = new TClonesArray("FairTrackParP");
          ioman->Register("GeaneTrackIni","Geane", fTrackParIni, kTRUE);
          
          fTrackParFinal = new TClonesArray("FairTrackParP");
          ioman->Register("GeaneTrackFinal","Geane", fTrackParFinal, kTRUE);*/
          
          // fPro = new FairGeanePro();
          fGeoH = new PndHypGeoHandling(gGeoManager);

  return kSUCCESS;
}
// -------------------------------------------------------------------------
void PndHypMSAnaTask::SetParContainers()
{
  // Get Base Container
  //FairRunAna* ana = FairRunAna::Instance();
  //FairRuntimeDb* rtdb=ana->GetRuntimeDb();

}


// -----   Public method Exec   --------------------------------------------
void PndHypMSAnaTask::Exec(Option_t*)
{                                                                                                                                       
  // mcHitMap.clear();                                          //Track ->  MCHits
        TVector3 vpi2;
        
//      fTrackParGeane->Delete();
//      fTrackParIni->Delete();
//      fTrackParFinal->Delete();
        
        mcHitMap = AssignHitsToTracks();
        
        std::cout << "------------Event " << fEventNr << "-------------" << std::endl;
        fEventNr++;
        std::cout<<" size map "<<mcHitMap.size()<<std::endl;
        
        for (std::map<int, std::vector<int> >::const_iterator it = mcHitMap.begin(); 
             it!= mcHitMap.end(); 
             it++)
          {  //go through all tracks
            PndMCTrack* myTrack = (PndMCTrack*)(fMCTracks->At(it->first));
            std::vector<int> MChits = it->second;
            
            /*  if(myTrack==0)
              {
              it++;
              continue;
              } 
            */
            
                
            //if(myTrack->GetPdgCode()>1010000000||myTrack->GetPdgCode()>1020000000)
            //std::cout<<" hypernuclei "<<std::endl;
                
            if (MChits.size() >=3){

              PndHypPoint* startPoint = (PndHypPoint*)(fMCHits->At(0));
              std::cout<<" hits "<<MChits.size()<<(it->first)<<std::endl;
              //std::cout << "StartPoint: " << *startPoint << std::endl;
              
              //PndMCTrack* mctruth=(PndMCTrack*)fMCTracks->At( startPoint->GetTrackID());
                        //if(mctruth==0)continue;
              std::cout<<" pid "<<startPoint->GetTrackID()<<" "<<it->first<<std::endl;
              Int_t MotherId, Motherpdg;
              MotherId= myTrack->GetMotherID();
              
              if  (MotherId==-1)Motherpdg = myTrack->GetPdgCode();
              else {
                PndMCTrack *mother =(PndMCTrack*)fMCTracks->At(MotherId);
                Motherpdg = mother->GetPdgCode();
              }
              if((myTrack->GetPdgCode()==-211)&&( Motherpdg>1010000000&& 
                                                  Motherpdg<1020050130) )
                {  //startPoint->MomentumIn(vpi2);//vpi2 = mctruth->GetMomentum();
                  std::cout<<" hits "<<MChits.size()<<" "<<Motherpdg<<std::endl;
                  
                  histo->Fill(MChits.size());//vpi2.Mag());
                }
              
              /*
                TVector3 StartPos(startPoint->GetPosition());
                TVector3 StartPosErr(0.0, 0.0, 0.0);
                TVector3 StartMom(startPoint->GetPx(), startPoint->GetPy(), startPoint->GetPz());
                TVector3 StartMomErr(0.0, 0.0, 0.0);
                TVector3 startO, startU, startV;
                
                fGeoH->GetOUVId(startPoint->GetDetName(), startO, startU, startV);
                fPro->PropagateFromPlane(startU, startV);
                
                Int_t PDGCode = myTrack->GetPdgCode();
                TDatabasePDG *fdbPDG= TDatabasePDG::Instance();
                TParticlePDG *fParticle= fdbPDG->GetParticle(PDGCode);
                Double_t  fCharge= fParticle->Charge();
                
                TClonesArray& clref1 = *fTrackParIni;
                Int_t size1 = clref1.GetEntriesFast();
                FairTrackParP *fStart= new (clref1[size1]) FairTrackParP(StartPos, StartMom, StartPosErr, StartMomErr, fCharge, startO, startU, startV);
                
                for (int p = 1; p < MChits.size(); p++){                                                                                        //go through all hits in track
                PndHypPoint* myPoint = (PndHypPoint*)(fMCHits->At(MChits[p]));
                std::cout << "PropagationPoint: " << *myPoint << std::endl;
                
                TVector3 StopPos(myPoint->GetPosition());
                TVector3 StopPosErr(0.0, 0.0, 0.0);
                TVector3 StopMom(myPoint->GetPx(), myPoint->GetPy(), myPoint->GetPz());
                TVector3 StopMomErr(0.0, 0.0, 0.0);
                
                TVector3 o, u, v;
                fGeoH->GetOUVId(myPoint->GetDetName(), o, u, v);
                
                TClonesArray& clref2 = *fTrackParFinal;
                Int_t size2 = clref2.GetEntriesFast();
                FairTrackParP *fStop= new (clref2[size2]) FairTrackParP(StopPos, StopMom, StopPosErr, StopMomErr, fCharge, o, u, v);
                
                TClonesArray& clref = *fTrackParGeane;
                Int_t size = clref.GetEntriesFast();
                FairTrackParP *fRes=    new(clref[size]) FairTrackParP();
                
                std::cout << "Propagation Plane:" << std::endl;
                std::cout << "o: " << o[0] << " " << o[1] << " " << o[2] << std::endl;
                std::cout << "u: " << u[0] << " " << u[1] << " " << u[2] << std::endl;
                std::cout << "v: " << v[0] << " " << v[1] << " " << v[2] << std::endl;
                
                TVector3 endPoint(myPoint->GetPosition());
                //fPro->SetPoint(endPoint);
                //fPro->PropagateToPCA(1);
                
                fPro->PropagateToPlane(o, u, v);
                if(fCharge>0)fPro->Propagate(fStart, fRes, 211);
                if(fCharge<0)fPro->Propagate(fStart, fRes, -211);
                
                std::cout << std::endl;
                std::cout << "Propagation Points: " << std::endl;
                std::cout << fRes->GetX() << " +/- " << fRes->GetDX() << std::endl;
                std::cout << fRes->GetY() << " +/- " << fRes->GetDY() << std::endl;
                std::cout << fRes->GetZ() << " +/- " << fRes->GetDZ() << std::endl;
                std::cout << std::endl;
                
                TVector3 global(fRes->GetX(), fRes->GetY(), fRes->GetZ());
                TVector3 local = fGeoH->MasterToLocalId(global, myPoint->GetDetName());
                
                std::cout << "Propagation Point local: " << std::endl;
                std::cout << local[0] << " " << local[1] << " " << local[2] << std::endl;
                std::cout << std::endl;
                }
              */
            }
          }
        fMCTracks->Delete();
        fMCHits->Delete();
        Finish();
        
        
}

void PndHypMSAnaTask::Finish()
{       fMCTracks->Delete();
        fMCHits->Delete();
}

std::map<int, std::vector<int> > PndHypMSAnaTask::AssignHitsToTracks()
{
        std::map<int, std::vector<int> > result;
        for (int i = 0; i < fMCHits->GetEntriesFast(); i++){                                                                                    //get all MC Hits
                PndHypPoint* myPoint = (PndHypPoint*)(fMCHits->At(i));                                                                  //sort MCHits with Tracks
                //if(myPoint->GetTrackID()>1000)continue;
                TVector3 mom;
                myPoint->Momentum(mom);
                
                //      if(mom.Mag()>0.05){
                //std::cout<<" hyp "<<myPoint->GetTrackID()<<std::endl;
                  //}
                
                  PndMCTrack* myTrack = (PndMCTrack*)(fMCTracks->At(myPoint->GetTrackID()));
                  result[myPoint->GetTrackID()].push_back(i);
                  //}
                
        }
        return result;
        //result.clear();
}

void PndHypMSAnaTask::WriteHistograms(){
          TFile* file = FairRootManager::Instance()->GetOutFile();
          file->cd();
          file->mkdir("Dedx_detid");
          file->cd("Dedx_detid");
        
          histo->Write();
          delete histo;
          histo=NULL; 
}


ClassImp(PndHypMSAnaTask);