PndMvdSttGemRiemannTrackFinderTask.cxx

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#include "PndMvdSttGemRiemannTrackFinderTask.h"

#include <iostream>

// Root includes
#include "TROOT.h"
#include "TString.h"
#include "TClonesArray.h"
#include "TParticlePDG.h"

// framework includes
#include "FairRootManager.h"
#include "FairRun.h"
#include "FairRuntimeDb.h"
#include "FairRunAna.h"

// PndMvd includes
#include "PndTrackCand.h"
#include "PndMvdSttGemRiemannTrackFinder.h"
#include "PndSttHit.h"

#include "PndSttMapCreator.h"


PndMvdSttGemRiemannTrackFinderTask::PndMvdSttGemRiemannTrackFinderTask() :
        FairTask("MVD Riemann Track Finder"), 
    fHitBranch(),
    fTrackBranch(""),
    fEventNr(0),
    fMaxSZChi2(1),
    fMaxSZDist(10),
    fMinPointDist(1),
    fMaxDist(1),
    fB(2.), 
    fHitArray(),
          fTrackCandArray(NULL),
          fRiemannTrackArray(NULL),
          fTrackArray(NULL),
          fCorrectedSttHitArray(NULL),
          fCutDistH(NULL),
          fCutChi2H(NULL),
          fInitDone(kFALSE),
          fPersistence(kTRUE),
          fStopFunctor(NULL),
          fTimeGapFunctor(NULL),
          fSttParameters(NULL),
          fTubeArray(NULL)
{
  PndGeoHandling::Instance();
}

PndMvdSttGemRiemannTrackFinderTask::~PndMvdSttGemRiemannTrackFinderTask()
{
}

void PndMvdSttGemRiemannTrackFinderTask::SetParContainers()
{
  FairRuntimeDb* rtdb = FairRunAna::Instance()->GetRuntimeDb();
  fSttParameters = (PndGeoSttPar*) rtdb->getContainer("PndGeoSttPar");
}

InitStatus PndMvdSttGemRiemannTrackFinderTask::ReInit()
{
  InitStatus stat=kSUCCESS;
  return stat;
}

// -----   Public method Init   --------------------------------------------
InitStatus PndMvdSttGemRiemannTrackFinderTask::Init()
{
  FairRootManager* ioman = FairRootManager::Instance();

  if ( ! ioman )
    {
      std::cout << "-E- PndMvdSttGemRiemannTrackFinderTask::Init: "
     << "RootManager not instantiated!" << std::endl;
      return kFATAL;
    }

  // Get input array
//  if (FairRunAna::Instance()->IsTimeStamp()){
//        if (fTimeBasedHitBranch.size() == 0){
//                std::cout << "-W- PndMvdSttGemRiemannTrackFinderTask::Init: " << "No Branch Names given with AddHitBranch(TString branchName)! Standard BranchNames taken!" << std::endl;
//                fTimeBasedHitBranch.push_back(FairTSBufferParameters("MVDHitsPixel", new TimeGap(), 10));
//        }
//  }
  if (fHitBranch.size() == 0){
          std::cout << "-W- PndMvdSttGemRiemannTrackFinderTask::Init: " << "No Branch Names given with AddHitBranch(TString branchName)! Standard BranchNames taken!" << std::endl;
          fHitBranch.push_back("MVDHitsPixel");
          fHitBranch.push_back("MVDHitsStrip");
          fHitBranch.push_back("STTHit");
          fHitBranch.push_back("GEMHit");
          fHitBranch.push_back("STTCombinedSkewedHits");
  }

  for (int i = 0; i < (int)fHitBranch.size(); i++){
          InitHitArray(fHitBranch[i]);
  }



  fTrackCandArray = new TClonesArray("PndTrackCand");
  ioman->Register("MVDRiemannTrackCand", "MVD", fTrackCandArray, fPersistence);

  fTrackArray = new TClonesArray("PndTrack");
  ioman->Register("MVDTrack", "MVD", fTrackArray, fPersistence);

  fCorrectedSttHitArray = new TClonesArray("FairHit");
  ioman->Register("CorrectedSttHit", "Stt", fCorrectedSttHitArray, kTRUE);

//  fRiemannTrackArray = new TClonesArray("PndRiemannTrack");
//  ioman->Register("MVDRiemannTrack", "MVD", fRiemannTrackArray, kTRUE);


  fStopFunctor= new StopTime();
  fTimeGapFunctor = new TimeGap();

  PndSttMapCreator *mapper = new PndSttMapCreator(fSttParameters);
  fTubeArray = mapper->FillTubeArray();

  std::cout << "-I- PndMvdSttGemRiemannTrackFinderTask: Initialisation successfull" << std::endl;
  fInitDone = kTRUE;
  return kSUCCESS;
}

void PndMvdSttGemRiemannTrackFinderTask::AddHitBranch(TString branchName)
{
        if (fInitDone == kFALSE)
                fHitBranch.push_back(branchName);
        else
                std::cout << "-W- AddHitBranch has to be called before the Init() of the task!" << std::endl;
}

//void PndMvdSttGemRiemannTrackFinderTask::AddHitBranch(FairTSBufferParameters param)
//{
//      if (fInitDone == kFALSE)
//              fTimeBasedHitBranch.push_back(param);
//      else
//              std::cout << "-W- AddHitBranch has to be called before the Init() of the task!" << std::endl;
//}

// -----   Public method Exec   --------------------------------------------
void PndMvdSttGemRiemannTrackFinderTask::Exec(Option_t*)
{

//      SetVerbose(0);
  // Reset output array
  if ( ! fTrackCandArray )
    Fatal("Exec", "No trackCandArray");

  fTrackCandArray->Delete();
  fTrackArray->Delete();
 // fRiemannTrackArray->Delete();

  PndMvdSttGemRiemannTrackFinder trackFinder;
  trackFinder.SetVerbose(fVerbose);
  trackFinder.SetSttTubeArray(fTubeArray);

  FillHitArray();

  FairRootManager *ioman = FairRootManager::Instance();

  if (fVerbose > 0) {
          std::cout << std::endl;
          std::cout << "------------- event " << fEventNr++ << "----------------" << std::endl;
  }

  for (int i = 0; i < (int)fHitBranch.size(); i++){
          trackFinder.AddHits(fHitArray[i], ioman->GetBranchId(fHitBranch[i]));
          if (fVerbose > 1) std::cout << "TrackFinder.AddHits: " << ioman->GetBranchId(fHitBranch[i]) << std::endl;
  }
  trackFinder.SetMaxSZChi2(fMaxSZChi2);
  trackFinder.SetMinPointDist(fMinPointDist);
  trackFinder.SetMaxPlaneDistance(fMaxDist);
  trackFinder.SetMaxSZDist(fMaxSZDist);
  trackFinder.SetVerbose(fVerbose);
  trackFinder.SetMinNumberOfHits(4);
  //trackFinder.SetGeoH(fGeoH);

  trackFinder.SetCutDistH(fCutDistH);
  trackFinder.SetCutChi2H(fCutChi2H);

  trackFinder.FindTracks();


  if (fVerbose > 0) std::cout << " -I- PndMvdSttGemRiemannTrackFinderTask::Exec : Found Tracks: " << trackFinder.NTracks() << " in event no. " << fEventNr << std::endl;
  if (fVerbose > 0) std::cout << " -I- PndMvdSttGemRiemannTrackFinderTask::Exec : ----------------" << std::endl;


  for (int i = 0; i < trackFinder.NTracks(); i++){
          PndTrackCand* myCand = new ((*fTrackCandArray)[i])PndTrackCand(trackFinder.GetTrackCand(i));
//        if (fVerbose > 1)
//        {
//                std::cout << "Track " << i << std::endl;
//                std::cout << "Links: ";
//                ((FairMultiLinkedData*) myCand)->Print();
//                std::cout << std::endl;
//        }

          myCand->CalcTimeStamp();
//        if (fVerbose > 1)
//                trackFinder.GetTrack(i).Print();
          //PndRiemannTrack myTrack = trackFinder.GetTrack(i);

          PndTrack* myTrack = new ((*fTrackArray)[i])PndTrack(trackFinder.GetPndTrack(i, fB));
          if (myCand->GetTimeStamp() == 0){
                  myTrack->SetTimeStamp(0.0001 * (i+1));
                  myCand->SetTimeStamp(0.0001 * (i+1));

          } else {
                  myTrack->SetTimeStamp(myCand->GetTimeStamp());
                  myTrack->SetTimeStampError(myCand->GetTimeStampError());
          }
          myTrack->SetLink(FairLink("MVDRiemannTrackCand", i));
          myTrack->SetTrackCandRef(myCand);
          myTrack->SetTrackCand(*myCand);

          if (fVerbose > 1) {
                  std::cout << i << ": ";
                  myTrack->Print();
          }

          for (size_t j = 0; j < myCand->GetNHits(); j++){
                  if (myCand->GetLink(j).GetType() == FairRootManager::Instance()->GetBranchId("STTHit")){
                          PndSttHit* mySttHit = (PndSttHit*)FairRootManager::Instance()->GetCloneOfLinkData(myCand->GetLink(j));
                          PndRiemannTrack myRiemannTrack = trackFinder.GetTrack(i);
                          PndRiemannHit correctedSttHit = myRiemannTrack.correctSttHit(mySttHit);
                          FairHit correctedFairHit;
                          correctedFairHit.SetXYZ(correctedSttHit.x().X(), correctedSttHit.x().Y(), correctedSttHit.z());
//                        std::cout << "PndMvdSttGemRiemannTrackFinderTask::Exec Correction: " << mySttHit->GetX() << "/" << mySttHit->GetY() << "/" << mySttHit->GetZ()
//                                          << " CorrectedHit: " << correctedFairHit.GetX() << "/"<< correctedFairHit.GetY() << "/" << correctedFairHit.GetZ()<< std::endl;

//                        Fair1Hit* copyHit = new((*fCorrectedSttHitArray)[fCorrectedSttHitArray->GetEntriesFast()])FairHit(correctedFairHit);

                  }
          }
//        PndRiemannTrack* newTrack = new ((*fRiemannTrackArray)[i])PndRiemannTrack();
//        TVectorD origin = myTrack.orig();
//        newTrack->init(origin[0], origin[1], myTrack.r(), myTrack.dip(), 0);
//        for (int j = 0; j < myTrack.getNumHits(); j++){
//                newTrack->addHit(*myTrack.getHit(j));
//        }
  }
  fTrackCandArray->Sort();
  fTrackArray->Sort();

  for (int i = 0; i < fTrackCandArray->GetEntriesFast(); i++){
          PndTrackCand* myCand =(PndTrackCand*)fTrackCandArray->At(i);
          if (fVerbose > 1)
          {
                  std::cout << "Track " << i << std::endl;
                  std::cout << "Links: ";
                  ((FairMultiLinkedData*) myCand)->Print();
                  std::cout << std::endl;
          }
  }
}

void PndMvdSttGemRiemannTrackFinderTask::FinishEvent()
{
        fTrackCandArray->Delete();
        fTrackArray->Delete();
        fCorrectedSttHitArray->Delete();
//      fRiemannTrackArray->Delete();
}

void PndMvdSttGemRiemannTrackFinderTask::InitHitArray(TString branchName)
{
          TClonesArray* tempArray = (TClonesArray*) FairRootManager::Instance()->GetObject(branchName);
          if (tempArray == 0){
                  std::cout << "-W- PndMvdSttGemRiemannTrackFinderTask::Init: " << "No hitArray for BranchName " << branchName.Data() << std::endl;
          }
          fHitArray.push_back(tempArray);
}

void PndMvdSttGemRiemannTrackFinderTask::FillHitArray()
{
        Double_t eventTime = -1;
        if (FairRunAna::Instance()->IsTimeStamp()){
                fHitArray[0]->Delete();
                fHitArray[1]->Delete();

                fHitArray[0] = FairRootManager::Instance()->GetData("MVDHitsPixel", fTimeGapFunctor, 10); //FairRootManager::Instance()->GetEventTime() +
                std::cout << "PixelHits: " << fHitArray[0]->GetEntriesFast() << std::endl;
                if (fHitArray[0]->GetEntriesFast() > 1){
                        FairTimeStamp* data = (FairTimeStamp*)fHitArray[0]->At(1);
                        eventTime = data->GetTimeStamp();
                        std::cout << "EventTime: " << eventTime << std::endl;
                        fHitArray[1] = FairRootManager::Instance()->GetData("MVDHitsStrip", fStopFunctor, eventTime - 10, fStopFunctor, eventTime + 10);
                        std::cout << "StripHits: " << fHitArray[1]->GetEntriesFast() << std::endl;
                }
        }
}

ClassImp(PndMvdSttGemRiemannTrackFinderTask);