BmnArmTrig.cxx

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#include "FairGeoInterface.h"
#include "FairGeoLoader.h"
#include "FairGeoNode.h"
#include "TClonesArray.h"
#include "TGeoArb8.h"
#include "TGeoMCGeometry.h"
#include "TGeoManager.h"
#include "TLorentzVector.h"
#include "TParticle.h"
#include "TVirtualMC.h"
 
#include <iostream>
// #include "BmnArmTrigGeo.h"
#include "BmnArmTrig.h"
#include "BmnArmTrigPoint.h"
#include "CbmStack.h"
#include "FairGeoRootBuilder.h"
#include "FairMCPoint.h"
#include "FairRootManager.h"
#include "FairVolume.h"
#include "TVector3.h"
// add on for debug
// #include "FairGeoG3Builder.h"
#include "FairRun.h"
#include "FairRuntimeDb.h"
#include "TObjArray.h"
#include "TParticlePDG.h"
 
// -----   Default constructor   -------------------------------------------
 
BmnArmTrig::BmnArmTrig()
{
    fArmTrigCollection = new TClonesArray("BmnArmTrigPoint");
    volDetector = 0;
    fPosIndex = 0;
    // fpreflag = 0;
    // fpostflag = 0;
    // fEventID=-1;
    fVerboseLevel = 1;
}
// -------------------------------------------------------------------------
 
// -----   Standard constructor   ------------------------------------------
 
BmnArmTrig::BmnArmTrig(const char* name, Bool_t active)
    : FairDetector(name, active)
{
    fArmTrigCollection = new TClonesArray("BmnArmTrigPoint");
    fPosIndex = 0;
    volDetector = 0;
    // fpreflag = 0;
    // fpostflag = 0;
    // fEventID=-1;
    fVerboseLevel = 1;
}
// -------------------------------------------------------------------------
 
// -----   Destructor   ----------------------------------------------------
 
BmnArmTrig::~BmnArmTrig()
{
    if (fArmTrigCollection) {
        fArmTrigCollection->Delete();
        delete fArmTrigCollection;
    }
}
// -------------------------------------------------------------------------
 
// -----   Public method Intialize   ---------------------------------------
 
void BmnArmTrig::Initialize()
{
    // Init function
 
    FairDetector::Initialize();
    // FairRun* sim = FairRun::Instance();
    // FairRuntimeDb* rtdb = sim->GetRuntimeDb();
}
// -------------------------------------------------------------------------
 
void BmnArmTrig::BeginEvent()
{
    // Begin of the event
}
 
// -----   Public method ProcessHits  --------------------------------------
Bool_t BmnArmTrig::ProcessHits(FairVolume* vol)
{
 
    static Double_t timeIn;
    static Double_t timeOut;
    static Double_t lengthtrack;
 
    Int_t ivol = vol->getMCid();
 
    if (gMC->IsTrackEntering()) {
 
        ResetParameters();
 
        fELoss = 0.;
        fIsPrimary = 0;
        fCharge = -1;
        fPdgId = 0;
 
        lengthtrack = 0.;
 
        TLorentzVector PosIn;
        gMC->TrackPosition(PosIn);
        fPosIn.SetXYZ(PosIn.X(), PosIn.Y(), PosIn.Z());
 
        TLorentzVector MomIn;
        gMC->TrackMomentum(MomIn);
        fMomIn.SetXYZ(MomIn.Px(), MomIn.Py(), MomIn.Pz());
 
        timeIn = gMC->TrackTime() * 1.0e09;
 
        TParticle* part = 0;
        part = gMC->GetStack()->GetCurrentTrack();
 
        if (part) {
            fIsPrimary = (Int_t)part->IsPrimary();
            fCharge = (Int_t)part->GetPDG()->Charge() / 3.;
            fPdgId = (Int_t)part->GetPdgCode();
        }
    }
 
    Double_t eLoss = gMC->Edep();
    if (eLoss > 0)
        fELoss += eLoss;
 
    Double_t slengthtrack = gMC->TrackStep();
    lengthtrack += slengthtrack;
 
    if ((gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()) && (fELoss > 0)) {
        TLorentzVector PosOut;
        gMC->TrackPosition(PosOut);
        fPosOut.SetXYZ(PosOut.X(), PosOut.Y(), PosOut.Z());
 
        TLorentzVector MomOut;
        gMC->TrackMomentum(MomOut);
        fMomOut.SetXYZ(MomOut.Px(), MomOut.Py(), MomOut.Pz());
 
        timeOut = gMC->TrackTime() * 1.0e09;
 
        fTrackID = gMC->GetStack()->GetCurrentTrackNumber();
 
        Double_t time = gMC->TrackTime() * 1.0e09;
        Double_t length = gMC->TrackLength();
 
        Int_t copyNo = 0;
 
        Int_t iCell;
        gMC->CurrentVolOffID(1, iCell);
 
        AddHit(fTrackID, ivol, copyNo, fPosIn, fPosOut, fMomIn, fMomOut, time, length, fELoss, fIsPrimary, fCharge,
               fPdgId, timeIn, timeOut, lengthtrack);
 
        ((CbmStack*)gMC->GetStack())->AddPoint(kARMTRIG);
    }
 
    return kTRUE;
}
 
// -----   Public method EndOfEvent   -----------------------------------------
 
void BmnArmTrig::EndOfEvent()
{
    if (fVerboseLevel)
        Print("");
    Reset();
}
 
// -----   Public method Register   -------------------------------------------
 
void BmnArmTrig::Register()
{
    FairRootManager::Instance()->Register("ArmTrigPoint", "ArmTrig", fArmTrigCollection, kTRUE);
}
 
// -----   Public method GetCollection   --------------------------------------
 
TClonesArray* BmnArmTrig::GetCollection(Int_t iColl) const
{
    if (iColl == 0)
        return fArmTrigCollection;
 
    return NULL;
}
 
// -----   Public method Print   ----------------------------------------------
 
void BmnArmTrig::Print(Option_t*) const
{
    Int_t nHits = fArmTrigCollection->GetEntriesFast();
    cout << "-I- BmnArmTrig: " << nHits << " points registered in this event." << endl;
 
    if (fVerboseLevel > 1)
        for (Int_t i = 0; i < nHits; i++)
            (*fArmTrigCollection)[i]->Print();
}
 
// -----   Public method Reset   ----------------------------------------------
 
void BmnArmTrig::Reset()
{
    fArmTrigCollection->Delete();
 
    fPosIndex = 0;
}
 
// guarda in FairRootManager::CopyClones
// -----   Public method CopyClones   -----------------------------------------
 
void BmnArmTrig::CopyClones(TClonesArray* cl1, TClonesArray* cl2, Int_t offset)
{
    Int_t nEntries = cl1->GetEntriesFast();
    // cout << "-I- BmnArmTrig: " << nEntries << " entries to add." << endl;
    TClonesArray& clref = *cl2;
    BmnArmTrigPoint* oldpoint = NULL;
    for (Int_t i = 0; i < nEntries; i++) {
        oldpoint = (BmnArmTrigPoint*)cl1->At(i);
        Int_t index = oldpoint->GetTrackID() + offset;
        oldpoint->SetTrackID(index);
        new (clref[fPosIndex]) BmnArmTrigPoint(*oldpoint);
        fPosIndex++;
    }
    cout << " -I- BmnArmTrig: " << cl2->GetEntriesFast() << " merged entries." << endl;
}
 
//--------------------------------------------------------------------------------------------------------------------------------------
 
void BmnArmTrig::ConstructGeometry()
{
    TString fileName = GetGeometryFileName();
 
    cout << "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!" << fileName << endl;
 
    if (fileName.EndsWith(".root")) {
        LOG(info) << "Constructing ArmTrig geometry from ROOT file " << fileName.Data();
        ConstructRootGeometry();
    } else if (fileName.EndsWith(".geo")) {
        LOG(info) << "Constructing ArmTrig geometry from ASCII file " << fileName.Data();
        ConstructAsciiGeometry();
    } else
        LOG(fatal) << "Geometry format of ArmTrig file " << fileName.Data() << " not supported.";
}
//--------------------------------------------------------------------------------------------------------------------------------------
 
void BmnArmTrig::ConstructAsciiGeometry()
{
    //    FairGeoLoader* geoLoad = FairGeoLoader::Instance();
    //    FairGeoInterface* geoFace = geoLoad->getGeoInterface();
    //    BmnArmTrigGeo* ArmTrigGeo = new BmnArmTrigGeo();
    //    ArmTrigGeo->setGeomFile(GetGeometryFileName());
    //    geoFace->addGeoModule(ArmTrigGeo);
    //
    //    Bool_t rc = geoFace->readSet(ArmTrigGeo);
    //    if (rc) ArmTrigGeo->create(geoLoad->getGeoBuilder());
    //    TList* volList = ArmTrigGeo->getListOfVolumes();
    //
    //    // store geo parameter
    //    FairRun *fRun = FairRun::Instance();
    //    FairRuntimeDb *rtdb = FairRun::Instance()->GetRuntimeDb();
    //    BmnArmTrigGeoPar* par = (BmnArmTrigGeoPar*) (rtdb->getContainer("BmnArmTrigGeoPar"));
    //    TObjArray *fSensNodes = par->GetGeoSensitiveNodes();
    //    TObjArray *fPassNodes = par->GetGeoPassiveNodes();
    //
    //    TListIter iter(volList);
    //    FairGeoNode *node = nullptr;
    //    FairGeoVolume *aVol = nullptr;
    //
    //    while ((node = (FairGeoNode*) iter.Next())) {
    //        aVol = dynamic_cast<FairGeoVolume*> (node);
    //
    //        if (node->isSensitive()) fSensNodes->AddLast(aVol);
    //        else fPassNodes->AddLast(aVol);
    //    }
    //
    //    par->setChanged();
    //    par->setInputVersion(fRun->GetRunId(), 1);
    //    ProcessNodes(volList);
}
 
//--------------------------------------------------------------------------------------------------------------------------------------
 
Bool_t BmnArmTrig::CheckIfSensitive(std::string name)
{
    TString tsname = name;
    if (tsname.Contains("Active"))
        return kTRUE;
 
    return kFALSE;
}
//-------------------------------------------------------------------------
 
// -----   Private method AddHit   --------------------------------------------
 
BmnArmTrigPoint* BmnArmTrig::AddHit(Int_t trackID,
                                    Int_t detID,
                                    Int_t copyNo,
                                    TVector3 posIn,
                                    TVector3 posOut,
                                    TVector3 momIn,
                                    TVector3 momOut,
                                    Double_t time,
                                    Double_t length,
                                    Double_t eLoss,
                                    Bool_t isPrimary,
                                    Double_t charge,
                                    Int_t pdgId,
                                    Double_t timeIn,
                                    Double_t timeOut,
                                    Double_t lengthtrack)
{
 
    TClonesArray& clref = *fArmTrigCollection;
    Int_t size = clref.GetEntriesFast();
    return new (clref[size]) BmnArmTrigPoint(trackID, detID, copyNo, posIn, posOut, momIn, momOut, time, length, eLoss,
                                             isPrimary, charge, pdgId, timeIn, timeOut, lengthtrack);
}