PndMvdEventMerger Class Reference

#include <PndMvdEventMerger.h>

Public Member Functions
	PndMvdEventMerger ()
	PndMvdEventMerger (TString fileName, TString branchName, Int_t nEvents, Int_t nMerged)
virtual	~PndMvdEventMerger ()
TClonesArray *	GetEvent (Int_t iEvent)
Int_t	AddTClonesArray (TClonesArray *target, TClonesArray *source)

Private Member Functions
Int_t	FillBuffer (TString fileName, TString branchName, Int_t nEvents, Int_t nMerged)
	ClassDef (PndMvdEventMerger, 1)

Private Attributes
std::vector< TClonesArray * >	fBuffer

Detailed Description

Definition at line 11 of file PndMvdEventMerger.h.

Constructor & Destructor Documentation

PndMvdEventMerger::PndMvdEventMerger

(

)

Definition at line 12 of file PndMvdEventMerger.cxx.

{
        //fBuffer     = 0;
        //fBuffer = new TObjArray();
}

PndMvdEventMerger::PndMvdEventMerger	(	TString	fileName,
		TString	branchName,
		Int_t	nEvents,
		Int_t	nMerged
	)

Definition at line 17 of file PndMvdEventMerger.cxx.

References FillBuffer().

{
//      fBuffer = new TObjArray();
        if ( ! FillBuffer(fileName, branchName, nEvents, nMerged) )
                cout << "-E- PndMvdEventMerger: Error in filling buffer";
}

PndMvdEventMerger::~PndMvdEventMerger ( )

virtual

Definition at line 23 of file PndMvdEventMerger.cxx.

{
        //fBuffer->Delete();
        //delete fBuffer;
        //fBuffer = 0;
}

Member Function Documentation

Int_t PndMvdEventMerger::AddTClonesArray	(	TClonesArray *	target,
		TClonesArray *	source
	)

Definition at line 126 of file PndMvdEventMerger.cxx.

References i, and TString.

Referenced by PndMvdEventMergerTask::Exec(), and FillBuffer().

{
        Int_t origSize = target->GetEntriesFast();
        for (int i = 0; i < source->GetEntriesFast(); i++){
                std::cout << source->GetClass()->GetName() << std::endl;
                TString myClassName(source->GetClass()->GetName());
                if(myClassName.Contains("PndSdsMCPoint"))
                        new ((*target)[origSize + i])PndSdsMCPoint(*(PndSdsMCPoint*)(source->At(i)));
                else if (myClassName.Contains("PndSdsDigiPixel"))
                        new ((*target)[origSize + i])PndSdsDigiPixel(*(PndSdsDigiPixel*)(source->At(i)));
                else if (myClassName.Contains("PndSdsDigiStrip"))
                        new ((*target)[origSize + i])PndSdsDigiStrip(*(PndSdsDigiStrip*)(source->At(i)));
//              else if (myClassName.Contains("PndTpcPoint"))
//                      new ((*target)[origSize + i])PndTpcPoint(*(PndTpcPoint*)(source->At(i)));
//              else if (myClassName.Contains("PndTpcCluster"))
//                      new ((*target)[origSize + i])PndTpcCluster(*(PndTpcCluster*)(source->At(i)));
                else std::cout << "The Class: " << myClassName << " is unknown!" << std::endl;

        }
        return target->GetEntriesFast();
}

PndMvdEventMerger::ClassDef ( PndMvdEventMerger  , 1    )

private

Int_t PndMvdEventMerger::FillBuffer ( TString  fileName, TString  branchName, Int_t  nEvents, Int_t  nMerged  )

private

Definition at line 56 of file PndMvdEventMerger.cxx.

References AddTClonesArray(), fBuffer, and CAMath::Min().

Referenced by PndMvdEventMerger().

{
        //if ( !fBuffer)
        //      cout << "-E- Fill Buffer: No event buffer!";

        //fBuffer->Delete();


        TClonesArray* pointArray= NULL;
        TClonesArray* mergedPointsArray = NULL;
        //TFile* saveGFile = gFile;

        TFile* bgfile = new TFile(fileName);
        if ( !bgfile)
        {
                cout << "-W- CbmMvdPileupManager::FillBuffer:  Background file "
                                << fileName << " could noy be opened! " << endl;
                return 0;
        }
        cout << "-I- CbmMvdPileupManager::FillBuffer: Opening file " << endl;
        cout << fileName << endl;

        TTree* bgtree = (TTree*) bgfile->Get("pndsim");
        if ( !bgtree)
        {
                cout << "-W- CbmMvdPileupManager::FillBuffer:  "
                                << "Could not find pndsim tree in background file " << endl;
                return 0;
        }

        Int_t nEventsInFile = bgtree->GetEntries();
        cout << "-I- CbmMvdPileupManager::FillBuffer: " << nEventsInFile
                        << " events in file" << endl;
        Int_t nBuffer = TMath::Min(nEvents, nEventsInFile);
        cout << "-I- CbmMvdPileupManager::FillBuffer: Buffering " << nBuffer
                        << " events" << endl;

        Int_t nMergedBuffer = TMath::Min(nMerged, nEventsInFile);


        bgtree->SetBranchAddress(branchName, &pointArray);

        for (Int_t iEvent=0; iEvent<nMergedBuffer; iEvent++)
        {
                bgtree->GetEntry(iEvent);
                if (iEvent == 0)
                        mergedPointsArray = (TClonesArray*)pointArray->Clone();
                else {
                        std::cout << "New size of mergedPointsArray: " << AddTClonesArray(mergedPointsArray, pointArray) << std::endl;
                }
        }


        //fBuffer = new TObjArray(nBuffer,0);
        for (Int_t iEvent=0; iEvent<nBuffer; iEvent++)
        {
                std::cout << "Adding Event: " << iEvent << " to buffer!" << std::endl;
                std::cout << "Merged PointsArray Size: " << mergedPointsArray->GetEntriesFast() << std::endl;
                //std::cout << fBuffer << std::endl;
                fBuffer.push_back((TClonesArray*)mergedPointsArray);
        }

//      delete bgtree;
        bgfile->Close();
//      delete bgfile;
//      saveGFile->cd();

        return nBuffer;
}

TClonesArray * PndMvdEventMerger::GetEvent

(

Int_t

iEvent

)

Definition at line 30 of file PndMvdEventMerger.cxx.

References fBuffer.

Referenced by PndMvdEventMergerTask::Exec().

{
        //if ( !fBuffer)
        //      std::cout << "-E- CbmMvdPileupManager::GetEvent: No event buffer!";

        if ((unsigned int)iEvent > fBuffer.size())
        {
                cout << "-W- CbmMvdPileupManager::GetEvent: Event " << iEvent
                                << " not present in buffer! " << endl;
                cout << "                                   Returning NULL pointer! "
                                << endl;
                return NULL;
        }

        TClonesArray* pArray = (TClonesArray*) fBuffer[iEvent];

        if ( !pArray)
        {
                cout << "-W CbmMvdPileupManager::GetEvent: Returning NULL pointer!"
                                << endl;
                return NULL;
        }

        return pArray;
}

Member Data Documentation

std::vector<TClonesArray*> PndMvdEventMerger::fBuffer

private

Definition at line 23 of file PndMvdEventMerger.h.

Referenced by FillBuffer(), and GetEvent().

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The documentation for this class was generated from the following files:

• PndMvdEventMerger.h
• PndMvdEventMerger.cxx