Ex02TrackerSD Class Reference

The tracker sensitive detector. More...

#include <Ex02TrackerSD.h>

Inheritance diagram for Ex02TrackerSD:

Public Member Functions
	Ex02TrackerSD (const char *name)
	Ex02TrackerSD (const Ex02TrackerSD &origin)
	Ex02TrackerSD ()
virtual	~Ex02TrackerSD ()
void	Initialize ()
Bool_t	ProcessHits ()
void	EndOfEvent ()
void	Register ()
virtual void	Print (const Option_t *option=0) const
void	SetVerboseLevel (Int_t level)

Private Member Functions
Ex02TrackerHit *	AddHit ()

Private Attributes
TClonesArray *	fTrackerCollection
	Hits collection.
Int_t	fSensitiveVolumeID
	Sensitive volume Id.
Int_t	fVerboseLevel
	Verbosity level.

Detailed Description

The tracker sensitive detector.

Date

21/04/2002

Author

I. Hrivnacova; IPN, Orsay

Definition at line 33 of file Ex02TrackerSD.h.

Constructor & Destructor Documentation

Ex02TrackerSD() [1/3]

Ex02TrackerSD::Ex02TrackerSD

(

const char *

name

)

Standard constructor

Parameters

name	The tracker hits collection name

Definition at line 37 of file Ex02TrackerSD.cxx.

  : TNamed(name, ""),
    fTrackerCollection(0),
    fSensitiveVolumeID(-1),
    fVerboseLevel(1)
{
  /// Standard constructor
  /// \param name  The tracker hits collection name
}

Ex02TrackerSD() [2/3]

Ex02TrackerSD::Ex02TrackerSD

(

const Ex02TrackerSD &

origin

)

Copy constructor (for clonig on worker thread in MT mode).

Parameters

origin

The source object (on master).

Definition at line 48 of file Ex02TrackerSD.cxx.

  : TNamed(origin.GetName(), origin.GetTitle()),
    fTrackerCollection(0),
    fSensitiveVolumeID(-1),
    fVerboseLevel(1)
{
  /// Copy constructor (for clonig on worker thread in MT mode).
  /// \param origin  The source object (on master).
}

Ex02TrackerSD() [3/3]

Ex02TrackerSD::Ex02TrackerSD

(

)

Default constructor

Definition at line 59 of file Ex02TrackerSD.cxx.

  : TNamed(), fTrackerCollection(0), fSensitiveVolumeID(-1), fVerboseLevel(1)
{
  /// Default constructor
}

~Ex02TrackerSD()

Ex02TrackerSD::~Ex02TrackerSD ( )

virtual

Destructor

Definition at line 66 of file Ex02TrackerSD.cxx.

{
  /// Destructor
}

Member Function Documentation

Initialize()

void Ex02TrackerSD::Initialize

(

)

Register hits collection in the Root manager; set sensitive volumes.

Definition at line 92 of file Ex02TrackerSD.cxx.

{
  /// Register hits collection in the Root manager;
  /// set sensitive volumes.
 
  static __thread Bool_t registered = false;
  if (!registered) {
    // cout << "... creating TClonesArray" << endl;
 
    // Lock Root when creating data - seems not to be needed ?
    fTrackerCollection = new TClonesArray("Ex02TrackerHit");
 
    // Register to Root IO only if RootManager is instantiated
    if (TMCRootManager::Instance()) Register();
    registered = true;
  }
 
  fSensitiveVolumeID = gMC->VolId("CHMB");
}

ProcessHits()

Bool_t Ex02TrackerSD::ProcessHits

(

)

Create hits (in stepping).

Definition at line 113 of file Ex02TrackerSD.cxx.

{
  /// Create hits (in stepping).
 
  Int_t copyNo;
  Int_t id = gMC->CurrentVolID(copyNo);
 
  if (id != fSensitiveVolumeID) return false;
 
  Double_t edep = gMC->Edep();
 
  if (edep == 0.) return false;
 
  Ex02TrackerHit* newHit = AddHit();
 
  // Track ID
  newHit->SetTrackID(gMC->GetStack()->GetCurrentTrackNumber());
 
  // Chamber no
  newHit->SetChamberNb(copyNo);
 
  // Energy deposit
  newHit->SetEdep(edep);
 
  // Position
  TLorentzVector pos;
  gMC->TrackPosition(pos);
  newHit->SetPos(TVector3(pos.X(), pos.Y(), pos.Z()));
 
  // newHit->Print();
  // newHit->Draw();
 
  return true;
}

EndOfEvent()

void Ex02TrackerSD::EndOfEvent

(

)

Print hits collection (if verbose) and delete hits afterwards.

Definition at line 149 of file Ex02TrackerSD.cxx.

{
  /// Print hits collection (if verbose)
  /// and delete hits afterwards.
 
  if (fVerboseLevel > 0) Print();
 
  // Reset hits collection
  fTrackerCollection->Clear();
}

Register()

void Ex02TrackerSD::Register

(

)

Register the hits collection in the Root manager.

Definition at line 161 of file Ex02TrackerSD.cxx.

{
  /// Register the hits collection in the Root manager.
 
  TMCRootManager::Instance()->Register(
    "hits", "TClonesArray", &fTrackerCollection);
}

Print()

void Ex02TrackerSD::Print ( const Option_t * option = 0 ) const

virtual

Print the hits collection.

Definition at line 170 of file Ex02TrackerSD.cxx.

{
  /// Print the hits collection.
 
  Int_t nofHits = fTrackerCollection->GetEntriesFast();
 
  cout << "\n-------->Hits Collection: in this event they are " << nofHits
       << " hits in the tracker chambers: " << endl;
 
  for (Int_t i = 0; i < nofHits; i++) (*fTrackerCollection)[i]->Print();
}

SetVerboseLevel()

void Ex02TrackerSD::SetVerboseLevel ( Int_t level )

inline

Set verbose level

Parameters

level

The new verbose level value

Definition at line 65 of file Ex02TrackerSD.h.

{
  fVerboseLevel = level;
}

AddHit()

Ex02TrackerHit * Ex02TrackerSD::AddHit ( )

private

Create a new hit in the TClonesArray.

Returns

The new hit

Definition at line 76 of file Ex02TrackerSD.cxx.

{
  /// Create a new hit in the TClonesArray.
  /// \return  The new hit
 
  TClonesArray& ref = *fTrackerCollection;
  Int_t size = ref.GetEntriesFast();
 
  return new (ref[size]) Ex02TrackerHit();
}

Member Data Documentation

fTrackerCollection

TClonesArray* Ex02TrackerSD::fTrackerCollection

private

Hits collection.

Definition at line 56 of file Ex02TrackerSD.h.

fSensitiveVolumeID

Int_t Ex02TrackerSD::fSensitiveVolumeID

private

Sensitive volume Id.

Definition at line 57 of file Ex02TrackerSD.h.

fVerboseLevel

Int_t Ex02TrackerSD::fVerboseLevel

private

Verbosity level.

Definition at line 58 of file Ex02TrackerSD.h.

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

• examples/E02/include/Ex02TrackerSD.h
• examples/E02/src/Ex02TrackerSD.cxx