// @(#)root/mc:$Name:  $:$Id: TMCVerbose.cxx,v 1.3 2003/03/01 22:36:38 brun Exp $
// Author: Ivana Hrivnacova, 27/03/2002

//
// Class TMCVerbose
// ----------------
// Class for printing detailed info from MC application.

#include "Riostream.h"
#include "TVirtualMC.h"
#include "TVirtualMCStack.h"
#include "TDatabasePDG.h"
#include "TParticlePDG.h"
#include "TArrayI.h"

#include "TMCVerbose.h"

ClassImp(TMCVerbose)

//_____________________________________________________________________________
 TMCVerbose::TMCVerbose(Int_t level) 
  : TObject(),
    fLevel(level),
    fStepNumber(0)
{
// Standard constructor
// ---

}

//_____________________________________________________________________________
 TMCVerbose::TMCVerbose()
  : TObject(),
    fLevel(0),
    fStepNumber(0)
{    
// Default constructor
// ---
}

//_____________________________________________________________________________
 TMCVerbose::~TMCVerbose() 
{
// Destructor  
// ---
}

//
// private methods
//

//_____________________________________________________________________________
 void TMCVerbose::PrintBanner() const
{
// Prints banner for track information
// ---

    cout << endl;
    for (Int_t i=0; i<10; i++) cout << "**********";
    cout << endl;
}

//_____________________________________________________________________________
 void TMCVerbose::PrintTrackInfo() const
{
// Prints track information
// ---

  // Particle   
  //  
  cout << "  Particle = ";
  TParticlePDG* particle 
    = TDatabasePDG::Instance()->GetParticle(gMC->TrackPid());
  if (particle)
    cout << particle->GetName() << "  ";
  else  
    cout << "unknown" << "  ";
  
  // Track ID  
  //   
  cout << "   Track ID = " << gMC->GetStack()->CurrentTrack() << "  ";

  // Parent ID  
  //   
  cout << "   Parent ID = " << gMC->GetStack()->CurrentTrackParent();
}  

//_____________________________________________________________________________
 void TMCVerbose::PrintStepHeader() const
{
// Prints the header for stepping information
// ---

  cout << "Step#     "
       << "X(cm)    "
       << "Y(cm)    "
       << "Z(cm)  "
       << "KinE(MeV)   "
       << "dE(MeV) "
       << "Step(cm) "
       << "TrackL(cm) "
       << "Volume  "
       << "Process "  
       << endl;
}

//
// public methods
//

//_____________________________________________________________________________
 void TMCVerbose::InitMC()
{    
// Initialize MC info.
// ---

  if (fLevel>0) 
    cout << "--- Init MC " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::RunMC(Int_t nofEvents)
{    
// MC run info.
// ---

  if (fLevel>0) 
    cout << "--- Run MC for " << nofEvents << " events" << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::FinishRun()
{    
// Finish MC run info.
// ---

  if (fLevel>0) 
    cout << "--- Finish Run MC " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::ConstructGeometry()
{    
// Construct geometry info
// ---

  if (fLevel>0) 
    cout << "--- Construct geometry " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::InitGeometry()
{    
// Initialize geometry info
// ---
  
  if (fLevel>0) 
    cout << "--- Init geometry " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::GeneratePrimaries()
{    
// Generate primaries info
// ---
  
  if (fLevel>0) 
    cout << "--- Generate primaries " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::BeginEvent()
{    
// Begin event info
// ---

  if (fLevel>0) 
    cout << "--- Begin event " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::BeginPrimary()
{    
// Begin of a primary track info
// ---

  if (fLevel>1) 
    cout << "--- Begin primary " << endl; 
}

//_____________________________________________________________________________
 void TMCVerbose::PreTrack()
{    
// Begin of each track info
// ---

  if (fLevel>2) { 
    PrintBanner();
    PrintTrackInfo();
    PrintBanner();
    PrintStepHeader();
    
    fStepNumber = 0;
    
    return;
  }    

  if (fLevel>1) 
    cout << "--- Pre track " << endl;
}

//_____________________________________________________________________________
 void TMCVerbose::Stepping()
{    
// Stepping info
// ---

  if (fLevel>2) {
  
#if __GNUC__ >= 3
    cout << std::fixed;
#endif
    
    // Step number
    // 
    cout << "#" << setw(4) << fStepNumber++ << "  ";

    // Position
    //
    Double_t x, y, z;
    gMC->TrackPosition(x, y, z);
    cout << setw(8) << setprecision(3) << x << " " 
	 << setw(8) << setprecision(3) << y << " " 
	 << setw(8) << setprecision(3) << z << "  ";
	 
    // Kinetic energy
    //	 
    Double_t px, py, pz, etot;
    gMC->TrackMomentum(px, py, pz, etot);
    Double_t ekin = etot - gMC->TrackMass(); 
    cout << setw(9) << setprecision(4) << ekin*1e03 << " "; 
   
    // Energy deposit
    //	 
    cout << setw(9) << setprecision(4) << gMC->Edep()*1e03 << " "; 
   
    // Step length
    //	 
    cout << setw(8) << setprecision(3) << gMC->TrackStep() << " ";
	 
    // Track length
    //	 
    cout << setw(8) << setprecision(3) << gMC->TrackLength() << "     ";

    // Volume
    //	 
    cout << setw(4) << gMC->CurrentVolName() << "  ";

    // Process  
    //	 
    TArrayI processes;
    Int_t nofProcesses = gMC->StepProcesses(processes);
    if (nofProcesses > 0)
      cout << TMCProcessName[processes[nofProcesses-1]];

    cout << endl;
  }
}

//_____________________________________________________________________________
 void TMCVerbose::PostTrack()
{    
// Finish of each track info
// ---

  if (fLevel==2) 
    cout << "--- Post track " << endl;
}

//_____________________________________________________________________________
 void TMCVerbose::FinishPrimary()
{    
// Finish of a primary track info
// ---

  if (fLevel==2) 
    cout << "--- Finish primary " << endl;
}

//_____________________________________________________________________________
 void TMCVerbose::FinishEvent()
{    
// Finish of an event info
// ---

  if (fLevel>0) 
    cout << "--- Finish event " << endl;
} 



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