G4VContinuousDiscreteProcess.cc

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//
// G4VContinuousDiscreteProcess class implementation
//
// Authors:
// - 2 December 1995, G.Cosmo - First implementation, based on object model
// - 8 January 1997, H.Kurashige - New Physics scheme
// --------------------------------------------------------------------
 
#include "G4VContinuousDiscreteProcess.hh"
#include "G4SystemOfUnits.hh"
 
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4MaterialTable.hh"
#include "G4VParticleChange.hh"
 
// --------------------------------------------------------------------
G4VContinuousDiscreteProcess::G4VContinuousDiscreteProcess()
  : G4VProcess("No Name Discrete Process")
{
  G4Exception("G4VContinuousDiscreteProcess::G4VContinuousDiscreteProcess()",
              "ProcMan102", JustWarning, "Default constructor is called");
}
 
// --------------------------------------------------------------------
G4VContinuousDiscreteProcess::
G4VContinuousDiscreteProcess(const G4String& aName, G4ProcessType aType)
  : G4VProcess(aName, aType)
{
  enableAtRestDoIt = false;
}
 
// --------------------------------------------------------------------
G4VContinuousDiscreteProcess::~G4VContinuousDiscreteProcess()
{
}
 
// --------------------------------------------------------------------
G4VContinuousDiscreteProcess::
G4VContinuousDiscreteProcess(G4VContinuousDiscreteProcess& right)
  : G4VProcess(right),
    valueGPILSelection(right.valueGPILSelection)
{
}
 
// --------------------------------------------------------------------
G4double G4VContinuousDiscreteProcess::
PostStepGetPhysicalInteractionLength( const G4Track& track,
                                      G4double   previousStepSize,
                                      G4ForceCondition* condition )
{
  if ( (previousStepSize <=0.0) || (theNumberOfInteractionLengthLeft<=0.0))
  {
    // beginning of tracking (or just after DoIt() of this process)
    ResetNumberOfInteractionLengthLeft();
  }
  else if ( previousStepSize > 0.0)
  {
    // subtract NumberOfInteractionLengthLeft 
    SubtractNumberOfInteractionLengthLeft(previousStepSize);
  }
  else
  {
    // zero step
    // DO NOTHING
  }
 
  // condition is set to "Not Forced"
  *condition = NotForced;
 
  // get mean free path
  currentInteractionLength = GetMeanFreePath(track,previousStepSize,condition);
 
  G4double value;
  if (currentInteractionLength < DBL_MAX)
  {
    value = theNumberOfInteractionLengthLeft * currentInteractionLength;
  }
  else
  {
    value = DBL_MAX;
  }
#ifdef G4VERBOSE
  if (verboseLevel>1)
  {
    G4cout << "G4VContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength() - ";
    G4cout << "[ " << GetProcessName() << "]" << G4endl;
    track.GetDynamicParticle()->DumpInfo();
    G4cout << " in Material  " <<  track.GetMaterial()->GetName() << G4endl;
    G4cout << "InteractionLength= " << value/cm <<"[cm] " << G4endl;
  }
#endif
  return value;
}
 
// --------------------------------------------------------------------
G4VParticleChange*
G4VContinuousDiscreteProcess::PostStepDoIt( const G4Track& ,
                                            const G4Step& )
{ 
  // clear  NumberOfInteractionLengthLeft
  ClearNumberOfInteractionLengthLeft();
 
  return pParticleChange;
}
 
// --------------------------------------------------------------------
G4VParticleChange*
G4VContinuousDiscreteProcess::AlongStepDoIt( const G4Track& ,
                                             const G4Step& )
{ 
  // clear  NumberOfInteractionLengthLeft
  ClearNumberOfInteractionLengthLeft();
 
  return pParticleChange;
}
 
// --------------------------------------------------------------------
G4double G4VContinuousDiscreteProcess::
AlongStepGetPhysicalInteractionLength( const G4Track& track,
                                       G4double previousStepSize,
                                       G4double currentMinimumStep,
                                       G4double& currentSafety,
                                       G4GPILSelection* selection )
{
  // GPILSelection is set to defaule value of CandidateForSelection
  valueGPILSelection = CandidateForSelection;
 
  // get Step limit proposed by the process
  G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep,currentSafety);
 
  // set return value for G4GPILSelection
  *selection = valueGPILSelection;
 
#ifdef G4VERBOSE
  if (verboseLevel>1)
  {
    G4cout << "G4VContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength() - ";
    G4cout << "[ " << GetProcessName() << "]" << G4endl;
    track.GetDynamicParticle()->DumpInfo();
    G4cout << " in Material  " <<  track.GetMaterial()->GetName() << G4endl;
    G4cout << "IntractionLength= " << steplength/cm <<"[cm] " << G4endl;
  }
#endif
  return  steplength;
}