G4VRestContinuousDiscreteProcess.cc

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00025 //
00026 //
00027 // $Id$
00028 //
00029 // 
00030 // --------------------------------------------------------------
00031 //      GEANT 4 class implementation file 
00032 //
00033 //      History: first implementation, based on object model of
00034 //      2nd December 1995, G.Cosmo
00035 // --------------------------------------------------------------
00036 //   New Physics scheme           8 Jan. 1997  H.Kurahige
00037 // ------------------------------------------------------------
00038 
00039 #include "G4VRestContinuousDiscreteProcess.hh"
00040 #include "G4SystemOfUnits.hh"
00041 
00042 #include "G4Step.hh"
00043 #include "G4Track.hh"
00044 #include "G4MaterialTable.hh"
00045 #include "G4VParticleChange.hh"
00046 
00047 G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess()
00048   :G4VProcess("No Name Discrete Process"),
00049    valueGPILSelection(CandidateForSelection) 
00050 {
00051   G4Exception("G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess()",
00052               "ProcMan102",JustWarning,"Default constructor is called");
00053 }
00054 
00055 G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess(const G4String& aName , G4ProcessType aType)
00056   : G4VProcess(aName, aType),
00057     valueGPILSelection(CandidateForSelection)
00058 {
00059 }
00060 
00061 G4VRestContinuousDiscreteProcess::~G4VRestContinuousDiscreteProcess()
00062 {
00063 }
00064 
00065 G4VRestContinuousDiscreteProcess::G4VRestContinuousDiscreteProcess(G4VRestContinuousDiscreteProcess& right)
00066   : G4VProcess(right),
00067     valueGPILSelection(right.valueGPILSelection)
00068 {
00069 }
00070 
00071 G4double G4VRestContinuousDiscreteProcess::AtRestGetPhysicalInteractionLength(
00072                              const G4Track& track,
00073                              G4ForceCondition* condition
00074                             )
00075 {
00076   // beggining of tracking 
00077   ResetNumberOfInteractionLengthLeft();
00078 
00079   // condition is set to "Not Forced"
00080   *condition = NotForced;
00081 
00082   // get mean life time
00083   currentInteractionLength = GetMeanLifeTime(track, condition);
00084 
00085 #ifdef G4VERBOSE
00086    if ((currentInteractionLength <0.0) || (verboseLevel>2)){
00087     G4cout << "G4VRestContinuousDiscreteProcess::AtRestGetPhysicalInteractionLength ";
00088     G4cout << "[ " << GetProcessName() << "]" <<G4endl;
00089     track.GetDynamicParticle()->DumpInfo();
00090     G4cout << " in Material  " << track.GetMaterial()->GetName() <<G4endl;
00091     G4cout << "MeanLifeTime = " << currentInteractionLength/ns << "[ns]" <<G4endl;
00092   }
00093 #endif
00094 
00095   return theNumberOfInteractionLengthLeft * currentInteractionLength;
00096 }
00097 
00098 
00099 G4VParticleChange* G4VRestContinuousDiscreteProcess::AtRestDoIt( 
00100                              const G4Track&,
00101                              const G4Step& 
00102                             )
00103 {
00104 //  clear NumberOfInteractionLengthLeft
00105     ClearNumberOfInteractionLengthLeft();
00106 
00107     return pParticleChange;
00108 }
00109 
00110 G4double G4VRestContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength(
00111                              const G4Track& track,
00112                              G4double previousStepSize,
00113                              G4double currentMinimumStep,
00114                              G4double& currentSafety,
00115                              G4GPILSelection* selection
00116                             )
00117 {
00118   // GPILSelection is set to defaule value of CandidateForSelection
00119   valueGPILSelection = CandidateForSelection;
00120 
00121   // get Step limit proposed by the process
00122   G4double steplength = GetContinuousStepLimit(track,previousStepSize,currentMinimumStep, currentSafety);
00123 
00124   // set return value for G4GPILSelection
00125   *selection = valueGPILSelection;
00126 
00127 #ifdef G4VERBOSE
00128   if (verboseLevel>1){
00129     G4cout << "G4VRestContinuousDiscreteProcess::AlongStepGetPhysicalInteractionLength ";
00130     G4cout << "[ " << GetProcessName() << "]" <<G4endl;
00131     track.GetDynamicParticle()->DumpInfo();
00132     G4cout << " in Material  " <<  track.GetMaterial()->GetName() <<G4endl;
00133     G4cout << "IntractionLength= " << steplength/cm <<"[cm] " <<G4endl;
00134   }
00135 #endif
00136   return  steplength ;
00137 }
00138 
00139  G4VParticleChange* G4VRestContinuousDiscreteProcess::AlongStepDoIt(
00140                              const G4Track& ,
00141                              const G4Step& 
00142                             )
00143 { 
00144     return pParticleChange;
00145 }
00146 
00147 G4double G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength(
00148                              const G4Track& track,
00149                              G4double   previousStepSize,
00150                              G4ForceCondition* condition
00151                             )
00152 {
00153   if ( (previousStepSize < 0.0) || (theNumberOfInteractionLengthLeft<=0.0)) {
00154     // beggining of tracking (or just after DoIt of this process)
00155     ResetNumberOfInteractionLengthLeft();
00156   } else if ( previousStepSize > 0.0) {
00157     // subtract NumberOfInteractionLengthLeft 
00158     SubtractNumberOfInteractionLengthLeft(previousStepSize);
00159   } else {
00160     // zero step
00161     //  DO NOTHING
00162   }
00163 
00164   // condition is set to "Not Forced"
00165   *condition = NotForced;
00166 
00167   // get mean free path
00168   currentInteractionLength = GetMeanFreePath(track, previousStepSize, condition);
00169 
00170 
00171    G4double value;
00172    if (currentInteractionLength <DBL_MAX) {
00173      value = theNumberOfInteractionLengthLeft * currentInteractionLength;
00174    } else {
00175      value = DBL_MAX;
00176    }
00177 #ifdef G4VERBOSE
00178    if (verboseLevel>1){
00179     G4cout << "G4VRestContinuousDiscreteProcess::PostStepGetPhysicalInteractionLength ";
00180     G4cout << "[ " << GetProcessName() << "]" <<G4endl;
00181     track.GetDynamicParticle()->DumpInfo();
00182     G4cout << " in Material  " <<  track.GetMaterial()->GetName() <<G4endl;
00183     G4cout << "InteractionLength= " << value/cm <<"[cm] " <<G4endl;
00184   }
00185 #endif
00186   return value;
00187 }
00188 
00189 G4VParticleChange* G4VRestContinuousDiscreteProcess::PostStepDoIt(
00190                              const G4Track& ,
00191                              const G4Step& 
00192                             )
00193 { 
00194 //  clear NumberOfInteractionLengthLeft
00195     ClearNumberOfInteractionLengthLeft();
00196 
00197     return pParticleChange;
00198 }

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