Import Geant4 11.1.0.beta source tree

2022-07-01 10:44:02 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+/// \file SteppingAction.hh
+/// \brief Definition of the SteppingAction class
+//
+// 
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#ifndef SteppingAction_H
+#define SteppingAction_H 1
+
+#include "globals.hh"
+#include "G4UserSteppingAction.hh"
+#include "G4ThreeVector.hh"
+#include <array>
+
+class Run;
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+class SteppingAction : public G4UserSteppingAction {
+  public:  
+    SteppingAction();
+    virtual ~SteppingAction();
+  
+    virtual void UserSteppingAction( const G4Step* ) override;
+    // This is the main method where the step lengths of particles inside
+    // the scoring shell are collected, and then the corresponding fluences
+    // are filled up in the Run object where they are stored (and then
+    // printed out at the end of the Run).
+    // (For simplicity and brevity, we avoid histograms and compute instead
+    //  some statistics ourself, which will be print-out at the end of the run.)
+
+    void initialize();
+    // This method is called by RunAction::BeginOfRunAction for the
+    // initialization of the stepping-action at the beginning of each Run.
+    // This is necessary because different runs can have different primary particle
+    // types, kinetic energies, and detector configurations.
+
+    void setRunPointer( Run* inputValue = nullptr ) { fRunPtr = inputValue; }
+    // This method is called by RunAction::BeginOfRunAction for providing to the
+    // stepping-action the pointer to the run object at the beginning of each Run.
+    // This pointer is then used to pass the information collected by the stepping-action
+    // to the run object.
+
+    G4double getCubicVolumeScoringShell() const { return fCubicVolumeScoringShell; }
+    // The cubic-volume of the scoring shell is needed to get the fluence from the
+    // sum of step lengths inside that scoring shell.
+  
+    static const G4int numberKinematicRegions = 3;  // all, below 20 MeV, above 20 MeV
+    static const G4int numberScoringPositions = 2;  // forward, backward (hemisphere with
+                                                    // respect to the primary particle direction)
+    static const G4int numberParticleTypes = 11;    // all, e, gamma, mu, nu, pi, n, p, ions,
+                                                    // other-mesons, other-baryons
+    static const G4int numberCombinations =
+      numberKinematicRegions*numberScoringPositions*numberParticleTypes;
+    static const std::array< G4String, numberKinematicRegions > arrayKinematicRegionNames;
+    static const std::array< G4String, numberScoringPositions > arrayScoringPositionNames;
+    static const std::array< G4String, numberParticleTypes > arrayParticleTypeNames;
+    static G4int getIndex( const G4int iKinematicRegion, const G4int iScoringPosition,
+                           const G4int iParticleType );
+ 
+  private:   
+    Run* fRunPtr;  // Pointer to the Run object
+    G4int fPrimaryParticleId;
+    G4double fPrimaryParticleEnergy;
+    G4ThreeVector fPrimaryParticleDirection;
+    G4String fTargetMaterialName;
+    G4bool fIsFirstStepOfTheEvent;
+    G4bool fIsFirstStepInTarget;
+    G4bool fIsFirstStepInScoringShell;
+    G4double fCubicVolumeScoringShell;
+  
+    std::array< G4double, numberCombinations > fArraySumStepLengths;
+    // Array to collect the sum of step lengths in the scoring shell for the whole run,
+    // according to the various cases (kinematical region, scoring position and particle type).
+    // Note that the fluence in a scoring volume is defined as sum of step lengths
+    // in that scoring volume divided by the cubic-volume of that scoring volume.
+};
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#endif