include/Geant4/G4VEmAngularDistribution.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 // File name:     G4VEmAngularDistribution
0032 //
0033 // Author:        V. Ivanchenko using design of existing
0034 //                interface G4VBremAngularDistribution
0035 //
0036 // Creation date: 13 October 2010
0037 //
0038 // Modifications:
0039 //
0040 // Class Description:
0041 //
0042 // Abstract base class for polar angle sampling
0043 //
0044 // Class Description: End
0045
0046 // -------------------------------------------------------------------
0047 //
0048
0049 #ifndef G4VEmAngularDistribution_h
0050 #define G4VEmAngularDistribution_h 1
0051
0052 #include "globals.hh"
0053 #include "G4ThreeVector.hh"
0054 #include "G4DynamicParticle.hh"
0055
0056 class G4Material;
0057
0058 class G4VEmAngularDistribution
0059 {
0060 public:
0061
0062   explicit G4VEmAngularDistribution(const G4String& name);
0063
0064   virtual ~G4VEmAngularDistribution();
0065
0066   // Sample direction in global coordinate system,
0067   // this means for zero scattering angle this direction is the same
0068   // as the direction of primary
0069   virtual G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
0070                      G4double finalTotalEnergy,
0071                      G4int Z,
0072                      const G4Material*) = 0;
0073
0074   // Sample direction in global coordinate system for given electronic shell,
0075   // this means for zero scattering angle this direction is the same
0076   // as the direction of primary
0077   virtual G4ThreeVector& SampleDirectionForShell(
0078                      const G4DynamicParticle* dp,
0079                      G4double finalTotalEnergy,
0080                      G4int Z,
0081                      G4int shellID,
0082                      const G4Material*);
0083
0084   virtual void SamplePairDirections(const G4DynamicParticle* dp,
0085                     G4double elecKinEnergy,
0086                     G4double posiKinEnergy,
0087                     G4ThreeVector& dirElectron,
0088                     G4ThreeVector& dirPositron,
0089                     G4int Z = 0,
0090                     const G4Material* mat = nullptr);
0091
0092   virtual void PrintGeneratorInformation() const;
0093
0094   inline const G4String& GetName() const;
0095
0096   // hide assignment operator
0097   G4VEmAngularDistribution &
0098     operator=(const  G4VEmAngularDistribution &right) = delete;
0099   G4VEmAngularDistribution(const  G4VEmAngularDistribution&) = delete;
0100
0101 protected:
0102
0103   G4ThreeVector fLocalDirection;
0104   G4bool fPolarisation;
0105
0106 private:
0107
0108   G4String fName;
0109 };
0110
0111 inline const G4String& G4VEmAngularDistribution::GetName() const
0112 {
0113   return fName;
0114 }
0115
0116 #endif
0117