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G4AdjointProcessEquivalentToDirectProcess.hh
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26 // $Id: G4AdjointProcessEquivalentToDirectProcess.hh 69844 2013-05-16 09:19:33Z gcosmo $
27 //
29 // Class: G4AdjointProcessEquivalentToDirectProcess
30 // Author: L. Desorgher
31 // Organisation: SpaceIT GmbH
32 // Contract: ESA contract 21435/08/NL/AT
33 // Customer: ESA/ESTEC
35 //
36 // CHANGE HISTORY
37 // --------------
38 // ChangeHistory:
39 // 25 Sept. 2009 Created by L.Desorgher. Inspired from G4WrapperProcess
40 //
41 //-------------------------------------------------------------
42 // Documentation:
43 // Adjoint process equivalent to direct process, used for some multiple scattering
44 //
45 //
46 
47 
48 #ifndef G4AdjointProcessEquivalentToDirectProcess_h
49 #define G4AdjointProcessEquivalentToDirectProcess_h 1
50 
51 #include "globals.hh"
52 #include "G4ios.hh"
53 #include "G4VProcess.hh"
54 
56 {
57  // A virtual class for wrapper process objects.
58 
59  public: // with description
60  // constructor requires the process name and type
61  G4AdjointProcessEquivalentToDirectProcess(const G4String& aName, G4VProcess* aProcess,G4ParticleDefinition* fwd_particle_def);
62 
63 
64 
65  public:
66  // destructor
68 
69 
70  public: // with description
72  // DoIt /////////////////
75  const G4Track& track,
76  const G4Step& stepData
77  );
78 
80  const G4Track& track,
81  const G4Step& stepData
82  );
84  const G4Track& track,
85  const G4Step& stepData
86  );
88  // GPIL //////////////
91  const G4Track& track,
92  G4double previousStepSize,
93  G4double currentMinimumStep,
94  G4double& proposedSafety,
95  G4GPILSelection* selection);
96 
98  const G4Track& track,
100  );
101 
103  const G4Track& track,
104  G4double previousStepSize,
105  G4ForceCondition* condition
106  ) ;
107 
109  virtual G4bool IsApplicable(const G4ParticleDefinition&);
110  // Returns true if this process object is applicable to
111  // the particle type
112  // Process will not be registered to a particle if IsApplicable is false
113 
114  virtual void BuildPhysicsTable(const G4ParticleDefinition&);
115  // Messaged by the Particle definition (via the Process manager)
116  // whenever cross section tables have to be rebuilt (i.e. if new
117  // materials have been defined).
118  // It is overloaded by individual processes when they need physics
119  // tables.
120 
121  // Processes which Build (for example in their
122  // constructors) physics tables independent of cuts
123  // should preferably use a
124  // private void BuildThePhysicsTable()
125  // function. Not another BuildPhysicsTable, please.
126 
127  virtual void PreparePhysicsTable(const G4ParticleDefinition&);
128  // Messaged by the Particle definition (via the Process manager)
129  // whenever cross section tables have to be prepare for rebuilt
130  // (i.e. if new materials have been defined).
131  // It is overloaded by individual processes when they need physics
132  // tables.
133 
134  // Processes which Build physics tables independent of cuts
135  // (for example in their constructors)
136  // should preferably use private
137  // void BuildThePhysicsTable() and void PreparePhysicsTable().
138  // Not another BuildPhysicsTable, please.
139 
140 
142  const G4String& directory,
143  G4bool ascii = false);
144  // Store PhysicsTable in a file.
145  // (return false in case of failure at I/O )
146 
148  const G4String& directory,
149  G4bool ascii = false);
150  // Retrieve Physics from a file.
151  // (return true if the Physics Table can be build by using file)
152  // (return false if the process has no functionality or in case of failure)
153  // File name should be defined by each process
154  // and the file should be placed under the directory specifed by the argument.
156  virtual void StartTracking(G4Track*);
157  virtual void EndTracking();
158  // inform Start/End of tracking for each track to the physics process
159 
160 
161 
162  public:
163  virtual void ResetNumberOfInteractionLengthLeft();
164  // reset (determine the value of)NumberOfInteractionLengthLeft
165  private:
166  G4ParticleDefinition* theFwdParticleDef;
167  G4VProcess* theDirectProcess;
168 
169 };
170 
171 
172 #endif