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G4VTrajectoryPoint.hh
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28 //---------------------------------------------------------------
29 //
30 // G4VTrajectoryPoint.hh
31 //
32 // class description:
33 // This class is the abstract base class which represents the point
34 // which consists of a trajectory.
35 // It includes information of a the point.
36 //
37 // ---------------------------------------------------------------
38 
39 #ifndef G4VTrajectoryPoint_h
40 #define G4VTrajectoryPoint_h 1
41 
42 #include "globals.hh"
43 #include <vector>
44 #include <map>
45 #include "G4ThreeVector.hh"
46 
47 class G4AttDef;
48 class G4AttValue;
49 
51 {
52  public: // with description
53 
54  // Constructor/Destructor
56  virtual ~G4VTrajectoryPoint();
57 
58  // Operators
60 
61  // Get/Set functions
62  virtual const G4ThreeVector GetPosition() const = 0;
63 
64  // Get method for a vector of auxiliary points
65  virtual const std::vector<G4ThreeVector>* GetAuxiliaryPoints() const
66  { return 0; }
67  // If implemented by a derived class, returns a pointer to a list
68  // of auxiliary points, e.g., intermediate points used during the
69  // calculation of the step that can be used for drawing a smoother
70  // trajectory. The user must test the validity of this pointer.
71 
72  // Get method for HEPRep style attribute definitions
73  virtual const std::map<G4String,G4AttDef>* GetAttDefs() const
74  { return 0; }
75  // If implemented by a derived class, returns a pointer to a map of
76  // attribute definitions for the attribute values below. The user
77  // must test the validity of this pointer. See G4Trajectory for an
78  // example of a concrete implementation of this method.
79 
80  // Get method for HEPRep style attribute values
81  virtual std::vector<G4AttValue>* CreateAttValues() const
82  { return 0; }
83  // If implemented by a derived class, returns a pointer to a list
84  // of attribute values suitable, e.g., for picking. Each must
85  // refer to an attribute definition in the above map; its name is
86  // the key. The user must test the validity of this pointer (it
87  // must be non-zero and conform to the G4AttDefs, which may be
88  // checked with G4AttCheck) and delete the list after use. See
89  // G4Trajectory for an example of a concrete implementation of this
90  // method and G4VTrajectory::ShowTrajectory for an example of its
91  // use.
92 
93 };
94 
95 #endif
96