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G4BoundingSphereScene.hh
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27 // $Id$
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30 // John Allison 7th June 1997
31 // An artificial scene to reuse G4VScene code to calculate a bounding sphere.
32 
33 #ifndef G4BOUNDINGSPHERESCENE_HH
34 #define G4BOUNDINGSPHERESCENE_HH
35 
36 #include "G4VGraphicsScene.hh"
37 #include "G4VisExtent.hh"
38 #include "G4Box.hh"
39 #include "G4Cons.hh"
40 #include "G4Tubs.hh"
41 #include "G4Trd.hh"
42 #include "G4Trap.hh"
43 #include "G4Sphere.hh"
44 #include "G4Para.hh"
45 #include "G4Torus.hh"
46 #include "G4Polycone.hh"
47 #include "G4Polyhedra.hh"
48 
49 class G4VModel;
50 
51 class G4BoundingSphereScene: public G4VGraphicsScene {
52 
53 public:
54  G4BoundingSphereScene (G4VModel* pModel = 0);
55  virtual ~G4BoundingSphereScene ();
56  void PreAddSolid (const G4Transform3D& objectTransformation,
57  const G4VisAttributes&);
58  void PostAddSolid () {}
59  void AddSolid (const G4Box& solid) {Accrue (solid);}
60  void AddSolid (const G4Cons& solid) {Accrue (solid);}
61  void AddSolid (const G4Tubs& solid) {Accrue (solid);}
62  void AddSolid (const G4Trd& solid) {Accrue (solid);}
63  void AddSolid (const G4Trap& solid) {Accrue (solid);}
64  void AddSolid (const G4Sphere& solid) {Accrue (solid);}
65  void AddSolid (const G4Para& solid) {Accrue (solid);}
66  void AddSolid (const G4Torus& solid) {Accrue (solid);}
67  void AddSolid (const G4Polycone& solid) {Accrue (solid);}
68  void AddSolid (const G4Polyhedra& solid) {Accrue (solid);}
69  void AddSolid (const G4VSolid& solid) {Accrue (solid);}
70  void AddCompound (const G4VTrajectory&) {}
71  void AddCompound (const G4VHit&) {}
72  void AddCompound (const G4VDigi&) {}
73  void AddCompound (const G4THitsMap<G4double>&) {}
74  G4VisExtent GetBoundingSphereExtent ();
75  const G4Point3D& GetCentre() const {return fCentre;}
76  G4double GetRadius() const {return fRadius;}
77 
78  void SetCentre(const G4Point3D& centre) {fCentre = centre;}
79 
81  // The following 2 functions can be used by any code which wishes to
82  // accrue a bounding sphere. Just instantiate a
83  // G4BoundingSphereScene and use AccrueBoundingSphere.
84 
85  void ResetBoundingSphere ();
86  void AccrueBoundingSphere (const G4Point3D& centre,
87  G4double radius);
88 
90  // Functions not used by required by the abstract interface.
91 
92  virtual void BeginPrimitives (const G4Transform3D&) {}
93  virtual void EndPrimitives () {}
94  virtual void BeginPrimitives2D (const G4Transform3D&) {}
95  virtual void EndPrimitives2D () {}
96  virtual void AddPrimitive (const G4Polyline&) {}
97  virtual void AddPrimitive (const G4Scale&) {}
98  virtual void AddPrimitive (const G4Text&) {}
99  virtual void AddPrimitive (const G4Circle&) {}
100  virtual void AddPrimitive (const G4Square&) {}
101  virtual void AddPrimitive (const G4Polymarker&) {}
102  virtual void AddPrimitive (const G4Polyhedron&) {}
103  virtual void AddPrimitive (const G4NURBS&) {}
104 
105 private:
106  void Accrue (const G4VSolid& solid);
107  G4VModel* fpModel; // Instantiating code may optionally set this.
108  G4Point3D fCentre;
109  G4double fRadius;
110  const G4Transform3D* fpObjectTransformation;
111 };
112 
113 #endif
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