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G4BoundingSphereScene.hh
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29 // John Allison 7th June 1997
30 // An artificial scene to reuse G4VScene code to calculate a bounding sphere.
31 
32 #ifndef G4BOUNDINGSPHERESCENE_HH
33 #define G4BOUNDINGSPHERESCENE_HH
34 
35 #include "G4PseudoScene.hh"
36 #include "G4VisExtent.hh"
37 
38 class G4VModel;
39 
41 
42 public:
43 
44  G4BoundingSphereScene (G4VModel* pModel = 0);
45 
46  virtual ~G4BoundingSphereScene ();
47 
49 
50  const G4Point3D& GetCentre() const {return fCentre;}
51 
52  G4double GetRadius() const {return fRadius;}
53 
54  void SetCentre(const G4Point3D& centre) {fCentre = centre;}
55 
57  // The following 2 functions can be used by any code which wishes to
58  // accrue a bounding sphere. Just instantiate a
59  // G4BoundingSphereScene and use AccrueBoundingSphere.
60 
61  void ResetBoundingSphere ();
62  void AccrueBoundingSphere (const G4Point3D& centre,
64 
65 private:
66 
67  void ProcessVolume (const G4VSolid& solid);
68 
69  G4VModel* fpModel; // Instantiating code may optionally set this.
72 };
73 
74 #endif