include/Geant4/G4BoundingExtentScene.hh

0001 //
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0025 //
0026 //
0027 //
0028 //
0029 // John Allison  15th February 2019
0030 // An artificial scene to reuse G4VScene code to calculate a bounding extent.
0031
0032 #ifndef G4BOUNDINGEXTENTSCENE_HH
0033 #define G4BOUNDINGEXTENTSCENE_HH
0034
0035 #include "G4PseudoScene.hh"
0036 #include "G4VisExtent.hh"
0037
0038 class G4VModel;
0039
0040 class G4BoundingExtentScene: public G4PseudoScene {
0041
0042 public:
0043
0044   G4BoundingExtentScene (G4VModel* pModel = 0);
0045
0046   virtual ~G4BoundingExtentScene ();
0047
0048   const G4VisExtent& GetExtent () const
0049   {return fExtent;}
0050   const G4VisExtent& GetBoundingExtent () const
0051   {return fExtent;}
0052
0053   ////////////////////////////////////////////////////////////////
0054   // The following 2 functions can be used by any code which wishes to
0055   // accrue a bounding sphere.  Just instantiate a
0056   // G4BoundingExtentScene and use AccrueBoundingExtent.
0057
0058   void ResetBoundingExtent ();
0059   void AccrueBoundingExtent (const G4VisExtent&);
0060
0061 private:
0062
0063   void ProcessVolume (const G4VSolid& solid);
0064
0065   G4VModel* fpModel;
0066   G4VisExtent fExtent;
0067 };
0068
0069 #endif