G4BoundingExtentScene.hh

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// John Allison  15th February 2019
// An artificial scene to reuse G4VScene code to calculate a bounding extent.
 
#ifndef G4BOUNDINGEXTENTSCENE_HH
#define G4BOUNDINGEXTENTSCENE_HH
 
#include "G4PseudoScene.hh"
#include "G4VisExtent.hh"
 
class G4VModel;
 
class G4BoundingExtentScene: public G4PseudoScene {
 
public:
 
  G4BoundingExtentScene (G4VModel* pModel = 0);
 
  virtual ~G4BoundingExtentScene ();
 
  const G4VisExtent& GetExtent () const
  {return fExtent;}
  const G4VisExtent& GetBoundingExtent () const
  {return fExtent;}
 
  // The following 2 functions can be used by any code which wishes to
  // accrue a bounding sphere.  Just instantiate a
  // G4BoundingExtentScene and use AccrueBoundingExtent.
 
  void ResetBoundingExtent ();
  void AccrueBoundingExtent (const G4VisExtent&);
 
private:
 
  void ProcessVolume (const G4VSolid& solid);
 
  G4VModel* fpModel;
  G4VisExtent fExtent;
};
 
#endif