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