G4BoundingSphereScene.hh

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// $Id$
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// 
// John Allison  7th June 1997
// An artificial scene to reuse G4VScene code to calculate a bounding sphere.
 
#ifndef G4BOUNDINGSPHERESCENE_HH
#define G4BOUNDINGSPHERESCENE_HH
 
#include "G4VGraphicsScene.hh"
#include "G4VisExtent.hh"
#include "G4Box.hh"
#include "G4Cons.hh"
#include "G4Tubs.hh"
#include "G4Trd.hh"
#include "G4Trap.hh"
#include "G4Sphere.hh"
#include "G4Para.hh"
#include "G4Torus.hh"
#include "G4Polycone.hh"
#include "G4Polyhedra.hh"
 
class G4VModel;
 
class G4BoundingSphereScene: public G4VGraphicsScene {
 
public:
  G4BoundingSphereScene (G4VModel* pModel = 0);
  virtual ~G4BoundingSphereScene ();
  void PreAddSolid (const G4Transform3D& objectTransformation,
            const G4VisAttributes&);
  void PostAddSolid () {}
  void AddSolid (const G4Box& solid) {Accrue (solid);}
  void AddSolid (const G4Cons& solid) {Accrue (solid);}
  void AddSolid (const G4Tubs& solid) {Accrue (solid);}
  void AddSolid (const G4Trd& solid) {Accrue (solid);}
  void AddSolid (const G4Trap& solid) {Accrue (solid);}
  void AddSolid (const G4Sphere& solid) {Accrue (solid);}
  void AddSolid (const G4Para& solid) {Accrue (solid);}
  void AddSolid (const G4Torus& solid) {Accrue (solid);}
  void AddSolid (const G4Polycone& solid) {Accrue (solid);}
  void AddSolid (const G4Polyhedra& solid) {Accrue (solid);}
  void AddSolid (const G4VSolid& solid) {Accrue (solid);}
  void AddCompound (const G4VTrajectory&) {}
  void AddCompound (const G4VHit&) {}
  void AddCompound (const G4VDigi&) {}
  void AddCompound (const G4THitsMap<G4double>&) {}
  G4VisExtent GetBoundingSphereExtent ();
  const G4Point3D& GetCentre() const {return fCentre;}
  G4double GetRadius() const {return fRadius;}
 
  void SetCentre(const G4Point3D& centre) {fCentre = centre;}
 
  ////////////////////////////////////////////////////////////////
  // The following 2 functions can be used by any code which wishes to
  // accrue a bounding sphere.  Just instantiate a
  // G4BoundingSphereScene and use AccrueBoundingSphere.
 
  void ResetBoundingSphere ();
  void AccrueBoundingSphere (const G4Point3D& centre,
                 G4double radius);
 
  ////////////////////////////////////////////////////////////////
  // Functions not used by required by the abstract interface.
 
  virtual void BeginPrimitives (const G4Transform3D&) {}
  virtual void EndPrimitives () {}
  virtual void BeginPrimitives2D (const G4Transform3D&) {}
  virtual void EndPrimitives2D () {}
  virtual void AddPrimitive (const G4Polyline&)   {}
  virtual void AddPrimitive (const G4Scale&)      {}
  virtual void AddPrimitive (const G4Text&)       {}
  virtual void AddPrimitive (const G4Circle&)     {}
  virtual void AddPrimitive (const G4Square&)     {}
  virtual void AddPrimitive (const G4Polymarker&) {}
  virtual void AddPrimitive (const G4Polyhedron&) {}
  virtual void AddPrimitive (const G4NURBS&)      {}
 
private:
  void Accrue (const G4VSolid& solid);
  G4VModel* fpModel;  // Instantiating code may optionally set this.
  G4Point3D fCentre;
  G4double fRadius;
  const G4Transform3D* fpObjectTransformation;
};
 
#endif