G4Orb.hh

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// $Id: G4Orb.hh 105834 2017-08-23 08:14:34Z gcosmo $
//
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// G4Orb
//
// Class description:
//
//   A G4Orb is a simple case of G4Sphere. It has only:
//   fRmax  outer radius

//  History:
// 08.08.17 E.Tcherniaev - revised 
// 20.08.03 V.Grichine - created
// --------------------------------------------------------------------

#ifndef G4Orb_HH
#define G4Orb_HH

#if defined(G4GEOM_USE_USOLIDS)
#define G4GEOM_USE_UORB 1
#endif

#if defined(G4GEOM_USE_UORB)
  #define G4UOrb G4Orb
  #include "G4UOrb.hh"
#else

#include <CLHEP/Units/PhysicalConstants.h>

#include "G4CSGSolid.hh"
#include "G4Polyhedron.hh"

class G4Orb : public G4CSGSolid
{
  public:  // with description

    G4Orb(const G4String& pName, G4double pRmax);

    ~G4Orb();

  // Accessors and modifiers

    inline G4double GetRadius() const;
    inline G4double GetRadialTolerance() const;

    inline void SetRadius(G4double newRmax);

  // Methods for solid

    inline G4double GetCubicVolume();
    inline G4double GetSurfaceArea();

    void ComputeDimensions(      G4VPVParameterisation* p,
                           const G4int n,
                           const G4VPhysicalVolume* pRep);

    void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const;

    G4bool CalculateExtent(const EAxis pAxis,
                           const G4VoxelLimits& pVoxelLimit,
                           const G4AffineTransform& pTransform,
                                 G4double& pmin, G4double& pmax) const;

    EInside Inside(const G4ThreeVector& p) const;

    G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;

    G4double DistanceToIn(const G4ThreeVector& p,
                          const G4ThreeVector& v) const;

    G4double DistanceToIn(const G4ThreeVector& p) const;
    
    G4double DistanceToOut(const G4ThreeVector& p,
                           const G4ThreeVector& v,
                           const G4bool calcNorm=G4bool(false),
                                 G4bool *validNorm=0,
                                 G4ThreeVector *n=0) const;

    G4double DistanceToOut(const G4ThreeVector& p) const;

    G4GeometryType GetEntityType() const;

    G4ThreeVector GetPointOnSurface() const;

    G4VSolid* Clone() const;

    std::ostream& StreamInfo(std::ostream& os) const;

    // Visualisation functions

    void          DescribeYourselfTo (G4VGraphicsScene& scene) const;
    G4VisExtent   GetExtent          () const;
    G4Polyhedron* CreatePolyhedron   () const;

  public:  // without description

    G4Orb(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects

    G4Orb(const G4Orb& rhs);
    G4Orb& operator=(const G4Orb& rhs); 
      // Copy constructor and assignment operator

  protected:

    void Initialize();

  private:

    G4double fRmax;
    G4double halfRmaxTol;
    G4double sqrRmaxPlusTol, sqrRmaxMinusTol;
};

#include "G4Orb.icc"

#endif

#endif