G4Orb.hh

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// $Id$
//
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// G4Orb
//
// Class description:
//
//   A G4Orb is a simple case of G4Sphere. It has only:
//   fRmax  outer radius
 
//  History:
// 20.08.03 V.Grichine - created
// --------------------------------------------------------------------
 
#ifndef G4Orb_HH
#define G4Orb_HH
 
#include <CLHEP/Units/PhysicalConstants.h>
 
#include "G4CSGSolid.hh"
 
class G4Orb : public G4CSGSolid
{
  public:  // with description
 
    G4Orb(const G4String& pName, G4double pRmax);
       
    virtual ~G4Orb() ;
    
    // Accessors
       
    inline G4double GetRadius() const;
 
    // Modifiers
 
    inline void SetRadius(G4double newRmax);
 
    // Methods for solid
 
    inline G4double GetCubicVolume();
    inline G4double GetSurfaceArea();
 
    void ComputeDimensions(      G4VPVParameterisation* p,
                           const G4int n,
                           const G4VPhysicalVolume* pRep);
 
    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;
    G4Polyhedron* CreatePolyhedron() const;
    G4NURBS*      CreateNURBS() 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:
  
    // Used by distanceToOut
  
    enum ESide {kNull,kRMax};
  
    // used by normal
  
    enum ENorm {kNRMax};
 
  private:
 
    G4double fRmax;
    G4double fRmaxTolerance;
};
 
#include "G4Orb.icc"
 
#endif