G4VFacet.hh

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// $Id: G4VFacet.hh 67011 2013-01-29 16:17:41Z gcosmo $
//
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//
// Class G4VFacet
//
// Class description:
//
//   Base class defining the facets which are components of a
//   G4TessellatedSolid shape.

// CHANGE HISTORY
// --------------
//
// 31 October 2004, P R Truscott, QinetiQ Ltd, UK - Created.
// 12 October 2012, M Gayer, CERN, - Reviewed optimized implementation.
//

#ifndef G4VFacet_hh
#define G4VFacet_hh

#include <iostream>
#include <vector>

#include "globals.hh"
#include "G4ThreeVector.hh"
#include "G4VSolid.hh"

enum G4FacetVertexType {ABSOLUTE, RELATIVE};

class G4TessellatedSolid;

class G4VFacet
{
  public:

    virtual ~G4VFacet ();

    G4bool operator== (const G4VFacet &right) const;

    virtual G4int GetNumberOfVertices () const = 0;
    virtual G4ThreeVector GetVertex (G4int i) const = 0;
    virtual void SetVertex (G4int i, const G4ThreeVector &val) = 0;
    virtual G4GeometryType GetEntityType () const = 0;
    virtual G4ThreeVector GetSurfaceNormal () const = 0;
    virtual G4bool IsDefined () const = 0;
    virtual G4ThreeVector GetCircumcentre () const = 0;
    virtual G4double GetRadius () const = 0;
    virtual G4VFacet *GetClone () = 0;
    virtual G4double Distance (const G4ThreeVector&, G4double) = 0;
    virtual G4double Distance (const G4ThreeVector&, G4double,
                               const G4bool) = 0;
    virtual G4double Extent (const G4ThreeVector) = 0;
    virtual G4bool Intersect (const G4ThreeVector&, const G4ThreeVector &,
                              const G4bool , G4double &, G4double &,
                                    G4ThreeVector &) = 0;
    virtual G4double GetArea() = 0;
    virtual G4ThreeVector GetPointOnFace() const = 0;

    void ApplyTranslation (const G4ThreeVector v);

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

    G4bool IsInside(const G4ThreeVector &p) const;

    virtual G4int AllocatedMemory() = 0;
    virtual void SetVertexIndex (G4int i, G4int j) = 0;
    virtual G4int GetVertexIndex (G4int i) const = 0;

    virtual void SetVertices(std::vector<G4ThreeVector> *vertices) = 0;

  protected:

    static const G4double dirTolerance;
    static const G4double kCarTolerance;
};

#endif

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