VUFacet.hh

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// $Id: UFacet.hh,v 1.8 2010-09-23 10:27:25 gcosmo Exp $
// GEANT4 tag $Name: not supported by cvs2svn $
//
// Author: Marek Gayer, started from original implementation by P R Truscott, 2004
//
////
// Class description:
//
//   Base class defining the facets which are components of a
//   G4TessellatedSolid shape.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef UFacet_hh
#define UFacet_hh

#include <iostream>
#include <vector>

#include "UVector3.hh"
#include "UTypes.hh"

enum UFacetVertexType {UABSOLUTE, URELATIVE};

class UTessellatedSolid;

class VUFacet
{
public:

    virtual ~VUFacet () {};

    virtual int GetNumberOfVertices () const = 0;
    virtual UVector3 GetVertex (int i) const = 0;
    virtual void SetVertex (int i, const UVector3 &val) = 0;
    virtual UGeometryType GetEntityType () const = 0;
    virtual UVector3 GetSurfaceNormal () const = 0;
    virtual bool IsDefined () const = 0;
    virtual UVector3 GetCircumcentre () const = 0;
    virtual double GetRadius () const = 0;
    virtual VUFacet *GetClone () = 0;
    virtual double Distance (const UVector3&, const double) = 0;
    virtual double Distance (const UVector3&, const double, const bool) = 0;
    virtual double Extent (const UVector3) = 0;
    virtual bool Intersect (const UVector3&, const UVector3 &, const bool , double &, double &, UVector3 &) = 0;
    virtual double GetArea() = 0;
    virtual UVector3 GetPointOnFace() const = 0;

    bool operator== (const VUFacet &right) const;
    void ApplyTranslation (const UVector3 v);
    std::ostream &StreamInfo(std::ostream &os) const;
    bool IsInside(const UVector3 &p) const;

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

    virtual void SetVertices(std::vector<UVector3> *vertices) = 0;

protected:

    static const double dirTolerance;
    static const double kCarTolerance;
};

#endif