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SolidPolyHedronHelper.h

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// $Id: SolidPolyHedronHelper.h,v 1.15 2007/09/20 15:17:05 wouter Exp $ 
// ===========================================================================
#ifndef     DETDESC_SOLIDPOLYHEDRONHELPER_H
#define     DETDESC_SOLIDPOLYHEDRONHELPER_H 1
#include <vector>
#include "GaudiKernel/Point3DTypes.h"
#include "GaudiKernel/Plane3DTypes.h"
#include "DetDesc/SolidBase.h"
#include "DetDesc/SolidException.h" 
#include "DetDesc/SolidTicks.h"


class SolidPolyHedronHelper: virtual public SolidBase
{
public:
  
  typedef std::vector<Gaudi::Plane3D>   PLANES   ;
  typedef std::vector<Gaudi::XYZPoint>   VERTICES ;
  
public: 
  
  virtual bool isInside ( const Gaudi::XYZPoint& point ) const ;
  virtual bool isInside ( const Gaudi::Polar3DPoint   & point ) const;
  virtual bool isInside ( const Gaudi::RhoZPhiPoint   & point ) const; 
  virtual unsigned int intersectionTicks( const Gaudi::XYZPoint & Point,
                                          const Gaudi::XYZVector& Vector,
                                          ISolid::Ticks& ticks  ) const ;

  virtual unsigned int intersectionTicks( const Gaudi::Polar3DPoint  & Point,
                                          const Gaudi::Polar3DVector & Vector,
                                          ISolid::Ticks     & ticks) const ; 

  virtual unsigned int intersectionTicks( const Gaudi::RhoZPhiPoint  & Point,
                                          const Gaudi::RhoZPhiVector & Vector,
                                          ISolid::Ticks     & ticks) const ;
  Ticks::size_type maxNumberOfTicks() const ;

protected:
  
  SolidPolyHedronHelper ( const std::string& Name = "Anonymous PoliHedron");
  
  virtual ~SolidPolyHedronHelper ();
  
  bool addFace
  ( const Gaudi::XYZPoint& Point1 , 
    const Gaudi::XYZPoint& Point2 , 
    const Gaudi::XYZPoint& Point3 );
  
  bool addFace
  ( const Gaudi::XYZPoint& Point1 , 
    const Gaudi::XYZPoint& Point2 , 
    const Gaudi::XYZPoint& Point3 , 
    const Gaudi::XYZPoint& Point4 );  
  
  inline const  PLANES&   planes  () const { return m_ph_planes   ; } 
  
  template<class aPoint>
  inline bool inside 
  (  const aPoint& Point , 
     const Gaudi::Plane3D& Plane ) const 
  { return 0 >= Plane.Distance( Point ) ; };

  void setBP();

private:
  template<class aPoint>
  bool isInsideImpl(const aPoint& point) const;

  template<class aPoint, class aVector>
  unsigned int intersectionTicksImpl( const aPoint  & Point,
                                      const aVector & Vector,
                                      ISolid::Ticks& ticks ) const;
  
protected: 
  
  PLANES   m_ph_planes   ;
  VERTICES m_ph_vertices ;
  
};

// ===========================================================================
// The END 
// ===========================================================================
#endif  
// ===========================================================================

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