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ApproxRaytracer.hpp

/*
 *  $Id: ApproxRaytracer_8hpp-source.html,v 1.1.1.1 2002/06/12 22:58:43 cgagne Exp $
 *
 *  LOSR -- Library for Optical Systems Raytracing
 *  Copyright (C) 2001 by Christian Gagné and Julie Beaulieu
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef LOSR_ApproxRaytracer_hpp
#define LOSR_ApproxRaytracer_hpp

#include <vector>

#include "losr/Surface.hpp"
#include "losr/OpticalSystem.hpp"

namespace LOSR {

struct Y_NU {
  Y_NU();
  Y_NU(const LOSR::Surface& inSurface);

  Y_NU& operator=(const LOSR::Surface& inSurface);

  long double mT;  
  long double mN;  
  long double mC;  
  long double mR;  
  long double mY;  
  long double mU;  
  long double mNU; 
};


class ApproxRaytracer : public std::vector<Y_NU> {

public: 
  ApproxRaytracer(unsigned int inSize=0);
  ApproxRaytracer(const LOSR::OpticalSystem& inOpticalSystem);
  ~ApproxRaytracer() { }  

  ApproxRaytracer& operator=(const LOSR::OpticalSystem& inOpticalSystem);

  void initialize(const LOSR::OpticalSystem& inOpticalSystem);
  void read(std::istream& ioIs=std::cin);
  bool trace(ApproxRaytracer::iterator inStartingPoint);
  bool trace(ApproxRaytracer::iterator inStartingPoint,long double inY,long double inU);
  bool traceBackward(ApproxRaytracer::iterator inActualEntry,ApproxRaytracer::iterator inStopEntry);
  bool traceForward(ApproxRaytracer::iterator inActualEntry,ApproxRaytracer::iterator inStopEntry);
  void write(std::ostream& ioOs=std::cout) const;

};

}


std::istream& operator>>(std::istream& ioIs, LOSR::Y_NU& outY_NU);
std::ostream& operator<<(std::ostream& ioOs, const LOSR::Y_NU& inY_NU);


inline std::istream& operator>>(
  std::istream& ioIs,                       
  LOSR::ApproxRaytracer& outApproxRaytracer 
)
{
  outApproxRaytracer.read(ioIs);
  return ioIs;
}


inline std::ostream& operator<<(
  std::ostream& ioOs,                      
  const LOSR::ApproxRaytracer& inApproxRaytracer  
)
{
  inApproxRaytracer.write(ioOs);
  return ioOs;
}


#endif // LOSR_ApproxRaytracer_hpp

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