/**
   \file
   Implementation of the VShowerFileParticleIterator for an Aires generated 
   shower file
   \author Troy Porter
   \version $Id$
   \date 22 May 2003
*/

#ifndef _io_AiresShowerFileParticleIterator_h_
#define _io_AiresShowerFileParticleIterator_h_

static const char CVSId__AiresVShowerFileParticleIterator[] = 
"$Id$";

#include <utl/VShowerFileParticleIterator.h>

#include <utl/Particle.h>
#include <utl/CoordinateSystemPtr.h>

#include <cstddef>

namespace io {

/**
   \class AiresShowerFileParticleIterator
   \brief Implementation of the VShowerFileParticleIterator for an Aires generated shower file
   \author Troy Porter
   \version $Id$
   \date 22 May 2003
   \ingroup aires stl
*/


  class AiresShowerFile;

  class AiresShowerFileParticleIterator : 
    public utl::VShowerFileParticleIterator {

  public:
    
    AiresShowerFileParticleIterator(AiresShowerFile&);
    virtual ~AiresShowerFileParticleIterator();
  
    virtual utl::Particle *GetOneParticle();
    virtual void Rewind();
  
  protected:

    /// Compute the coordinate system for the ground particle file
    virtual utl::CoordinateSystemPtr 
    ComputeExternalShowerCoordinateSystem(const utl::CoordinateSystemPtr& ptr);

  private:

    AiresShowerFile& fFile;
    utl::Particle fCurrentParticle;

    // Data we grab from the AiresShowerFile attached to this iterator

    int fChannel, fVerbosity, fIrc; 
    int fHeadOfList, fEndOfList;
    bool fAltType;

    int fGroundParticleCodeIndex;
    int fLogRIndex, fLogEIndex;
    int fThetaIndex;
    int fUxIndex, fUyIndex;
    int fTimeIndex, fWeightIndex;

    int fIntData[99];
    double fDoubleData[99];

    int fCurrentRecordNumber;

    bool fIteratorValid;

  };

} // namespace

#endif // _AiresShowerFileParticleIterator_h_

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