Overlay.h

#ifndef Overlay_h
#define Overlay_h 1

#include "marlin/Processor.h"
#include "marlin/EventModifier.h"
#include "lcio.h"
#include <string>


namespace overlay{

  class Overlay : public marlin::Processor, public marlin::EventModifier {
  
  public:
  
    virtual marlin::Processor*  newProcessor() { return new Overlay ; }
  
  
    Overlay() ;
  
    virtual const std::string & name() const { return Processor::name() ; }
  
    virtual void modifyEvent( EVENT::LCEvent * evt ) ; 


    virtual void init() ;
  
    virtual void processRunHeader( LCRunHeader* run ) ;
  
    //  virtual void processEvent( EVENT::LCEvent * evt ) ; 
  
  
    virtual void check( EVENT::LCEvent * evt ) ; 
  
  
    virtual void end() ;
  
  
  protected:


    LCEvent* readNextEvent( ) ;

    StringVec _fileNames ;
    int       _numOverlay;
    double    _expBG;
    bool      _runOverlay;
    int       _nSkipEventsRandom ;

    StringVec _colVec;
    std::map<std::string, std::string> _colMap;

    IO::LCReader* _lcReader ;
    EVENT::LCEvent* _overlayEvent ;

    int _activeRunNumber;
    int _nRun ;
    int _nEvt ;
    int _nOverlayEvt ;
    IntVec    _events ;
  } ;

}
#endif