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AdaptiveVertexReconstructor.h
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AdaptiveVertexReconstructor.h
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#ifndef _AdaptiveVertexReconstructor_H_
#define _AdaptiveVertexReconstructor_H_
#include "RecoVertex/VertexPrimitives/interface/VertexReconstructor.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include <set>
class AdaptiveVertexReconstructor : public VertexReconstructor {
public:
/***
*
* \paramname primcut sigma_cut for the first iteration
* (primary vertex)
* \paramname seccut sigma_cut for all subsequent vertex fits.
* \paramname minweight the minimum weight for a track to
* stay in a fitted vertex
*/
AdaptiveVertexReconstructor( float primcut = 2.0, float seccut = 6.0,
float minweight = 0.5 );
/**
* The ParameterSet should have the following defined:
* double primcut
* double seccut
* double minweight
* for descriptions see
*/
AdaptiveVertexReconstructor( const edm::ParameterSet & s );
std::vector<TransientVertex> vertices(const std::vector<reco::TransientTrack> & v ) const;
std::vector<TransientVertex>
vertices(const std::vector<reco::TransientTrack> &, const reco::BeamSpot & ) const;
virtual AdaptiveVertexReconstructor * clone() const {
return new AdaptiveVertexReconstructor( * this );
}
/**
* tracks with a weight < 10^-8 are moved from vertex
* to remainingtrks container.
*/
TransientVertex cleanUp ( const TransientVertex & old ) const;
private:
/**
* the actual fit to avoid code duplication
*/
std::vector<TransientVertex>
vertices( const std::vector<reco::TransientTrack> &, const reco::BeamSpot &,
bool usespot ) const;
/**
* contrary to what its name has you believe, ::erase removes all
* newvtx.originalTracks() above theMinWeight from remainingtrks.
*/
void erase ( const TransientVertex & newvtx,
std::set < reco::TransientTrack > & remainingtrks ) const;
private:
float thePrimCut;
float theSecCut;
float theMinWeight;
};
#endif

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