/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/RecoTauTag/ImpactParameter/interface/ImpactParameterAlgorithm.h

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#ifndef ImpactParameterAlgorithm_H
#define ImpactParameterAlgorithm_H
#include "DataFormats/BTauReco/interface/TauImpactParameterInfo.h"
#include "DataFormats/BTauReco/interface/JetTag.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/JetReco/interface/Jet.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/JetReco/interface/JetTracksAssociation.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "DataFormats/GeometryVector/interface/GlobalVector.h"
//#include "DataFormats/GeometryVector/interface/GlobalVector.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
//Math
#include "Math/GenVector/VectorUtil.h"
#include "Math/GenVector/PxPyPzE4D.h"

#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"

 



class  ImpactParameterAlgorithm  {

    public:
 
        ImpactParameterAlgorithm(const edm::ParameterSet  & parameters );
        ImpactParameterAlgorithm(); 

        // For out of framework usage we may need a different constructor
        // so we keep datamember as builtin types (instead of ParameterSet) 
        //ImpactParameterAlgorithm (int,float,....);
   
        ~ImpactParameterAlgorithm() {}

        void setPrimaryVertex(reco::Vertex * pv) {primaryVertex = pv;}
  
        std::pair<float,reco::TauImpactParameterInfo> tag(const reco::IsolatedTauTagInfoRef&, const reco::Vertex&); 

        void setTransientTrackBuilder(const TransientTrackBuilder*);


    private:
        reco::Vertex* primaryVertex;

        //algorithm parameters
        double  ip_min,
                ip_max,
                sip_min;
        bool    use3D,
                use_sign;

        const TransientTrackBuilder * transientTrackBuilder;
};

#endif