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GenHists.h

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#ifndef GENHISTS_H
#define GENHISTS_H


#include "GaudiAlg/GaudiAlgorithm.h"

#include <string>

class ITHistSvc;
class IGeometryInfo;
class TH1F;
class TH2F;
class TH1I;


class GenHists : public GaudiAlgorithm 
{

public:

    GenHists(const std::string& name, ISvcLocator* pSvcLocator);
    virtual ~GenHists();

    virtual StatusCode initialize();
    virtual StatusCode execute();
    virtual StatusCode finalize();

private:

    std::string m_location;

    std::string m_volume;

    std::string m_filepath;

    double m_maxEnergy;

    double m_energyUnits;

private:

    // Try to find bounds of vertices
    StatusCode BookVertices();

    // Locally cached pointer to the (T) histogram service
    ITHistSvc* m_hsvc;

    // Locally cached pointer to the GI of the volume of generation
    IGeometryInfo* m_geo;

    // Locally cached pointers to histograms;
    TH1I* m_nKineParts;
    TH1F *m_kineEnergy, *m_vtxTime;
    TH2F *m_xy, *m_yz, *m_xz;
};



#endif  // GENHISTS_H

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