In This Package:

GtPositionerTool.h

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#ifndef GGPOSITIONERTOOL_H
#define GGPOSITIONERTOOL_H

#include "GaudiKernel/RndmGenerators.h"
#include "GaudiAlg/GaudiTool.h"

#include "GenTools/IHepMCEventMutator.h"

class IDetectorElement;

class GtPositionerTool : public GaudiTool,
                         virtual public IHepMCEventMutator
{
public:
    GtPositionerTool(const std::string& type,
                        const std::string& name,
                        const IInterface* parent);
    virtual ~GtPositionerTool();

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

    virtual StatusCode mutate(HepMC::GenEvent& event);

    const IDetectorElement* detelem();

private:


    std::string m_volume;
    
    std::string m_strategy;

    std::string m_mode;
    
    std::vector<double> m_position;

    double m_spread;

    std::vector<std::string> m_fillVolumes;

    std::vector<std::string> m_fillMaterials;

    
private:
    // GaudiTools are broken as they are initialized before there is a
    // chance for the user to set parameters.  At least when
    // toolSvc.create() is called from Python.
    StatusCode really_initialize();
    bool m_really_initialized;

    Rndm::Numbers m_uni, m_gauss;
    std::vector<double> m_min, m_max;
    void setPosition(std::vector<double>& pos, HepMC::GenEvent& event);
    bool genPosition(std::vector<double>& pos);
    bool getPoint(std::vector<double>& pos);
    std::string baseName(const std::string& path);

    IDetectorElement* m_detelem;
};



#endif  // GGPOSITIONERTOOL_H

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