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// $Id: HadrontherapyInteractionParameters.hh;
// See more at: http://g4advancedexamples.lngs.infn.it/Examples/hadrontherapy

#ifndef HadrontherapyInteractionParameters_H
#define HadrontherapyInteractionParameters_H 1

#include "G4EmCalculator.hh"
#include "G4NistMaterialBuilder.hh"
#include "G4NistElementBuilder.hh"

class HadrontherapyDetectorConstruction;
class HadrontherapyParameterMessenger; 
class HadrontherapyInteractionParameters : public G4EmCalculator 
{
public:

    HadrontherapyInteractionParameters();
	~HadrontherapyInteractionParameters();

// Get data for Mass SP (MeV*cm2/g)   
// G4NistMaterialBuilder class materials
// User must provide: material kinetic energy lower limit, kinetic energy upper limit, number of points to retrieve,
// [particle], [output filename].

    bool GetStoppingTable (const G4String& vararg);
    void ListOfNistMaterials (const G4String& vararg);
    void BeamOn();
    bool ParseArg (const G4String& vararg);	

private:
    G4Material* GetNistMaterial(G4String material);

    G4NistElementBuilder* nistEle;
    G4NistMaterialBuilder* nistMat;
    G4double kinEmin, kinEmax, npoints;
    G4String particle, material, filename; 
    std::ofstream outfile;
    std::ostream data;
    G4Material* Pmaterial;
    G4double density;
    G4EmCalculator* emCal;
    HadrontherapyParameterMessenger* pMessenger; 
    bool beamFlag;
};
#endif