CGAMagneticField.h

#ifndef CGAMAGNETICFIELD_H
#define CGAMAGNETICFIELD_H 1

// MarlinTPC
#include "Field.h"

// CLHEP
#include <CLHEP/Matrix/Vector.h>

// stl
#include <string>
#include <vector>

namespace LCIO {

        class LCRunHeader;
}

namespace EVENT {

        class LCCollection;
        class LCRunHeader;
}

namespace marlintpc {

        class CGAElectricField;
}

namespace marlintpc {

class CGAMagneticField: public Field {

public:
    CGAMagneticField ( lcio::LCRunHeader *run_header );

        virtual ~CGAMagneticField();

        virtual Field *new_field( void );

        virtual bool construct( lcio::LCCollection * );

        CLHEP::Hep3Vector get_field_value( const CLHEP::Hep3Vector & );

        std::string get_typename();

        // go give access to the _cga_initialized variable
        friend class CGAElectricField;

protected:

private:

        #ifdef USE_CGA

        static bool _cga_initialized;
        #endif

};

} // namespace marlintpc

#endif // CGAMAGNETICFIELD_H