Program Listing for File QuimbyMagneticField.h

↰ Return to documentation for file (include/crpropa/magneticField/QuimbyMagneticField.h)

#ifndef CRPROPA_QUIMBYMAGNETICFIELD_H
#define CRPROPA_QUIMBYMAGNETICFIELD_H

#ifdef CRPROPA_HAVE_QUIMBY

#include "crpropa/Units.h"
#include "crpropa/magneticField/MagneticField.h"

#include "quimby/MagneticField.h"

#include <stdexcept>
#include <sstream>

namespace crpropa {

class QuimbyMagneticField: public MagneticField {
        quimby::ref_ptr<quimby::MagneticField> field;
public:
        QuimbyMagneticField(quimby::ref_ptr<quimby::MagneticField> field) : field(field) {

        }
        QuimbyMagneticField(quimby::MagneticField *field) : field(field) {
        }
        Vector3d getField(const Vector3d &position) const {
                quimby::Vector3f b, r = quimby::Vector3f(position.x, position.y, position.z);
                bool isGood = field->getField(r / kpc, b);
                if (!isGood) {
                        std::ostringstream str;
                        str << "QuimbyMagneticField: invalid position at " << position;
                        throw std::runtime_error(str.str());
                }
                return Vector3d(b.x, b.y, b.z) * gauss;
        }
};
#if 1
class QuimbyMagneticFieldAdapter: public quimby::MagneticField {
        crpropa::ref_ptr<crpropa::MagneticField> field;
public:
        QuimbyMagneticFieldAdapter(crpropa::ref_ptr<crpropa::MagneticField> field) : field(field) {

        }

        bool getField(const quimby::Vector3f &position, quimby::Vector3f &b) const {
                crpropa::Vector3d r = crpropa::Vector3d(position.x, position.y, position.z) * crpropa::kpc;
                crpropa::Vector3d B = field->getField(r);
                b = quimby::Vector3f(B.x, B.y, B.z) / gauss;
                return true;
        }
};
#endif

} // namespace crpropa



#endif // CRPROPA_HAVE_QUIMBY
#endif // CRPROPA_QUIMBYMAGNETICFIELD_H