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CylindricalFluxDensityProfile.hpp
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CylindricalFluxDensityProfile.hpp
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/*
* Copyright (C) 2010-2019 The ESPResSo project
*
* This file is part of ESPResSo.
*
* ESPResSo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ESPResSo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OBSERVABLES_CYLINDRICALFLUXDENSITYPROFILE_HPP
#define OBSERVABLES_CYLINDRICALFLUXDENSITYPROFILE_HPP
#include "CylindricalPidProfileObservable.hpp"
#include "integrate.hpp"
#include <utils/Histogram.hpp>
namespace Observables {
class CylindricalFluxDensityProfile : public CylindricalPidProfileObservable {
public:
using CylindricalPidProfileObservable::CylindricalPidProfileObservable;
std::vector<double>
evaluate(Utils::Span<const Particle *const> particles) const override {
std::array<size_t, 3> n_bins{{static_cast<size_t>(n_r_bins),
static_cast<size_t>(n_phi_bins),
static_cast<size_t>(n_z_bins)}};
std::array<std::pair<double, double>, 3> limits{
{std::make_pair(min_r, max_r), std::make_pair(min_phi, max_phi),
std::make_pair(min_z, max_z)}};
Utils::CylindricalHistogram<double, 3> histogram(n_bins, 3, limits);
// Write data to the histogram
for (auto p : particles) {
auto const pos = folded_position(p->r.p, box_geo) - center;
histogram.update(
Utils::transform_coordinate_cartesian_to_cylinder(pos, axis),
Utils::transform_vector_cartesian_to_cylinder(p->m.v, axis, pos));
}
histogram.normalize();
return histogram.get_histogram();
}
int n_values() const override { return 3 * n_r_bins * n_phi_bins * n_z_bins; }
};
} // Namespace Observables
#endif