geoid.h

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// ------------------------------------------------------
//
// SPDX-License-Identifier: GPL-2.0-or-later
//
// SPDX-FileCopyrightText: Copyright (C) 2015-2026 by the ASPECT authors.
//
// This file is part of ASPECT.
//
// Detailed license information governing the source code and
// contributions can be found in the folder LICENSES and in
// LICENSE and CONTRIBUTING.md at the top level directory.
//
// ------------------------------------------------------


#ifndef _aspect_postprocess_geoid_h
#define _aspect_postprocess_geoid_h

#include <aspect/postprocess/interface.h>
#include <aspect/simulator_access.h>


namespace aspect
{
  namespace Postprocess
  {
    template <int dim>
    class Geoid : public Interface<dim>, public ::aspect::SimulatorAccess<dim>
    {
      public:
        std::pair<std::string,std::string>
        execute (TableHandler &statistics) override;

        std::list<std::string>
        required_other_postprocessors() const override;

        static
        void
        declare_parameters (ParameterHandler &prm);

        void
        parse_parameters (ParameterHandler &prm) override;

        void initialize() override;

        double
        evaluate (const Point<dim> &) const;

      private:
        unsigned int max_degree;

        unsigned int min_degree;

        bool output_in_lat_lon;

        bool output_geoid_anomaly_SH_coes;

        bool output_surface_topo_contribution_SH_coes;

        bool output_CMB_topo_contribution_SH_coes;

        bool output_density_anomaly_contribution_SH_coes;

        bool output_gravity_anomaly;

        double density_above;

        double density_below;

        bool include_surface_topo_contribution;

        bool include_CMB_topo_contribution;

        bool use_free_surface_topography;

        bool use_free_CMB_topography;

        std::pair<std::vector<double>,std::vector<double>>
        to_spherical_harmonic_coefficients(const std::vector<std::vector<double>> &spherical_function) const;

        std::pair<std::vector<double>,std::vector<double>>
        density_contribution (const double &outer_radius) const;

        std::pair<std::pair<double, std::pair<std::vector<double>,std::vector<double>>>, std::pair<double, std::pair<std::vector<double>,std::vector<double>>>>
        topography_contribution(const double &outer_radius,
                                const double &inner_radius) const;

        std::vector<double> geoid_coecos;

        std::vector<double> geoid_coesin;
    };
  }
}


#endif