geoid.h

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/*
 Copyright (C) 2015 - 2022 by the authors of the ASPECT code.

 This file is part of ASPECT.

 ASPECT 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 2, or (at your option)
 any later version.

 ASPECT 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 ASPECT; see the file LICENSE.  If not see
 <http://www.gnu.org/licenses/>.
 */


#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