86 lines
3.8 KiB
C++
86 lines
3.8 KiB
C++
/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#ifndef _GCTL_GRAV_KERNEL_SPHERE_H
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#define _GCTL_GRAV_KERNEL_SPHERE_H
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#include "gm_data.h"
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#include "gctl/poly/sphere.h"
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#include "gctl/optimization/loss_func.h"
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#ifdef GCTL_POTENTIAL_AUTODIFF
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#include "autodiff/reverse/var.hpp"
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#include "autodiff/reverse/var/eigen.hpp"
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#endif // GCTL_POTENTIAL_AUTODIFF
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namespace gctl
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{
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/**
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* @brief 计算质量点的重力异常值
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*
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* @param out_obs 输出的重力数据
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* @param[in] obsp 直角坐标下的观测点数组
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* @param[in] loc 质量点的位置
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* @param[in] mass 质量点的重量
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* @param[in] comp_id 待计算的重力场分量 默认为重力值
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* @param[in] valtype 当前计算的重力观测值在输出数据中的赋值类型
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*/
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void gobser_mass(array<double> &out_obs, const array<point3dc> &obsp, const point3dc &loc, double mass,
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gravitational_field_type_e comp_id = Vz, value_operator_e valtype = ReplaceVal);
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/**
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* @brief 计算球体的重力异常值
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*
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* @param out_obs 输出的重力数据
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* @param[in] obsp 直角坐标下的观测点数组
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* @param[in] gs 正演的球体
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* @param[in] comp_id 待计算的重力场分量 默认为重力值
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* @param[in] valtype 当前计算的重力观测值在输出数据中的赋值类型
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*/
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void gobser_sphere(array<double> &out_obs, const array<point3dc> &obsp, const sphere &gs,
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gravitational_field_type_e comp_id = Vz, value_operator_e valtype = ReplaceVal);
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#ifdef GCTL_POTENTIAL_AUTODIFF
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/**
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* @brief 计算球体的正演重力异常与观测数据的数据拟合差，以及其相对于球体质量与埋深的偏导数
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*
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* @param depth_der 相对于埋深的偏导数
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* @param mass_der 相对于质量的偏导数
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* @param mass_loc 球体的位置
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* @param mass 球体的质量
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* @param lf 数据拟合差对象（包含了观测数据与不确定度等信息）
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* @param obsp 观测点位
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*/
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void gobser_wrt_mass_depth(double &depth_der, double &mass_der, const point3dc &mass_loc,
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double mass, loss_func &lf, const array<point3dc> &obsp);
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#endif // GCTL_POTENTIAL_AUTODIFF
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};
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#endif // _GCTL_GRAV_KERNEL_SPHERE_H
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