132 lines
5.0 KiB
C
132 lines
5.0 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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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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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_MAG_KERNEL_TESSEROID_H
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#define _GCTL_MAG_KERNEL_TESSEROID_H
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#include "gm_data.h"
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#ifdef GCTL_POTENTIAL_MAGTESS
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namespace gctl
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{
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/**
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* @brief tesseroid 单元体磁化参数
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*
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*/
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struct magtess_para
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{
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// 磁化矢量参数
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double bx, by, bz, h, f;
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// 地磁场磁化倾角（弧度）
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double geo_iarc, geo_darc;
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magtess_para()
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{
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bx = by = bz = h = f = geo_iarc = geo_darc = NAN;
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}
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};
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///< 带magtess_para属性的tesseroid结构体
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typedef type_tesseroid<magtess_para> mag_tesseroid;
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/**
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* @brief S设置 Tesseroid 单元体的地磁场参数
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*
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* @param out_para 磁化参数结构体
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* @param inclina 地磁场倾角
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* @param declina 地磁场偏角
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*/
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void set_geomag_angles(array<magtess_para> &out_para, const array<double> &inclina, const array<double> &declina);
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/**
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* @brief 设置 Tesseroid 单元体的磁化参数
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*
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* @param in_tess 单元体
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* @param out_para 磁化参数结构体
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* @param mag_B 磁化矢量
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*/
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void callink_magnetic_para(array<mag_tesseroid> &in_tess, array<magtess_para> &out_para,
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const point3dc &mag_B);
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/**
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* @brief 设置 Tesseroid 单元体的磁化参数
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*
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* @param in_tess 单元体
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* @param out_para 磁化参数结构体
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* @param mag_B 磁化矢量
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*/
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void callink_magnetic_para(array<mag_tesseroid> &in_tess, array<magtess_para> &out_para,
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const array<point3dc> &mag_B);
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/**
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* @brief Calculate the magnetic parameters of given tesseroid elements respect to the spherical coordinates.
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*
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* @note The value of magnetic susceptibility is taken as one here. This is usefull for calculating
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* kernel matrix of the magnetic anomalies.
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*
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* @param in_tess Input tesseroids
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* @param out_para Output parameters
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* @param inclina_deg inclination angle of the magnetization vector with respect to the local Cartesian coordinates at every tesseroid elements
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* @param declina_deg declination angle of the magnetization vector with respect to the local Cartesian coordinates at every tesseroid elements
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* @param field_tense Tense of the Earth's magnetic field
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*/
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void callink_magnetic_para_earth_sph(array<mag_tesseroid> &in_tess, array<magtess_para> &out_para,
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double inclina_deg, double declina_deg, double field_tense = GCTL_T0);
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/**
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* @brief 计算tesseroid单元体的磁异常核函数
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*
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* @param out_kernel 输出的核函数
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* @param ele tesseroid单元体
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* @param obsp 观测点
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* @param comp_id 异常分量
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* @param gauss_order 高斯积分阶数
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* @param verbose 显示的信息类型
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*/
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void magkernel(matrix<double> &out_kernel, const array<mag_tesseroid> &ele, const array<point3ds> &obsp,
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magnetic_field_type_e comp_id = Za, int gauss_order = 4, verbose_type_e verbose = FullMsg);
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/**
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* @brief 计算tesseroid单元体的磁异常
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*
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* @param out_obs 输出的核函数
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* @param ele tesseroid单元体
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* @param obsp 观测点
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* @param sus 磁化率
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* @param comp_id 异常分量
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* @param gauss_order 高斯积分阶数
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* @param verbose 显示的信息类型
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*/
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void magobser(array<double> &out_obs, const array<mag_tesseroid> &ele, const array<point3ds> &obsp,
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const array<double> &sus, magnetic_field_type_e comp_id = Za, int gauss_order = 4,
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verbose_type_e verbose = FullMsg);
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}
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#endif // GCTL_POTENTIAL_MAGTESS
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#endif // _GCTL_MAG_KERNEL_TESSEROID_H
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