142 lines
6.3 KiB
C++
142 lines
6.3 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_MAG_KERNEL_TRICONE_REN2017_H
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#define _GCTL_MAG_KERNEL_TRICONE_REN2017_H
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#include "gm_data.h"
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namespace gctl
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{
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struct magcone_para_ren17
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{
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double mag_amp[4]; // 四面体四个面的磁化强度
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point3dc nf[4]; // 四面体面外法线矢量
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point3dc ne[12]; // 四面体边外法线矢量
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point3dc te[12]; // 四面体边切线矢量
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};
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typedef type_tricone<magcone_para_ren17> magcone_ren17; ///< 带magcone_para_ren17属性的三角锥结构体
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/**
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* @brief Set the tolerance for calculating the magnetic parameters of tricone elements.
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*
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* @param tol Tolerance
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*/
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void set_magcone_ren17_tolerance(double tol);
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/**
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* @brief Calculate the magnetic parameters of given tricone elements.
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*
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* @param in_tet Input and output elements
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* @param out_para Output parameters
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* @param mag_B magnetization vecrtors
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*/
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void callink_magnetic_para(array<magcone_ren17> &in_cone, array<magcone_para_ren17> &out_para, const array<point3dc> &mag_B);
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/**
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* @brief Calculate the magnetic parameters of given tricone elements wrt. 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_tet Input elements
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* @param out_para Output parameters
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* @param inclina_deg inclination angle of the magnetization vector wrt. the local Cartesian coordinates at every tricone elements
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* @param declina_deg declination angle of the magnetization vector wrt. the local Cartesian coordinates at every tricone elements
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* @param mag_vec Output magnetization vectors (This is useful for data visualization)
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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<magcone_ren17> &in_tet, array<magcone_para_ren17> &out_para,
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double inclina_deg, double declina_deg, array<point3dc> *mag_vec = nullptr, double field_tense = GCTL_T0);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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point3dc magkernel_single(const magcone_ren17 &a_ele, const point3ds &a_op, tensor *R_ptr = nullptr);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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tensor magkernel_single_tensor(const magcone_ren17 &a_ele, const point3ds &a_op, tensor *R_ptr = nullptr);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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void magkernel(matrix<double> &kernel, const array<magcone_ren17> &top_ele, const array<magcone_ren17> &btm_ele,
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const array<point3ds> &obsp, magnetic_field_type_e comp_type = Bz, verbose_type_e verbose = FullMsg);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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void magkernel(spmat<double> &kernel, const array<magcone_ren17> &top_ele, const array<magcone_ren17> &btm_ele,
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const array<point3ds> &obsp, double cut_angle, magnetic_field_type_e comp_type = Bz, verbose_type_e verbose = FullMsg);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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void magobser(array<point3dc> &out_obs, const array<magcone_ren17> &top_ele, const array<magcone_ren17> &btm_ele,
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const array<point3ds> &obsp, const array<double> &sus, verbose_type_e verbose = FullMsg);
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/**
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* @brief Calculate the magnetic field vector at a given observation point.
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*
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* @param a_ele Input element
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* @param a_op Input observation point
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* @param R_ptr Output rotation matrix
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* @return point3dc Magnetic field vector
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*/
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void magobser(array<tensor> &out_obs, const array<magcone_ren17> &top_ele, const array<magcone_ren17> &btm_ele,
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const array<point3ds> &obsp, const array<double> &sus, verbose_type_e verbose = FullMsg);
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}
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#endif // _GCTL_MAG_KERNEL_TRICONE_REN2017_H
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