127 lines
5.0 KiB
C++
127 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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* 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 _GM_REGULAR_GRID_H
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#define _GM_REGULAR_GRID_H
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#include "gctl/mesh/regular_grid.h"
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#include "gm_data.h"
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#include "gctl/math/extrapolate.h"
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#include "gctl/math/space_filter.h"
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namespace gctl
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{
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/**
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* @brief 位场数据规则网格类型
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*
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* 此类型由规则网络类型继承而来。负责规则网格中的位场数据处理，可完成的处理类型包括求取不同阶次的
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* 方向导数、线性特征提取、磁异常化极、区域场-剩余场分离、延拓等。
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*/
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class gm_regular_grid : public regular_grid
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{
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public:
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gm_regular_grid(); ///< 构造函数
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virtual ~gm_regular_grid(); ///< 析构函数
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/**
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* @brief 构造函数重载
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*
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* @param[in] in_name 网格的名称
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* @param[in] in_info 与网格有关的信息
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* @param[in] xnum x方向的节点数量
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* @param[in] ynum y方向的节点数量
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* @param[in] xmin x方向的最小值
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* @param[in] ymin y方向的最小值
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* @param[in] dx x方向的网格间隔
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* @param[in] dy y方向的网格间隔
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*/
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gm_regular_grid(std::string in_name, std::string in_info, int xnum, int ynum,
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double xmin, double ymin, double dx, double dy);
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/**
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* The following functions require the FFTW library. Turn off the macro GCTL_FFTW to disable these functions
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*/
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#ifdef GCTL_POTENTIAL_FFTW3
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/**
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* @brief 计算重磁异常的方向导数
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*
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* @param[in] datname 待计算的数据名称
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* @param[in] gradname 计算结果的保存名称
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* @param[in] c_type 需计算的方向导数类型。必须为Tzx，Tzy或Tzz其中之一
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* @param[in] order 求导的阶次
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*/
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void gradient(std::string datname, std::string gradname, gravitational_field_type_e c_type = Tzz, int order = 1);
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/**
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* @brief 计算化极磁异常
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*
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* @param[in] datname 待计算的数据名称
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* @param[in] rtpname 计算结果的保存名称
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* @param[in] inc 磁化倾角（度）
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* @param[in] dec 磁化偏角（度）
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*/
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void rtp(std::string datname, std::string rtpname, double inc, double dec);
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/**
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* @brief 计算变磁化角度的化极磁异常
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*
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* @param[in] datname 待计算的数据名称
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* @param[in] incname 磁化倾角数据名称
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* @param[in] decname 磁化偏角数据名称
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* @param[in] drtpname 计算结果的保存名称
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* @param[in] order 变磁化角度计算中的泰勒展开阶数
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*/
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void drtp(std::string datname, std::string incname, std::string decname, std::string drtpname, int order = 1);
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/**
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* @brief 位场延拓
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*
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* @param[in] datname 待计算的数据名称
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* @param[in] retname 计算结果的保存名称
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* @param[in] height 延拓的距离（向上为负，向下为正）
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*/
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void conti(std::string datname, std::string retname, double height);
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#endif //GCTL_POTENTIAL_FFTW3
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/**
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* @brief 趋势场分离
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*
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* @param datname 待计算的数据名称
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* @param regname 计算的区域场数据名称
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* @param resname 计算的局部场数据名称
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* @param wx_size 东向窗口大小
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* @param wy_size 北向窗口大小
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* @param x_order 东向趋势场阶数
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* @param y_order 北向趋势场阶数
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*/
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void trend(std::string datname, std::string regname, std::string resname, int wx_size, int wy_size, int x_order, int y_order);
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};
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};
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#endif //_GM_REGULAR_GRID_H
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