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Implement ridge mesh refinement (#235 | GRIDEDIT-502)
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| //---- GPL --------------------------------------------------------------------- | ||
| // | ||
| // Copyright (C) Stichting Deltares, 2011-2023. | ||
| // | ||
| // This program 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 version 3. | ||
| // | ||
| // This program 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 this program. If not, see <http://www.gnu.org/licenses/>. | ||
| // | ||
| // contact: [email protected] | ||
| // Stichting Deltares | ||
| // P.O. Box 177 | ||
| // 2600 MH Delft, The Netherlands | ||
| // | ||
| // All indications and logos of, and references to, "Delft3D" and "Deltares" | ||
| // are registered trademarks of Stichting Deltares, and remain the property of | ||
| // Stichting Deltares. All rights reserved. | ||
| // | ||
| //------------------------------------------------------------------------------ | ||
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| #pragma once | ||
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| #include <array> | ||
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| #include "MeshKernel/Definitions.hpp" | ||
| #include "MeshKernel/Utilities/LinearAlgebra.hpp" | ||
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| namespace meshkernel | ||
| { | ||
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| /// @brief Array containing dimensions of the hessian | ||
| using HessianDimension = std::array<UInt, 3>; | ||
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| /// @brief Define column major orientation | ||
| using MatrixColMajor = lin_alg::Matrix<double, Eigen::ColMajor>; | ||
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| /// @brief The hessian values | ||
| /// | ||
| /// Implemented as an array of matrices. | ||
| /// Not sure what is the best implementation yet for performance. | ||
| class Hessian | ||
| { | ||
| public: | ||
| /// @brief Default constructor | ||
| Hessian() = default; | ||
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| /// @brief Constructor taking 3 parameters | ||
| Hessian(const UInt dim1, const UInt dim2, const UInt dim3); | ||
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| /// @brief Resize taking 3 parameters | ||
| void resize(const UInt dim1, const UInt dim2, const UInt dim3); | ||
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| /// @brief Get the dimension for each dimension | ||
| /// | ||
| /// @param [in] dim For which dimension is the size required, dim in range [0,2] | ||
| UInt size(const UInt dim) const; | ||
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| /// @brief Get all the Hessian dimensions | ||
| const HessianDimension& size() const; | ||
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| /// @brief Get the 1-dimension index of | ||
| UInt get1DIndex(const UInt dim2, const UInt dim3) const; | ||
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| /// @brief Get the value of the hessian | ||
| double operator()(const UInt dim1, const UInt dim2, const UInt dim3) const; | ||
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| /// @brief Get the value of the hessian | ||
| double& operator()(const UInt dim1, const UInt dim2, const UInt dim3); | ||
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| /// @brief Access the matrix in 'dim1' as though it were a 1 dimensional array | ||
| /// | ||
| /// dim2 = i + size(1) * j? | ||
| double operator()(const UInt dim1, const UInt dim2) const; | ||
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| /// @brief Get the matrix for a dimension | ||
| const MatrixColMajor& getMatrix(const UInt dim) const; | ||
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| /// @brief Get the matrix for a dimension | ||
| MatrixColMajor& getMatrix(const UInt dim); | ||
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| /// @brief Set all entries to zero. | ||
| void zero(); | ||
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| private: | ||
| /// @brief a vector of matrices for storing the hessian calculations | ||
| std::vector<MatrixColMajor> m_hessian; | ||
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| /// @brief the initial hessian matrix dimension | ||
| HessianDimension m_dimensions{0, 0, 0}; | ||
| }; | ||
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| } // namespace meshkernel | ||
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| inline meshkernel::UInt meshkernel::Hessian::size(const UInt dim) const | ||
| { | ||
| return m_dimensions[dim]; | ||
| } | ||
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| inline const meshkernel::HessianDimension& meshkernel::Hessian::size() const | ||
| { | ||
| return m_dimensions; | ||
| } | ||
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| inline meshkernel::UInt meshkernel::Hessian::get1DIndex(const UInt dim2, const UInt dim3) const | ||
| { | ||
| return dim2 + m_dimensions[1] * dim3; | ||
| } | ||
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| inline double meshkernel::Hessian::operator()(const UInt dim1, const UInt dim2, const UInt dim3) const | ||
| { | ||
| return m_hessian[dim1](dim2, dim3); | ||
| } | ||
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| inline double& meshkernel::Hessian::operator()(const UInt dim1, const UInt dim2, const UInt dim3) | ||
| { | ||
| return m_hessian[dim1](dim2, dim3); | ||
| } | ||
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| inline double meshkernel::Hessian::operator()(const UInt dim1, const UInt dim2) const | ||
| { | ||
| return m_hessian[dim1](dim2); | ||
| } | ||
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| inline const meshkernel::MatrixColMajor& meshkernel::Hessian::getMatrix(const UInt dim) const | ||
| { | ||
| return m_hessian[dim]; | ||
| } | ||
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| inline meshkernel::MatrixColMajor& meshkernel::Hessian::getMatrix(const UInt dim) | ||
| { | ||
| return m_hessian[dim]; | ||
| } |
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