#ifndef SQL_GIS_SIMPLIFY_H_INCLUDED #define SQL_GIS_SIMPLIFY_H_INCLUDED // Copyright (c) 2018, 2024, Oracle and/or its affiliates. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License, version 2.0, // as published by the Free Software Foundation. // // This program is designed to work with certain software (including // but not limited to OpenSSL) that is licensed under separate terms, // as designated in a particular file or component or in included license // documentation. The authors of MySQL hereby grant you an additional // permission to link the program and your derivative works with the // separately licensed software that they have either included with // the program or referenced in the documentation. // // 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, version 2.0, for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. /// @file /// /// This file declares the interface to simplify a geometry. #include // std::unique_ptr #include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system #include "sql/gis/geometries.h" namespace gis { /// Simplifies a geometry using the Douglas-Peucker algorithm. /// /// @param[in] srs The spatial reference system, common to both geometries. /// @param[in] g The geometry. /// @param[in] max_distance Cut-off distance (in coordinate units) of the /// Douglas-Peucker algorithm. /// @param[in] func_name Function name used in error reporting. /// @param[out] result The simplified geometry. /// /// @retval false Success. /// @retval true An error has occurred. The error has been reported with /// my_error(). bool simplify(const dd::Spatial_reference_system *srs, const Geometry &g, double max_distance, const char *func_name, std::unique_ptr *result) noexcept; } // namespace gis #endif // SQL_GIS_SIMPLIFY_H_INCLUDED