78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
#ifndef OSMIUM_GEOM_UTIL_HPP
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#define OSMIUM_GEOM_UTIL_HPP
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/*
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This file is part of Osmium (https://osmcode.org/libosmium).
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Copyright 2013-2022 Jochen Topf <jochen@topf.org> and others (see README).
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Boost Software License - Version 1.0 - August 17th, 2003
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <osmium/util/compatibility.hpp>
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#include <stdexcept>
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#include <string>
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namespace osmium {
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/**
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* Exception thrown when a projection object can not be initialized or the
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* projection of some coordinates can not be calculated.
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*/
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struct OSMIUM_EXPORT projection_error : public std::runtime_error {
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explicit projection_error(const std::string& what) :
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std::runtime_error(what) {
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}
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explicit projection_error(const char* what) :
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std::runtime_error(what) {
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}
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}; // struct projection_error
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namespace geom {
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constexpr double PI = 3.14159265358979323846;
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/// Convert angle from degrees to radians.
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inline constexpr double deg_to_rad(double degree) noexcept {
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return degree * (PI / 180.0);
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}
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/// Convert angle from radians to degrees.
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inline constexpr double rad_to_deg(double radians) noexcept {
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return radians * (180.0 / PI);
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}
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} // namespace geom
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} // namespace osmium
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#endif // OSMIUM_GEOM_UTIL_HPP
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