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generator/srtm_parser.hpp
75 строк
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Александр Зацепин
Fixed build after rebasing release 96 on master
12 фев 2020, 14:37
12 фев 2020, 14:37
a9d2f7f
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#pragma once #include "geometry/latlon.hpp" #include "indexer/feature_altitude.hpp" #include "geometry/point_with_altitude.hpp" #include "base/macros.hpp" #include <cstdint> #include <string> #include <unordered_map> namespace generator { class SrtmTile { public: SrtmTile(); SrtmTile(SrtmTile && rhs); void Init(std::string const & dir, ms::LatLon const & coord); inline bool IsValid() const { return m_valid; } // Returns height in meters at |coord| or kInvalidAltitude. geometry::Altitude GetHeight(ms::LatLon const & coord) const; static std::string GetBase(ms::LatLon const & coord); static ms::LatLon GetCenter(ms::LatLon const & coord); static std::string GetPath(std::string const & dir, std::string const & base); private: inline geometry::Altitude const * Data() const { return reinterpret_cast<geometry::Altitude const *>(m_data.data()); }; inline size_t Size() const { return m_data.size() / sizeof(geometry::Altitude); } void Invalidate(); std::string m_data; bool m_valid; DISALLOW_COPY(SrtmTile); }; class SrtmTileManager { public: explicit SrtmTileManager(std::string const & dir); geometry::Altitude GetHeight(ms::LatLon const & coord); SrtmTile const & GetTile(ms::LatLon const & coord); private: using LatLonKey = std::pair<int32_t, int32_t>; static LatLonKey GetKey(ms::LatLon const & coord); std::string m_dir; struct Hash { size_t operator()(LatLonKey const & key) const { return (static_cast<size_t>(key.first) << 32u) | static_cast<size_t>(key.second); } }; std::unordered_map<LatLonKey, SrtmTile, Hash> m_tiles; DISALLOW_COPY(SrtmTileManager); }; } // namespace generator