77 lines
2 KiB
C++
77 lines
2 KiB
C++
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#pragma once
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#include "geometry/latlon.hpp"
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#include "geometry/point2d.hpp"
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#include "base/math.hpp"
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#include <limits>
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#include <string>
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#include <vector>
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namespace geometry
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{
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using Altitude = int16_t;
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using Altitudes = std::vector<Altitude>;
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Altitude constexpr kInvalidAltitude = std::numeric_limits<Altitude>::min();
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Altitude constexpr kDefaultAltitudeMeters = 0;
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class PointWithAltitude
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{
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public:
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PointWithAltitude();
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PointWithAltitude(m2::PointD const & point, Altitude altitude = kDefaultAltitudeMeters);
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operator m2::PointD() const { return m_point; }
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bool operator==(PointWithAltitude const & r) const;
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bool operator!=(PointWithAltitude const & r) const { return !(*this == r); }
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bool operator<(PointWithAltitude const & r) const;
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m2::PointD const & GetPoint() const { return m_point; }
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ms::LatLon ToLatLon() const;
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Altitude GetAltitude() const { return m_altitude; }
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void SetPoint(m2::PointD const & point) { m_point = point; }
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void SetAltitude(Altitude altitude) { m_altitude = altitude; }
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/// @param[in] f in range [0, 1]
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PointWithAltitude Interpolate(PointWithAltitude const & to, double f) const
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{
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return PointWithAltitude(m_point + (to.m_point - m_point) * f,
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math::iround(m_altitude + (to.m_altitude - m_altitude) * f));
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}
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private:
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friend std::string DebugPrint(PointWithAltitude const & r);
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m2::PointD m_point;
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Altitude m_altitude;
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};
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std::string DebugPrint(PointWithAltitude const & r);
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template <typename T>
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m2::Point<T> GetPoint(m2::Point<T> const & point)
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{
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return point;
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}
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inline m2::PointD GetPoint(PointWithAltitude const & pwa)
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{
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return pwa.GetPoint();
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}
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PointWithAltitude MakePointWithAltitudeForTesting(m2::PointD const & point);
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bool AlmostEqualAbs(PointWithAltitude const & lhs, PointWithAltitude const & rhs, double eps);
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} // namespace geometry
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namespace std
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{
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template <>
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struct hash<geometry::PointWithAltitude>
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{
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size_t operator()(geometry::PointWithAltitude const & point) const;
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};
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} // namespace std
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