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67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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namespace scwx
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{
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namespace common
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{
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constexpr double kMilesPerMeter = 0.00062137119;
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constexpr double kKilometersPerMeter = 0.001;
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constexpr double kDegreesToRadians = 0.0174532925199432957692369055556;
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/**
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* @brief Coordinate type to hold latitude and longitude of a location.
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*/
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struct Coordinate
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{
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double latitude_; ///< Latitude in degrees
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double longitude_; ///< Longitude in degrees
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Coordinate() : Coordinate(0.0, 0.0) {}
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Coordinate(double latitude, double longitude) :
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latitude_ {latitude}, longitude_ {longitude}
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{
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}
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bool operator==(const Coordinate& o) const
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{
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return latitude_ == o.latitude_ && longitude_ == o.longitude_;
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}
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};
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enum class DegreeStringType
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{
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Decimal,
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DegreesMinutesSeconds
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};
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enum class DistanceType
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{
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Kilometers,
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Miles
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};
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/**
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* Calculate the geographic midpoint of a set of coordinates. Uses Method A
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* described at http://www.geomidpoint.com/calculation.html.
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*
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* @param coordinates Set of unique coordinates
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*
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* @return Centroid
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*/
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Coordinate GetCentroid(const std::vector<Coordinate>& coordinates);
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std::string
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GetLatitudeString(double latitude,
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DegreeStringType type = DegreeStringType::Decimal);
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std::string
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GetLongitudeString(double longitude,
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DegreeStringType type = DegreeStringType::Decimal);
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} // namespace common
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} // namespace scwx
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