119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
/**
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* @file point.cpp
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* @author Alexander Klein (alex@kleiax.de)
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* @brief
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* @version 0.1
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* @date 2023-09-03
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#include "point.h"
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Point::Point(double lat, double lon, uint32_t horizontalAccuracy, uint32_t creationTime)
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: coordinates{lat, lon}
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{
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this->init(horizontalAccuracy, creationTime);
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}
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Point::Point(int32_t lat, int32_t lon, uint32_t horizontalAccuracy, uint32_t creationTime)
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: coordinates{lat / 10000000.0, lon / 10000000.0}
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{
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this->init(horizontalAccuracy, creationTime);
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}
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Point::Point(Coordinates coords, uint32_t horizontalAccuracy, uint32_t creationTime)
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: coordinates{coords}
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{
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this->init(horizontalAccuracy, creationTime);
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}
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Point::Point(Coordinates coords, bool imported)
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{
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this->coordinates = coords;
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if (imported)
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{
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this->init(UINT32_MAX, 0);
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}
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else
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{
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this->init(0, 0);
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}
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}
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Point::Point()
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{
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this->coordinates.lat = 0;
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this->coordinates.lon = 0;
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this->init(0, 0);
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}
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bool Point::operator==(const Point &rhs) const
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{
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return this->coordinates == rhs.getCoordinates();
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}
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double Point::distanceTo(const Coordinates &point) const
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{
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const Coordinates begin = this->coordinates;
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const Coordinates end = point;
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const double lat = (begin.lat + end.lat) / 2 * ROUTE_DEGREE_TO_RADIANT;
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const double dy = ROUTE_DISTANCE_BETWEEN_LATITUDE * (begin.lat - end.lat);
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const double dx = ROUTE_DISTANCE_BETWEEN_LATITUDE * cos(lat) * (begin.lon - end.lon);
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return sqrt(dx * dx + dy * dy);
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}
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double Point::distanceTo(const Point &point) const
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{
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return this->distanceTo(point.getCoordinates());
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}
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int16_t Point::courseTo(const Coordinates &point) const
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{
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const Coordinates begin = this->coordinates;
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const Coordinates end = point;
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const double phi = log(tan(end.lat * ROUTE_DEGREE_TO_RADIANT / 2 + M_PI / 4) / tan(begin.lat * ROUTE_DEGREE_TO_RADIANT / 2 + M_PI / 4));
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const double lon = (begin.lon * ROUTE_DEGREE_TO_RADIANT - end.lon * ROUTE_DEGREE_TO_RADIANT);
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return static_cast<int16_t>(atan2(lon, phi) / ROUTE_DEGREE_TO_RADIANT) * -1;
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}
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int16_t Point::courseTo(const Point &point) const
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{
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return this->courseTo(point.getCoordinates());
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}
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void Point::init(uint32_t horizontalAccuracy, uint32_t creationTime)
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{
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this->creationTime = creationTime;
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if (horizontalAccuracy == UINT32_MAX)
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{
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this->accuracy = Accuracy::imported;
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}
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else if (horizontalAccuracy > 9999)
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{
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this->accuracy = Accuracy::fourDigOfCM;
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}
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else if (horizontalAccuracy > 999)
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{
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this->accuracy = Accuracy::threeDigOfCM;
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}
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else if (horizontalAccuracy > 99)
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{
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this->accuracy = Accuracy::twoDigOfCM;
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}
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else if (horizontalAccuracy > 1)
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{
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this->accuracy = Accuracy::oneDigOfCM;
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}
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else
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{
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this->accuracy = Accuracy::none;
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}
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}
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