/**
  * Get the distance between this point and another point in meters.
  *
  * @param TrackPoint $trackPoint The other point.
  * @return float The distance in meters.
  */
 public function distance(TrackPoint $trackPoint)
 {
     $earthRadius = 6371000;
     $latFrom = deg2rad($this->getLatitude());
     $lonFrom = deg2rad($this->getLongitude());
     $latTo = deg2rad($trackPoint->getLatitude());
     $lonTo = deg2rad($trackPoint->getLongitude());
     $latDelta = $latTo - $latFrom;
     $lonDelta = $lonTo - $lonFrom;
     $angle = 2 * asin(sqrt(pow(sin($latDelta / 2), 2) + cos($latFrom) * cos($latTo) * pow(sin($lonDelta / 2), 2)));
     return $angle * $earthRadius;
 }
예제 #2
0
 /**
  * Flatten a track point to be posted on endomondo.
  *
  * @param TrackPoint $trackPoint The track point to flatten.
  * @param float $distance The total distance the point in meters.
  * @param float $speed The speed the point in km/h from the previous point.
  * @return string
  */
 private function flattenTrackPoint(TrackPoint $trackPoint, $distance, $speed)
 {
     $dateTime = clone $trackPoint->getDateTime();
     $dateTime->setTimezone(new \DateTimeZone('UTC'));
     return $this->formatEndomondoTrackPoint($dateTime, self::INSTRUCTION_START, $trackPoint->getLatitude(), $trackPoint->getLongitude(), $distance, $speed, $trackPoint->getElevation(), $trackPoint->hasExtension(HR::ID) ? $trackPoint->getExtension(HR::ID)->getValue() : '');
 }