コード例 #1
0
 public function distanceLookup(GeoLocation $source, GeoLocation $destination)
 {
     $data = array('from' => urlencode($source->getLatitude() && $source->getLongitude() ? strval($source) : $source->getAddress()), 'to' => urlencode($destination->getLatitude() && $destination->getLongitude() ? strval($destination) : $destination->getAddress()), 'apiKey' => $this->apiKey);
     $url = $this->formatUrl(self::URL_DISTANCE_LOOKUP, $data, true);
     $apiResult = json_decode($this->callUrl($url), true);
     if ($this->hasError($apiResult, false)) {
         return null;
     }
     $totalDist = 0;
     if (count($apiResult['route']['legs'])) {
         foreach ($apiResult['route']['legs'] as $leg) {
             $totalDist += $leg['distance'];
         }
         $totalDist = $totalDist * 1000;
         //cast to meters
     } else {
         $totalDist = -1;
     }
     return $totalDist;
 }
コード例 #2
0
 public static function haversineGreatCircleDistance(GeoLocation $from, GeoLocation $to)
 {
     // convert from degrees to radians
     $latFrom = deg2rad($from->getLatitude());
     $lonFrom = deg2rad($from->getLongitude());
     $latTo = deg2rad($to->getLatitude());
     $lonTo = deg2rad($to->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 * self::EARTH_RADIUS;
 }