/**
* Looks up the geo coordinates of the address of an object and sets its
* geo coordinates.
*
* @param tx_oelib_Interface_Geo $geoObject
* the object for which the geo coordinates will be looked up and set
*
* @return void
*/
public function lookUp(tx_oelib_Interface_Geo $geoObject)
{
if ($geoObject->hasGeoError() || $geoObject->hasGeoCoordinates()) {
return;
}
if (!$geoObject->hasGeoAddress()) {
$geoObject->setGeoError();
return;
}
if (!empty($this->coordinates)) {
$geoObject->setGeoCoordinates($this->coordinates);
} else {
$geoObject->setGeoError();
}
}
/**
* Looks up the geo coordinates of the address of an object and sets its
* geo coordinates.
*
* @param tx_oelib_Interface_Geo $geoObject
* the object for which the geo coordinates will be looked up and set
*
* @return void
*/
public function lookUp(tx_oelib_Interface_Geo $geoObject)
{
if ($geoObject->hasGeoError() || $geoObject->hasGeoCoordinates()) {
return;
}
if (!$geoObject->hasGeoAddress()) {
$geoObject->setGeoError();
return;
}
$address = $geoObject->getGeoAddress();
$this->throttle();
$rawResult = $this->sendRequest($address);
if ($rawResult === FALSE) {
throw new RuntimeException('There was an error connecting to the Google geocoding server.', 1331488446);
}
$resultParts = json_decode($rawResult, TRUE);
$status = $resultParts['status'];
if ($status === self::STATUS_OK) {
$coordinates = $resultParts['results'][0]['geometry']['location'];
$geoObject->setGeoCoordinates(array('latitude' => (double) $coordinates['lat'], 'longitude' => (double) $coordinates['lng']));
} else {
$geoObject->setGeoError();
}
}
/**
* Moves $object by $distance kilometers in the direction of $direction.
*
* Note: This move is not very accurate.
*
* @param tx_oelib_Interface_Geo $object
* @param float $direction direction of the movement in degrees (0.0 is east)
* @param float $distance distance to move in kilometers, may be positive, zero or negative
*
* @return void
*/
public function move(tx_oelib_Interface_Geo $object, $direction, $distance)
{
$directionInRadians = deg2rad($direction);
$originalCoordinates = $object->getGeoCoordinates();
/** @var float $originalLatitude */
$originalLatitude = $originalCoordinates['latitude'];
/** @var float $originalLongitude */
$originalLongitude = $originalCoordinates['longitude'];
$xDeltaInKilometers = $distance * cos($directionInRadians);
$yDeltaInKilometers = $distance * sin($directionInRadians);
$oneDegreeLongitudeInKilometers = 2 * M_PI * self::EARTH_RADIUS_IN_KILOMETERS * cos($originalLongitude) / 360;
$latitudeDelta = $yDeltaInKilometers / self::ONE_DEGREE_LATITUDE_IN_KILOMETERS;
$longitudeDelta = $xDeltaInKilometers / $oneDegreeLongitudeInKilometers;
$object->setGeoCoordinates(array('latitude' => $originalLatitude + $latitudeDelta, 'longitude' => $originalLongitude + $longitudeDelta));
}
