/**
* Get distance from another position
*
* @param PositionAbstract $position Position to get distance from.
*
* @param string $units Units to return. Default (m) is miles.
* n = nautical miles, k = kilometers,
* f = feet, i = inches.
*
* @param float $adjustment Adjust the distance to take turns into account.
* 1.125 seems to be the most accurate.
*
* @return float Distance in the specified units
*/
public function getDistanceFrom(PositionAbstract $position, $units = 'm', $adjustment = 1.125)
{
$miles = $adjustment * 3959 * acos(cos(deg2rad($this->getLat())) * cos(deg2rad($position->getLat())) * cos(deg2rad($this->getLng()) - deg2rad($position->getLng())) + sin(deg2rad($this->getLat())) * sin(deg2rad($position->getLat())));
switch (strtolower($units)) {
case 'k':
// kilometers
return $miles * 1.609344;
break;
case 'n':
// nautical mile
return $miles * 0.868976242;
break;
case 'f':
// feet
return $miles * 5280;
break;
case 'i':
// inches
return $miles * 63360;
break;
case 'm':
default:
return $miles;
break;
}
}
/**
* Constructor
*
* @param string|PositionAbstract $southwest Southwest point of the rectangle
* @param string|PositionAbstract $northeast Northeast point of the rectangle
* @param array $options Array of rectangle options {@link http://code.google.com/apis/maps/documentation/javascript/reference.html#RectangleOptions}
* @return Rectangle
*/
public function __construct($southwest, $northeast, array $options = null)
{
if ($southwest instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->southwest = $southwest->getLatLng();
} else {
$geocode_result = \PHPGoogleMaps\Service\Geocoder::geocode($southwest, true);
if ($geocode_result instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->southwest = $geocode_result;
} else {
throw new \PHPGoogleMaps\Core\GeocodeException($geocode_result);
}
}
if ($northeast instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->northeast = $northeast->getLatLng();
} else {
$geocode_result = \PHPGoogleMaps\Service\Geocoder::geocode($northeast, true);
if ($geocode_result instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->northeast = $geocode_result;
} else {
throw new \PHPGoogleMaps\Service\GeocodeException($geocode_result);
}
}
if ($options) {
unset($options['map'], $options['bounds']);
$this->options = $options;
}
}
/**
* Add a waypoint
*
* @param string|PositionAbstract $waypoint The waypoint
* @param boolean $stopover
*/
public function addWaypoint($waypoint, $stopover = true)
{
if ($waypoint instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->request_options['waypoints'][] = array('location' => $waypoint->getLatLng());
} else {
if (($geocode_result = \PHPGoogleMaps\Service\Geocoder::geocode($waypoint, true)) instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->request_options['waypoints'][] = array('location' => $geocode_result->getLatLng());
} else {
throw new \PHPGoogleMaps\Service\GeocodeException($geocode_result);
}
}
}
/**
* Set map center
*
* @param string|PositionAbstract $center Location of the center. Can be a
* location or an object that extends PositionAbstract.
* @return boolean
*/
public function setCenter($center)
{
if ($center instanceof \PHPGoogleMaps\Core\PositionAbstract) {
$this->center = $center->getLatLng();
return true;
}
$geocode_result = \PHPGoogleMaps\Service\Geocoder::geocode((string) $center);
if ($geocode_result instanceof \PHPGoogleMaps\Service\GeocodeResult) {
$this->center = $geocode_result->getLatLng();
return true;
}
return false;
}
