/**
* Returns the boundaries of an array of Polygon objects
* @param Polygon[] $polygons array of Polygons
* @param float $margin margin factor for the bounds
* @return LatLngBounds
* @throws \yii\base\InvalidParamException
*/
public static function getBoundsOfPolygons($polygons, $margin = 0.0)
{
$coords = [];
/** @var Polygon $polygon */
foreach ($polygons as $polygon) {
if (!$polygon instanceof Polygon) {
throw new InvalidParamException('"$polygons" must be an array of "' . Polygon::className() . '" objects');
}
// merge LatLng arrays
$coords = ArrayHelper::merge($coords, $polygon->paths);
}
return LatLngBounds::getBoundsOfCoordinates($coords, $margin);
}
/**
* Returns the center of bounds of the
* @return \bariew\google\maps\LatLng
*/
public function getCenterOfBounds()
{
$path = ArrayHelper::getValue($this->options, 'path');
return is_array($path) && !empty($path) ? LatLngBounds::getBoundsOfCoordinates($path)->getCenterCoordinates() : null;
}
/**
* Calculates the center of an array of coordinates according to its bounds
*
* @param LatLng[] $coords
*
* @return LatLng
*/
public static function getCenterOfBounds($coords)
{
$bounds = LatLngBounds::getBoundsOfCoordinates($coords);
return $bounds->getCenterCoordinates();
}