/**
* Does a homthety transformtion on the bounds, centered on the center of the bounds
*
* @param float $factor
* @return GMapBounds $bounds
* @author fabriceb
* @since Feb 17, 2009 fabriceb
*/
public function getHomothety($factor)
{
$bounds = new GMapBounds();
$lat = $this->getCenterLat();
$lng = $this->getCenterLng();
$bounds->getNorthEast()->setLatitude($factor*$this->getNorthEast()->getLatitude()+$lat*(1-$factor));
$bounds->getSouthWest()->setLatitude($factor*$this->getSouthWest()->getLatitude()+$lat*(1-$factor));
$bounds->getNorthEast()->setLongitude($factor*$this->getNorthEast()->getLongitude()+$lng*(1-$factor));
$bounds->getSouthWest()->setLongitude($factor*$this->getSouthWest()->getLongitude()+$lng*(1-$factor));
return $bounds;
}
