public function __construct(IGeoMap $p_dbObject = null)
{
$this->m_properties = self::$m_baseProperties;
$this->m_customProperties = self::$m_defaultCustomProperties;
if (!is_null($p_dbObject)) {
$this->m_dbObject = $p_dbObject;
} else {
$this->m_dbObject = new Geo_Map();
}
}