public function bySignAction()
    {
        // Disable layout
        \Zend_Layout::getMvcInstance()->disableLayout();

        $service = new Service\LuxIntensity();
        $result = $service->getBySign(
            array(
                Domain\Sign::CKEY_ID            => 67,
                Domain\Sign::CKEY_CONFIGURATION => 1,
            )
        );

        $result->setMapping(\Dtm\Transformer\LuxIntensity::ROW_TO_OBJECT);
        $result->setItemCountPerPage(-1);

        $graph = new \Dtm\Domain\Graph\LuxIntensityByDay();
        foreach ($result as $intensity) {
            $graph->addIntensity($intensity);
        }

        $graph->render();
    }