public function setType( $type, $options = array(), $series = 'default' )
    {
        parent::setType( $type, $options, $series );
        if ( $series == 'default' ) {
            $rendererOptions = $this->types['default']->getRendererOptions();
            if ( $renderer = $this->types['default']->getRenderer() ) {
                $this->options['seriesDefaults']['renderer'] = $renderer;
            }
            if (! empty( $rendererOptions ) ) {
                $this->options['seriesDefaults']['rendererOptions'] = $rendererOptions;
            }
        }
        return $this;
    }