Piwik\Plugins\UserCountry\Columns\Longitude::configureSegments PHP Method

    protected function configureSegments()
    {
        $segment = new Segment();
        $segment->setSegment('longitude');
        $segment->setName('UserCountry_Longitude');
        $segment->setAcceptedValues('-70.664, 14.326, etc.');
        $this->addSegment($segment);
    }