protected function configureSegments()
{
$segment = new Segment();
$segment->setSegment('latitude');
$segment->setName('UserCountry_Latitude');
$segment->setAcceptedValues('-33.578, 40.830, etc.<br/>You can select visitors within a lat/long range using &segment=lat>X;lat<Y;long>M;long<N.');
$this->addSegment($segment);
}