chriswunsch00

 private func loadPins() {
        var lamps = viewModel.batchLamps(forRect: mapView.visibleMapRect)

        if lamps.count == 0 {
            mapView.removeAnnotations(mapView.annotations)
            return
        } else if lamps.count > 100 {
            let range = 100...lamps.count - 1
            lamps.removeSubrange(range)
        }