marcotss2018 / cluster Goto Github PK

let clusterManager = ClusterManager()

let annotation = Annotation()
annotation.coordinate = CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
annotation.style = .color(color, radius: 25) // .image(UIImage(named: "pin"))
clusterManager.add(annotation)

func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
    var view = mapView.dequeueReusableAnnotationView(withIdentifier: identifier)
    if view == nil {
        view = ClusterAnnotationView(annotation: annotation, reuseIdentifier: identifier, style: style)
    } else {
        view?.annotation = annotation
    }
    return view
}

func mapView(_ mapView: MKMapView, regionDidChangeAnimated animated: Bool) {
    clusterManager.reload(mapView, visibleMapRect: mapView.visibleMapRect)
}

var cellSize: Double? // The size of each cell on the grid (The larger the size, the better the performance).
var zoomLevel: Double // The current zoom level of the visible map region.
var maxZoomLevel: Double // The maximum zoom level before disabling clustering.
var minCountForClustering: Int // The minimum number of annotations for a cluster. The default is `2`.
var shouldRemoveInvisibleAnnotations: Bool // Whether to remove invisible annotations. The default is `true`.
var clusterPosition: ClusterPosition // The position of the cluster annotation. The default is `.nearCenter`.

var style: ClusterAnnotationStyle // The style of the cluster annotation view.

override func configure(with style: ClusterAnnotationStyle) {
    super.configure(with: style)

    // customize
}