new geo.util.ClusterGroup(opts, maxZoom, radius)
This class manages clustering of an array of positions hierarchically. The algorithm and code was adapted from the Leaflet marker cluster plugin by David Leaver: https://github.com/Leaflet/Leaflet.markercluster .
| Name | Type | Description |
|---|---|---|
opts |
object |
An options object |
maxZoom |
number |
The maximimum zoom level to calculate. |
radius |
number |
Size of clustering at zoom 0 in point gcs. |
Methods
-
protectedaddPoint(point)
-
Add a position to the cluster group.
Name Type Description pointgeo.geoPosition A point to add to the cluster.
-
clusters(zoom){Array.<geo.util.ClusterTree>}
-
Return the clusters contained at a given zoom level.
Name Type Description zoomnumber The zoom level.
Returns:
Type Description Array.<geo.util.ClusterTree> The array of clusters. -
points(zoom){Array.<object>}
-
Return the unclustered points contained at a given zoom level.
Name Type Description zoomnumber The zoom level.
Returns:
Type Description Array.<object> The array of unclustered points.