default Cluster
If the data is a collection of point features, setting this to true clusters the points by radius into groups. Cluster groups become new Point features in the source with additional properties:
clusterIstrueif the point is a clustercluster_idA unqiue id for the cluster to be used in conjunction with the cluster inspection methodspoint_countNumber of original points grouped into this clusterpoint_count_abbreviatedAn abbreviated point count Default value: false.