Add options.disableClusteringAtZoom. Only implemented for initial clustering currently

README.md

@@ -45,6 +45,10 @@ var markers = new L.MarkerClusterGroup({ options: {
 ```
 Check out the [custom example](http://danzel.github.com/Leaflet.markercluster/example/marker-clustering-custom.html) for an example of this.
 
+### Other Options
+disableClusteringAtZoom: If set, at this zoom level and below markers will not be clustered. This defaults to disabled
+
+
 ### Events
 If you register for click, mouseover, etc events just related to Markers in the cluster.
 To recieve events for clusters listen to 'cluster' + 'eventIWant', ex: 'clusterclick', 'clustermouseover'.

src/MarkerClusterGroup.js

@@ -11,7 +11,9 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 
 		spiderfyOnMaxZoom: true,
 		showCoverageOnHover: true,
-		zoomToBoundsOnClick: true
+		zoomToBoundsOnClick: true,
+
+		disableClusteringAtZoom: null
 	},
 
 	initialize: function (options) {
@@ -221,6 +223,10 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 			maxZoom = this._map.getMaxZoom(),
 			currentZoom = this._map.getZoom();
 
+		if (this.options.disableClusteringAtZoom) {
+			maxZoom = this.options.disableClusteringAtZoom - 1;
+		}
+
 		//console.time('cluster');
 		this._topClusterLevel = this._clusterToMarkerCluster(this._needsClustering, maxZoom);
 		this._needsClustering = [];