Custom Cluster Marker For Google Maps: How To

According to Google, “By clustering your markers, you can put a large number of markers on a map without making the map hard to read. When a user views the map at a high zoom level, the individual markers show on the map. When the user zooms out, the markers gather together into clusters, to make viewing the map easier.” The markers in the clusters, obviously, show as the default red marker for Google maps…