yinkou/OCMapView — pull request #12 by schneider-iosphere (2012-12-11 16:29:31+00:00)
Title: adds new clusterInvisibleViews property to OCMapView

with `clusterInvisibleViews` set to `YES`, you need to call `-doClustering` only on zoom level changes, not on every other scrolling action. Performs quite good, tested with ~1000 annotations on 50,000 km^2.