Deconflicting markers in map overlays
问题 I need to solve the problem of marking thousands of items on a map in a way that's accurate and readable and fast even when the user zooms out so that markers would overlap in confusing ways. It's an Android MapView , but my questions are more general. I am aware of Fluster, grid-based schemes, and various heuristics. These algorithms appear to be inaccurate in that cluster markers don't correspond to the centroid. My application is safety critical, and the markers are fairly big, so