System.out.printf("[%,d]: size = %,d bytes%n", numPoints, searchTree.toBytes().length);
System.out.printf("[%,d]: buildImmutable = %,d ms%n", numPoints, stop);
stopwatch.reset().start();
Iterable<ImmutableGenericBitmap> points = searchTree.search(new RadiusBound(new float[]{50, 50}, radius));
Iterables.size(points);
stop = stopwatch.elapsedMillis();
System.out.printf("[%,d]: search = %,dms%n", numPoints, stop);