If you are recording a replay and a script calls LuaPlayer.zoom_to_world to switch the player rendering mode to the "zoomed in map" mode at a given point..
Then when replaying the replay, this zoom-to-world takes effect during the replay and never reverts to the regular camera which follows the ...
Putting a counter at each end of a (long) belt lets you limit the number of items waiting, rather than filling the whole belt:
belt-limiter.png
Left combinator group is a differentiator+filter that counts items removed from the left smart chest. Right combinator group is a differentiator+filter ...
Here's something similar I cooked up. It counts increases in whatever signal you give it. You can use this to measure the incoming (or outgoing, see below) rate to a set of buffer chests, just wire them all together. You can use it with tank signals too, or anything else that generates a changing ...