this post was submitted on 22 Mar 2026
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[Java] Map naming and syncing question (sh.itjust.works)
submitted 3 days ago* (last edited 3 days ago) by threelonmusketeers@sh.itjust.works to c/minecraft@lemmy.world
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I have two maps of the same area at the same zoom level.

At least one of the two has been renamed, such that its map ID is no longer visible.

Is there an easy way to determine whether these two maps are clones and will sync changes between each other?

P.S. Any recommended conventions for map naming? Cartesian coordinates? Cardinal directions?

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[–] elvith@feddit.org 2 points 3 days ago

I only know that you can find it out using a NBT editor of the world/save.

If you suspect that both maps share the same ID and want to check in game if they're the same ID:

Take one map with you, leave the renamed behind. enter the maps area. Build some blocks and check the map. Repeat until they start to show up on the map (depending on zoom level you only need a single block). Now leave the area of that map and check the renamed map. If it has the same ID, then it will reflect those changes. If not, it has a different ID.

If you have commands on, you might be able to use /data get to access some NBT data from an item in your hotbar, but I'm not sure if the map ID shows there.