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[YumYumFisch]

I have a suggestion for a little tweak to the game.
Just a few minutes ago i walked through my factory and realized: There is a underground belt output without an input.
So i thought how long has this belt been standing there without an input?

Then i thougt maybe it would be a good idea to have a warning message on the map where a underground belt has no input/output.
I dont know how hard it would be to add this feature but i guess it cant be to difficult...

(I would be happy)

EDIT:

Of course the same is true for pipes as well.

[Sad_Brother]

There is a case when you would need output without input intentionally.
It is when you would need to separate right and left sides of belt.

[darkfrei]

Same mod, but for pipes: Unconnected Pipe Finder

[YumYumFisch]

There is a case when you would need output without input intentionally.
It is when you would need to separate right and left sides of belt.

not really as you can use the filter function of a splitter/balancer (idk the english name) to separate 2 lines of a belt if you have only one resource on one side of the belt

Oh, and if you want to separate a belt using an underground one you must place an input and a output underground belt.

[Brathahn]

not really as you can use the filter function of a splitter/balancer (idk the english name) to separate 2 lines of a belt if you have only one resource on one side of the belt
Oh, and if you want to separate a belt using an underground one you must place an input and a output underground belt.

you can use a single underground belt. also its way faster and smaller than a splitter

ubeltsplit.PNG (83.77 KiB) Viewed 2876 times

[Zavian]

In addition to using undergrounds to separate lanes, when using belt weaving, I often use just the entry underground on the last set of assemblers, because that make it trivial to just blueprint the last 2 assemblers, and then paste the blueprint down to extend the assembly line.

eg

labs.jpg (906.46 KiB) Viewed 2849 times

(Shown here using labs rather than assemblers, but same principle).

[darkfrei]

(I would be happy)

Try to be happy:
https://mods.factorio.com/mod/ShowUnconnected

[Optera]

For completions sake:
Picker Extended had this feature for belts a while now
PickerPipeTools does a fantastic job sanitizing plumbers nightmares

[IronCartographer]

For even more completion and utility, this has similar effect and even shows the maximum range you can place an underground at while fixing the missing connection: https://mods.factorio.com/mod/Underground%20Indicators