Dwarf Fortress Bug Tracker - Dwarf Fortress
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0004646Dwarf FortressDwarf Mode -- Flowspublic2011-05-16 13:062018-01-15 20:27
eatatree 
 
normalminorhave not tried
newopen 
Linux
0.31.25 
 
0004646: Floor grates block flow of smoke (and bees)
Smoke will not pass upwards through a floor grate.

Also, a beehive with only a floor grate between it and the outside world considers itself to have no access to the outside.

As liquids are intended to pass through a floor grate, gasses (and small things like bees) ought to as well.
Dig out a chamber below the surface and fill it with smoke by throwing coal into lava.

Channel a hole in the ceiling. Note that the smoke will travel through the hole in the ceiling out into the surface world.

Put a floor grate in the hole. Note that the smoke is now trapped underground.

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Issue History
2011-05-16 13:06eatatreeNew Issue
2015-12-02 14:30eatatreeIssue Monitored: eatatree
2018-01-15 20:27KvallNote Added: 0037634
2018-04-16 10:32HuntthetrollIssue Monitored: Huntthetroll

Notes
(0037634)
Kvall   
2018-01-15 20:27   
The same can be said of fortifications, which used to be used to vent miasma to the surface but now block everything non-liquid in a similar way.