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IDProjectCategoryView StatusDate SubmittedLast Update
0004315Dwarf FortressFlowspublic2011-03-24 09:102011-03-27 15:44
Assigned ToToady One 
PlatformOSOS Version
Product Version0.31.22 
Target VersionFixed in Version0.31.23 
Summary0004315: Water causes deletion of ramps and stairs submerged inside (possibly due to grass)
DescriptionWater in version .22 appears to be causing ramps and stairs submerged inside it to be disappearing. But it seems to require grass to be growing on the tiles, or flowing water to do it.

It would actually be kinda feature-y since I would expect water to slowly wear away ramps or fragile structures like stairs, but in the deletion of stairs it ends up blocking flow from going down the missing stairs, and in the case of ramps it leaves downward ramps hanging in the air.
Steps To ReproduceDig into a water source allowing it to fill into a channel made of ramps or stairs. Allow grass to grow in the water. Watch as ramps slowly disappear over a few minutes.
Additional InformationI have not been able to determine exactly weather it's grass or flowing water that makes the stuff vanish. As it requires the water to flow for some time. And when I tested that, I did so by breaching the cavern and draining it there, which introduced underground grass into the water.
Tagsflows, ramps, stairs
Attached Files

- Relationships
has duplicate 0004335resolvedFootkerchief Cave with broken half-slopes 
has duplicate 0004520resolvedDwarfu Incomplete slopes in caverns 

-  Notes
Greiger (reporter)
2011-03-24 11:02
edited on: 2011-03-24 11:03

According to another person (Ahonek) experiencing a similar issue it seems to happen to muddied tiles as well without water. The information is leading me to belive grass is the culprit, not flows so much. Also it seems to be related to grass dying on the tiles more than just the grass itself.

Relevant post: [^]

- Issue History
Date Modified Username Field Change
2011-03-24 09:10 Greiger New Issue
2011-03-24 09:12 Greiger Tag Attached: ramps
2011-03-24 09:12 Greiger Tag Attached: stairs
2011-03-24 09:12 Greiger Tag Attached: 0.31.22
2011-03-24 09:12 Greiger Tag Attached: flows
2011-03-24 09:33 Footkerchief Tag Detached: 0.31.22
2011-03-24 11:02 Greiger Note Added: 0016518
2011-03-24 11:03 Greiger Note Edited: 0016518 View Revisions
2011-03-24 11:24 LoSboccacc Issue Monitored: LoSboccacc
2011-03-25 01:37 Toady One Status new => resolved
2011-03-25 01:37 Toady One Fixed in Version => 0.Upcoming
2011-03-25 01:37 Toady One Resolution open => fixed
2011-03-25 01:37 Toady One Assigned To => Toady One
2011-03-25 10:39 Footkerchief Relationship added has duplicate 0004335
2011-03-27 15:44 LoSboccacc Issue End Monitor: LoSboccacc
2011-07-19 22:06 Dwarfu Relationship added has duplicate 0004520

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