Dwarf Fortress Bug Tracker - Dwarf Fortress
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IDProjectCategoryView StatusDate SubmittedLast Update
0001573Dwarf FortressDwarf Mode -- Environmentpublic2010-04-27 02:142015-01-05 01:57
ReporterKhym Chanur 
Assigned ToFootkerchief 
PrioritynormalSeverityminorReproducibilityalways
StatusconfirmedResolutionopen 
Platformx86 (AMD Athlon 7550 Dual-Core)OSWineOS Version1.1.32
Product Version0.31.03 
Target VersionFixed in Version 
Summary0001573: Underground trees leave behind soil floors when cut down
DescriptionWhen you cut down the trees found underground, they leave behind a floor of the type of soil found on the surface, rather than the type of rock the cavern is made of. The floor's muddiness and the pile of mud remain, though.
Steps To Reproduce
Additional Information
TagsNo tags attached.
Relationships
has duplicate 0004492resolved Footkerchief Muddy stone floor turns into soil floor after plants grow on it 
related to 0006831new  Trees spawned in mid-air create a blob of red sand on the floor. 
related to 0007121confirmed Loci Cutting down mushroom trees leaves floating ramps of indeterminate material 
Attached Files
Issue History
Date ModifiedUsernameFieldChange
2010-04-27 02:14Khym ChanurNew Issue
2010-04-27 02:16FootkerchiefNote Added: 0005313
2010-04-27 02:24DoctorZuberNote Added: 0005314
2010-05-03 14:02The ArchitectNote Added: 0006028
2014-07-09 09:00FootkerchiefRelationship addedrelated to 0006831
2014-07-16 08:03FootkerchiefRelationship addedrelated to 0004492
2014-08-13 15:35FootkerchiefRelationship addedrelated to 0007121
2014-08-18 15:21JayJayForceNote Added: 0029264
2014-08-19 13:26JayJayForceNote Added: 0029327
2014-08-19 13:39FootkerchiefAssigned To => Footkerchief
2014-08-19 13:39FootkerchiefStatusnew => confirmed
2014-12-31 08:21FootkerchiefRelationship replacedhas duplicate 0004492
2015-01-03 11:13ptb_ptbNote Added: 0031664
2015-01-05 01:50ptb_ptbNote Deleted: 0031664
2015-01-05 01:57ptb_ptbNote Added: 0031697
2015-01-05 02:02ptb_ptbNote Edited: 0031697bug_revision_view_page.php?bugnote_id=0031697#r12672
2015-01-05 04:56ptb_ptbNote Edited: 0031697bug_revision_view_page.php?bugnote_id=0031697#r12673
2015-01-05 05:04ptb_ptbNote Edited: 0031697bug_revision_view_page.php?bugnote_id=0031697#r12674
2015-01-05 05:20ptb_ptbNote Edited: 0031697bug_revision_view_page.php?bugnote_id=0031697#r12675
2015-01-05 07:05FootkerchiefRelationship replacedrelated to 0004492
2015-01-05 09:20ptb_ptbNote Edited: 0031697bug_revision_view_page.php?bugnote_id=0031697#r12676
2015-01-08 08:39FootkerchiefRelationship replacedhas duplicate 0004492
2017-06-08 18:32HuntthetrollIssue Monitored: Huntthetroll

Notes
(0005313)
Footkerchief   
2010-04-27 02:16   
I think it's this old one:

# 000657 □ [dwarf mode][jobs][designations] (http://www.bay12games.com/forum/index.php?topic=8510.0, [^] http://www.bay12games.com/forum/index.php?topic=6870.0 [^]) harvesting vegetation can make sand turn into stone, and cutting down trees can turn stone into sand
(0005314)
DoctorZuber   
2010-04-27 02:24   
vegetation can turn sand into stone? Never noticed that one, but I never really do above ground planting either so I never harvest shrubs.

As for turning stone into sand, I always thought this was somewhat realistic. After trees take root somewhere they tend to turn the rock into soil. Maybe not this fast, but it does happen. I figured this was a feature.
(0006028)
The Architect   
2010-05-03 14:02   
Nah, it's a longstanding bug.

I would like to note that sand/soil can also be generated at season changes and saves/loads on obsidian caps (solidified vent openings), especially those created by the player. I haven't confirmed this for the new version, but I see no earthly reason to think it's changed.

Seeing your smoothed/engraved obsidian floors on the first level of your obsidian tower turn into sand is rather a serious affair.
(0029264)
JayJayForce   
2014-08-18 15:21   
Tried testing this in 0.34.11 and found fire clay cavern floor underneath a fungiwood tree and in several other high traffic locations in the first cavern.

Multi-tile trees in v0.40.x may no longer display this behaviour, though it could also be related to how soil layers are generated.
(0029327)
JayJayForce   
2014-08-19 13:26   
Tested in 0.40.09

Ground directly underneath Tree Trunk in first cavern layer was Fire Clay. Pastured Grazers also reveal Fire Clay when they eat the cavern plants. Both areas turned to appropriate stone type when down stairs where carved in them.

Shrubs gathered left only the bare rock behind which seems like a bug as no plant life will grow there.

Perhaps this should be closed, but plant life seems very buggy in the way it interacts with soil layers.
(0031697)
ptb_ptb   
2015-01-05 01:57   
(edited on: 2015-01-05 09:20)
Using DF 0.40.23, no mods.

1. 0004492 does not occur if the caverns have not been breached, simply because there is no plant growth. Muddying underground floors can't be used to make soil if there is no moss / underground shrubs / underground trees. I have done a number of tests to confirm this (details on request).

2. 0004492 is marked as a duplicate of this, but the comments here, and there, confused me. The comments in this report (1573) read like 'not a bug', IMO.

3. I have a number of tests. Summary: 0004492 still applies. Detailed results:
* Underground plants (e.g. cave moss) will grow on underground natural stone floor when muddy.
* Mud can be removed by building furniture (e.g. bed).
* Underground plants (e.g. cave moss) are _not_ removed by building furniture.
* Underground plants (e.g. cave moss) can grow in depth 1 water.
* Constructing (e.g. floors) on underground plants (e.g. cave moss) will remove the plants. Further, deconstructing that construction will reveal a soil type floor (e.g. black sand).

For convenience I will be uploading a save file from just before water is applied in a fortress where the first cavern layer has just been found.

Save file: http://dffd.wimbli.com/file.php?id=10384 [^]