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IDProjectCategoryView StatusLast Update
0004529Dwarf FortressDwarf Mode -- Stockpilespublic2014-01-27 14:24
Reporterlando242 Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
Status newResolutionopen 
Product Version0.31.25 
Summary0004529: Removing old stockpiles causes underground tree saplings underneath them to mature instantly.
DescriptionI placed a stockpile over an underground silt floor when I first started digging underground. Later I broke threw the cavern layer and underground plants started to grow in that part of my fortress. The stockpile itself didn't have plants growing threw it but once I removed the stockpile a number of saplings that were underneath immediately matured to full trees. The stockpile was empty at the time of its removal.
Steps To ReproducePlace a stockpile over a patch of underground soil.
Discover the cavern layers to underground plants start growing inside your fortress.
Remove the stockpile several years later.
Watch fully mature trees spring up.
Additional InformationI have not tried this with aboveground trees.
TagsNo tags attached.

Relationships

related to 0002785 new Tree grows suddenly on top of constructed wall 

Activities

Logical2u

2011-04-15 05:39

manager   ~0017387

Are you sure the trees hadn't already grown, but rather the stockpile symbol prevented the full tree symbol from being displayed?

Quietust

2011-04-15 06:04

reporter   ~0017388

This behavior has actually been present since 0.28.181.40d and earlier - saplings will appear beneath buildings (and stockpiles count as buildings) and items such that removing the building/item will cause it to instantly mature to full size. The same thing happens when submerged in water - if the water depth drops low enough, the tree will instantly grow up if it's been there long enough.

Granite26

2011-04-15 08:40

reporter   ~0017391

Is it possible that the real issue is the sapling would normally have matured, but is prevented from doing so by the building? Then, when the building is removed, the check to mature no longer fails because there's a building in the way?

The way to test for this: does it only occur when the sapling has been around for a long time?

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Issue History

Date Modified Username Field Change
2011-04-15 01:18 lando242 New Issue
2011-04-15 05:39 Logical2u Note Added: 0017387
2011-04-15 06:04 Quietust Note Added: 0017388
2011-04-15 08:40 Granite26 Note Added: 0017391
2014-01-27 14:24 user6 Relationship added related to 0002785