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IDProjectCategoryView StatusDate SubmittedLast Update
0007872Dwarf FortressDwarf Mode -- Environmentpublic2014-08-06 05:282015-07-14 23:47
Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
PlatformOSOS Version
Product Version0.40.06 
Target VersionFixed in Version 
Summary0007872: Trees growing through bridges
DescriptionI channeled a hole for above-ground farm plots and roofed over the opening with a green-glass bridge. Two trees have grown through the bridge (the trunk is below the bridge, extends through the bridge, with branches and leaves on the z-level above the bridge. The bridge, at this point, appears intact and undamaged.
Steps To Reproducebuild a bridge over some saplings and wait
TagsNo tags attached.
Attached Files

- Relationships
related to 0007814needs feedbackFootkerchief Trees will still punch holes if ceiling is high enough. 
has duplicate 0008756resolvedLoci Trees growing under bridges prevent bridges from being used 
related to 0008308new Strange interactions between trees and bridges 

-  Notes
Detros (manager)
2015-07-12 11:12

Are dwarves able to path over that bridge? According to 0008756, "Trees growing under bridges prevent bridges from being used" they should not.
Loci (manager)
2015-07-14 12:04

It depends what part of the tree is at "bridge level". Thick branches are walkable. Twigs are not. Trunks block the tile.

Since the bridge was serving as a roof, dwarves were not frequently pathing over it.

Although I believe the problem summary is quite sufficient, I did upload this fortress for a different bug report; you can access it here: [^]
Detros (manager)
2015-07-14 23:47

Oh, so the pathing is just subject to different parts of tree that are in the way. I read 0008756 as "all tiles of bridge are now unaccessible after tree grow under it" but maybe Deboche just got lots of twigs there.

- Issue History
Date Modified Username Field Change
2014-08-06 05:28 Loci New Issue
2014-08-06 07:43 Footkerchief Relationship added related to 0007814
2015-07-12 11:12 Detros Note Added: 0032897
2015-07-14 12:04 Loci Note Added: 0032908
2015-07-14 23:47 Detros Note Added: 0032910
2016-07-31 06:41 Loci Relationship added has duplicate 0008756
2016-07-31 06:42 Loci Relationship added related to 0008308

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