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0006749Dwarf FortressDwarf Mode -- Buildings, Generalpublic2014-07-08 18:382014-07-29 11:55
Toady One 
WIndows 7: 64-bit
0006749: When a root tile is mined or channeled, the entire tree ceases to exist
One root tile is sufficient to produce the effect. No wood or other material drops when the tree disappears. All other tree roots instantly change to stone or soil tile types.
designate a single root for mining.
No tags attached.
related to 0006591new  Trees are always chopped completely, regardless of where chopping designation is given 
has duplicate 0006832resolved Footkerchief Trees and tree roots disappear when roots are mined or channeled into. 
has duplicate 0007420resolved Knight Otu Tree will disappear when a channel is dug into its root. 
related to 0006590resolved Toady One Root Mining Designation Not Graphically Noted 
Issue History
2014-07-08 18:38fox61524New Issue
2014-07-08 18:39lethosorRelationship addedrelated to 0006591
2014-07-08 18:40lethosorNote Added: 0025201
2014-07-08 18:40lethosorIssue Monitored: lethosor
2014-07-08 18:49ButtonNote Added: 0025205
2014-07-08 21:04SomethingCollapsedOverheadNote Added: 0025236
2014-07-08 21:11rhoramaNote Added: 0025239
2014-07-09 08:58FootkerchiefRelationship addedhas duplicate 0006832
2014-07-09 08:59FootkerchiefRelationship addedrelated to 0006590
2014-07-09 17:37fox61524Note Added: 0025424
2014-07-09 17:38fox61524Note Edited: 0025424bug_revision_view_page.php?bugnote_id=0025424#r9485
2014-07-09 17:39fox61524Note Edited: 0025424bug_revision_view_page.php?bugnote_id=0025424#r9486
2014-07-11 23:09scribermanNote Added: 0025944
2014-07-14 21:19FootkerchiefRelationship addedhas duplicate 0007313
2014-07-17 09:20Knight OtuRelationship addedhas duplicate 0007420
2014-07-17 09:21Knight OtuSummaryWhen a root tile is mined, the entire tree ceases to exist => When a root tile is mined or channeled, the entire tree ceases to exist
2014-07-17 12:51JoeJoeNote Added: 0026773
2014-07-22 10:52FootkerchiefRelationship deletedhas duplicate 0007313
2014-07-28 03:37AesculaNote Added: 0027751
2014-07-29 11:55Toady OneStatusnew => resolved
2014-07-29 11:55Toady OneFixed in Version => Next Version
2014-07-29 11:55Toady OneResolutionopen => fixed
2014-07-29 11:55Toady OneAssigned To => Toady One

2014-07-08 18:40   
I've seen logs suspended in midair when this happens (around 2-3 levels above ground). Can you check and see if this is happening?
2014-07-08 18:49   
When I've seen this behavior, I don't get logs suspended in midair - I don't get logs. What I do get is bizarre holes in the sky where parts of the tree used to be.
2014-07-08 21:04   
This may have happened to me as well, when you go investigate, the entire structure of the above ground tree appears as 'inside'.
2014-07-08 21:11   
This may also be related to bug 6704 that involves collapse notifications when entire trees cease to exist.
2014-07-09 17:37   
(edited on: 2014-07-09 17:39)
sorry about the delay.

No logs, midair or otherwise.

There are a few sky tiles where the top of the tree used to be which are black with '-' in either red or green. Is that what you mean by holes?

None of the former tree tiles list as 'inside' for me

I've gotten the collapse notification for some mined roots, and for some standard chopped down trees. It seems like the message pops up when the lowest trunk section is right next to lower ground (When I chop these trees down normally, some of logs fall an extra z-level to the ground and wind up at the bottom of the adjacent ramp)

2014-07-11 23:09   
Hey, this is kind of cool. :> But, yes, I can reproduce the bug as originally described. I have created a save file for convenience, though I don't think it is specific to any save file.

Debian Wheezy 7.5
uname -a:
Linux 3.2.0-4-amd64 <POUND>1 SMP Debian 3.2.57-3+deb7u2 x86_64 GNU/Linux

1) Fresh unpack of Dwarf Fortress 0.40.02 SDL from http://www.bay12games.com/dwarves/df_40_02_linux.tar.bz2 [^]
2) Fresh unpack of bug6749.zip from http://dffd.wimbli.com/file.php?id=8894 [^]
3) Press ESC 3 times (to get past intro), then choose "Continue Playing."
4) Load region "bug6749"
5) Center on the miner.
6) Unpause, then watch as the root is dug out (already designated), then the entire tree vanishes, and the roots turn into Silty Clay Loam Wall!

Also, same results with Windows 7 Pro SP1 32bit, updates current.
2014-07-17 12:51   
also, when designating a ramp on a root tile, the tree also vanishes, but the floor between the tree and the ramp isn't removed.
2014-07-28 03:37   
I just saw this and wound up with "Snow covered Open Space" which is one of the more confusing things around. But it is rather annoying.