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IDProjectCategoryView StatusDate SubmittedLast Update
0000556Dwarf FortressDwarf Mode -- Flowspublic2010-04-05 20:052016-07-22 21:09
Reportershadow_slicer 
Assigned ToLoci 
PrioritylowSeverityminorReproducibilityalways
StatusresolvedResolutionduplicate 
PlatformWine (wine-1.1.31)OSUbuntu Linux 2.6.31-20-genericOS Version
Product Version0.31.01 
Target VersionFixed in Version 
Summary0000556: Pumping from ocean to cistern, ocean drains, cistern never full.
DescriptionI've encountered this in my three most recent forts. I pump from the ocean (other water sources not tested) directly to a hole (open space) 1 or more floors above the cistern. The cistern consists of an empty room with a floodgate on one side leading to the farming area and is connected via a diagonal to another tile which is below a well.

When the pump is active, it pumps water from the ocean to the cistern. If the cistern's lower level has 7/7 water, the pump still consumes water from the ocean, but does not add additional water at the output (on top of the 7/7 water from the lower level).
Steps To ReproduceBuild cistern described as follows and fill.

Key: W=Wall _=Channel %%=pump X=floodgate o=Well ~=Ocean Water Tile

Top Level

  WWW o
~%%_W <= The water level on this floor is always 0/7!
  WWW

Lower Level
      WWW
   WWWW W
   W WW
   W X
   WWWWW
TagsNo tags attached.
Attached Files

- Relationships
duplicate of 0003161resolvedToady One Vertical hole only filled up to absolute z-level 0 by falling water 

-  Notes
(0001314)
shadow_slicer (reporter)
2010-04-05 20:10
edited on: 2010-04-05 20:11

The diagram was butchered, but you probably can get the idea. If not, copy the butchered diagram and paste it somewhere that uses a fixed width font...

(0001317)
Quietust (reporter)
2010-04-05 20:13

I'm reminded of a similar issue back from 0.28.181.40d - see http://www.bay12games.com/forum/index.php?topic=42571.0 [^]
(0017070)
GreenSpinach (reporter)
2011-04-04 15:48

With that forum post in mind, it seems like there is a feature to allow the ocean to absorb water like an aquifer can. If there is such a feature, maybe it is being incorrectly applied to artificial ponds, when it should be applied only when pumping into the ocean.
(0017072)
danaris (reporter)
2011-04-04 19:36

I noticed this too, in 0.31.23.

I tried to make a cistern to purify water from my tiny corner of haunted ocean, and made sure that I built walls around the level where the pump was—that being the level above the ocean, obviously—and when the pump filled up the lower z-level of the cistern, it just kept briefly putting water on top of it, which would then instantly disappear. Had to deconstruct the walls around the upper z-level to use it as a water source.
(0035676)
Loci (manager)
2016-07-22 21:09

This sounds like 0003161.

- Issue History
Date Modified Username Field Change
2010-04-05 20:05 shadow_slicer New Issue
2010-04-05 20:10 shadow_slicer Note Added: 0001314
2010-04-05 20:10 shadow_slicer Note Edited: 0001314 View Revisions
2010-04-05 20:11 shadow_slicer Note Edited: 0001314 View Revisions
2010-04-05 20:13 Quietust Note Added: 0001317
2011-04-04 15:48 GreenSpinach Note Added: 0017070
2011-04-04 19:36 danaris Note Added: 0017072
2016-07-22 21:09 Loci Note Added: 0035676
2016-07-22 21:09 Loci Relationship added duplicate of 0003161
2016-07-22 21:09 Loci Status new => resolved
2016-07-22 21:09 Loci Resolution open => duplicate
2016-07-22 21:09 Loci Assigned To => Loci


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