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Difference between revisions of "40d Talk:Water pressure"

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  ############
 
  ############
 
The blue water tiles should not be filled before the plus marked ones (empty). But this situation can easily be made ingame--[[User:Dorten|Dorten]] 07:07, 18 March 2009 (UTC)
 
The blue water tiles should not be filled before the plus marked ones (empty). But this situation can easily be made ingame--[[User:Dorten|Dorten]] 07:07, 18 March 2009 (UTC)
==Water and Fortification - BUG==
+
==Water U - BUG==
 
http://mkv25.net/dfma/movie-1407-pressurebugwithfortification
 
http://mkv25.net/dfma/movie-1407-pressurebugwithfortification
  
Line 37: Line 37:
 
  ###≈###≈### z -1
 
  ###≈###≈### z -1
 
  ###≈###≈### z -2
 
  ###≈###≈### z -2
  ###≈≈F≈≈### z -3
+
  ###≈≈≈≈≈### z -3
  
 
  W - Water from a water source
 
  W - Water from a water source
 
  # - Solid wall
 
  # - Solid wall
 
  ≈ - Water
 
  ≈ - Water
F - Fortification
 
  
Because of the fortification, the water does not go up to the z-level it came from.
+
The water does not go up to the z-level it came from.

Revision as of 11:13, 18 June 2009

Verification of U-bend bug. [1] VengefulDonut 12:37, 7 January 2008 (EST)

Do you happen to have a save file so I can poke it a bit? --SL 11:06, 15 January 2008 (EST)
I don't, but it has been reliably reproducible. VengefulDonut 23:37, 15 January 2008 (EST)

Deep water pressure bug?

I just had an odd experience. I lucked into a map with a brook high up on a mountain slope, a deep ravine next to it with an extremely narrow mouth I could easily wall off, and goblin buildings down at the bottom of the slope. So I made a huge five-level-deep reservoir and dug a floodgate-controlled tunnel from the lowest level right into the basement of one of the goblin forts. The reservoir was filling slowly so I had the opportunity to test-fire the flood in some disposable save games while the reservoir was still only partly full; it gave the wonderful drowned-goblin corpse-fountain effect I was hoping for. But once the reservoir had finished filling up to 7 on the highest level, even with the brook that was feeding it, opening the floodgate produced only a disappointing unpressurized trickle. It wasn't until I dug a single channel square at the edge of the reservoir, introducing a single non-7 square to the uppermost water layer, that the torrent instantly let loose with all its pressurized might. A known issue? Some of this page is a bit too arcane for me to follow right now so I'm not sure if it's mentioned. Bryan Derksen 01:59, 28 June 2008 (EDT)

That's almost certainly because it's being treated as part of the brook, since brooks and rivers don't produce (and even neutralize) water pressure. --Edward 14:49, 28 June 2008 (EDT)
Ah, so if I closed the floodgates feeding the reservoir to sever the connection with the brook it'd pressurize? Interesting physics in DF world. :) Bryan Derksen 03:09, 30 June 2008 (EDT)
Are aquifers treated the same way? I have a pond fed by digging stairs up into an aquifer, and dug out the wrong tiles around my pump. My entire fort should be submerged, but all I got was a pond at permanent 7/7.
Aquifers don't generate water pressure, and don't fill z-levels higher than the one on which they were originally found. Aosher 18:29, 12 March 2009 (UTC)

To clear out

Water sources attempt to generate water in tiles adjacent to pressurized tiles. They will not generate water in tiles above
pressurized tiles unless the water source has nowhere else to generate any water, and they will never generate water above 
the water source's z-level. 

What exactly does this mean? If I understand right, then it's a lie--Dorten

What do you think conflicts with the model? VengefulDonut 02:43, 9 February 2009 (EST)
Things like this (side view)
≈≈≈≈≈≈≈# ≈≈≈
≈≈≈≈≈≈≈#≈≈≈≈≈≈++
≈≈≈≈≈≈≈###≈#####
≈≈≈≈≈≈≈≈≈≈≈#
############

The blue water tiles should not be filled before the plus marked ones (empty). But this situation can easily be made ingame--Dorten 07:07, 18 March 2009 (UTC)

Water U - BUG

http://mkv25.net/dfma/movie-1407-pressurebugwithfortification

W≈≈≈###  ## z  0
###≈###≈### z -1
###≈###≈### z -2
###≈≈≈≈≈### z -3
W - Water from a water source
# - Solid wall
≈ - Water

The water does not go up to the z-level it came from.