salwon
1782
Can we get back to talking about how awesome Dwarves and their Fortresses are?
What are the rules for water drainage? For example, in one fortress, I built a well by channeling a hole, building a path to a river one z-level below the hole, and tapping a river. This led to a lovely well from which my dwarves could nurse their injured brethren. In another fortress, I built a well by channeling a hole, building a path to a river one z-level below the hole, and tapping a river. This led to the hole overflowing, flooding my apartment level, and drowning several dwarves who tried to go to sleep in their flooded rooms.
Any ideas what could have gone wrong?
Water pressure Salwon.
The falling water created pressure, which caused the water to shoot up through the well.
Further, if you had nothing to stop the water from continuously running from the river (like a floodgate) then your river filled up the reservoir, then decided to fill up the appartment.
You should have a large “lake” under the well and a floodgate (with lever to open and close it) - let the lake fill up, then close the floodgate. That should do it.
If the river is one z-level below the channel - you basically just made a tributary to the river and you won’t get the problem you described.
I agree, less bitching here and more “telling me when this releases.” All this empty talk is annoying.
Bael
Tankero
1784
The posting of those masterpieces and their accompanying stories made the whole exchange worthwhile. I just want the new release so I have an excuse to start a new fortress, even play a year in Qt3s next fortress.
salwon
1785
Okay, that was probably it then. I think in the first case, I was able to get my well on the same level as the river, but in the second it was flowing down a few levels first.
Demolira
1786
Yeah, if a river starts on a higher z-level, then it’ll have pressure if you tap the lower levels. If you make the water flow through a diagonal space, then it loses any pressure it has, so it should be safe.
salwon
1787
The diagonal thing makes no sense, except as a way to Game water pressure. From the wiki:
Obviously the game treats water connected only by a diagonal tile as not connected in terms of “pressure” but only in terms of “diffusion”. A common adaption of this behaviour is feeding water through a diagonal tile “to take the pressure out”:
Pressure cannot push water through diagonal gaps between tiles - instead, it will merely flow through if the water level on the other side is low enough.
I don’t understand the “obviously” part. But it seems like a good hack - build up as much pressure as you want going into the lake, just make sure the well itself is connected via a diagonal.
In every other way the game treats diagonals as being identical. Are we assuming that the thin space in the walls is enough to mitigate water pressure, but somehow not enough to stop a dwarf moving through?
EDIT: They didn’t try to sleep after the flood, but two tried to go down as it was flooding, got the “no path” error, and drowned almost immediately. Fun!
Pogo
1788
The dwarves tried to sleep there after the room was flooded?
JM1
1789
Sorry, you’re not allowed to show any impatience for the new release.
The no pressure through diagonal spaces thing is a bug. It’s not SUPPOSED to work that way. Maybe the new release will fix it :)
Alan_Au
1791
If you’re feeling bad about using the diagonals to reduce pressure, you can instead set up pressure plates to automatically close strategically placed floodgates when you hit some target water level in your reservoir.
Reed
1792
Just curious - are those ASCII art rewards unique per donation? And is there a minimum threshold, or do they actually do that for any donation?
MrCoffee
1793
They do it for any donation afaik.
JM1
1794
They are unique as far as I know.
“You’ll still be able to get this to happen if you lure them out of the caves onto a glacier”
Lorini
1797
Is the version released in 2008 still the latest version? I’m only asking to be sure I have the version you guys are discussing, not to complain.
Yeah, the most recent version is the Sept 08 one, v0.28.181.40d.
But there is the OpenGL version, v0.28.181.40d17, which was released last week. It doesn’t add content, but the support for resizing is much nicer.
MrCoffee
1800
