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[Bryan Derksen]

Just came across this bit of art, and it struck me as just the sort of thing a deranged DF player might have had his deranged dwarves build.

http://www.marcobauriedel.com/PICHTM/2d_1.html

Flying cars aside, anyone built anything along these lines? Bonus points if the land below wasn't submerged in water to begin with.

[Time Kitten]

I believe that we don't use world flooding any more.  We use levers, and initiate a colony drop every time a siege occurs.

(Also, currently considering an under-sea tree farm next time i flood the world in addition to tower mounted cities.)

[KaelGotDwarves]

After all these threads I'm tempted to build the most massive pump system ever and build an island fortress.

[sneakey pete]

After all these threads I'm tempted to build the most massive pump system ever and build an island fortress.

Someone did that last week. Or tried at least.

[Mel_Vixen]

I tried that various Times in some lakes. It works when they freeze. You just have to be fast enought in wall construction.

[Deadmeat1471]

HMM! i gotta try that. im going to.... leave a strip by the coast of a big sea as a sea wall.... dig the hell out of the rest of the map and build upwards via walls...... then send a martyr down to crack a hole in the sea wall..... i wonder if this would work..... if i made the zone small enough it could possibly flood the entire thing.... but id need huge amounts of rock and wood stockpile to do it as such a small place would have neither in abundance. anyone think that would work?;assuming i could amass the stockpile either by starting points or collection.

This is indeed a difficault thing.

[andrea]

what you have to do is to build pillars like the ones in the link of the opening post, then collapse all the world. sea will enter in the hole (if you have sea of course) and you will have a wate rcity.

(of course now this is in my megaproject list now)

[Warlord255]

what you have to do is to build pillars like the ones in the link of the opening post, then collapse all the world. sea will enter in the hole (if you have sea of course) and you will have a wate rcity.

(of course now this is in my megaproject list now)

But how will the goblins attack?

[Time Kitten]

By you're undefended access bridge leading to your 3 tiles of land, silly.

[Fossaman]

One of these days I'm going to find a nice flat plain with an aquifer. It's going to be completely surrounded by pumps, facing outwards, which will be left on at all times.

No entry!

Hmm...speaking of aquifers, that would really be the easiest way to do the whole island fortress thing. Dig away everything above the aquifer, and then anything you dig after that will be sopping wet. You'd have to leave a bunch of aquifer 'islands' dotted about to keep the flow going, though.

[Eita]

Just came across this bit of art, and it struck me as just the sort of thing a deranged DF player might have had his deranged dwarves build.

http://www.marcobauriedel.com/PICHTM/2d_1.html

Flying cars aside, anyone built anything along these lines? Bonus points if the land below wasn't submerged in water to begin with.

No, bonus points come in if the land was submerged in water and you then kept digging out stuff underneath the waves.

[Time Kitten]

Extra bonus points to the MAX if you came at that water from underneath.

[Deadmeat1471]

Extra bonus points to the MAX if you came at that water from underneath.

I tried that, both miners drowned clutching their picks, i swiftly abandoned that 'fort'.

[Randy Gnoman]

Pfft!  Forget all of those complex pillar schemes.  You can build a 'natural' island from scratch!

Ingredients:

One lava vent
One elevated chute
One ocean

Preparation:

Extend the chute from the magma vent, out over the ocean to the desired location for your new island.  Begin magma pour.  The magma will harden into a layer of obsidian on contact with the water, and collapse onto the sea floor.   The result is a pillar of obsidian leading straight up to the water's surface (since the layers that you pour collapse straight down onto one another), which then mushrooms out into a platform.

Theoretically, I suppose that you could get a more convincing sort of pillar if you cut off the magma flow one level below the water surface, and relocated to an adjacent square.  The timing would be difficult (although a bold miner could always adjust your mistakes with a channel, if you could find a way to get him out there), but you could possibly even make a hollow pillar which you could then pump out to access the sea floor without tunneling over from land.

EDIT: Err, actually, for accessing the sea floor through your pillar I guess you'd need a solid core, since you can carve downwards, but not construct downwards.

EDIT #2: Aha!  Dash timing!  Maybe you could make a mold...

You'd need a lot of bauxite, but perhaps by making a 3X3 row of staircases (up, down, up-down- AFAIK it wouldn't matter, since you'd only be using them because you can place hatches on them, and walk on them), placing floor hatches over the staircases, and placing a floodgate directly on the edge of your mold, like so:

Code: [Select]

╔═══╗
║эээ╠═══
║эээ█+++
║эээ╠═══
╚═══╝(Where э= a floor hatch and █ a floodgate because I couldn't quickly locate the appropriate symbols)

Then maybe you could fill your mold, close your gate, and open your hatches to drop a clean 9X9 section of pillar onto the sea floor below.  I reckon you'd have to find a flat patch of ocean- but that's not really so hard.