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[Sutremaine]

It's not pressurised at all.

However, an embark tile with a magma pipe will bubble up magma across its whole 48x48 area.

[JAFANZ]

I was wondering if it's possible to name tame non-pet animals in your fortress?

'cos I'm having trouble keeping track of which ones I want to pasture, cage & butcher (respectively).

I could swear there was a mention of naming animals in an episode of a DF Let's Play I watched on youtube (& I've tried doing it with Therapist), but my best guess is it was an episode of Arumba's Ideneral DFLP, which has a fair number of episodes, & I can't identify which one it might have been in, to see how he did it.

[Garath]

It's a feature in DFHack iirc

[JAFANZ]

Oh... Ok, Thanks.

[Farmerbob]

Öhm in the embark screen humans are displayed at second position. However it's now year 4 and no human caravan has showed up.
The elfses already showed up despite being only on 4th position.
Will humans still show up and when not why are they displayed at the embark screen?

The humans might be at war, or they might be really low population?  Copy yuor save folder into a new DF instance and end the game, then look through legends recent history for clues?

[smjjames]

Are forgotten beasts supposed to show up in hell? Because one did just now.

[BlackFlyme]

Yea, FBs show up down there occasionally.

To be fair, it is technically the fifth cavern layer.

[smjjames]

You mean fourth? Unless you're counting the magma sea as a 'cavern layer'.

[BlackFlyme]

Yep, magma sea counts as the fourth.

You can set which cavern layer a creature spawns in using:

[UNDERGROUND_DEPTH:min:max]

You can put in numbers from 0 to 5, with 0 being the surface.

[smjjames]

I don't think I can do that with FBs though.

[JeannieNitro]

It's not pressurised at all.

So, while you're already talking about magma pressure. I dont seem to understand it. To me it still seems to exhibit pressure. (Luckily I was playing around with its behavior before trying my first volcano embark. This would have been a very short fortress otherwise.)

Here's a picture along with badly drawn notes:


1: Here I channeled from above to get the magma down here. (So there's an upwards ramp at this spot.)

2: Here I dug a channel down to direct the magma flow. (So there's downwards ramps)

3: This and all other unmarked tiles are floor on the current z-level, though it's filled with magma.

4: Two z-levels up I channeled down to get the magma on this z-level.

If I understood the behavior of non-pressurised liquids correctly, the magma shouldn't rise up from the channel I dug at (2) to direct the flow of the magma. Just the same one z-level above it also overflows the downward channel and floods everything. If I got the wiki right, this should be the behavior of water and not magma.
Did I do anything wrong or is my dream of my dining room enclosed by a circle of magma dead?

[Baffler]

No issues jump out at me immediately, as long as you don't overfill the chamber.

My experience comes largely from water systems though, so take this with a grain of salt, or better yet, something magma safe. Gabbro, perhaps. Or mica.

[Garath]

The magma will rise up to the place where you breached and made the entrance. From your story it is somewhere above the current picture. The 'no pressure' means that even if you dig into the side it won't try to flood everywhere up to the level of the volcano top. It will still try to fill everything up to the level of your inflow

[smjjames]

I was checking since I thought I heard or read something about the magma sea being pressurized, but maybe it was a misinterpretation.

[JeannieNitro]

The magma will rise up to the place where you breached and made the entrance. From your story it is somewhere above the current picture. The 'no pressure' means that even if you dig into the side it won't try to flood everywhere up to the level of the volcano top. It will still try to fill everything up to the level of your inflow

Thanks, this explains it.

This will probably make my plans (beautiful magma streams on every level of the fortress for my dwarfs to look at (also: heating system) like in the dining room example) a lot harder. Channeling from the volcano top seemed to be the only safe way to get magma into these streams. Digging straight into the side of the volcano just seems so unsafe. (Well, let's just hope the "volunteer" miner can run fast enough.)