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Author Topic: [40d] Magma pipe does not extend below 0 z  (Read 1878 times)

CobaltKobold

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[40d] Magma pipe does not extend below 0 z
« on: January 27, 2009, 10:27:02 pm »
Magma pipe does not extend below 0 z (it placed the Lava Flow at 0z)...while the map extends down to -14.

Was unable to locate a properly situated (near 13 or lower ocean, so z <0 available) chasm/pit/HFS to see if it also failed to extend that low, since that requires a mountain tile, much more difficult to e'en get into the low +teens...
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JoRo

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #1 on: January 28, 2009, 03:01:23 am »
You sure it's a magma pipe and not a magma pool?
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eerr

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #2 on: January 29, 2009, 04:30:31 pm »
due to geologic movement magma pipes may become magma pools instead, forming a layer of solid rock underneath.

i wouldn't be surprised if you found a bottomless chasm nearby either
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CobaltKobold

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #3 on: January 29, 2009, 08:03:52 pm »
It had a "magma flow" tile at its bottom, and extended for the ~150 z levels above that, so yes, I'm pretty sure it was a pipe.
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Dorten

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #4 on: January 30, 2009, 08:36:14 am »
Uou just was not supposed to get lower than 0 level... You've breached the bottom of world!!!
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CobaltKobold

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #5 on: May 29, 2009, 06:49:37 pm »
Will occur in d11. Gen-settings:
Spoiler (click to show/hide)
Pick the ocean-biome tile on the east side (col 17, row 9). Take a 5x5 site with magma pipe like so in your selection.
Code: [Select]
-----
≈----
-----
-----
----- You will get a magma pipe 146 z tall, from 0-145 or so, pre-exposed so you just need to embark. The map will go down below 0 z, to -14. Gonna try a few things with this, see what happens if you dig below the magma flow tile, what happens if you pierce it with ramp designation, etc.

edit:Magma flow tile acts like an impenetrable floor-digging under causes nothing. (It isn't even warm stone underneath.) Ramping from beneath causes upslope, but no downslope, like with stockpiles.
« Last Edit: May 29, 2009, 09:54:46 pm by CobaltKobold »
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Noble Digger

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #6 on: May 30, 2009, 05:36:26 pm »
This can also happen if you visit a site in adventurer mode and later embark there in dwarf mode. Toady said it has something to do with how the map is saved out when an adventurer leaves the area. The effect this had on my fortress was that I could dig 1 z-level deeper than the "bottom" of the chasm, and go underneath the "bottomless pit" tiles. It was good for a laugh or two and didn't really hurt anything.
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CobaltKobold

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #7 on: May 31, 2009, 01:32:39 am »
This is not quite that, as you can do so from fresh gen without any adventuring.
In at least three places on the map I posted, too, that's just the first I used. It's quite consistent about stopping at Z=0, much like sea level is Z=99(I may be off-by-one here)
edit: Did you try ramping up through either, or dropping things in it?
« Last Edit: May 31, 2009, 01:34:40 am by CobaltKobold »
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eerr

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #8 on: May 31, 2009, 04:02:11 pm »
oh, It was hard to figure out what you meant.

so you broke through the bottom of the world?
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Soralin

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #9 on: May 31, 2009, 07:47:01 pm »
Basically it seems that the world only goes down to z=0 normally, but when you embark somewhere you get +/- 15 levels from the highest/lowest areas you have, so if it's already at 0, you get negative levels, and something with the magma pipe doesn't handle that very well.
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eerr

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Re: [40d] Magma pipe does not extend below 0 z
« Reply #10 on: June 03, 2009, 12:58:55 pm »
Quote from: Soralin on May 31, 2009, 07:47:01 pm
Basically it seems that the world only goes down to z=0 normally, but when you embark somewhere you get +/- 15 levels from the highest/lowest areas you have, so if it's already at 0, you get negative levels, and something with the magma pipe doesn't handle that very well.
discontinuity between adventure mode and fortress mode.
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