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Author Topic: Poor biome borders with mountains  (Read 2360 times)

Zantan

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Poor biome borders with mountains
« on: August 31, 2009, 03:18:19 pm »
I just embarked on a 6x6 area including badlands, shrubland, and a named mountain.  The site had steep cliffs in the mountain biome.  However, they started exactly on the border of the biome, making a nearly perfect line over the entire map, broken only by a few ramps.  When I started the game, I did a double take because it looked just like 2D DF.  The setting felt incredibly artificial, which is unusual for DF.  It's also odd, because while this is my first named mountain site, I have played on volcanoes before, and they never have had this problem.  Is this a bug, or is this just what mountains are like in DF for now?



This was also
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TheDJ17

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Re: Poor biome borders with mountains
« Reply #1 on: August 31, 2009, 03:20:28 pm »
I'd like to see some screen shots.
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Shima

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Re: Poor biome borders with mountains
« Reply #2 on: August 31, 2009, 03:25:50 pm »
I'd like to see some, too.  If you got d11-d14, take some snaps in Visual Fortress too.
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Enzo

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Re: Poor biome borders with mountains
« Reply #3 on: August 31, 2009, 03:27:43 pm »
I doubt it's a bug but the RNG can occasionally spit out unnatural looking terrain divisions...
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Zantan

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Re: Poor biome borders with mountains
« Reply #4 on: August 31, 2009, 03:52:51 pm »
Here is a zoomed-out screenshot.  It's my first fortress in d16, so no visualize.

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Zantan

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Re: Poor biome borders with mountains
« Reply #5 on: August 31, 2009, 03:57:23 pm »
I'm sorry, here is one from ground level:



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Enzo

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Re: Poor biome borders with mountains
« Reply #6 on: August 31, 2009, 04:52:39 pm »
Yup, that's pretty straight there. I think Toady has said he needs to tweak worldgen a bit so this doesn't happen, but damned if I'll be able to find the quote where he says so.
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smjjames

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Re: Poor biome borders with mountains
« Reply #7 on: August 31, 2009, 04:56:17 pm »
I've seen that before where the terrain follows the region tile border.

It may have something to do with erosion, or at the very least erosion should make it less straight.
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timmeh

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Re: Poor biome borders with mountains
« Reply #8 on: August 31, 2009, 05:36:46 pm »
I got a similar effect on my current map, but it doesn't actually stay that straight very far up... too bad cause a map similar to the old 2d version would be epic...
« Last Edit: August 31, 2009, 07:20:53 pm by timmeh »
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Taritus

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Re: Poor biome borders with mountains
« Reply #9 on: August 31, 2009, 05:40:13 pm »
I remember a great fortress I had once.  Savage desert.  Had three perfectly square pillars rising straight up out of the ground.  It was to perfect.
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TheDJ17

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Re: Poor biome borders with mountains
« Reply #10 on: August 31, 2009, 06:36:45 pm »
The weirdest I've ever seen are the three z level high mountains at the edge of a forest.
But those would look natural in Real Life.
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Quote from: Mr S on August 16, 2012, 07:54:15 am
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smjjames

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Re: Poor biome borders with mountains
« Reply #11 on: August 31, 2009, 07:17:29 pm »
Quote from: TheDJ17 on August 31, 2009, 06:36:45 pm
The weirdest I've ever seen are the three z level high mountains at the edge of a forest.
But those would look natural in Real Life.

Those would be hills, not mountains, or maybe alluvial debribs from erosion.
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timmeh

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Re: Poor biome borders with mountains
« Reply #12 on: August 31, 2009, 07:21:12 pm »
Quote from: Taritus on August 31, 2009, 05:40:13 pm
I remember a great fortress I had once.  Savage desert.  Had three perfectly square pillars rising straight up out of the ground.  It was to perfect.
I don't suppose you have screenshots or a world-gen?
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Quote from: hjd_uk on June 01, 2010, 05:30:58 am
On the Wall is a Masterfully engraved carving of Urist McHardcastle and Goblins. Urist McHardcastle is surrounded by the Goblins. The Golbins are stamping on Urist McHardcastle. Urist McHardcaste is laughing at the Goblins. The carving related to the prolonged and bloody death of Urist McHardcastle in the Fall of 1659, the Winter of 1659, and the Spring of 1660. On the engraving is an image of Cheese.

Neruz

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Re: Poor biome borders with mountains
« Reply #13 on: August 31, 2009, 08:00:34 pm »
Every now and then the worldgen freaks out and creates dead straight cliffs.

I can't be certain, but i have noticed that these cliffs generally appear on biome edges, or above underground features, i've managed to find the HFS (which i often turn onto finder only for fun) a couple of times because there was a region tile that was partially bordered by perfectly straight cliffs.


I think what's happening is the game is 'overrunning' on the mountains, for the biomes for example the mountain should run into the desert biome or whatever, but because of sheer luck or something the biome it's running into is one that is coded as being almost perfectly flat, so it just removes the mountain that runs into it.
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GlyphGryph

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Re: Poor biome borders with mountains
« Reply #14 on: August 31, 2009, 09:45:36 pm »
Well, fairly straight sheer cliffs DO actually occur occasionally in real life as well, so i wouldn't call it that unnatural, even if they are pretty uncommon.
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