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Author Topic: Understanding Exported Maps  (Read 387 times)

Kogan Loloklam

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Understanding Exported Maps
« on: September 20, 2009, 12:17:21 pm »

To begin with, this data is based on 0.28.181.40d11. It should be true for the entire D series.

I've recently been examining the exported Biome map and exported Vegetation map, and comparing it to Dwarf Fortress locations. I'm driving myself insane doing so.

The Vegetation map. I am making the assumption anything black-black(0,0,0) is "No Vegetation". It holds mostly true, but in some places my tundra is called having 20,20,20 right next to a 0,0,0. Normally I'd think "Okay, so it must have something different."
Well, in found a fort mode it is registered as different biomes... One is the Freezing, no trees, no other vegetation untamed wild tundra, the other is... the Freezing, no trees, no other vegetation untamed wild tundra.
They both have the exact same stats. I suspect something small like rainfall is why it shows as different biomes in found a fort mode.
They both have "No Vegetation", so why does one get as high as 20,20,20?
Well maybe some kind of super-frost resistant grass grows in that spot. So we'll move on. I've got this nice little chunk of forest sitting right next to badlands. This forest shows up in the biome map as forest, but shows up as 0,0,0 in the Vegetation map. The Biome map only places this little sliver of forest as forest and ignores all the areas of the same named region. Back to examining the biomes in found a fort mode, there are 4 in the "woods". You have 2 Taiga and 2 conifer forests. One of those conifer forests is the one that shows up as forest, the other doesn't. The other 3 Biomes are coming up as 163,163,163 for their vegetation map. They are all woodland w/ moderate vegetation while the one marked as forest on the biome with no vegetation on the vegetation is "heavily forested" with "thick" vegetation.

Now, I know -WHY- it did the biome map as it did. It took the region map and placed the biome off of it. The "Hills" came off as the same color as Grassland and Savannah, instead of it's sub region of forest. That is what the Vegetation map is mostly for, to track those woods. We run into a problem real quick though, and that is determining the official border of those regions, and how trustworthy is the vegetation map when it'll call a forest the same as a tundra.

Less of a question, more of a general gripe. Dratted system.
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