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The little ponds are ponds and inherit their host biome. Somewhat confusingly, the vanilla equivalent is made by a routine called "WorldGenLakes" even though they're not remotely any kind of "lake". The RTG lakes, which we often call "scenic lakes" to distinguish them, are much larger, as you can see in the pic I posted above. They get assigned water biomes (River by default, or Ocean if close to the ocean), because we would like mods that do things with inland water to recognize them as such. Fish or docks would be great on the scenic lakes but implausible or ridiculous in the ponds.

The ponds are decorations, like trees. The scenic lakes and rivers are made by RTG with specialized routines separate from the GenLayer system. The river strength you could get from the ChunkManagerRTG with getRiverStrength and the lake pressure (analogous) from the local biome with lakePressure; but that needs a bunch of vars from RTG. The value at which that they actually make a lake or a river varies but I could look up what it is approximately for you.

Quote from Titus_»

Just a quick question; if I set the biome size to 4.5 in the CC config, will the biomes sizes be increased proportionally, or will it default to a value 4 or 5 and act accordingly?

I'm asking this because I find size 4 makes the biomes too small and size 5 makes then too big, something just in-between would create a perfect balance.

I totally understand the sentiment, but the sizing system only allows integers. The system works by doubling the size at each step and there's no way to "half double" it. I'd expect it to crash with a biome size of 4.5, actually, because the Forge config system couldn't read 4.5 as an integer, although I've never tested and maybe they'll catch the error politely.

The closest you could do is that adding biomes decreases the average size of each biome you encounter, because it's less likely to be next to a twin. I'd guesstimate that biome size 5 with one of the biome mods would actually be pretty close to 4.5 with just the vanilla biomes.

Further improvements to the smoothing system coming in the next release candidate:

The old smoothing system would have largely squished that Highlands outcrop because it's so close to that swamp. In general, with the older smoothing system weighting, biomes tended to lose their "personality" as you got close to the borders. That "blah" zone is much narrower now, to the point that a lot of the time I can't even tell you where the transition zone is unless I'm clued in by the grass color. I'm really liking the effect and I think you will too.

To further back up the point, the pic is taken from a Forest Hills. Can you see where the Forest Hills ends and the Highlands begins? Not in the pic, and, honestly, even in the field it takes careful inspection. Worlds feel even more "seamless" now.

Quote from QlyoPhil»

Wow, this looks really great. I'm just wondering are hill like biomes more likely to connect to other non-vanilla like hill biomes for example HL Mountains?

Also the Forest-Hills ends by the green colored swamp trees.

RTG doesn't control where the biomes are placed - that's done by whatever is doing the biome layout (currently vanilla, CC, or BiomeTweaker). CC now has an option to make full biome mountains appear in chains but that doesn't affect sub-biomes, at least not currently. The smoothing system does often adjust heights to make things more "logical"; if there's a Hills sub-biome close to a mountain with a little bit of the host biome in between, that little bit will get raised up so the hill will "connect" to the mountain, with a saddle point in between. The smoothing has always done this but it does look better with this recent change.

(The smoothing algorithm doesn't "understand" that it's connecting up the two elevated biomes, but the large majority of the time what it does works out pretty well.)

But where does the Forest Hills end going towards the Highlands?

Quote from Eonix»

It seems that when I try to disable certain biomes in the BOP config, when I load the "Realistic" generator, the entire game world stops loading and I have to force-shutdown.

When I tried it in the "BOP" generator, all was well, no freezing or anything.

EDIT: Hah, I created a new world and nothing happened, although I spawned in a jungle. It seems that it must only crash when trying to load those biomes that are disabled. Weird. Any advice?

What version are we talking about here? 1.7.10, 1.8.9, 1.9?

How are you trying to disable the biomes? Because BoP biomes can't be disabled internally, you need to use BiomeTweaker with it's .remove() method, or you need to set the biome's incedence to 0.

Quote from Daihok75»

Question on the generation of the trees. If you plant a sapling like oak spruce ect.. Will it have chance to produce a tree from RTG, like the taller ones ect.

At present no, saplings make exactly the same kind of trees they do in vanilla. We are planning an addon that allows you to grow the RTG trees, but we want to get RTG going first.

Quote from Sedridor»

I wouldn't do it, BoP has been stripped down to its bare bones in its 1.9 version. They removed so many biomes from it. From 90+ down to 63. And they made configuring it an extreme hassle.

Sludge

Highlands 1.8.9 seems to only have about 20 biomes too.

I was just noticing as I updated CC to 1.8.9 that the BoP folks had pulled most of the "ugly" and "boring" biomes - Sludgepit, Arctic, Tundra, Silkglades, etc. That might sound like a good thing, but I think having a few biomes like that adds spice to a world and make the showpiece biomes like Cherry Blossom Grove stand out and shine even more.

Highlands 1.8.9 is only 20 biomes, but it's basically 20 *new* biomes. Sdj64 changed to a completely new methodology for the terrain.