Edit UV map on centaur
Lasserine
Posts: 65
in The Commons
Anyone know a good way to edit the UV map on the centaur models so the horse/human transition is lowero n the horse body ?
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Depending on how low you want it, it's not a matter of editing the UV, but rather editing the opacity map used on the torso surface of the geoshell. If you want it drastically lower than it is now, I suspect you'd actually have to edit the geometry and geograft themselves.
I want the human skin to be lower than the opacity map allows espically in the back.
How much lower? Have you tried adding an opacity map to the coat surface?
More lower in the back and also front. I havent tried it on the coat surface or even think of doing that.
The problem with what you're trying to do is that the centaur anatomy as it currently exists is transparent in all the places that the anatomy's geometry overlaps with that of the character, and thus where there's already human skin underneath. If you try to change where the transition is, you'll need to apply human skin in a way that won't necessarily work, because the human skin below the existing transition contains details like legs, butt and groin, so the texture won't line up correctly and/or will contain details you (might) not want in a centaur. Some kind of procedural skin shader could work, but would need to be blended manually with the human skin. If you're particularly handy with image manipulation, you could try hacking the human skin you want to use into a seamless cylindrical formation so that you could put that around the "neck".
All that said, have you tried Centaur Maxx?
I have but im mainly working with centauresses, tried getting it to transfer over but didnt have any luck. A problem with the other taur from rawart is you can only use their skin textures and not others, also the back is still high. Lower are around where the pubic area is and on the back near the buttocks.
Maxx I think uses both the skin and coat for a better transition.
This is the main reason I rarely use the centaur models since I find the transition not to my tastes also and after days of trying to edit it, finally realized it's pointless and just moved on
What did you try editing so I dont fall into the same rabbit hole ?
Well, I just made a very unexpected discovery. While trying to adapt Centaur Maxx for G8F, I found out that apparently, somewhere in the file system, is a nearly full human flesh texture for the horse. You might try using this as a base for making your own blends. Also, apart from the stubble, it's a pretty good skin texture for women as well.
I did try adapting Maxx for G8F and didnt have any luck. I might not be sure how to fully do it.
Nice skin texture.
Thank you for looking into it.
This is as close as I've been able to get. There's one last bit that just isn't showing up properly, and I haven't managed to crack the code on why that is, even after copying the custom shader that Soto used for the human skin.
I think the upper body human part of Maxx is darker skin ?
It is also hard because the horse body UV splits open at the front of the body and the human torso splits at the back ........though you could mix the textures like RawArt does but it has to be done for each different horse or human skin ,which is why ....
Mostly I use post work to lower the hairline ...
Yes, and no matter what surfaces I copy-paste or shaders/materials I apply, that part never carries over, and I don't know why.
Thank you for trying
I am writing this out of pure memory, which it's not one of my virtues LOL, so not 100% sure.
I THINK the missing part is Torso in the horse Geometry Shell. I THINK you have to copy the horse body on the GS and paste it on the Torso on the same GS.
So basically, you have the horse with the creepy human skin and the Horse Geometry Shell with an opacity map on top of it all.
In theory, you could use whatever texture you want and try to match the creepy human skin on the horse to match it.
I got some time to try this and it seems the female centaur doesn't include the human torso in the UVs. The male one does. That's why the opacity map ends abruptly in the female one.
I am attaching opacity maps that don't require the human torso UV. Just put them in the required parts of the Centaur Shell.
You will need to manually match the horse body under the Geometry Shell to look as much as possible as the human torso shader. I recommend using the map included in Centaur Maxx as a base.
The geograft union between the human and horse might give a slightly green tint because of the translucency settings in some cases.
Thank you
Thank you @Hellboy
Im not sure how to match the horse body. I applied both to the centaur shell in coat, torso cutout opacity areas and not sure what else to do.
Can the transition be moved down more, say at her hips ? https://www.deviantart.com/liminalbean/art/Centauride-669503667 ; its past the current transition point.
I used Maxx's body skin on the Female Centaur body Coat with no opacity map ,then put the horse texture map on the Geometry shell on the Coat with the transmap in the opacity slot ,got rid of the opacity in the torso ,then it just took a little smudgeing in GIMP to blend out the seam or you could clone it out .....also I'm usig 3DL , not iRay
I didn't blend the second one it' just the Centuar body with the Geometry shell turned off
I am a bit bussy today, but if it'surgent, you can open both maps in an image editor, create a black circle in the center of the UV and blur it as desired. Just put the circle in the same position in both maps I posted earlier :D. Problem with doing it lower, is the union of the horse and human will be more visible. Postwork will help with that.
The maps I posted are for the torso and coat of the GS (with the horse textures). The centaur body under the GS needs to look as close as possible to the human skin. The map in Centaur Maxx will help you for this because the default centaur doesn't have human skin map for the horse body.
Nothing important. Will try it more. Heading out tomorrow for a few days and will try it more once home.
The coat image where do I apply that ? I tried cutout opacity didnt seem to do much.
Not sure what you mean by create a black circle in the center of the UV and blur. Im still trying to figure out which maps/textures go in which areas.
Try looking at where the originals are placed and replace them with the ones from Hellboy ,sometimes I just drop the torso one and smudge it in post work to lower the fur /coat area at her lower belly
They are black and white files which make me thing they go into cutout opacity.
I use 3DL and put them in the opacity channel of the Geoshell the one for torso in torso the one for coat in coat ....... but I don't have a clue where'd they go in Iray which is why I suggested looking at one of the regular Iray materials , and see how they are set up , .... and cut out opacity sounds right ,but check the Geoshell materials
Sorry I forgot about this. Even late, I'm leaving this here in case someone can make use of it:
The maps I posted earlier are opacity maps for the Geometry Shell of the centaur. Select the centaur Geometry Shell and put Torso with Torso and Coat with Coat, both in Cutout Opacity.
Now select the Centaur figure and make the Coat surface to match the human skin as much as possible.
The purpose of the Geometry Shell in the centaur is to create a waist transition via opacity maps. Without this, you would have a nasty clash of horse and human textures where the human and horse meshes unite.
The maps I posted, softens and lowers the cutout opacity transition in the GEOMETRY SHELL, but at the same time, exposes the nasty human/horse union of the CENTAUR BASE FIGURE. So you have to turn the horse material into human skin as close as possible to the character used. Centaur Maxx includes a human skin map for the horse area that makes this easier, without it, you would have to flat color it or get a tile skin texture.
If you want an even lower transition, first try to open both maps I posted in an image editor, duplicate the layer on both, and set to multiply. Save and try them. If they still don´t look as you want, try this instead:
Open the maps I posted in an image editor, in a new layer, create a black ellipse over the "neck" looking area of the map, expand and gaussian blur it to your liking until the neck opening becomes as big and soft as you need. This soft ellipse must be in the horizontal middle of the image to avoid a visible seam in the render. Then copy that ellipse and paste it in the Torso texture in the exact same position. Save both maps.
You probably will be going back and forth adjusting the ellipse in the image editor until you get the height and softness you want in the render.
I was hoping to lower the geometry shell to be able to make a lower transition, on the front and the back. The maxx one is nice, but I also wanted to use other coat colors.
Is there a, easier way using the oppacity maps to be able to use the better transition area in other renders, vs just edit the coat etc ?
Thank you for the help on this.