I apologize for so many questions. And thanks in advance for any response.

The fact is that I can't render in Supefly, minimizing or completely deactivating reflections on human skin. In the materials room I set the specular and reflection colors to black and their values to zero. But still, those reflections that I don't want keep appearing.

Thanks for your patience with me. Greetings.

-

We need to be able to see the materials to be able to help. Can you post a screen shot?

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Hi, if you are using La Femme in Poser 13, I remember there's some material presets you can try for some quick options / starting point. I'm not in front of my desktop pc now, but take a look in your materials tab (installed or included runtime) and test it, maybe that helps. It is by Afrodite-Ohki I believe.

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I would say that the roughness is off. However, as RedPhantom commented, without seeing the Material Room shader for her skin we're just guessing at this point.

RedPhantom posted at 3:15 PM Sat, 24 June 2023 - #4468585

We need to be able to see the materials to be able to help. Can you post a screen shot?

hborre posted at 8:49 PM Sat, 24 June 2023 - #4468600

I would say that the roughness is off. However, as RedPhantom commented, without seeing the Material Room shader for her skin we're just guessing at this point.

Here it's:

Thank.

This is Snarly's EZSkin shader and it did have problems specularity, it was always set too high. I believe the remedy to your problem can be found in the EZBlinn Node. IIRC, reducing the reflectivity on that node will affect the overall glossiness.

hborre posted at 5:37 AM Sun, 25 June 2023 - #4468614

This is Snarly's EZSkin shader and it did have problems specularity, it was always set too high. I believe the remedy to your problem can be found in the EZBlinn Node. IIRC, reducing the reflectivity on that node will affect the overall glossiness.

Thanks Hborre for the information.

But I think the problem is in LaFemme Pro.

I have staged Sidney, original LaFemme and LaFemme Pro with its materials that it brings by default and the excessive brightness of LFPro is seen.

I have deleted all the specular nodes from the materials room, in the main panel I have set their values to negative and the colors to black, and there is no way.

However, with the FireFly render engine they can be removed, but not with SuperFly.

Okay. I have managed to remove the shine. I have changed the Procedural SSS texture for the Simple PBR. It doesn't have the quality of the first one, but it looks more natural. Anyway, I would appreciate if someone could tell me if it's possible and how to remove the shine from the Procedural SSS Texture. Thanks for your interest. Greetings.

To reduce the shine on the Procedural SSS, lower the reflection on the ezblinn node. But, make sure you change the right one. There are 2 nodes, one on top of the other, that are both called ezblinn. One is for superfly and the other is for firefly. I find it easiest to remove the firefly nodes if I'm not planning to use that render engine. I usually just check the firefly root box on the root node that's using superfly and then hit remove detached nodes button.

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Not sure if it applies in your case, but with my Vic4's I'm using the same material setup, the only difference are the diffuse and bump maps.
I'm not counting a lot on the PrincipledBSDF node and its specularity, I prefer to add a second layer based on anisotropy.
But, from time to time, some bump maps, with I repeat: the same setup and the same parameters, render my character quite oily, in these case I have to increase the effect of the bump maps.

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Well, after trying all the possibilities and diving into the depths of the material editor, in case something was left behind and I did not have the ability to see, there is no way to remove those shines. Not even erasing all the color panels, relief, etc. So I forgo specular materials for human skin. Unless I make a scene with someone sunbathing smeared with sunscreen. XD

If this is what you are after then you need to set the Reflectivity to 0 on the EZBlinn Node.

NO human skin is ever that matte. You need to retain some shine for it to be even borderline humanoid. Of course, it depends on what you're after in your renders. I also suspect there is something with your light setup and how the lights reflect off the environment and the skin again. Is it Poser 11, 12 or 13 Superfly you are using? The three iterations are very different.

Hello.

I use Poser13 and Superfly rendering with the GPU.

The scene lights are fully attenuated, although I don't want to disable the raytracer for metal reflections either. In the main material panel and in the EZBlinn node panel the reflection color is black and the reflectivity values are zero, even in negative. I don't know where the problem is but it only occurs with the LaFemme Pro Procedural material.

Try making the "Alternate Diffuse/Specular" Darker allot darker then you should be able to higher up the specular value. Alternate diffuse/Specular ends up in Superfly as a light (or Glow) and I do not think it belongs there for a skin, it also removes any shadow from a light on the surface of your model. This should fix your glossiness

Just a guess :)

jngzsz posted at 1:52 PM Sun, 25 June 2023 - #4468642

Hello.
I use Poser13 and Superfly rendering with the GPU.
The scene lights are fully attenuated, although I don't want to disable the raytracer for metal reflections either. In the main material panel and in the EZBlinn node panel the reflection color is black and the reflectivity values are zero, even in negative. I don't know where the problem is but it only occurs with the LaFemme Pro Procedural material.

Did you make sure you were changing the correct ezblinn? There are 2, one directly on top of the other. One is for firefly, one is for superfly. If you're changing one and you don't see a difference in the render, then change the other

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Did you see/read the thread I started about Soperfly skin in P13? https://www.renderosity.com/forums/threads/2978516/cycles-based-sss-skin-shader

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LaFemme Pro skin shaders are based on Snarly's EZSkin Python Script which does have some inherent problems but can get you to some approximations of 'real' skin. IMHO, the traditional PoserSurface node is becoming obsolete, a relic code that is no longer feasible with the current versions of Poser. It's a hard truth to accept but older and current content that is haphazardly put together with this technique will need to be reworked to render correctly.

We need one of the Python gurus to help create Ezskin presets for some of the recent, improved shaders

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To be perfectly honest, we need a collective of seasoned users and testers to suggest, agree upon, rewrite, and implement a code that not only optimizes the shaders but also provides a variety of alternatives and controls to tweak critical settings. In addition, we're talking a complete overhaul of the UI as it exists currently.

Question is, how long will such a project take and how many individuals willing to devote time to it?

I'd be happy to update EZSkin with new shaders, presets and UI, if others were willing to be involved.

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Quick, knowledgeable people, jump in! I am a small fry, but if you need testers (strictly end user knowledge here, I'm afraid) I am game.

I have zero knowledge of Python Scripting although I have age-old programming experience in other languages so following code isn't too difficult for me. I'd be willing to give input and testing, I'm pretty good at troubleshooting.

I wish I knew Python but my programming skills are as obsolete as a rotary dial phone. I'd be happy to help test.

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Like others I do not have the knowledge of Python to be able to help out but I do agree that some changes would be helpful. At the moment I am converting old content with the scripts that are available such as Go Physical from Ken1171_designs and what little knowledge I have of Superfly materials. With the textures I have changed I make a point of deleting the PoserSurface as part of the process.

I use Poser 13 on Windows 11 - For Scene set up I use a Geekcom A5 - Ryzen 9 5900HX, with 64 gig ram and 3 TB storage, mini PC with final rendering done on normal sized desktop using an AMD Ryzen Threadipper 1950X CPU, Corsair Hydro H100i CPU cooler, 3XS EVGA GTX 1080i SC with 11g Ram, 4 X 16gig Corsair DDR4 Ram and a Corsair RM 100 PSU . The desktop is in a remote location with rendering done via Queue Manager which gives me a clearer desktop and quieter computer room.

Snarlygribbly posted at 5:52 AM Mon, 26 June 2023 - #4468694

I'd be happy to update EZSkin with new shaders, presets and UI, if others were willing to be involved.

there are some rather talented Python developers out there (thinking among others to adp01) but I'd be happy to help, if you need, dear Snarlygribbly

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Ok guys, I figured out how to do it.

Is easier than it looks like. The problem is me, the clumsiest clumsy of all clumsies (I don't know how this will read since I'm using Google translate).

The thing is, (I'm blind), in the materials panel, on the top right is a "Materials" tab with a drop down list. When you open it you find the different anatomical parts affected by the material that allows you to assign and parameterize all the aspects of each of them independently :).

Well then you have to select each anatomical part one by one and in the EZBlinn panel give the refraction value you want. Since I didn't want reflections, I set them to zero. I only applied the mod to SkinHead (Head and Neck), SkinTorso (Torso, Abdomen and Hips) and Skinlimbs which fully affects the arm, hands and legs. For the rest, eyes, lips, teeth, nails, I left them as is. Good for Poser13, I love this interface design. You just have to dedicate a little time and the great help that my fellow forum members have given me to understand the material interface. Thanks and a hug to everyone. Signed: The clumsiest guy of all the clumsy guys.

Glad you figured that out. And don't feel bad. I've done that too.

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Today I break my own personal record for the number of days for being alive.
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I use Poser 13 and win 10

Now that you have discovered Material Zones, you will find that different models will have a rather extensive anatomical definition, i.e., Victoria 4, or simplified, i.e., La Femme. There are advantages and disadvantages; the more extensively the model is divided, the more cumbersome it is to change all the node values. However, having a greater subdivision allows you to apply different textures to specific body parts, i.e., tattoos to arms, dirt to hands, make up to face, etc. without depending on a mask layer to isolate those parts. You posted 3 different models in the comment above, go back and look at the Material Room shaders for each and you will realize that they will have different node arrangements, either simplified or complex. And depending on those arrangements, you will have varying amount of skin response to the lighting environment.

Thanks for the info Hborre, you have given me a shortcut to know the possibilities of this tool.

Another version of Poser, which means everything has changed again with SuperFly... yay?
(sorry I'm late to the party, the Mac version only went live recently)

Same character and scene in all 3 versions of Poser.

I can keep playing with the EZBlinn Node until it matches what we had with Poser 11/12 and the original SuperFly.
In saying that, for anyone using EZSkin, an easier way to adjust this for all skin services, prior to applying EZSkin is to select Edit skin.
Then scroll all the way down to Reflectivity and lower the value.

Forum: Poser 13

Subject: I am the most questions asked, I know. reflections on human skin