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So, Giving Aiko 6 a Snake Tail literally shattered her face.

radiantcadenzaradiantcadenza Posts: 5
edited December 1969 in Technical Help (nuts n bolts)

The attached screenshot is a spot render of Aiko 6's face after applying the snake tail from the succubus add-ons.
http://www.daz3d.com/succubus-add-ons

No other settings, morphs or anything were used, this is literally opening Daz Studio, double-clicking Aiko 6, and double clicking the snake tail from the smart panel, and then rendering it.


It somehow completely messes with the figure's geometry when you try to render it. I have no clue what's going on here, really.

It's a nice bit of nightmare fuel and would probably make a decent scene render of a Terminator's face exploding if I was going for that kinda of thing, but I'd much rather NOT have this happen.

Also, it takes a REALLY, long time to render.
Everything else in the pack seems to work just fine.

Any clue how to stop this?
Anyone else have this glitch?

Render_Glitch.jpg
474 x 444 - 57K

Comments

  • Richard HaseltineRichard Haseltine Posts: 100,946
    edited December 1969

    So this is render time only? If A6 uses the AoA SSS shader it may be conflicting values for displacement on the tail and the base figure, but with the same GroupID so that 3Delight gets confused about what it should use.

  • radiantcadenzaradiantcadenza Posts: 5
    edited December 1969

    So, to test if it's a 3Delight issue, I tried rendering with OpenGL instead, and then rendering with 3dlight, and then both worked.
    After experimenting a bit more, it seems this issue mainly seems to affect spot renders. Which is still annoying, but if I can still get the final render out, it could be worse.

    So if it IS the shader, how would I go about fixing it? Use a different shader? Change the GroupID?

  • Richard HaseltineRichard Haseltine Posts: 100,946
    edited December 1969

    Either of those should work, or a different skin for Aiko (you probably want to match the geometry shell that helps smooth the join to the main texture anyway, if it works as I think - not installed here yet). Anything that will avoid conflicts between the two should deal with the issue.

  • radiantcadenzaradiantcadenza Posts: 5
    edited December 1969

    Thanks for the advice, but I tried both, and neither seemed to solve the issue, Though using simpler shaders (like toon shaders) speeds up the render drastically and gets rid of the glow effect of the glitch, so I guess that part is caused by the subsurface effect getting compounded through the shattered surface, but the shattered geometry in the spot renders remains.


    Since the glitch still seems to just be affecting spot renders, maybe something else is the root cause?

  • SylvanSylvan Posts: 2,711
    edited October 2014

    Just a ransom guess, but it might be that you have bump turned on extremely high?
    Perhaps the tail bump is high (for scales or something) but somehow the preset also translated over to the rest of her?

    Post edited by Sylvan on
  • radiantcadenzaradiantcadenza Posts: 5
    edited December 1969

    That was a good guess, Estroyer.

    A really good guess.

    I noticed that one of the tail's morphs "Scales HD" was cranked all the way up by default. I dialed it all the way down to zero and that solved the issue.

    So for whatever reason, the Tail's HD morph has been affecting the model's face. I still can't imagine that's intended behavior, so perhaps I should submit that as a bug report now that I know the cause?

    I wonder if it has something to do with that being an HD morph, while using a non HD model? If I had a Gen 2 HD morph for her face I'd guess that might also fix it.

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