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Is the normal map creating this in the brows?

wscottartwscottart Posts: 447
edited December 2019 in The Commons

1. Just began rendering 4k size images.

2. No bump map in the head. Is this casused by the normal map? Its looks fine at smaller resolution or should I say not noticable.

3. How would you fix the normal map? Is this why people prefer fiber brows?

no bump.JPG
1464 x 683 - 125K
Post edited by wscottart on

Comments

  • felisfelis Posts: 5,750

    As I see it, I wouldn't have expected that it was the normal map creating that.

    A normal map creates an illusion of depth/heigth, and this look more like a color effect, from maybe an overlay or gloss.

    Although the normal map looks neither like what I would have expected of a face normal map.

    But you can easily test it, if you remove the normal map and re-render.

     

    Regarding why many prefer fiber mesh, there is several arguments.

    You can color it the tone you like, and it is actual geometry, so it can both generate shadows and especially if seen from an angle.

  • wscottartwscottart Posts: 447

    Well I am zoomed in on thge normal, but I am getting this same look even with the normal map off. Is this mayby my light set-up?

  • felisfelis Posts: 5,750
    edited December 2019

    It would make most sense if you had zoomed in on the normal map so it was corresponding to the image. But ioverall the normal map you have shown looks more like a noise texture.

    And my prime focus would be to go through the other maps in the face surface.

    Is this a standard character?

    For getting a general impression, I will suggest using an HDRI as ligth-source.

    Post edited by felis on
  • wscottartwscottart Posts: 447
    edited January 2020

    Its definetly in my light rig somehow. I loaded her into a new scene with a different light set up and do not have the same problem. But I am keeping that file and will try to localize the problem.

    Post edited by wscottart on
  • jestmartjestmart Posts: 4,449

    Are the brows part of the face texture or are they applied with L.I.E. or Diffuse Overlay?

  • wscottartwscottart Posts: 447
    jestmart said:

    Are the brows part of the face texture or are they applied with L.I.E. or Diffuse Overlay?

    In the face surface, when I pull up the L.I.E editor the eyeliner is being applied. I will now see if that could be causing the distortion.

  • backgroundbackground Posts: 589

    Looks like it might be the specular map, looking at he skin it has a similar pattern of shiny/matt mottling.

     

  • jestmartjestmart Posts: 4,449

    L.I.E. can give strange looks if other channels like translucancy, gloss or subsurface scattering is not also altered.

  • outrider42outrider42 Posts: 3,679

    Looks like a gloss map to me. That is what I would be looking at. I would add a fiber mesh brow on top of this. One shaped to follow the texture would be great. IMO that works better than texture only or fiber mesh only. The combination of the two helps overcome their respective drawbacks.

  • wscottartwscottart Posts: 447
    background said:

    Looks like it might be the specular map, looking at he skin it has a similar pattern of shiny/matt mottling.

     

    the dual lode specular weight was set at 1.580  I set theis back dow around .400 and that cleared up teh mottled look. Thank you.

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