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Problem with this character's eyes

Uncommon RoleUncommon Role Posts: 32
in Technical Help (nuts n bolts)

I've been working with this character for more than 2,000 renders, and I'm tired of dealing with this issue, which doesn't always happen.  Look at his eyes—how can I fix this?

Sometimes it's easy to hide when he's looking straight ahead, and I can work around it with shadows and post-production, but it's really annoying. I've been messing around with the M2F-Eyes Inner parameter, but it only helps a little. Any other ideas? Thanks in advance.

Comments

  • zombietaggerungzombietaggerung Posts: 3,924
    edited July 14

    How far off from world center is the character? This might be the eye bug that occurs when characters are far away from world center.

    Post edited by zombietaggerung on
  • crosswindcrosswind Posts: 9,997
    edited July 14

    The common cause is that the figure is very far from the world center, check it X Translate and Z Translate, if they're > appr. 3500 ~ 4000 ~

    If that's the case, you may try : with NVIDIA Iray preview drawstyle in Viewport, go to Render Settings pane, Editor tab > Optimization, there's slot: Instancing Optimization, switch Memory and Speed option, see if that "black spot in eyes" goes ~~

    Or, moving the whole scene to the world center can also fix the issue.

    Other causes: 1) clipping issue in between geometry of eye surfaces; 2) clipping issue comes from hair cap geometry ~~ The issue you have seems not coming from these causes. 

    Post edited by crosswind on
  • Uncommon RoleUncommon Role Posts: 32

    I remember that world-center bug because it was one of the very first issues I encountered. However, that's not the case here. In the last scene, for example, he's really close to the center and still has these things in his eyes.

    I really believe it's part of the mesh, but I don't know how to minimize their appearance. Maybe I need to edit the mesh in ZBrush or something... frown

  • crosswindcrosswind Posts: 9,997

    If so, check if there's any cliping issue on the surfaces of Cornea and Sclera, try dialing Eyes Cornea Bulge property if it's G8M, see if that helps.

    Yes, this sort of issue can be fixed in Zbrush, Blender or by using Mesh Grabber.

  • Uncommon RoleUncommon Role Posts: 32

    No, that wasn't the problem either. In the end, I spent a lot of time messing around with all the dials, and I found out that the "Inner Eyes" parameter was the source of the problem. After trying a weird combination of settings, I figured out how to hide that thing, but it slightly changes the shape of his eyes. What do you think? Is it easy to notice that his eyes look different?

    And don't ask why the MC is dressed like that in this scene lol

    video360.jpg
    3840 x 2160 - 2M
  • crosswindcrosswind Posts: 9,997

    Uncommon Role said:

    No, that wasn't the problem either. In the end, I spent a lot of time messing around with all the dials, and I found out that the "Inner Eyes" parameter was the source of the problem. After trying a weird combination of settings, I figured out how to hide that thing, but it slightly changes the shape of his eyes. What do you think? Is it easy to notice that his eyes look different?

    And don't ask why the MC is dressed like that in this scene lol

    Yup, it's easy to tell that the one on the right nearly has no lacrimal caruncle esp. in his left eye, lol ~

    I have no idea what character product it is but better give him more fix.

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