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Problem with transparency on VRayHairMtl and Yeti

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  • Problem with transparency on VRayHairMtl and Yeti

    Sometimes ramp transparency on VRayHairMtl produce some weird results on tips
    like this for example
    Click image for larger version

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    I am use Yeti, and do some trick to resolve this.
    Click image for larger version

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    I am cut end of fiber by this trick, and it works good.
    But today even that did not help
    Click image for larger version

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    Last edited by image_pictures; 16-11-2016, 03:36 AM.

  • #2
    Maybe some Yeti problem?
    Because same tree produce different rusults
    Click image for larger version

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    • #3
      Have you had the same problem with older yeti versions?
      What version are you actually using for yeti? What about the V-Ray version?
      Alex Yolov
      Product Manager
      V-Ray for Maya, Chaos Player
      www.chaos.com

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      • #4
        VRay - some of last 3.4.... build
        Yeti - now 2.1.2 and on pre 2.1 builds i have the same problem (2.0.12-2.0.26)

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        • #5
          Can you attach the scene?
          Alex Yolov
          Product Manager
          V-Ray for Maya, Chaos Player
          www.chaos.com

          Comment


          • #6
            Yeah its hard to say without a scene. However I've never had issues with transparency in hair.

            A few things to note: Your tip width should never be 0, perhaps 0.001, also try plugging your transparency ramp into specular amount, it could be that the specular is still being traced in areas where it should be transparent.
            Dmitry Vinnik
            Silhouette Images Inc.
            ShowReel:
            https://www.youtube.com/watch?v=qxSJlvSwAhA
            https://www.linkedin.com/in/dmitry-v...-identity-name

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