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Using falloff Texture to Fresnel Ior

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  • Using falloff Texture to Fresnel Ior

    Hi,

    I got the below image from V-Ray for 3ds Max. I just connected falloff texture to Fresnel Ior Slot to get some different refraction by camera angle.
    Click image for larger version

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ID:	874074

    I've tried to make same effect in V-Ray for Maya, but there was no luck.
    I used falloff texture in plugin texture, VRay Fresnel, and fasing ratio in Smapler Info with ramp texture in Maya.
    And I've tried to export vrscene from 3ds Max and using Import V-Ray Material from file in Maya, but there was no falloff texture for Fresnel Ior Slot.

    Is the effect for refraction working in V-Ray for Maya as well? I am not sure how I can get it.
    Please give me an advice for that. I think I am missing something for that. It might be easy to get it in V-Ray for Maya as well.

    I really appreciate it for your help in advance.

    Best Regards,
    Sangho Jung.

  • #2
    It is working very well with BRDFVRayMtl in Maya. But it doesn't work with the VRayMtl.
    Is it normal?

    vray_adv_22001_maya2012_x64

    Many Thanks.

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    • #3
      Hi,
      Please make sure you use the white color in V-Ray Fresnel or Gradient ramp with values below 1.
      I'm attaching an example render.
      Click image for larger version

Name:	Example.jpg
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Size:	202.9 KB
ID:	845184
      Tashko Zashev | chaos.com
      Chaos Support Representative | contact us

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      • #4
        Hi Tashko,

        Thank you for your answer. If you don't mind, could you please attach the example scene? I think I am making a mistake for the connection between the texture and Refraction IOR.
        It is working very well with BRDFVRayMtl as I mentioned. But there is still no luck with VRayMtl.

        Sorry for bothering you.

        Thanks once again.

        Edit: Finally I got it. I got the result when I change the black color over 0 from Fresnel. Thank you for all your support. I really appreciate it.
        Last edited by sersia; 30-03-2012, 06:28 AM.

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