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toddg33
Participating Frequently
August 9, 2021
Question

Refraction map tutorials

  • August 9, 2021
  • 1 reply
  • 1125 views

I'm developing a course on PBR materials using Substance 3D Painter.  I'm finding the tutorials offered here to be excellent for introducing most concepts.

 

I haven't seen anything there addressing refraction maps.  I'm about to look at some on YouTube, the most recent being about 6 months old.  I'd like to ask this community though - is there something you would recomend?

 

Likewise emissive materials, if there's anything you like for those.

 

Thanks!

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    1 reply

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    toddg33Author
    Participating Frequently
    August 9, 2021

    What shaders can use a transmissive channel? 

     

    Jeremie Noguer
    Community Manager
    Jeremie NoguerCommunity Manager
    Community Manager
    August 9, 2021

    Transmissive is currently unused by the default shaders and there is no support for refraction in Painter at the moment.

    T
    toddg33Author
    Participating Frequently
    August 10, 2021

    Thanks for that.

     

    Does refraction work in Iray?  I ask because this video seems to show refraction at work in Iray.  It's a few years old though.  It hasn't worked for me, but I guessed maybe it doesn't work with the environment background image, and I haven't built a model to test it.

     

    I also noticed that some materials I see in videos have refraction parameters.  I haven't found any that do though, and again those videos are probably a year old or older.  Can I still create a material that has a refraction parameter?  Of course I won't see refraction in Painter, maybe in Iray, or when the material is exported to another application?

     

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