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Is there still no fix for the ugly alpha edges when using matte/shadow?!

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  • Is there still no fix for the ugly alpha edges when using matte/shadow?!

    As the title suggests, this glaring issue is still ruining the results, at least in my opinion.

    Does anyone have any suggestions on how to mitigate it?, as I'm guessing it's somehow not a priority to fix.
    https://www.behance.net/bartgelin

  • #2
    Do you have an example of the issue you are referring to? Certainly progressive samples renders often have more ragged edges than bucket in some circumstances like render masks.

    Is that what you mean? Or something else?

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    • #3
      It's just the standard crappy halo from using a denoiser.
      I always forget about it and each time have to spend extra time rendering expensive matte shadows without it and then comping.
      So basically there is an option to denoise the alpha which doesn't work properly, making it pointless.
      https://www.behance.net/bartgelin

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      • #4
        Ah, yeah. I try not to use the denoiser, but sometimes you need to. Always fun when those shadow passes take longer than the main render.

        I often turn off GI for shadow passes. And do an AO ground contact shadow separately for use in post.

        Using a choked in alpha from the main render as a render mask can help, if you want to take the time to make the mask sequence.

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        • #5
          Yep...I'm used to doing all the above (=whatever gets the job done) but I just would like the advertised feature to work as expected I guess

          As mentioned, I expect no response or fix, as it's obviously not a really needed feature, so really it was just an early motning rant mid-deadline

          Sorry...I'm old and grumpy LOL.
          https://www.behance.net/bartgelin

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