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HDRI Types and Noise

Forum Archive › HDRI Types and Noise

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  • May 23, 2020 at 8:26 am #12053
    mikelgem
    Participant

      I was experimenting and it seems to me that portals help more with HDRIs that don’t have a concentrated bright light source (eg. visible sun ) rather than overcast sky or studio HDRIs with reflected light.

      May 26, 2020 at 5:25 pm #57235
      Jonathan Lampel
      Participant

        Interesting, thank you! That makes sense since Cycles automatically optimizes higher contrast HDRIs via multiple importance sampling. 

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