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Thread: Compositing Tag / Exclusion from shadows / GI

  1. #1
    Join Date
    May 2017
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    1

    Default Compositing Tag / Exclusion from shadows / GI

    Hello, Is there any IRay equivalent of the C4D compositing tag? Where I could prevent certain objects from casting shadows or beeing seen by GI


    I would like to light individual objects INSIDE of a room with an environment / hdri. But the room blocks many of the reflections that would be picked up by the product otherwise if the room was not there. Thanks.

  2. #2
    Join Date
    Jan 2009
    Location
    Berlin/Germany
    Posts
    1,148

    Default Iray and Compositing

    Quote Originally Posted by samdevine View Post
    Hello, Is there any IRay equivalent of the C4D compositing tag?
    With Iray, you need to do true compositing after the render to achieve similar effects, like manipulate GI impact on certain objects.
    For this, the Iray plugin offers a powerful render pass system based on Light Path Expressions (LPE) providing extreme flexibility in defining your passes for any kind of tricks in post.


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