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How to maintain GI when rendering objects/shadows onto hidden surfaces

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  • How to maintain GI when rendering objects/shadows onto hidden surfaces

    Hey to all!... Ok I have my tropical island scene that was created with 3dsMax/ForestPack/PhoenixFD & Vray 3.6 ... I'm rendering out individual elements within the Max scene to composite into After Effects...
    Attempting a crash course for rendering shadows onto hidden surfaces using Vray, the settings within the screenshot below is what I changed in order to achieve the effect..

    Click image for larger version

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    however the GI lighting renders out differently (primarily the palm trees, grass & rocks), when I use this approach as opposed to rendering all elements in one shot!?.. I understand the palm trees leaves alpha is affected due to low resolution (480x270) which I'm not concerned about, though I do want to retain the juicy vibrant colour from render 1. ...

    Click image for larger version

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    Any suggestions on how to fix this?.. much appreciated.. thanks in advance!!!
    Attached Files
    Last edited by wubba; 03-02-2019, 09:02 PM.

  • #2
    Anyone anyone??.. surely someone has an idea??

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