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V3DClipping and AO problem ????

Home › Forums › Graphics / 3ds Max › V3DClipping and AO problem ????

  • This topic has 6 replies, 3 voices, and was last updated 3 years ago by kdv.
Viewing 7 posts - 1 through 7 (of 7 total)
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  • 2022-09-29 at 8:00 am #56214
    sirhc
    Customer

    Hi Vergers :bye:
    I’m using V3DClippingplanes in my scene in combination with AO.
    It’s causing weird problems[See attachments]
    Is there a way to make this work or should I ditch de ‘AO’ altogether??
    Anybody know a way around this problem???(except AO baking of course)

    Project File:
    https://v3d.net/ba8

    Many Thnx!!
    Chris

    Attachments:

    1. V3DClippingAO.jpg

    Technical Artwork Specialist@TBL.nl

    2022-09-29 at 1:50 pm #56228
    Yuri Kovelenov
    Staff

    Could you please try updating for v.4.1?

    Chief 3D Verger | LinkedIn | X

    2022-09-29 at 1:57 pm #56229
    sirhc
    Customer

    Sadly I cant due to project compatibility,…
    Is this fixed in 4.1?

    Technical Artwork Specialist@TBL.nl

    2022-09-29 at 3:07 pm #56231
    kdv
    Participant
    sirhc wrote:

    Is this fixed in 4.1?

    Partially. This issue is present even in 4.2.0pre1 ))) looks like gtaoGenerator treats transparent parts of clipped objects like opaque ones. But non-clipped parts are not semi-transparent any more )))

    https://v3d.net/bau

    Puzzles and JS coding. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

    2022-09-30 at 7:30 am #56244
    sirhc
    Customer

    Hi kdv77kdv,
    thanks for looking into my files(much appreciated), good to know:
    even if I would update the problem wouldn’t be solved.
    As you said partially doesn’t quite fix it,…
    Even if it fixes the non-clipped objects it still isn’t usable,…
    Guess I should
    A: ditch the clipping planes or
    B: the AO (which I like very much)…

    To Bad :-( ,….maybe/hopefully this issue can be fixed in upcoming updates?? :unsure:

    Technical Artwork Specialist@TBL.nl

    2022-10-05 at 9:43 am #56381
    kdv
    Participant

    This “ghost” occlusion is visible only if MeshNodeMaterial is behind it. It’s not visible over the background or MeshStandardMaterial.

    Puzzles and JS coding. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

    2022-10-05 at 12:57 pm #56400
    kdv
    Participant

    Changing the blend mode from Opaque to Alpha Clip or Alpha Hashed can remove the problem in 4.2.0
    https://v3d.net/bg2

    Puzzles and JS coding. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

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