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How to put a greyscale image into the alpha-channel layer?

Home › Forums › Graphics / Blender › How to put a greyscale image into the alpha-channel layer?

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  • 2022-06-22 at 8:30 pm #53524
    kdv
    Participant

    Photoshop allows to use three channels RGB, but I want to use the 4th channel too to create 4in1 image textures (AO, for example)

    Puzzles and JS. 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 meaning at all.

    2022-06-22 at 10:53 pm #53535
    Pascal
    Customer

    I am not sure about PS but you can do it with gimp.
    Colors>Components (separate, edit, and the backwards)
    See image attached.
    I guess you find something similar in PS.

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    2022-06-27 at 5:45 pm #53682
    kdv
    Participant
    Pascal wrote:

    Colors>Components (separate, edit, and the backwards)

    can you do like this

    and save a Blender usable .png texture?

    Puzzles and JS. 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 meaning at all.

    2022-06-27 at 6:10 pm #53683
    Mikhail Luzyanin
    Staff

    You can do this in Blender composer, gimp or photoshop just type in YouTube search “how to add alpha channel in photoshop” and i’m sure you can find something useful. How to do it using gimp you can find on our YouTube chanel in swiss army knife tutorial series.

    Co-founder and lead graphics specialist at Soft8Soft.

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