Edge blending two projectors on sphere
  • JJJJJJ
    junior Member
    Posts: 1
    Joined: Mon Dec 21, 2020 8:39 am

    Edge blending two projectors on sphere

    by JJJJJJ » Mon Dec 21, 2020 9:22 am

    Hi,
    I'm trying to do a sphere mapping with two projectors but I'm stuck in the edge blending.
    How to make a good seamless on edge blending? Despite spending a lot of time to solve this problem, I couldn't find a solution.
    It was easy to blend multiple projectors on the rectangle, but the blending sphere is a really hard job for me.

    Thanks,
    Attachments
    edge_2.jpg
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    edge_1.jpg
    edge_1.jpg (190.89 KiB) Viewed 378 times
  • mad-matt
    garageCube team
    Posts: 1052
    Joined: Mon Sep 09, 2013 5:50 pm

    Re: Edge blending two projectors on sphere

    by mad-matt » Mon Jan 04, 2021 11:28 am

    Have you adjusted "left power" on the right projector quad & "right power" on the left projector quad ?
    Did you tweak the gamma too ?
  • kevin_nguyen
    junior Member
    Posts: 1
    Joined: Mon Jan 11, 2021 4:42 pm

    Re: Edge blending two projectors on sphere

    by kevin_nguyen » Mon Jan 11, 2021 5:28 pm

    Hi,
    I also have event with sphere mapping for 3 faces (I calculated use 3 projectors) and I use 3D calibration function in MadMapper but I tried find the way to blending but not successful.
    I saw your topic you calibrate with 3D or only in 2D, could you have some advice pls.
    Many thanks,
  • mad-matt
    garageCube team
    Posts: 1052
    Joined: Mon Sep 09, 2013 5:50 pm

    Re: Edge blending two projectors on sphere

    by mad-matt » Tue Jan 12, 2021 9:34 pm

    We don't support edge blending on 3D surfaces. You can always do masks with gradient images made in photoshop (or the gradient material) and put it on a Quad with "Blend Mode" set to "Multiply". You can then use mesh warping to curve your gradient & use Color Controls FX to adjust contrast.

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