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Alembic not working for clones or dynamics

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  • MaverickMongoose
    MaverickMongoose last edited by Aug 14, 2024, 2:07 AM

    Hi again Dr Sassi,

    I'm having trouble baking dynamic clones as alembic.

    Since the last update of C4D where Bake as Alembic has an options icon next to it, I just cant bake clones and dynamic objects like I could before.

    These are the settings I've used:

    https://www.dropbox.com/scl/fi/rt03yc33ml7asdmh1hjvu/Cinema_4D_8vvVU8nuqW.jpg?rlkey=zw76oa9d6crn7p4aqssmcjqr4&dl=0

    But it almost always bakes an empty null.

    I've tried butting the clones in a connect object but that doesn't work either nor does making the cloned sphere editable.

    Maybe it doesn't like the fact that I have rigid and cloth objects?

    It also wont work if I cache the dynamics first

    Any ideas?

    Here's my file: https://we.tl/t-6cSZ86ZN41

    Thanks again!

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    • Dr. Sassi
      Dr. Sassi last edited by Dr. Sassi Aug 14, 2024, 6:02 AM Aug 14, 2024, 5:41 AM

      Hi MaverickMongoose,

      Thank you very much for the files.

      Sorry that you have some trouble.

      (Do you use the Cache Tab entry to turn it to an abc. I'm not clear what you meant with the Icon next to it.)

      I have tested your file.
      Since the Selected Only was on, I selected all objects.

      One time with the connect, one time without.
      I also exported it.
      Each time, all went fine.
      I have attached the results.
      https://stcineversityprod02.blob.core.windows.net/$web/Cineversity_Forum_Support/2024_PROJECTS_DRS/20240813_CV4_2024_drs_24_MGal_01.zip

      Since I have no option to recreate the problem, please check with the support,
      https://www.maxon.net/en/support-center

      I checked the usual source, but no one has had that problem.

      Fingers crossed, there is an easy fix.

      My best wishes

      Dr. Sassi Sassmannshausen Ph.D.
      Senior Trainer, Maxon Master Trainer, L&D - Strategist
      Cinema 4D mentor since 2004, Member of VES, DCS.

      1 Reply Last reply Reply Quote
      • MaverickMongoose
        MaverickMongoose last edited by Aug 15, 2024, 5:08 AM

        Cheers, it still doesnt work for me, are you using the latest C4D where they changed the alembic feature? If you right click and bake as alembic it now has an options Icon which wasn't there before

        I tried another scene and still get issues, here's a screen recording: https://www.dropbox.com/scl/fi/nbx9ystkpkxq4xwk000xr/Cinema_4D_l6a6F52cUx.mp4?rlkey=a11cb0f2bz4rzbtcd9zma9hvo&dl=0

        I've contacted Maxon support so I guess ill see what they say.

        Do you know if its possible to revert to an older version of c4d from the maxon app?

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        • Dr. Sassi
          Dr. Sassi last edited by Dr. Sassi Aug 15, 2024, 5:35 AM Aug 15, 2024, 5:33 AM

          Hi MaverickMongoose,

          I used 2024.5.1 on an M1 Mac.

          The Alembic Exporter was 1.8.4, for example, in 2023.2.2. The Selection setting is now by default and that is the case in 2024.5.1, which is also 1.8.4. The interface nor the function has changed.

          Please check this video below:

          https://stcineversityprod02.blob.core.windows.net/$web/Cineversity_Forum_Support/2024_Clips_DRS/20240814_2024-5-1_Alembic_184.mp4

          If that doesn't work, please check with tech Support.

          For anything else, I'm happy to look into the morning (perhaps the afternoon tomorrow, as the morning is filled with meetings). [Pacific Time Zone].

          Anyway, when I select only the Cloner, I get no result, going by the settings that I see in the interface, which are, by the way, the same as you get.

          Fingers crossed, it is as simple as the selection.

          Cheers

          Dr. Sassi Sassmannshausen Ph.D.
          Senior Trainer, Maxon Master Trainer, L&D - Strategist
          Cinema 4D mentor since 2004, Member of VES, DCS.

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          • M
            Maido last edited by Maido Sep 12, 2024, 6:35 AM Sep 12, 2024, 6:27 AM

            Confirming the issue is there also for me, 2024.5.1 has worked fine before. The cloner object gives an empty null when exporting to Alembic.

            It seems to be a bug, when cloner mode is set to 'Object', when selecting 'Grid' or 'Radial' then it bakes correctly. It's fixed in 2025.0.0 fortunately.

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            • MaverickMongoose
              MaverickMongoose last edited by Sep 12, 2024, 6:44 AM

              Yeah I tried it again in 2025 today as well, works much better

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              • Dr. Sassi
                Dr. Sassi last edited by Sep 12, 2024, 6:51 AM

                Thanks for that, Maverick Mongoose. Good news is always welcome! 🙂

                If there is anything that is not to your liking (Much better - sounds to me, there is room for improvement 😉 please use the
                "Share Your Ideas"
                https://www.maxon.net/en/support-center

                Cheers

                Dr. Sassi Sassmannshausen Ph.D.
                Senior Trainer, Maxon Master Trainer, L&D - Strategist
                Cinema 4D mentor since 2004, Member of VES, DCS.

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                • M
                  Maido last edited by Sep 12, 2024, 6:53 AM

                  De nada!

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                  • Dr. Sassi
                    Dr. Sassi last edited by Sep 12, 2024, 6:55 AM

                    🙂 Muchas gracias!

                    Dr. Sassi Sassmannshausen Ph.D.
                    Senior Trainer, Maxon Master Trainer, L&D - Strategist
                    Cinema 4D mentor since 2004, Member of VES, DCS.

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