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MoGraph Randomize Help Needed

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  • E
    entry-newspaper last edited by entry-newspaper Feb 19, 2025, 3:09 PM Feb 19, 2025, 2:50 PM

    Hey,

    I'm trying to set up an effect, where I have two Mograph objects; one being effected by the other.
    I want to have every single instance receive some strong random rotation, and a subtle amount of random position.
    The issue I run into, however, is that if I add the random effect to the "Big" MoG object, then the results are very undesirable.
    And if I only apply the random effect to the "Small" MoG object, then the random pattern will obviously repeat, within the larger "Big" parent. The attached project will hopefully explain things better.

    What's the best approach to solve something like this?

    Thank you!

    MoGraph Random Help.c4d

    Edit: P.S. I'm also wondering whether this kind of operation is better suited to something like RS Matrix Scatter...?

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    • Dr. Sassi
      Dr. Sassi last edited by Dr. Sassi Feb 20, 2025, 3:02 AM Feb 20, 2025, 3:01 AM

      Hi entry-newspaper,

      Thank you very much for the file!

      You want no tile pattern following your input, but the setup is prone to show that. Given that pattern recognition is relative or subjective for anyone in a different way from the audience when patterns are not wanted, it is not advisable to risk this. Given that the typical advice for tileable textures is that one should never see more than 1.5 times at once, the setup has 100 tiles. How many are shown is not provided, but the idea of the larger "scale" randomness indicates that it is more than 1.5.

      So, it is a no-go if tiles are not the intention.

      My suggestion is to keep it simple. Please have a look here:
      CV4_2025_drs_25_MGlg_01.c4d
      Two plain Effectors are set up in two different ways for random. Switch one on while the other one is off to see the difference.

      Both together, if adjusted as intended (the 90º setting is for the demo), for a "harmonic distribution," the Cloner moves here -45º, also just for the demo, so the Cloner moves in one direction, and the Plain Effector the other. Like the Min-Max values of the Random effector.

      The key is in the scale of the Maxon noise in the Shader Field. The Noise allows for the widest variety when it comes to such effects.

      Enjoy.

      P.S.: I have not found that the RS Object Tags are always faster than Render or Multi Instances. Chances are high they are, but if that is for random or nonrandom clones, it doesn't make a difference here. Anyone always tests: General ideas allow only average results over time.

      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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      • E
        entry-newspaper last edited by Feb 20, 2025, 1:49 PM

        Thanks, so much, Dr. Sassi. I'll run through your example project, and your detailed notes to understand the options.

        Cheers.

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        • Dr. Sassi
          Dr. Sassi last edited by Feb 20, 2025, 7:07 PM

          Hi entry-newspaper,

          Thanks for the reply; please let me know if I got your target with this setup and if that works well enough to get what you want.

          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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