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Importing OBJ as multiple objects and/or layers

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obj import separate objects
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    economics-height last edited by Dr. Sassi Mar 18, 2024, 5:29 PM Mar 9, 2024, 4:02 AM

    Hello all,

    I am entirely new to Cinema 4D so maybe I did something/missed somthing along the way.

    However, I have taken GIS data into Rhino8 to randomly extrude buildings so I can have a full-scale model of a certain section of this data. I exported this data as an OBJ with these settings (I dont have permission to post pictures apparently)

    Save surfaces, polysurfaces and extrusions as...
    POLYGON MESH OBJECTS.

    Doing so then created an absolutely massive amount of buildings in the OBJ file; the file is massive. Which is exactly what I wanted, I want each building to be its own building.

    I imported this into the model, to scale, but it only imported as one giant object. I am unable to exit, add materials, etc. to a singular wall/building.

    I tried to ungroup the object but that does nothing,
    I have tried to google how to do this and nothing came up. I would really appreciate all of your help.

    Thank you so much in advance! ❤️

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    • Dr. Sassi
      Dr. Sassi last edited by Mar 9, 2024, 6:26 AM

      Hi economics-height,

      This is the site issue forum. Typically used as a backdoor, as we left it open, logging in can be an issue, and having no access defeats the purpose.
      This is not the forum to ask Questions. In the first year of this new forum, we have done so to get anyone with a problem what they need. But to continue with that is not an option.

      Please open a new post in the Site Issue Forum to clear your access.

      The simple reply is that the data is separated into the parts you need at any point. If so, which step led to a merge? That can be before, during, or after Rhino happens.
      So, you ask about something without providing access to any practical data but asking what the next step could be. This might sound unfriendly; if so, I'm sorry; it was not my intention.

      If you can separate the parts you like in Rhino but have no option via layer or material to define those, then separate the parts and lift them up vertically with a simple number. So you get "layers" in space. This needs to be as much as possible so nothing overlaps from the "Layer" below or above.

      When you import this, select each layer and supply the materials it should have; from the side, select the "Layers" from above to select the Blocks that should be different.
      In Cinema 4D, while the parts that belong together are selected, place those on the Cinema a4D Layers.

      When all the options to manage the object layers are set up, select those and move them back down.

      All the best

      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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      • Moved from Site Issues by  Dr. Sassi Dr. Sassi Mar 9, 2024, 6:26 AM
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