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    Is this an antialiasing problem at all? Redshift Normal Map from Substance

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    • H
      hang-single last edited by

      Hello everyone, I am using textures exported from Substance 3D Painter and applying them to the couch object. I get ugly results probably caused by the Normal map, since when I significantly reduce its intensity (Height scale) or turn off the Normal map completely, the problem disappears. I'm not experienced with Redshift or texturing, so I tried randomly changing some values in Render Settings>Redshift>Sampling>Filter... or the Normal map texture setting... or even the Bump map node settings. In Bump Map attributes>Inputs>Advanced I tried to select Legacy Normal Map Technique and only then it was ok. However, I suspect that this is not the right procedure and I want to ask someone smart here, what would you try in such a case? Thanks for your time
      https://pasteboard.co/2RbdkQ3R9Y0V.png

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      • Dr. Sassi
        Dr. Sassi last edited by Dr. Sassi

        Hi hang-single,

        Thanks for the screenshots. It shows me something but not the why. I firmly believe that some results can be caused perhaps by several influences. Just guessing is not my MO. (If I would guess then: your Height Scale is too large, I would wonder if that fixes it)
        https://stcineversityprod02.blob.core.windows.net/$web/Cineversity_Forum_Support/2023_Clips_DRS/20230917_RS3518_Keller_Legacy.mp4

        Please share a project folder with related textures for those kinds of questions. (Reduced to the problem, zipped and please via Dropbox, [Google, Apple, Adobe, Wetransfer is OK too, anything else hasn't been cleared [security].)

        The improvements around version 3.5.11 or 3.5.12 for Normal mapping can be ignored and set to Legacy. Here is also to mention the Keller Algorithmus; see link. If Legacy works better, then it seems you found your setup.

        Please have a look here:
        https://help.maxon.net/r3d/cinema/en-us/#html/Bump+Map.html#LegacyNormalMapTechnique
        https://help.maxon.net/r3d/katana/en-us/Content/html/System+-+Advanced.html

        I will try to get more information into the manual about when and how to use it.

        All the best

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

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