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Technology & Digital Applications Flashcards

7 cards from real 3D Texturing practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Technology & Digital Applications flashcards as text

  1. What is the primary purpose of a 'roughness map' in a PBR texture set?

    Answer: To control how blurry or sharp reflections appear on a surface

    A roughness map (white = rough, black = smooth) controls the sharpness of reflections, simulating microsurface irregularities in real materials.

  2. In Unreal Engine 5, what technology allows high-poly sculpt details to be streamed directly without traditional baked normal maps?

    Answer: Nanite

    Nanite is UE5's virtualized micropolygon geometry system that renders extreme polygon counts in real time, reducing reliance on normal map bakes.

  3. Which color space should textures intended for color/albedo data typically be stored in when working in a PBR pipeline?

    Answer: sRGB

    Albedo/color textures should be stored in sRGB because they represent perceptually encoded color data that matches how human vision perceives brightness.

  4. What is the function of Marmoset Toolbag in a 3D texturing workflow?

    Answer: Real-time texture baking and PBR rendering/presentation

    Marmoset Toolbag is widely used for baking texture maps and presenting 3D assets in a real-time PBR viewport for portfolio and client review.

  5. In RizomUV or similar UV tools, what does 'UV packing' optimize?

    Answer: The arrangement of UV islands to maximize texture space usage

    UV packing arranges UV islands as tightly as possible within the 0-1 UV space to minimize wasted texture resolution.

  6. What does 'UDIM' stand for in the context of 3D texturing workflows used in film and VFX?

    Answer: U-Dimension tiling, where each tile has a unique index

    UDIM (U-Dimension) is a texture tiling convention where UV islands span multiple tiles (e.g., 1001, 1002), each with its own texture file, allowing very high-resolution coverage.

  7. Which texture format supports lossless compression and transparency, making it common for diffuse textures in non-game pipelines?

    Answer: PNG

    PNG supports lossless compression and an alpha channel, making it suitable for textures where quality and transparency are required.