Materials and Texturing Flashcards
6 cards from real 3D Product Animation practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Materials and Texturing flashcards as text
What is subsurface scattering (SSS) and which 3D product animation scenarios typically require it?
Answer: Light that penetrates and scatters beneath a translucent surface, used for products like soap, skin, or wax
SSS simulates light penetrating semi-translucent materials before exiting at a different point, essential for realistic renders of soap bars, candles, or fruit-like products.
What is a displacement map and how does it differ from a bump map in product rendering?
Answer: A displacement map actually moves vertices to create real geometry detail; a bump map only fakes it optically
Displacement maps physically offset the mesh surface geometry at render time, creating true 3D detail visible in silhouettes, while bump maps only affect surface shading normals.
What is anisotropic reflection and which products commonly benefit from it in 3D animation?
Answer: A directional, elongated specular highlight used for brushed metals like aluminum cans or titanium finishes
Anisotropic reflection stretches specular highlights along a direction, accurately recreating the look of brushed metal surfaces like aluminum or stainless steel product bodies.
What is texture baking in product animation production, and why is it used?
Answer: Both B and C
Texture baking converts expensive procedural or calculated shading data (AO, GI, normals) into static bitmap textures, dramatically reducing render times and enabling cross-software compatibility.
In product label design within 3D animation software, what color space should textures be imported in to ensure correct rendering?
Answer: Color textures (albedo/diffuse) should use sRGB; data textures (roughness, normal, metallic) should use Linear/Raw
Color textures use sRGB because they encode human-perceived color; data textures store numerical values and must be Linear to avoid incorrect gamma interpretation.
What is a procedural texture and what advantage does it offer over bitmap textures in product animation?
Answer: A texture generated mathematically that scales to any resolution without pixelation
Procedural textures are algorithm-generated and resolution-independent, making them infinitely scalable and ideal for close-up product detail without pixelation.