3D Rendering & Visualization Flashcards
7 cards from real ACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 3D Rendering & Visualization flashcards as text
In V-Ray for 3ds Max, what is the function of the 'Irradiance Map' when set as the Primary GI engine?
Answer: Caches and interpolates indirect illumination, reducing render time for static scenes
The Irradiance Map precomputes and interpolates indirect light across the scene, significantly reducing render time for architectural visualizations with many static objects.
What does 'render farm' mean in a professional 3D visualization pipeline?
Answer: A network of computers working in parallel to distribute rendering tasks
A render farm is a cluster of networked computers that splits rendering jobs across machines to dramatically reduce total render time.
Which color space should final rendered images be saved in to preserve full dynamic range for compositing?
Answer: Linear (gamma 1.0)
Linear (gamma 1.0) color space stores physically accurate light values, allowing compositing operations to produce mathematically correct results.
In 3ds Max, what is the role of a 'Matte/Shadow' material when applied to invisible geometry?
Answer: Allows real-world shadows to be cast onto CG objects that are otherwise invisible
A Matte/Shadow material makes geometry invisible in the render but able to receive shadows and reflections, used to blend CG into live-action footage.
What is the primary advantage of using a 'Normal Map' over a 'Displacement Map' in real-time and rendered visuals?
Answer: Normal Maps fake surface detail without adding geometry, so they are much faster to render
Normal Maps simulate surface detail by altering per-pixel shading normals without subdividing the mesh, making them far less expensive than Displacement Maps that actually deform geometry.
In Autodesk 3ds Max, which modifier is used to add high-frequency surface detail by pushing vertices along their normals at render time?
Answer: Displace modifier
The Displace modifier deforms mesh vertices based on the values of a grayscale map, adding physical surface relief that affects silhouettes.
When setting up a photographic exposure in Autodesk 3ds Max's Physical Camera, which three parameters mirror a real camera's exposure triangle?
Answer: Shutter speed, f-stop (aperture), and ISO
Shutter speed, f-stop, and ISO replicate the real-world exposure triangle, giving physically accurate control over brightness and depth of field in the Physical Camera.