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how do path-tracing and rasterization-based rendering differ?
rasterization-based rendering — includes projecting the scene’s geometry onto the screen and calculating each pixel’s color depending on each object’s position, orientation, and illumination. real-time applications like video games benefit from this rapid, efficient method. it cannot handle complicated lighting, reflections, and transparency effects, resulting in less photorealistic photos.
path-tracing — a more advanced rendering technique, simulates light physics by tracing individual light rays as they bounce around the image, interact with objects, and contribute to each pixel’s color. this technique captures sophisticated lighting, reflections, and shadows in photorealistic photographs. path-tracing renders complicated scenes slowly, rendering it unsuitable for real-time applications.
path-tracing generates photorealistic visuals but takes longer to compute than rasterization-based rendering. the application, scene complexity, and visual fidelity determine the rendering technique.
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