(Choose 1 answer)
Choose the best answer about the illumination model:
A. The illumination model describes the process of absorbing light from an artificial source and is represented in 2D space.
B. The illumination model is a spatial transformation, used to describe the transformation of 3D space to 2D space.
C. The illumination model used to calculate the intensity of light emitted from natural light sources (Sun, moor
D. The illumination model describes inputs, assumptions, and outputs used to calculate the brightness of surface elements
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