The Rendering Pipeline: from Geometric Model Construction to Image Synthesis
•Modeling
–Shapes and their (hierarchical) composition
–Materials (degrees of diffuse and specular reflection)
–Behavior:  time-varying attributes for each frame or key frame
•Lighting
–Directional lights, spot lights, area lights, etc…
•Specifying the “camera” to define the view volume
–Position
–Direction (a vector in 3-space)
–Orientation about “barrel” of “lens”
–Field of view (wide-angle to telephoto) via clipping planes
–Choose perspective or parallel projection
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•Rendering:  map from 3D scene to 2D image
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