Discussion
From modeling coordinates to device coordinates in general 3D transformation pipeline, identify the correct order of other coordinates involved :
(i) Viewing coordinates
(ii) Projection coordinates
(iii) World coordinates
Answer: C
The order is (iii), (i) and (ii): world, viewing, projection.
In the general 3D viewing pipeline, modelling coordinates are first transformed into world coordinates (placing objects in the scene), then into viewing coordinates (as seen from the camera), then into projection coordinates (after perspective or parallel projection), then normalised and finally mapped to device coordinates.
Every other option puts viewing or projection before the world coordinate stage, which reverses the pipeline.
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