Unformatted text preview: [-2-1
(b) Find the Region Codes for a given line segment with the endpoints
given as (-1, 5) and (3, 8) and then clip the line with respect to a
Rectangular window with lower left corner at (-3, 1) and upper right
corner at (2, 6) using Cohen-Sutherland line clipping algorithm. (6.25)
Q7 (a) What do you mean by Projection? Differentiate between Orthographic
and Oblique Parallel Projections,
(b) Discuss 3D Rotation in detail. Also explain how it is different from 2D
(a) Explain A-buffer algorithm for the visible surface detection.
(b) What do you understand by shading? Explain Phong shading in
Write short notes on any two:
(a) Back-face detection algorithm
(b) Constant Intensity Shading
(c) Ray Tracing...
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- Spring '15