MCS-053
1. What is Computer Graphics ? Discuss the role of
Computer Graphics in image processing, scientific visualization and
simulations. (5 Marks)
2. Differentiate between, any two of the following (5
Marks)
(i) Random scan & Raster scan display
devices
(ii) Drawing & Painting
(iii) Graphics & Animation
3. Write DDA Algorithm for lines with positive slopes.
Modify it for negative sloped lines. Apply DDA Algorithm to draw line segment
from (3, 5) to (9, 9). Verify the existence of staircase effect in the line,
generated. (5 Marks)
4. Discuss the recursive approach for scan lane polygon
filling. (5 Marks)
5. Find the transformation matrix for the reflection
about line Y = X. (5 Marks)
6. Reflect the polygon ABCD
with vertices (5 Marks)
A(-1, 0),
B(0, -2), C(1, 0) and D(0, 2); about
(i) y = 2
(ii) x = 2 (iii) y = x + 2
7. Obtain the transformation matrix for perspective
projection of an object, projected on to x
= 3 plane and viewed from (5, 0, 0). (5
Marks)
8. Apply Cyrus Beck Algorithm to clip a line segment,
passing through Non-Convex window. Discuss all steps with suitable explanation.
(5 Marks)
9. Write Bresenham Line generation algorithm. Use it to
generate line segment between (15, 5) and (25, 13). (5 Marks)
10. Write Bresenham circle generation algorithm. Use it to generate a
circle of radius 5 units, in the 1st Quadrent from x = 0 to x = y. (5 Marks)
11. Find the equation of the Berier curve, which passes through the points
(0, 0) and (-2, 1), and is controlled through the points (7, 5) and (2, 0). (5 Marks)
12. Discuss how the depth value (Z) is calculated for the surface position
(x, y) in the Z-buffer algorithm.
13. Differentiate the following (7.5 Marks)
(i) Ray tracing & Ray casting
(ii) Gourand & Phong shading
(iii) Specular & Diffused reflection
14. Discuss the mathematical formulation used to simulate all categories of
accelerations i.e., zero & non zero both, in any animation. (5 Marks)
15. Write short notes on
(i) Authoring tools & its types
(ii) Multimedia tools & its types
(iii) Video file formats
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