B.E./B.Tech. DEGREE
EXAMINATION, NOVEMBER/DECEMBER 2011
Department of Computer science and Engineering
7th semester
(Regulation : 2008)
CS 2401
COMPUTER GRAPHICS
Answer ALL
questions.
PART A — (10 × 2 = 20
marks)
1. Write down any
two line attributes.
2. Differentiate
window and view port.
3. What are sp line
curves?
4. Define quadric
surfaces.
5. What is animation?
6. Define key frames.
7. What do you mean
by shading of objects?
8. What is texture?
9. Define fractals.
10. Differentiate
Mandelbrot and Julia sets.
PART B — (5 × 16 = 80 marks)
11. (a) Write down
and explain the midpoint circle drawing algorithm. Assume 10 cm as the radius
and co-ordinate origin as the centre of the circle.
OR
(b) Explain in
detail the Cohen-Sutherland line clipping algorithm with an example.
12. (a) Differentiate
parallel and perspective projections and derive their projection matrices.
OR
(b) With suitable
examples, explain all 3D transformations.
13. (a) Write notes on
RGB and HSV color models.
OR
(b) Discuss the
following:
(i) Methods to draw
3D objects. (8)
(ii) Basic OPENGL
operations. (8)
14. (a) Explain the
following:
(i) Adding texture
to faces. (8)
(ii) Adding shadows
of objects. (8)
OR
(b) Write down and
explain the details to build a camera in a program.
15. (a) Write notes on
Peano curves.
OR
(b) Write about
random fractals in detail.