Anna University Chennai 2005 B.E Mechanical Engineering INTERACTIVE COMPUTER GRAPHICS - Question Paper

B.E/B.TECH DEGREE MODEL exams APRIL/MAY 2005

INTERACTIVE COMPUTER GRAPHICS

Time: three hrs Maximum: 100 Marks
ans ALL ques.

PART-A (10 x two = 20 Marks )

1. Define: Scan Conversion
2. List the advantages and disadvantages of DVST.
3. Differentiate Random and Raster scan displays.
4. What is B-Spline?
5. What is fractal?
6. Give the features of Quad tree.
7. Define: Isometric Projection.
8. What is meant by Back face method?
9. What is Ray tracing?
10. What is meant by Depth cueing?

PART-B – (5 x 16 = 80 marks)

11. Explain Bresenham’s Line and circle drawing algorithm. (16)

12. a) define Antialiasing methods in detail. (16)
(or)
b) define Bezier curves and surfaces in detail. (16)
13. a) i) Compare and Contrast 2D and 3D transformation with respect to Reflection,
Rotation and Translation. (6)
ii) define Line clipping algorithms (10)
(or)
b) i)What is projection? discuss Parallel and Perspective projection and
Differentiate them. (12)
ii) Write short notes on Wire frame visibility methods (4)

14. a) discuss Painter’s and scan line algorithm for in detail. (16)
(or)
b) i) discuss Octree method for hidden surface removal. (6)
ii) define Z-buffer algorithm. provide its advantages and disadvantages.(10)

15. a) elaborate the various color models available? discuss them in detail. (16)
(or)
b) What is shading? explain the various shading methods available? (16)
---------------

Earning:   Approval pending.