Jawaharlal Nehru Technological University Kakinada 2009-2nd Sem B.Tech Computer Science and Engineering Code No: P0501/R05 ,Set No1, III Supplementary s, / COMPUTER GRAPHICS - Question Paper
For Code No: P0501/R05 ,Set No. 1, III B.Tech II Semester Supplementary Examinations, Nov/Dec 2009 COMPUTER GRAPHICS,
See the subsequent attachment.
Code No: P0501/R05 Set No. 1
III B.Tech II Semester Supplementary Examinations, Nov/Dec 2009
COMPUTER GRAPHICS (Computer Science & Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions All Questions carry equal marks
List and explain the applications of Computer Graphics.
1.
2.
With a neat cross- sectional view explain the functioning of CRT devices.
[8+8]
Explain the DDA scan conversion algorithm for generating the points on line segment, when two end-points are given as input.
a
b
Digitize the line with end-points (20,10) and (30,18) using DDA algorithm.
[8+8]
List the basic transformation techniques. What are their respective mathematical and matrix representations?
3.
a
b
Prove or disprove that two successive rotations in 2-D space are commutative.
[8+8]
How the clipping-candidate (partially visible) case is handled in Cohen-Sutherland algorithm.
4.
a
b
Derive the Window-to-View port transformation. [8+8]
Distinguish between local illumination and global illumination models.
5.
6.
7.
Find a formula to compute the reflection vector (R) of an input vector (L) with respect to surface normal vector N. [16]
What is the procedure for reflecting an about an arbitrarily selected plane.
What are the characterstics of perspective projections? [8+8]
Illustrate the procedure for implementing area-sub division method.
Explain how the BSP-tree method is implemented for visible surface detection.
[8+8]
8. Define an animation specification involving both acceleration and deceleration and implement the in between spacing calculations. [16]
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