Dr Bhim Rao Ambedkar University 2007 B.Tech Information Technology computer Graphics - university paper

H-488
THIRD YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2006

COMPUTER GRAPHICS
Total Marks: 100
Time: 10.00p.m. To 1.00p.m.

Instructions:
1) Solve any 3 ques. from SECTION-1
2) Solve any 3 ques. from SECTION-2
3) Figures to right shows full marks


SECTION-1

Q.1.
a) discuss the working of raster scan display. [Marks 8]

b) define the use of plotters as output devices. [Marks 8]

Q.2
a)What are 3D projections? discuss the perspective projections [Marks 8]

b)Explain the idea of half toning. Suggest the various cell trend to achieve it. [Marks 8]

Q.3
a)Explain the Bresenhams circle algorithm? [Marks 8]

b)Describe real time scan conversion. How the linked list supports it? [Marks 8]

Q.4 Write short notes on (any two) [Marks 16]

a) Polygon filling algorithms
b) Antialising
c) Shearing
d) Isometric projections


SECTION-2

Q. 5)
a) discuss the effect of tangent vector magnitude on cubic spline segment. [Marks 8]

a)How end points are used in line clipping algorithm. discuss with example? [Marks 8]

Q.6)
a)Explain convex hull property of B-Spline curve. [Marks 8]

b)Explain the interpolation method of generation of curves. [Marks 8]

Q.7)
a) discuss various properties of Bezier curve. [Marks 8]

b) define parabolic blended curves. [Marks 8]

Q.8) Write short notes on (any two) [Marks 16]

a) Z-buffer
b) Warnoc algorithm
e)Display file compilation

Earning:   Approval pending.