Cochin University of Science and Techology (CUST) 2012-5th Sem B.Tech Information Technology Special Supplementary - Question Paper

B.tech Degree V Semester Special Supplementary exam June 2012
IT504 COMPUTER GRAPHICS AND ANIMATION
(2006 Scheme)
Time: 3hrs Maximum Marks:100
PART A

(Answer ALL the questions)
(8*5)
I.(a)Briefly explain the application areas of computer graphics.
(b) discuss the attributes of output primitives.
(c) Draw 2-dimension viewing transformation pipeline. What is viewing co-ordinate reference frame?
(d) Prove that R(?1)R(?2)=R(?1+?2) for rotational transformations.
(e) elaborate Bezier curves? discuss its properties.
(f)Explain constructive solid geometry methods.
(g) explain various kinds of color models.
(h)Write down the matrix representation for 3D rotation about X, Yand Z axis in homogenous co-ordinate form.

PART B
[4x15]
II.(a) discuss Bresenhams line drawing algorithm. Compare it with DDA line drawing algorithm. [15]
or
III.(a)Discuss the ellipse generating algorithm. [7]
(b).Briefly discuss Bresenhams circle generating algorithm. [8]
IV.(a) elaborate the basic transformations? discuss every with matrix representation.[7]
(b) discuss window-to-view port transformation.[8]
Or
V. (a) elaborate composite transformations? discuss the concept of general pivot-pivot rotation.[7]
(b) discuss Cohen-Sutherland line clipping algorithm.[8]
VI.(a) explain Beta splines and Rational Splines.[8]
(b) elaborate BSP trees? discuss Briefly.[7]
Or
VII.(a) discuss B-spline curves and surfaces..[5]
(b) ) elaborate various kinds of 3-D display methods?.[10]
VIII.( discuss the subsequent hidden surface elimination methods:
(i)Depth sorting [8]
(ii)Octree method [7]
OR
IXWrite short notes on:
(i)Computer animation [5]
(ii)Illumination models [5]
(iii)Ray casting methods [5]

Earning:   Approval pending.