Printed Pages: 1 Sub Code: RCA501
Paper Id: 214501Roll No. _____________________
MCA
(SEM V) THEORY EXAMINATION 2018-19
COMPUTER GRAPHICS AND ANIMATION
Time: 3 Hours Total Marks: 70
Note: Attempt all Sections. If require any missing data; then choose suitably.
SECTION A
1. Attempt all questions in brief. 2 x 7 = 14
(a) Define the resolution of an image.
(b) Can a
(c) What do you mean by transformation?
(d) Define cavalier projection.
(e) What do you understand by image processing?
(f) Discuss positively oriented polygon.
(g) What is story board?
SECTION B
2. Attempt any three of the following: 7 x 3 = 21
(a) Write the steps required to plot a line whose slope is between -45° and 45° using DDA algorithm.
(b) Magnify the triangle with vertices A(0,0), B(1,1), and C(5,2) to twice its size while keeping C(5,2) fixed.
(c) Align the vector V = I + J + K with vector K.
(d) Discuss back-tree removal algorithm.
(e) Write short note on morphing.
SECTION C
3. Attempt any one part of the following: 7 x 1 = 7
(a) Write the steps required to scan-convert a circle using Bresenham’s method.
(b) Discuss random scan graphics displays.
4. Attempt any one part of the following: 7 x 1 = 7
(a) Derive the transformation that rotates an object θ° about the origin. Write matrix representation for this situation.
(b) Describe the transformation ML which reflects an object about the line L.
5. Attempt any one part of the following: 7 x 1 = 7
(a) How can scaling with respect to a point P0 (x0, y0, z0) be defined in terms of scaling with respect to the origin.
(b) Discuss composite transformations in 3D.
6. Attempt any one part of the following: 7 x 1 = 7
(a) Let R be the rectangular window whose lower left hand corner is at L (-3, 1) and upper right hand corner is at R(2,6). Find the region codes for the endpoints A(-4,2), B(-1,7), C(-1,5), D(3, 8), E(-2,3), F(1, 2), G(1, -2), H(3, 3), I(-4, 7), J(-2, 10) for the lines AB, CD, EF, GH, and IJ.
(b) Discuss Cohen-Sutherland algorithm for line clipping with example.
7. Attempt any one part of the following: 7 x 1 = 7
(a) Explain design of animation sequences.
(b) Discuss various problems in animation.
Thank You!
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