Uttar Pradesh Technical University (UPTU) 2007 M.C.A Computer Graphics & Animation - Question Paper
Printed Pages : 3 MCA - 406
PAPER ID: 1481
(Following Paper ID and Roll No. to be filled in your Answer Book)
Roll No.
(SEM. IV) EXAMINATION, 2006-07 COMPUTER GRAPHICS & ANIMATION
Time : 3 Hours] [Total Marks : 100
Note : Attempt all questions
1 Answer any four parts : 4x5=20
(a) What do you mean by scientific visualization? Explain.
(b) Is there any difference between computer graphics and image processing? Explain.
(c) Describe the terms persistence and resolution in reference to CRT.
(d) Explain the architecture of a raster system with a fixed portion of the system memory reserved for the frame buffer.
(e) Explain various kinds of input devices used for computer animation.
(f) Define the following:
(i) Positioning techniques
(ii) Dragging
(a) Give Bresenhams line dressing algorithm. Explain the same with suitable example.
(b) Describe boundary fill algorithm for polygon with suitable example.
(c) Discuss the method for storing colour values in a colour look up table(or video lookup table) where each entry in the table uses 24 bits to specify an RGB colour.
(d) Define the following:
(i) Point clipping
(ii) Line clipping.
(e) What do you mean by display file? What are the functions for segmenting the display file?
(f) Using midpoint method, and taking symmetry
into account, develop an algorithm for the
curve over the interval 10 < x < 10.
Answer any two parts 2x10=20
(a) Write an algorithm for converting, any specified sphere, ellipsoid, or cylinder to a polygon-mesh representation
(b) Write an algorithm to display two dimensional, cubic Bezier curves, given a set of four control points in the X-Y plane.
(c) Define the following with example :
(i) Octrees
(ii) B-spline curves.
(a) (i) Define translation and scaling with an
example.
(ii) Determine the form of the transformation matrix for a reflection about an arbitrary line with equation y = mx + b.
(b) Define the following with example :
(i) 3-D rotation
(ii) Parallel projection.
(c) What do you mean by hidden surface removal? Describe any hidden surface removal algorithm.
Answer any two parts : 2x10=20
(a) Define animation sequences. What are the various steps involved in animation sequence? Describe.
(b) Define the following with example
(i) Morphing
(ii) Types of animation system.
(c) Write short notes on the following:
(i) Animation tools
(ii) Git animator : List the names and explain any one of them.
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