Veer Narmad South Gujarat University 2010-3rd Sem M.C.A Interactive Computer Graphics : (A.T.K.T), , - - Question Paper
RF-4815
M. C. A. (Sem. Ill) (ATKT) Examination
April/May - 2010
Paper - 305 : Interactive Computer Graphics
Time : 3 Hours]
Instructions :
[Total Marks : 70
N Seat No.:
6silq<3i Puunkiufl [qaim SuwiA u* qsq <KH=fl. Fillup strictly the details of signs on your answer book.
Name of the Examination :
M. C. A. (Sem. 3) (ATKT)
Name of the Subject:
Paper - 305 : Interactive Computer Graphics
Student's Signature
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-Subject Code No.: |
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-Section No. (1,2......): Nil |
Do as directed:- 14
(a) What do you mean by DDA? Explain DDA line drawing algorithm. Also discuss limitation of DDA algorithm.
(b) What do you mean by symmetry of a circle? What is an initial decision parameter of circle according to integer algorithm?
(c) What is inside test? Give usage of inside test.
Do as directed:- 14
(a) Differentiate following (any two):-
(1) Bitmap and stroke method of character generation
(2) CRT and LCD
(3) Raster scan system and random scan system
(b) Write a note on line style primitive.
OR
(b) Define pixel, aspect ratio, refresh rate and random resolution.
(c) What do you mean by scaling? What is uniform scaling and differential scaling?
as directed:- 14
Why do we fill polygon with colors? Explain any one filling method with its advantages and limitations.
3 Do
(a)
(b) (b)
4 Do
(a)
(a)
(b)
(c)
(c)
5 Do
(a)
(b) (c)
(c)
Define transformation. Why transformation in computer graphics represented in terms of matrix? Obtain transformation matrix for enlarge or shrink and image with respect to fixed point.
What do you mean by homogenous coordinates? Derive 2D rotation transformation with respect to arbitrary point.
as directed:- 14
Explain any one polygon clipping algorithm.
Explain Liang-Barskey line clipping algorithm.
Line clipping algorithm can be used with polygon clipping. Justify with proper example.
Explain any two character clipping methods.
How do you achieve mirror image using transformation?
as directed:- 14
What is projection? Compare parallel projection and perspective projection.
Why do we need illumination model? What is diffuse illumination and specular reflection?
Define computer animation. Explain steps to create animation sequence.
Write a note graphics standard.
RF-4815] 2 [ 400 ]
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