Veer Narmad South Gujarat University 2011-3rd Sem M.C.A SB-4325 -305 : Interactive Computer graphics ( Old & New ) ( )(ATKT) - Question Paper
M. C. A. (Sem. Ill) (ATKT) Examination
March / April - 2011
305 - Interactive Computer Graphics
SB-4325
(Old & New Course)
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Time : 3 Hours] Instruction : 6silq<3i Puunkiufl [qaim SuwiA u* qsq d-onql. Fillup strictly the details of signs on your answer book. Name of the Examination : |
[Total Marks : 70 ""'N Seat No.: |
M. C. A. (SEM. 3) (ATKT)
Name of the Subject:
Student's Signature
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305 - INTERACTIVE COMPUTER GRAPHICS (OLD & NEW) | |||||||||||||||
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1 Do as directed : 14
(a) Answer the following question in short : (any seven) 7
(i) What do you mean by uniform scaling ?
(ii) Define specular reflection and transparency.
(iii) What do you mean by antialiasing ?
(iv) What do you mean by morphing ?
(v) What is eight-way symmetry of circle ?
(vi) What are segments in GKS ?
(vii) What is the initial decision parameter for BRASENHAM circle drawing algorithm ?
(viii) Why circle equation is not used in generating circle in raster graphics ?
(ix) Define slope of line. Give the slope-intercept form of the equation for the line passing through the points (0,2.5) and (-1,3.5)
(b) Trace DDA line drawing algorithm for the line end 4 points (152, 136) to (156, 127).
(c) Consider three raster systems with resolution of 3 640 x 480, 1280 x 1024 and 2560 x 2048. What size frame buffer (in bytes) needed for each of these systems
to store 300 colors/pixel.
(c) Give advantages of computer graphics in the field 3
of visualization.
2 Do as directed : 14
(a) Write short note on following : (any two) 6
(i) Random Scan System
(ii) Plasma Panel
(iii) Graphics Standards.
(b) Differentiate between bitmap and stroke method of 4 character generation. Give there advantages and limitations.
(c) Explain non zero winding number rule and find 4 interior point with illustration.
3 Do as directed : 14
(a) Which algorithm is used in implementing bucket 7 tool of MS Paint ? Write advantages and limitation of that algorithm.
(b) What do you mean by transformation ? Obtain 7 transformation matrix for alter the location of the 2D object.
(b) Obtain rotation transformation matrix for 2D object. 7
4 Do as directed : 14
(a) Explain any one polygon clipping algorithm with 7
appropriate example.
(a) Explain mid-point subdivision algorithm for line 7 clipping.
(b) Clipping polygon can be achieved through clipping 4 lines of the polygon. Justify with proper example.
(c) What is the result of negative unit fixed point scaling 3 in x and y direction ? Explain with example.
(c) How do you achieve mirror image using 3
transformation ?
Do as directed : 14
(a) Write steps to obtain rotation transformation matrix 6 for 3D object with respect to arbitrary axis.
(b) What do you mean by animation ? Write steps to 4 create animation sequence.
(c) What is goal directed system ? Give examples. 4
(c) How do you achieve zooming effect ? 4
SB-4325] 3 [ 200 ]
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Attachment: |
| Earning: Approval pending. |
