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Posted By: Sree.... Member Level: Diamond Posted Date: 07 Feb 2008
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2007 Andhra Pradesh State Jawaharlal Nehru Technological University B.Tech COMPUTER GRAPHICS Set No. 4 Question paper
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Code No: RR420306 Set No. 4
IV B.Tech II Semester Supplementary Examinations, June 2007
COMPUTER GRAPHICS
( Common to Mechanical Engineering and Production Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
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1. Write short notes on:
(a) Liquid crystal displays
(b) Raster scan display system [8+8]
2. (a) Explain and demonstrate with suitable examples“ the even-odd method”of
determining the polygon interior points.
(b) Explain the flood-fill algorithm for filling polygons. [8+8]
3. (a) How the magnification and reduction of the graphical objects is done.
(b) Derive the composite transformation matrix which magnifies an object by ‘s’
units in x and y directions about its center c(h,k). [8+8]
4. What are the various operations to be performed on the segments? Discuss various
data structures that can be used for storing segments in the display files. [16]
5. Explain the logic of the Sutherland-Hodgman algorithm with the help of a neat
flowchart. Illustrate the working of your flowchart with the help of a suitable
example. [16]
6. Explain about the following 3D transformations:
(a) Scaling
(b) Translation
(c) Rotation about x-axis [16]
7. Write about the following:
(a) Gourand shading.
(b) Painter’s algorithm. [8+8]
8. Explain the following:
(a) Simple raster display system
(b) Sweeping method of interpolation. [8+8]
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