Download JNTUA M.Tech 2nd Sem 2017 Feb 9D04203 Computer Graphics Question Paper

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Code: 9D04203

Time: 3 hours

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M.Tech II Semester Supplementary Examinations January/February 2017

COMPUTER GRAPHICS

(Common to CAD/CAM & PEED)

Max. Marks: 60

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Answer any FIVE questions

All questions carry equal marks

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1. (a) Explain the working principle of liquid crystal display monitor.
   (b) Discuss in detail about the various input devices used in feeding data to a computer.

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2. (a) Write Bresenham algorithm for drawing a line.
   (b) What are the differences between DDA and Bresenham method of drawing line? Which method is good? Why?
3. (a) Explain how to half tone a rectangular region. Where is half tone applicable?
   (b) Describe about seed filling method to fill inner side of a polygon.
4. (a) Describe Cohen Sutherland subdivision method to clip all possible regions.
   

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   (b) Describe how midpoint subdivision method is used to clip all possible regions.
5. (a) Write Hodgeman polygon clipping algorithm. Explain with a simple example.
   (b) How is a character clipped? Explain with an example.
6. Derive a transformation matrix for translation and rotating combinations in the order of translation and rotation.
7. (a) Explain the variety of hidden surface removal method in detail.
   

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   (b) Write Warnock hidden surface removal algorithm. Give an example.
8. (a) Describe constant intensity algorithm for polygon rendering.
   (b) Compare various shading algorithms in terms of accuracy and speed of execution.

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