Download JNTUA MCA 2016 Nov 4th Sem 9F00404c Computer Graphics Question Paper

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Code: 9F00404

MCA IV Semester Regular & Supplementary Examinations July 2015

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COMPUTER GRAPHICS

(For students admitted in 2009, 2010, 2011, 2012 and 2013 only)

Time: 3 hours Max Marks: 60

Answer any FIVE questions

All questions carry equal marks

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1. List and explain any three application areas of computer graphics. Differentiate between raster scan systems and random scan systems.
2. (a) Explain the steps required to scan-convert a circle using Bresenham’s algorithm.
   (b) What steps must be added to fill algorithm if a region is to filled with a pattern?
3. (a) Derive the transformation that rotates an object point about the origin. Write the matrix representation for this rotation.
   (b) Explain shear transformation with an example.

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4. (a) Write Cohen-Southerland line clipping algorithm.
   (b) Clip the polygon P1, ..... P7 in figure below against the window ABCD using the Sutherland-Hodgman algorithm.
   Py
5. Write short notes on the following:
   (a) Hermite curve.
   

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   (b) B-spline curves.
   (c) Bezier surfaces.
6. (a) Define tilting as a rotation about the X axis followed by a rotation about Y axis.
   (i) Find the tilting matrix.
   (i) Does the order of performing the rotation matter.
   

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   (b) Give a brief note on 3-D viewing pipeline.
7. (a) List and explain the steps involved in z-buffer algorithm.
   (b) Explain visibility-detection functions.
8. Explain the general computer animation functions and computer animation languages.

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