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Posted By: kishore Member Level: Gold Posted Date: 24 May 2008
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2007 Jawaharlal Nehru Technological University M.C.A Computer Aplications COMPUTER GRAPHICS Question paper
1.a) Differentiate between Raster Scan devices and Random Scan
devices.
b) Write an algorithm to generate a circle using Bresenham’s
Algorithm.
2.a) What do you mean by Normalized device co-ordinates?
b) Write an algorithm to fill a polygon.
3.a) Explain the process of scaling an object to half its size about an
arbitrary line y = mx+C.
b) Explain the need of homogeneous co-ordinates.
4.a) Differentiate between window and view port.
b) Write an algorithm for Clipping a Polygon.
5.a) Describe the process of simulating a Locator.
b) What is meant by delectability attribute?
6. Describe about parallel projection, perspective projection and
Isometric Projection (with a neat diagrams).
7.a) What are Z-buffers?
b) Explain painters Algorithm with an example.
8. Write short notes on any THREE of the following:
(a) Bezier curves
(b) B-Splines
(c) Multiple windowing
(d) Segment Table Renaming
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