1 (a)
State what is meant by clipping. Explain any one clipping algorithm.

5 M

1 (b)
Explain flood fill algorithm in detail.

5 M

1 (c)
Differentiate between random scan and raster scan technique.

5 M

1 (d)
Explain the various colour models in detail.

5 M

2 (a)
Define window and viewpoint. Derive window to viewport transformation.

10 M

2 (b)
Explain what is meant by Bezier curve. Also explain how a Bezier surface can be generated from Bezier curve.

10 M

3 (a)
What is meant by parallel and perspective projections? Derive the matrix for perspective projections.

10 M

3 (b)
Explain the steps used in rotation of 2D object about an arbitrary axis and hence derive the matrix for the same.

10 M

4 (a)
Explain midpoint circle algorithm. Explain the same to plot a circle whose radius is 10 units.

10 M

4 (b)
Explain half toning and dithering techniques in detail.

10 M

5 (a)
Derive Bressenhams line drawing algorithm for lines with slope < 1.

10 M

5 (b)
Explain Gourand and Phong shading techniques in detail.

10 M

Write short notes on: (any two)

6 (a)
Polygon clipping method.

10 M

6 (b)
OpenGL

10 M

6 (c)
Sweep representations.

10 M

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