1 (a)
Explain 8 connected flood fill algorithm in detail.

5 M

1 (b)
Differentiate between random scan and raster scan techniques.

5 M

1 (c)
Explain Liang Barsky line clipping algorithm in detail.

10 M

2 (a)
Derive Bressenham's line drawing algorithm for lines with slope <1

10 M

2 (b)
Explain parallel and perspective projection and derive the matrix for perspective projection.

10 M

3 (a)
Derive the matrix for 2D rotation about an arbitary point.

10 M

3 (b)
Explain Gouraud and phong shading along with their advantages and disadvantages.

10 M

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

10 M

4 (b)
Explain any one polygon clipping method in detail.

10 M

5 (a)

Define window, viewport and hence derive window to viewport transformation.

10 M

5 (b)
Explain what is meant by Bezier curve. State its properties and hence explain how a Bezier surface can be generated from Bazier curve.

10 M

6 (b)
Open GL basic primitives

10 M

6 (c)
Sweep representation

10 M

Write short notes on any two following:-

6(a)
Half toning and dithering techniques.

10 M

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