1(a)
What is aliasing? Explain any two anti-aliasing techniques.

5 M

1(b)
Explain OpenGL basic primitives.

5 M

1(c)
Show that the composition of two successive rotation are additive i.e. R(θ1).R(θ2)=R(θ1+&theta2)

5 M

1(d)
What is the pupose of Inside-Outside Tests? Explain with an example.

5 M

2(a)
Write is the mid-point circle drawing algorithm. Using mid-point circle algorithm Plot the circle whose radius = 10 units.

10 M

2(b)
Apply the Cohen - Sutherland line clipping algorithm clip the line with coordinates (30, 60) and (60, 25) against the window with (Xwmin, Ywmin)=(10,10) and (Xwmax, Ywmax) = (50,50)

10 M

3(a)
Explain Weiler- Atherton polygon clipping algorithm in detail.

10 M

3(b)
Expalin Back Surface detection method in detail with an example.

10 M

4(a)
Explain and comapare Goraud Shading and Phong Shading.

10 M

4(b)
What are Parallel and Perspective projections and derive the matrix for perspective projection.

10 M

5(a)
Derive the matrix that represents scaling of an object with respect to any fixed point? Use that matrix to find P

^{1}for the given point P(6,8), Sx=2, Sy=3 and fixed point (2,2).
10 M

5(b)
Explain the properties of Bezier curves.

10 M

Write a short note any two Q6.(a,b,c)

6(a)
Comparison of 3D object representation methods

10 M

6(b)
Construction of Koch curve

10 M

6(c)
Halftone and Dithering techniques

10 M

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