STUPIDSID
1 (a)
Explain the method to draw thick line using Bresenham's algorithm.
5 M
1 (b)
Differentiate between image space and object space.
5 M
1 (c)
What is aliasing? Explain some antialiasing techniques.
5 M
1 (d)
Derive the transformation matrix to magnify the triangle A(0,0), B(1,2), C(3,2) to twice its size so that the point C(3,2 ) remains fixed.
5 M
2 (a)
Explain Liang Barsky line clipping algorithm. Apply the algorithm to line with co-ordinates (30,60) and (60,25) against the window (Xmin, Ymin) = (10,10) and (Xmax, Ymax) = (50,50).
10 M
2 (b)
Explain parallel and perspective projection. Perform perspective projection of unit cube when the centre projection is at Xc=10, Yc=10 on to z=0 plane.
10 M
3 (a)
Derive the composite matrix for reflection of an object about a line y=mx+c. Apply the derived matrix for the object A(4,2) , B(5,3), C(6,2) and D(7,1) on the line y=2x.
10 M
3 (b)
Derive the midpoint algorithm for ellipse generation.
10 M
4 (a)
Explain Weiber-Atherton algorithm for polygon clipping. What are its advantages over other polygon clipping algorithms?
10 M
4 (b)
Explain the different Raster techniques and the transformation associated with it.
10 M
5 (a)
Explain Painter's algorithm.
10 M
5 (b)
Explain Gouraud and Phong shading with their advantages and disadvantages.
10 M
6 (a)
Explain computer assisted animation and frame by frame animation.
10 M
6 (b)
Explain scan line fill algorithm with suitable example.
10 M
7 (a)
Explain RGB and CMY colour models.
10 M
7 (b)
State the properties of Bezier curves. How a Bezier surface be generated from a Bezier curve?
10 M
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