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Explore the process of creating and manipulating pictures in graphics, input devices used, types of displays, coordinate systems, display devices, algorithms like Bresenham’s and line clipping, and transformations like rotation and scaling.
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Q.1: How is creation & manipulation of pictures carried out in Graphics? Describe the input devices that are used to create Pictures? • Q.2: Distinguish between Raster Scan & Random Scan displays? • Q.3: Difference between Cartesian coordinates & Polar coordinates? • Q.4: Describe the following in context of display devices: (a) Emissive devices (b) Colored CRT (c) Resolution • Q.5:Explain Beam penetration & shadow mask method?
Q.6: Perform a 45 degree rotation of a triangle with vertices A(2,3),B(1,-1), C(5,2) about a point P(-2,-2). • Q.7: Explain Bresenham’s algorithm .What are the advantages of Bresenham’s line drawing algo over other line drawing algo? • Q.8:(a) Obtain the mirror reflection of a point(7,12) w.r.t the line y=2. (b) Explain stack based seed fill algo for filling a polygon. • Q.9:(a) Perform scaling with parameter 1 & ½ in x & y-direction on a Triangle with vertices A(2,2) , B(4,2) , C(3,6). (b) Explain display processor? • Q.10: Explain: (a) Tweening& Mid-point subdivision line clipping algo (b) Dragging & Translation