Q - 1.
1. What is DDA? How Bresenham's line drawing algorithm is more efficient than DDA? Write
Bresenham's algorithm for the line with slope greater than or equal to 1. [07]
2. Explain how the winding number method and odd-even method for an inside test of a polygon. [07]
3. Explain parallel line drawing algorithm. How does it speed up the program? [06]
Q - 2. Answer following questions in short.
1. Which devices are used for data output on graphics workstations?
2. Explain Raster-Scan Displays.
3. Explain Random-Scan Displays.
4. Explain Shadow-mask method used in Color CRT Monitors.
5. What are composite monitors?
6. Explain Direct View Storage Technique.
7. Explain Raster-Scan Systems.
8. Explain Random-Scan Systems.
9. Explain Frame Buffer.
10. Explain Attributes of a line.
Q - 3. 1. Explain Midpoint Circle Generating Algorithm with one example. [10]
2. Explain Scan-Line Polygon Fill Algorithm. [10]