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Functioning of hardcopy devices and Output primitives
1. Functioning of hardcopy devices-laser printers and dot matrix printers, plotters.
2. Output primitives: Graphics programming packages provide basic geometric shapes such as line segments, circles, ellipses and other simple curves as building blocks for defining more complex structures. These are known as output primitives.
Question 1: (a) Define what you understand by the following terms: i) Pixel ii) Pixel Aspect Ratio iii) Frame rates. iv) Animation In each of the above, use diagr
Output Primitives and Geometric Transformations You learnt how some basic geometric objects such as line segments, circles, ellipses and other curves are processed for plotting
Question: (a) Differentiate between lossy and lossless compression. (b) State the uses of the two compression standards MPEG-1 and MPEG-2. (c) State three areas where
Graphic Primitives In previous section, we have discussed refreshing display devices and its categories which are Raster and Random Scan display devices. We have also discusse
Need for Video Compression: T he high bit rates that result from the various types of digital video make their transmission through their intended channels very difficult. Eve
Ray Casting -polygon rendering and ray tracing methods It is a method wherein the surfaces of objects visible to the camera are determined by throwing or say casting rays of
Buffer Areas Required For Z-Buffer Algorithm For applying z-buffer algorithm, we need two buffer areas or two 2-Dimentional arrays: 1) Depth-buffer [i,j], to sa
structure of display file
Web-based Services: Commonly utilized software is: Protected Area Archive characteristics: Image display, roam, zoom and Image enhancement. Simple image processing.
Liang Barsky line clipping algorithm : The algorithm uses parametric form of the line segment. Four inequalities are created using the parametric form of the line segments. Th
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