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Define pixel and frame buffer?
Pixel is shortened forms of picture element. Every screen point is referred to as pixel or pel.
Picture definition is kept in a memory area called frame buffer or refresh buffer.
Define clipping and covering (exterior clipping)? Clipping is the process of cutting a graphics display to neatly fit a predefined graphics region or the view port. This is
LCD - Liquid Crystal Display A liquid crystal display consists of two glass plates each containing a light polarizer. One glass plate contains vertical polarizer and the ot
Line Drawing Display - Random Scan Display Device The display through this system is termed as Line Drawing Display. The sequence controls the subsequent stages, demonstrated
Explain the term- Control Traffic lights (controlling the sequence of lights to maintain optimum traffic flow), chemical and nuclear plants (opening and closing valves, safety
What are the advantages of rendering by patch splitting? i. It is fast-especially on workstations with a hardware polygon-rendering pipeline. ii. Its speed can be varied b
Implement displacement mapping and bump mapping on a sphere. The displacement can be whatever your choice. The bump map can be whatever your choice as well.
GIF File Compression The Graphic Interchange Format file format utilizes a relatively basic form of file compression which squeezes out inefficiencies within the data storage w
A color histogram is a representation of the distribution of colors in an image. For digital images, a color histogram represents the number of pixels that have colors in each of a
Advantages of GIF Files GIF is the most extensively supported graphics format upon the Web. GIFs of diagrammatic images appear better than JPEGs. GIF maintains inte
2D Shape Primitives You have already learnt to plot a point or a pixel on any display device. In this unit, we shall introduce you to various devices available for data input o
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