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Area Filling Algorithms
Before we go ahead with area filling algorithms, a word about pixel addressing and object geometry. You know that line segments are discretized into finite number of pixels and each pixel has its height and width depending upon the aspect ratio of the display unit.Therefore, if you plot a single pixel it will occupy some area on display unit. This contributes to the object geometry resulting in aberrations from the actual size. For example, if you have to plot a line segment starting from (10,10) to (15,10), then length of the segment is 5 whereas, in plotting this line segment, six pixel areas will be contributing to this segment, resulting in increased length of line segment by one unit.
Explain application areas of computer graphics in different areas. Early computer graphics has only certain special capabilities such as straight lines circles and ellipses
Midpoint Circle Generation Algorithm Just as a line drawing algorithm approximates infinite number of points on a line segment by only a finite number of pixels, a circle dra
Algorithms for filled-area primitives These algorithms are classified into two categories (i) Scan line algorithms (ii) Seed fill algorithms.
why overstriking is harmful.justify
Disadvantages : 1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer. 2) Dependency of device and memory intensive. 3) Wasted calculation u
Write short notes on active and passive transformations? In the active transformation the points x and x represent different coordinates of the similar coordinate system. Here
Lossy Audio Formats: These are based on sound models which eliminate audio data such humans cannot or can hardly hear, for example: a low volume sound after a large volume sound.
How many key frames does a one-minute animation film order along with no duplications need? Solution : One minute = 60 seconds Number of frames needed per second=24 Numbe
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What do you mean by emissive and non-emissive displays? The emissive display changes electrical energy into light energy. The plasma panels, thin film electro-luminescent disp
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