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Raster and random scan displays
In Raster scan displays, whole screen is refreshed a number of times in a second to keep the picture visible on the screen. This is called refresh rate of the system. In random scan display line drawing commands are used to plot a graphics that is every graphics object is saved as a sequence of line segments. This is also refreshed a number of times in a second, but its refresh rate depends on the number of lines to be displayed. If the drawing is complex, the refresh rate is different from when the drawing is small and simple.
Three dimensional display methods: Among the simplest three dimensional surface representations are the polygonal surfaces. A polygonal surface is described by vertices
normal vector
types of character generation techniques
Use of Interactive Multimedia in Education Virtual reality, where 3-D experimental training can simulate real situations. Computer simulations of things too expensive,
List out the merits of Plasma panel display? Merits Refreshing is not needed Produce a very steady image free of Flicker Less bulky than a CRT. Demerits
Line Generation Algorithms - Graphic Primitives In previous section we have discussed the case of frame buffer, here information regarding the image to be projected upon the
Distinguish between parallel and perspective projection Parallel Projection Perspective projection Coordinate position are transformed
applications of visualization
mcqs of illustration in nts test
Resolution - Display Devices On a display device, the resolution means the maximum number of points that can be displayed simultaneously without an overlap in a row and number
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