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What is fixed point scaling?
The location of a scaled object can be controlled by a position known as the fixed point that is to remain unchanged after the scaling transformation.
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 refre
De Casteljeau algorithm: The control points P 0 , P 1 , P 2 and P 3 are combined with line segments termed as 'control polygon', even if they are not actually a polygon although
QUESTION (a) What is the difference between kerning and tracking? (b) What is the advantage of creating colours in the Swatches panel instead of the Colour panel? (c) Wha
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
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
Rotation about z-axis - Transformation for 3-d rotation Rotation about z-axis is explained by the xy-plane. Suppose a 3-D point P(x,y,z) be rotated to P'(x',y',z') along with
Define Random Scan/Raster Scan displays. Ans. Random scan is a process in which the display is made by the electronic beam, which is directed, only to the points or division of
Mathematical description of a Perspective Projection A perspective transformation is found by prescribing a center of projection and a viewing plane. Let here assume that P(x
Progressive Scan: Progressive or non-interlaced scanning is a process which displays, transmits or stores moving images wherein, the lines of all frame are drawn in order. It is i
Random Scan Display Device The original cathode ray tube, developed in the late fifties and early sixties, produced charts and pictures, line through line on the tube surface
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