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What is run length encoding?
Run length encoding is a compression method used to store the intensity values in the frame buffer, which keeps each scan line as a set of integer pairs. One number each pair shows an intensity value, and second number specifies the number of adjacent pixels on the scan line that are to have that intensity value .
Potentially entering and leaving points - P E and P L The intersection point of the line and window might be classified either like potentially leaving or entering. Before g
about photoshop
Transformation for Isometric projection - Transformation Suppose that P(x,y,z) be any point in a space. Assume as a given point P(x,y,z) is projected to the P'(x'y',z') on t
Question : (a) What do you understand by the term ‘contone'? (b) What are spot colours? (c) You have been asked to prepare an artwork (a magazine) to send to a printer.
Perspective Projection 1. Perspective projection gives more realistic appearance and uses the same principle as used in camera. 2. Perspective projection is not an affine tr
What is a spline? To produce a smooth curve by a designed set of points, a flexible strip called spline is used. Like spline curve can be mathematically explained with a piece
What is resolution? Ans. The maximum number of points that can be shown without an overlap on a CRT is known as resolution.
Exceptional cases - Orthographic Projection 1) We have an Orthographic projection, if f=0, then cot (β) =0 that is β=90 0 . 2) β =cot-1 (1)=450 and this Oblique projec
Aspect ratio - Display Devices Ratio of vertical points to horizontal points necessary to produce equal length lines in both directions on the screen. For example, in a CRT mon
Demerit - phong shading or normal vector interpolation shading Needs lot of computations to determine intensity at a point, hence increases the cost of shading in any impleme
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