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What is Raster Scan Display
A raster scan display device using CRT on the other hand directs the electron beam across the screen, one row at a time from top to bottom. In a raster scan display device, the screen is assumed to consists of a two-dimensional matrix. Remember that the term raster was used for a 2-D matrix. Each point of the screen corresponding to a matrix element is called pixel (picture element) as shown in Figure
issues in scan conversion
Specular Reflection - Polygon Rendering & Ray Tracing Methods Specular reflection is while the reflection is stronger in one viewing direction that is a bright spot, termed
Passive Computer Animations: That has no option for users to utilize computer graphics today is mostly interactive for example: movies. Frame animation is non-interactive anim
differece between circle and eclipse
identify a sphere along with a light source above it; hence its lower half will not be illuminated. In practice in a actual scene this lower half would be partially illuminated thr
Flat Panel Displays - Hardware Primitives 1. Flat panel displays have now become more common. These include liquid crystal displays (LCD) and thin film electroluminescent disp
what the types of character generation
Functioning of hardcopy devices and Output primitives 1. Functioning of hardcopy devices-laser printers and dot matrix printers, plotters. 2. Output primitives: Graphics
What is Aspect ratio? The ratio of vertical points to the horizontal points essential to produce length of lines in both directions of the screen is known as the Aspect ratio.
To find out average unit normal vector at each polygon vertex At each polygon vertex as demonstrated by point V in the figure above, the normal vector is acquired by averaging
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