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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.
What is Resolution, how to adjust it. Resolution: The maximum number of points that can be displayed without overlap on a CRT is referred to as the resolution . A more prec
View Volumes and General Projection Transformations You have to remember that the view volume is the volume which sets up near and far extents, top and bottom extents and left
QUESTION a) Differentiate between raster and vector images. b) Explain the concept of bit depth. What is the minimum number if bits required for a one-colour digital image t
functions of valuator
Categories of Line Segments It categorizes line segments into three categories (i) trivially rejected (ii) trivially selected (iii) may be partially visible or totally invisibl
determine the form of the transformation matrix for a reflection about an arbitrary line with equation y=mx+b.
Transformation for 3-D Reflection For 3-Dimensions reflections, we should to know the reference plane, which is a plane about that reflection is to be considered. Remember tha
(a) Differentiate between the following compression algorithm: 1. Shannon -Fano Algorithm and 2. Huffman Encoding (b) A statistical encoding algorithm is being considered
Figure uses three dashed arcs and one small circle. Dashed line or arc is a style attribute that can be attached with a line or a curve. In OpenGL you can use the line stipple func
What is the feature of Inkjet printers? Features of inkjet printers: They can print 2 to 4 pages/minutes. Resolution is about 360d.p.i. Thus better print quality is achie
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