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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.
Distinguish between bitBlt and pixBlt? Raster functions that manipulate rectangular pixel arrays are usually referred to as raster ops. Moving a block of pixels from one locat
Discuss in detail about rendering Computer animation uses a technique termed as avars (animation variable) where starting point is generally a series of stick figures; for exam
After going through this section, you should be capable to: know the meaning of Visible-surface detection; distinguish among image-space and object-space approach for vi
what are the steps involved in 3d transformation explain
How many key frames does one minute animation film order along with no duplications need if there are five in among for each pair of key frames? Solution : One minute = 60 sec
Define clipping and covering (exterior clipping)? Clipping is the process of cutting a graphics display to neatly fit a predefined graphics region or the view port. This is
what is curve clipping
multimedia
What is an axonometric orthographic projection and cabinet projection? The orthographic projection can show more than one face of an object. Such an orthographic projection i
Computer Aided Design and Drafting CADD or CAD stands for Computer Aided Design and Drafting. This is different from both "draw" and "paint" programs in which measurement is c
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