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Input and Hardcopy Devices
This section gives a brief introduction to the functioning of some well known input and hardcopy devices. Input devices include keyboard, mouse, scanners, joysticks, digitizers data gloves, touch panels and a few more. Hardcopy devices that are discussed are mainly printers. You can start with reading the following.
You can look at an input device in two ways: physically what it is, and logically what it does. Physically, each of the devices like mouse, keyboard, joysticks or trackball are like a small gadget whose use can be manipulated by hands. It then measures these manipulations and sends corresponding numerical information back to the graphics program.
Historical method - Oral tradition: Only the teacher was the source of information The teacher treated as a role model. The teacher was the main resource to meet indiv
Given two triangles P along with vertices as P1(100,100,50), P2(50,50,50), P3(150,50,50) and q along with vertices as Q1(40,80,60), q2(70,70,50), Q3( 10,75,70), determine that tria
Q. Write a short note on area subdivision method for hidden surface removal. Ans. Area Subdivision This technique for hidden- surface removal is essentially an image- spac
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Determine the transformation matrix for the reflection about the line y = x. Solution: The transformation for mirror reflection regarding to the line y = x, comprises the subs
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Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
Digital & Interactive Media has been developed in 20th century: New media improve visual and verbal content. It doesn¹t replace earlier media. New media lets dynamic alteration of
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