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Horizontal retrace - Display Devices
In a refresh CRT monitor, the time it takes for an electron beam to return to the left most point on the next horizontal line after refreshing one horizontal line is called horizontal retrace. The beam is shut off, blanked, during the period of retrace. Generally, about 83% of the total horizontal retrace time is spent tracing the line. The remaining 17% is spent bringing the beam back to the left side, before starting the next line.
Algorithm (scan-line): For each scan line perform from step (1) to (3). 1) For all pixels on a scan-line, arrange depth [x]=1.0 i.e. max value and Intensity [x] = background
What is vanishing point and view reference point? The perspective projections of any set of parallel lines that are not parallel to the projection plane converge to appoint cal
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
Write short notes on active and passive transformations? In the active transformation the points x and x| show different coordinates of the similar coordinate system. Here all
xy-Shear about the Origin - 2-d and 3-d transformations Suppose an object point P(x,y) be moved to P'(x',y') as a outcome of shear transformation in both x- and y-directions a
Example: Exemplify the Bresenham line generation algorithm through digitizing the line along with end points (20, 10) and (30, 18) Solution: m = (y2 - y1)/( x2 - x1) =
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
Military: In order to enter the military, one has to go by various training. Depending upon whether you want to be in the army, navy or the marines, you may be working along with
Non-Zero Accelerations - Computer Animation This method of simulating the motion is fairly helpful introducing the realistic displays of speed changes, particularly at the sta
Write a C code for generating concentric circles. Put the circle function circleMidpoint()in a for loop as follows: for( int radius = MinRadius; radius circleMidpoint(i
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