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Found 16 Articles for Computer graphics

DDA line Drawing Algorithm in Computer Graphics

The DDA Digital Differential Analyzer algorithm is a basic line generation algorithm used in computer graphics to draw lines on a digital display It approximates the line by calculating pixel positions based on the slope of the line Here's a step-by-step explanation of the DDA line generation algorithm Input the coordinates of the starting and ending points of the line x y and x y respectively Calculate the differences between the x-coordinates and y-coordinates dx x - x dy y - y Determine the number of steps required to increment along the longer axis either dx or dy steps max Read More

Scan Converting a Straight Line

Scan converting a straight line is the process of determining the set of pixels or points on a display or image that lie along a straight line segment This technique is commonly used in computer graphics and is essential for rendering lines and other geometric primitives In the fig given below the two endpoints are described by x y amp x y nbsp Equation of the straight line To define a straight line we use the following equation nbsp nbsp nbsp nbsp nbsp y mx a Where nbsp x y axis m nbsp Slope of the line a nbsp Interception Read More

Scan Converting a Point

Scan converting a point refers to the process of determining which pixel on a raster display should be illuminated or assigned specific attributes to represent the given point Since a point has no spatial extent scan converting a point involves choosing a single pixel location to represent it The process of scan converting a point is relatively straightforward The coordinates of the point are usually given in terms of the x and y positions on the display The pixel corresponding to the nearest integer values of the point's coordinates is typically selected to represent the point In some cases rounding Read More

Scan Conversion in Computer Graphics

Scan conversion in computer graphics refers to the process of converting geometric primitives such as lines curves or polygons into a rasterized form for display on a pixel-based screen It involves determining which pixels should be illuminated or assigned specific attributes to accurately represent the desired shapes and objects Scan conversion enables efficient rendering and precise control over individual pixels forming the basis for generating graphics on modern digital displays Methods of Scan Conversion in computer graphics Mostly we perform scan conversion in computer graphics by using two methods Analog Method and Digital Method Analog Method It is the best Read More
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