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Raster Graphics
Raster Graphics In computer graphics , a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color ), viewable via a monitor , paper , or another display medium. Raster images are stored in image files with varying formats. A bitmap is a rectangular grid of pixels, with each pixel's color being specified by a number of bits. [1] A bitmap might be created for storage in the display's video memory [2] or as a device-independent bitmap file. [1] A raster is technically characterized by the width and height of the image in pixels and by the number of bits per pixel (or color depth , which determines the number of colors it can represent). [1] The printing and prepress industries know raster graphics as contones (f...
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