Raster image formats store the picture as a bitmap describing the state of pixels, as opposed to recording the length and locations of primitives such as lines and curves.
光栅图像格式将图片存储为描述像素状态的位图,而不是记录图元(譬如,线和曲线)的长度和位置。
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In this example, GQview has the broadest coverage for the picture-viewing functionality: Gimp for raster graphics and InkScape for vector graphic handling.
AHP to determine the impact of various factors coefficient, the coefficient can be as a weight assignment to the database, and ultimately as a rasterpicture of an important parameter.