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    Raster

    /ˈræstər/

    Meaning & Definition

    noun
    A raster is a grid of pixels or dots that represent images or data, commonly used in digital imaging, geographic information systems (GIS), and graphic design.
    The satellite imagery was provided in raster format, allowing us to analyze land use changes over time.
    In computer graphics, a raster refers to a data structure that represents a pixel-based image in two dimensions.
    The graphic designer converted the vector image into a raster to ensure compatibility with the printing process.
    In the context of GIS, a raster is a type of data representation that uses a matrix of cells arranged in rows and columns to represent spatial information.
    The elevation data was stored as a raster, with each cell representing a specific elevation value.

    Etymology

    From the Latin 'rastrum', meaning 'a rake' or 'to scrape'.

    Common Phrases and Expressions

    raster graphics
    Graphics made up of pixels with defined colors.
    raster scan
    A method of displaying images by scanning lines across the screen.

    Related Words

    pixel
    The smallest unit of a digital image or display.
    vector
    A type of graphic that uses geometric shapes instead of pixels.
    resolution
    The detail an image holds, usually measured by the number of pixels.

    Slang Meanings