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A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

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digitizer

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  1. [data conversion] A field device used to convert real-world objects to digital x,y coordinates, yielding vector data consisting of points, lines, and polygons.

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  2. [data conversion] An optical device that translates an analog image into an array of digital pixel values. A video digitizer can be used in place of a manual digitizer, but since it produces a raster image, additional software must be used to convert the data into vector format before topological analysis can be done.

  3. [data conversion] The title of a person who uses a digitizer.

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