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G Back to Index Geo-coding In spatial databases, a coding process wherein a digital map feature is assigned an attribute to serve as a unique ID (tract number, node number) or classification (soil type, zoning category). In polygon processing, the polygon boundary that contains the coordinate pair of a data item (text label) is assigned the value of that data item as "geo-code". GIF Graphics Interchange Format The image file format originally developed by CompuServe as a machine-independent image file format. GIF files are a popular way of storing 8 bit, scanned or digitized images, and the compression ratios achieved are commonly better than other 8 bit formats. This format is commonly used in Internet applications. GPS Acronym for Global Positioning System, hardware and software designed to communicate with satellites to determine ground location. |
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