GIS Dictionary

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satellite constellation

1 [remote sensing] The arrangement of a set of satellites in space. 2 [GPS] All the satellites visible to a […]

saturation

1 [graphics map display] The intensity or purity of a color; the perceived amount of white in a hue relative

scalable

[computing] The ability to grow in size or complexity without showing negative effects.

scalar reference

[ESRI software] In Survey Analyst, used to define measurement units based on a common standard.

scale

1 [cartography] The ratio or relationship between a distance or area on a map and the corresponding distance or area

scale

1 [cartography] The ratio or relationship between a distance or area on a map and the corresponding distance or area

scale bar

[symbology] A map element used to graphically represent the scale of a map. A scale bar is typically a line

scale factor

1 [cartography] The reciprocal of the ratio used to specify scale on a map. For example, if the scale of

scale range

[map display] The scales at which a layer is visible on a map. Scale ranges are commonly used to prevent

scanner

1 [data capture] A device that captures a print or hard-copy image, such as a text document or map, and

scanning

The process of capturing data from hard-copy maps or images in digital format using a device called a scanner.

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