This glossary is a sub-set of one developed by the Urban and Regional Information

Systems Association (URISA)

Systems Association (URISA)

Cartesian Coordinate

Point whose location is expressed in terms of its distance above or below an X, a Y and a Z coordinate plane. Location of a point on a plane is expressed by two coordinate values, one representing the distance from the Y-axis and the other representing the distance from the X-axis.

Cartography

Cartography is the science and art of making maps and charts. More broadly, the term includes all the steps necessary to produce a map: planning, aerial photography, drafting, editing, color separation, and multicolored printing. With regard to computerized spatial databases, a spatial feature is a point, line, arcs, string, chain, polygons, symbol, text or other form of spatial entity.

Centerline

A centerline is a linear feature representing the midpoint along a linear element like a road or stream.

Point whose location is expressed in terms of its distance above or below an X, a Y and a Z coordinate plane. Location of a point on a plane is expressed by two coordinate values, one representing the distance from the Y-axis and the other representing the distance from the X-axis.

Cartography

Cartography is the science and art of making maps and charts. More broadly, the term includes all the steps necessary to produce a map: planning, aerial photography, drafting, editing, color separation, and multicolored printing. With regard to computerized spatial databases, a spatial feature is a point, line, arcs, string, chain, polygons, symbol, text or other form of spatial entity.

Centerline

A centerline is a linear feature representing the midpoint along a linear element like a road or stream.

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