GIS Dictionary

[map projections] A planar projection with its central point located at either the north or south pole.

A satellite orbit with an inclination near 90 degrees that passes over each polar region.

[geodesy] The distance from the earth’s geometric center to either pole.

1 [data models] On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the

1 [data models] A map feature that bounds an area at a given scale, such as a country on a

[data editing] The process of superimposing two or more geographic polygon layers and their attributes to produce a new polygon

[data models] In a polygon coverage, the list of topologically connected arcs that define the boundary of a polygon feature

A three-dimensional object or volume defined by a number of plane faces or polygons.

[ESRI software] In ArcGIS software, a shape defined by one or more paths, in which a path is a series

[ESRI software] In ArcGIS software, a digital map feature that represents a place or thing that has length but not

[Internet] A Web resource that provides access to a broad array of related resources and services.