GIS Dictionary

[Internet] Acronym for Secure Hash Algorithm v1. A Federal Information Processing Standards (FIPS) method for encoding sensitive information before sending […]

A raster image that shows changes in elevation using light and shadows on terrain from a given angle and altitude

Graphic patterns such as cross hatching, lines, or color or grayscale tones that distinguish one area from another on a

[programming] An application that uses the session state management capabilities of a Web server to maintain application state and makes

[data models] The characteristic appearance or visible form of a geographic object as represented on a map. A GIS uses

[ESRI software] A vector data storage format for storing the location, shape, and attributes of geographic features. A shapefile is

[data models] A boundary common to two features. For example, in a parcel database, adjacent parcels share a boundary. Another

[ESRI software] Data layers, services, maps, applications, and so on that are available to more than one user.

[ESRI software] Data layers, services, maps, applications, and so on that are available to more than one user.

[data models] A vertex common to multiple features. For example, in a parcel database, adjacent parcels share a vertex at

[symbology] A map symbol that serves as a route marker. Shields come in many varieties, but the most common shields