GIS Dictionary

[data structures] Data that specifically refers to times or dates. Temporal data may refer to discrete events, such as lightning strikes; moving objects, such as trains; or repeated observations, such … Read more

[ESRI software] In ArcGIS Tracking Analyst, a type of event used to describe observations through time of particular objects or groups of objects.

[ESRI software] All the temporal information, including the earliest and last observations, of a data layer in ArcGIS Tracking Analyst.

[data models] An emerging capability in GIS for integrating temporal data with location and attribute data.

[ESRI software] In ArcGIS Tracking Analyst, an object being observed through time.

[ESRI software] The component of a complex temporal event in ArcGIS Tracking Analyst that contains feature shape and attribute information.

[ESRI software] In ArcGIS Tracking Analyst, data gathered for a given object through time.

[ESRI software] The component of a complex temporal event in ArcGIS Tracking Analyst that contains feature attribute information, and possibly time and date information.

[ESRI software] A function in ArcGIS Tracking Analyst that allows users to play back the temporal display of data as if it had occurred at a user-defined date and time. … Read more

[ESRI software] In ArcGIS Tracking Analyst, the time range within which data will be displayed. Temporal windows can be set at the layer level on the Symbology tab.

[data storage] A dataset temporarily stored on disk or in memory.

[geography] An area of land having a particular characteristic, such as sandy terrain or mountainous terrain.

[3D GIS] A multiresolution, TIN-based surface built from measurements stored as features in a geodatabase. Associated and supporting rules help organize the data and control how features are used to … Read more

[3D GIS] A data structure associated with a terrain dataset used to define a multi-resolution surface, which organizes data into different levels of detail, or pyramid levels, and serves to … Read more

[3D GIS] In a terrain dataset, a collection of line or polygon feature classes used to represent those geographic features at different levels of detail.

[3D GIS] An individual level of detail in a terrain dataset pyramid. Each level has a pair of properties: resolution and scale. The resolution defines the amount of detail represented … Read more

[3D GIS] The range of pyramid levels for which polygon or polyline features will be enforced in the surface of a terrain dataset.

[3D GIS] A spatially coherent organization of terrain data facilitating efficient retrieval and editing. Tile definition is based on the average point spacing of the source data.

[data structures] The division of a two-dimensional area into polygonal tiles, or a three-dimensional area into polyhedral blocks, in such a way that no figures overlap and there are no … Read more

[ESRI software] A table containing text attributes, such as color, font, size, location, and placement angle, for an annotation subclass in a coverage. In addition to user-defined attributes, the text … Read more

[software] An entity that displays text entered by a user or derived from another source for editing purposes.

[ESRI software] A rectangle that bounds a text string.

[ESRI software] Tags used with text in ArcGIS that allow formatting to be modified for a portion of a text string. This allows the creation of mixed-format text where, for … Read more

[cartography] Text placed next to a feature on a map to describe or identify it.

[symbology] A text style defined by font, size, character spacing, color, and so on, used to label maps and geographic features.

[3D GIS] A digital representation of the surface of a feature.

[ESRI software] In ArcScene and ArcGlobe, a location embedded in a geometry that helps define how a texture is mapped.

[ESRI software] The application of a texture to a 3D object in ArcScene and ArcGlobe.