GIS Dictionary

Of an arc’s two endpoints, the last one digitized. From- and to-nodes give an arc left and right sides and, […]

[geography] A formulation of the concept of spatial autocorrelation by the geographer Waldo Tobler (1930-), which states “Everything is related

[ESRI software] A line of encrypted code generated by an authenticating service that allows a client to access a Web

[data editing] The minimum or maximum variation allowed when processing or editing a geographic feature’s coordinates. For example, during editing,

1 [software] A command that requires interaction with the GUI before an action is performed. For example, a zoom tool

[software] A graphical user interface (GUI) with buttons that allow users to execute software commands.

[ESRI software] In ArcGIS, an object that contains toolsets and geoprocessing tools. It takes the form of a .tbx file

[ESRI software] In ArcToolbox (part of ArcGIS 8.3 and earlier versions), a hierarchical view of toolsets and tools grouped by

[programming] An application that software developers can use with their integrated development environment (IDE) to make programming easier. For example,

[ESRI software] In ArcGIS, a group of geoprocessing tools that perform similar tasks.

[software] The description of a tool or control that is displayed on screen when the mouse is paused over it.