GIS Dictionary

[ESRI software] A string value, stored in the system registry, identifying a class by library and class name, for example […]

1 [ESRI software] In Survey Analyst, a specific task for capturing survey data. This can include anything from a field

[ESRI software] A geodatabase designed to manage database and map production for the Production Line Tool Set (PLTS). The PMC

[modeling] Any data in a process that existed before the process existed.

[ESRI software] In an ArcView 3.x project, the process of updating document paths when referenced document data is moved from

A reference system used to locate x, y, and z positions of point, line, and area features in two or

A measurement of locations on the earth’s surface expressed in a two-dimensional system that locates features based on their distance

[coordinate systems] A method by which the curved surface of the earth is portrayed on a flat surface. This generally

[data conversion] The mathematical conversion of a map from one projected coordinate system to another, generally used to integrate maps

[data conversion] A transformation used only to transform coordinates digitized directly from high-altitude aerial photographs of relatively flat terrain, assuming

[mathematics] An ellipsoid created by rotating an ellipse around its major axis.