GIS Dictionary

[remote sensing] Imaging sensors that can only receive radiation, not transmit it.

[computing] A string of characters that a user must enter to access a computer, program, database, or Web site. Passwords

[3D GIS] A single triangular face inside a multipatch geometry. In most cases, many patches (faces) are used together to

1 [network analysis] The connecting lines, arcs, or edges that join an origin to a destination. 2 [computing] In computing,

[spatial analysis] In ArcGIS Spatial Analyst, a description of each cell’s least accumulative cost relationship to a source or a

[ESRI software] A label that describes the nature of the association between the objects in a relationship. The forward path

[network analysis] The process of calculating the optimal path between an origin and a destination point or points in a

In image processing, the computer-based identification, analysis, and classification of objects, features, or other meaningful regularities within an image.

[data structures] Acronym for Portable Document Format. A proprietary file format from Adobe that creates lightweight text-based, formatted files for

1 [geography] The highest point of a mountain or hill. 2 [modeling] In modeling, a point on a surface around

[Euclidean geometry] A measurement of the rate of change of elevation over a given horizontal distance, in which the rise