Foreign key-primary key relationships define a relational join. See also relate . The pattern into which data are systematically arranged for use on a computer. A file format is the specific design of how information is organized in the file. Contrast to command line interface .
TIN represents data as functional surfaces.
Functional surfaces are also referred to as 2.5-dimensional surfaces. The fuzzy tolerance is an extremely small distance used to resolve inexact intersection locations due to limited arithmetic precision of computers. A work of geographic reference that supplies place name and location information. When a place name is known, a gazetteer can provide the coordinates of the place. Most atlases contain gazetteers.