[remote sensing] Stereo pairs are overlapping photos taken at different positions but of the same area. Parallax is used to interpret height differences within the overlapping area.

Reference frame in which the defining parameters exclude time evolution.

[coordinate system] State Plane Coordinates is a standardized system in the United States based on Lambert conformal conic and transverse Mercator projections.

First point of a curve.

Activity of establishing, with regard to actual or potential problems, provisions for common and repeated use, aimed at the achievement of the optimum degree of order in a given context.

Such as Federal Public Service, Federal Statutory Bodies, State Public Service, State Statutory Bodies, Local Authorities and Private Sector.

Structured Query Language; a standard interface for access to a relational database through queries that select records matching logical expressions.

An earth resource satellite with high resolution sensors launched by France in January 1986.

Closed surface that differs only slightly from that of a sphere.

[coordinate system] Spherical coordinates is a coordinate system based on a sphere defined by two angles of rotation in orthogonal planes. The most common is latitudes and longitudes in a geographic coordinate system.

Three-dimensional coordinate system with one distance measured from the origin and two angular coordinates, commonly associated with a geodetic coordinate reference system.

Specific wavelength interval within the electromagnetic spectrum.

[data structure] A spatial relationship links GIS features with a table by a unique identifier all stored in a relational database management system.