spatial coordinate
101Minkowski diagram — In the theory of relativity each observer assigns the event at A to a different time and location. The Minkowski diagram was developed in 1908 by Hermann Minkowski and provides an illustration of the properties of space and time in the special… …
102United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
103Digital line graph — USGS Logo A Digital Line Graph (DLG) is a cartographic map feature represented in digital vector form that is distributed by the U.S. Geological Survey (USGS). DLGs are collected from USGS maps and are distributed in large , intermediate and… …
104Monochromatic electromagnetic plane wave — In general relativity, the monochromatic electromagnetic plane wave spacetime is the analog of the monochromatic plane waves known from Maxwell s theory. The precise definition of the solution is a bit complicated, but very instructive. Any exact …
105Safe Software — Inc. provides software and consulting services focused on managing the exchange of both spatial (geographic) and non spatial data between GIS applications and/or relational databases with differing file formats and structures.The company’s core… …
106Minimum bounding rectangle — The minimum bounding rectangle (MBR), also known as bounding box or envelope, is an expression of the maximum extents of a 2 dimensional object (e.g. point, line, polygon) within its 2 D (x, y) coordinate system, in other words min(x), max(x),… …
107Web mapping — is the process of designing, implementing, generating and delivering maps on the World Wide Web and its product. While web mapping primarily deals with technological issues, web cartography additionally studies theoretic aspects: the use of web… …
108Space — is the extent within which matter is physically extended and objects and events have positions relative to one another [ [http://www.britannica.com/eb/article 9068962/space Britannica Online Encyclopedia: Space] ] . Physical space is often… …
109Geodetic system — For other uses, see Geodetic. Geodesy Fundamentals …
1103-sphere — Stereographic projection of the hypersphere s parallels (red), meridians (blue) and hypermeridians (green). Because this projection is conformal, the curves intersect each other orthogonally (in the yellow points) as in 4D. All curves are circles …
