31 Terms
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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
Add a new termContributors in Mapping science
Mapping science
bathythermograph
Earth science; Mapping science
An instrument for obtaining and recording temperature as a function of depth (strictly speaking pressure) in the ocean, from a ship under way.
baudet code
Earth science; Mapping science
A code (1) which uses five binary digits to represent one character.
Australian Height Datum
Earth science; Mapping science
A vertical-control datum in Australia, based on a defined geoidal height of 6 meters at Johnston Geodetic Station.
photographic base line
Earth science; Mapping science
That line, on a photograph, joining the principal point on that photograph to the point, on the same photograph, which corresponds to the principal point on another (overlapping) photograph.
eccentric angle
Earth science; Mapping science
The angle ε such that a pair of coordinates x and y can be found, on an ellipse with major diameter 2a and minor diameter 2b, satisfying the equations cosε = x/a and sinε = y/b.
acquire
Earth science; Mapping science
Detect or receive a signal from an object. The term is used in this sense in the photography of missiles and in radar.
broken base line
Earth science; Mapping science
A base line(2b), for triangulation, consisting of two or more lines that form a continuous line and have the same general direction.
