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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
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Mapping science
Backsight
Earth science; Mapping science
(1) A sight to a previously established point of a survey, or the reading or measurement obtained by that sight. (2) In levelling from an initial point to a final point through a sequence of ...
Aiming circle
Earth science; Mapping science
A theodolite of low accuracy with limited amount of rotation vertically, a low power telescope, and containing a magnetic compass. Aiming circles used by the artillery have been graduated in mils. ...
Parallactic angle
Earth science; Mapping science
The angle, on the celestial sphere, between a great arc from a heavenly body to the pole and a great arc from the celestial body to the observer's zenith. It should not be confused with parallax.
Apo
Earth science; Mapping science
(prefix) Farthest from the attracting body. e.g. apogee, that point, in the elliptical orbit of a terrestrial satellite, at which the satellite is farthest from the Earth. But aphelion, not ...
Skew angle
Earth science; Mapping science
(1) The acute angle between a line perpendicular to one center-line and to another centre line. (2) The amount of angle by which that two intersecting lines deviate from a right angle.
Solar attachment
Earth science; Mapping science
A device which can be attached to an engineer's transit or other kind of theodolite, to permit the instrument's use as a solar compass.
Autocollimation
Earth science; Mapping science
(1) The process of using an autocollimator. (2) The procedure used to determine or transfer azimuth to an instrument or device by using an autocollimator.
