13 Terms
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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
Primary colour
Earth science; Mapping science
The colour of one of the sets of coloured lights used as references and by additive mixtures of which all other colours of the spectrum can be produced. The colours often chosen are red, green, and ...
Bumstead tripod
Earth science; Mapping science
A tripod similar to the Johnson tripod but simplified and made lighter. In the United States of America, it replaced the Johnson tripod about 1900.
Calculation
Earth science; Mapping science
The processes of addition, subtraction, multiplication and division. Arithmetic is a more general term; it includes calculation and the theory behind calculation.
Cluster analysis
Earth science; Mapping science
A statistical procedure for identifying those points in the data about which the data seem to cluster.
Calibration templet
Earth science; Mapping science
(1) A sheet of glass, plastic, or metal made to show, according to the data provided by calibration of a camera, the relationship of the principal point to the fiducial marks. A calibration templet ...
Besselian pendulum-apparatus
Earth science; Mapping science
A pair of filar pendulums differing in length by 1 toise, as used in Bessel's pendulum apparatus of 1826 1827, and having a special kind of suspension.
Calibration of a camera
Earth science; Mapping science
Determination of the following quantities: (a) calibrated focal length; (b) location of the principal point with respect to the fiducial marks; (c) location of the point of symmetry; (d) the ...
