Direct measurement - It acquiers its data directly, Indirect measurement - One in whichmeasurements are obtalned by applying a mathematics formula., Surveying - Concidered in many ways an autonous discipline, It is dedicated to the measurement of the distances of the earth´s surfaces, Planimetry - The measurementof flat surfaces., Altimetry - The measurement of heights, Geodesy - Deals with graphycally representing the surface of the earth, surveys - Set of operations required to obtain the position of points. , Cartography - science whose purpose is the making of maps and includes the set of studies and techniques involved in its establishment., Geomatics - Deals with the measurement, representation, analysis, direction, recovery, and display of special information tha describes the physical features of the land and the built environment, topography - Discipline that specializes in detailing the surfaces of terrestrial terrain in order to facilitate its graphic representation., bathymetry - bathymetry is the study of the marine depths, of the third dimension of the lake or seabed., photogrammetry - Basically, it is a 3D coordinate measurement technique, which uses photographs or other remote sensing systems together with reference points., leveling - Leveling is the procedure by which it is determined: the gap between two (or more) existing physical facts and the relationship between one, theodolite - is a mechanical-optical measuring instrument used to obtain vertical and horizontal angles, cairns - A relatively permanent fixed marker used in surveying, such as a concrete block or steel plate.,

Topography concepts

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