Definition of Datums. Meaning of Datums. Synonyms of Datums

Here you will find one or more explanations in English for the word Datums. Also in the bottom left of the page several parts of wikipedia pages related to the word Datums and, of course, Datums synonyms and on the right images related to the word Datums.

Definition of Datums

Datum
Datum Da"tum, n.; pl. Data. [L. See 2d Date.] 1. Something given or admitted; a fact or principle granted; that upon which an inference or an argument is based; -- used chiefly in the plural. Any writer, therefore, who . . . furnishes us with data sufficient to determine the time in which he wrote. --Priestley. 2. pl. (Math.) The quantities or relations which are assumed to be given in any problem. Datum line (Surv.), the horizontal or base line, from which the heights of points are reckoned or measured, as in the plan of a railway, etc.

Meaning of Datums from wikipedia

- Ellipsoid-based datums such as WGS 84, GRS80 or NAD83 use a theoretical surface that may differ significantly from the geoid. Common types of vertical datums include:...
- A datum reference or just datum (plural: datums) is some important part of an object—such as a point, line, plane, hole, set of holes, or pair of surfaces—that...
- Look up datum in Wiktionary, the free dictionary. Datum is, from its Latin origin, a singular form of "data", and may refer to a single item of data....
- two different datums could reach kilometers if the point is far from the origin of one or both datums. This phenomenon is called datum shift or, more...
- standards, also includes a choice of geodetic datum (including an Earth ellipsoid), as different datums will yield different latitude and longitude values...
- 27 December 2021. Retrieved 21 December 2021. "Newlyn Ordnance and Other Datums". 8 June 2021. Irish Grid Reference System Archived 2008-06-14 at the Wayback...
- Hydrographic Service, use the LAT to define chart datums. One advantage of using LAT for chart datums is that all predicted tidal heights must then be...
- referenced to the same geodetic datum. A geographic coordinate transformation is a translation among different geodetic datums. Both geographic coordinate...
- American Datums are in use for making lateral or "horizontal" measurements: the North American Datum of 1927 (NAD 27) and the North American Datum of 1983...
- Administration. "Track Our Progress - New Datums - National Geodetic Survey". geodesy.noaa.gov. Retrieved 2023-07-10. Tidal Datums, produced for NOAA by its National...