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Levelling

Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. It is widely used in geodesy and cartography to measure vertical position with respect to a vertical datum, and in construction to measure height…

Art, Trigonometric levelling & Optical levelling

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Trigonometric levelling

Total stationVertical, or zenith angleTrigonometric functionsFeetCurvature of the Earth
9 related topics

Optical levelling

Optical levelCrosshairsStadiaLevel staffTripod
6 related topics

Levelling loops and gravity variations

Earth's gravityGeopotentialBenchmarks
3 related topics

Instruments

Dumpy levelWilliam GravattGrading
3 related topics

Topics to explore

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Overview

Optical levelling

Trigonometric levelling

Refraction and curvature

Levelling loops and gravity variations

Instruments

Advanced semantic analysis

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Map overview Semantic statistics

Levelling

Nodes39
Edges38
Triples31
Avg. degree1.95
Density0.051282
Components1

How this topic connects Entity context

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Levelling

Top relations

related to Classical instruments · 9
Levelling → Dover, Dumpy, English, London, More, Precise, The, They, William Gravatt
related to Procedure · 7
Levelling → However, In, It, Set, The, This, When
related to Trigonometric levelling · 6
Levelling → At, Earth, Ex, Point, The, This
related to Laser level · 4
Levelling → An, Laser, The, This
related to External links · 2
Levelling → Learning-site, USALandSurveyor Differential
related to Optical levelling · 2
Levelling → Optical, The
see also · 1
Levelling → Astrogeodetic

Important terminology Word statistics

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Important terminology

level instrument used rod point height elevation leveling horizontal sight refraction line also telescope surveyor reading staff distances vertical datum

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Levellingrelated to Classical instrumentsThe0.60section
Levellingrelated to Classical instrumentsEnglish0.60section
Levellingrelated to Classical instrumentsWilliam Gravatt0.60section
Levellingrelated to Classical instrumentsLondon0.60section
Levellingrelated to Classical instrumentsDover0.60section
Levellingrelated to Classical instrumentsMore0.60section
Levellingrelated to Classical instrumentsDumpy0.60section
Levellingrelated to Classical instrumentsPrecise0.60section
Levellingrelated to Classical instrumentsThey0.60section
Levellingrelated to External linksUSALandSurveyor Differential0.60section
Levellingrelated to External linksLearning-site0.60section
Levellingrelated to Laser levelLaser0.60section

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