Gravity-related height


Unit: metre

Data source: EPSG

Information source: ISO 19111 "Geographical information - Spatial referencing by coordinates".

Revision date: 2016-02-15

Orientation: up

Abbreviation: z

Axis order: 3..

Remarks: Used in a 1D vertical coordinate system.

Coordinate system: Cartesian 3D CS (gravity-related Topocentric). Axes: plant E, Plant N, height (x,y,z). Orientations: east, north, up. UoM: m.

Description: Height influenced by the Earth's gravity field. In particular, orthometric height or normal height which are both approximations of the distance of a point above sea level. Positive upwards.

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