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terminology

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Terminology

This terminology is generally sourced from Appendix A of 'Datums and Map Projections' (Iliffe & Lott 2008) based off the ISO 19111 terms.

Term Comment
Coordinate A sequence of n numbers designating the position of a point in n-dimensional space
Coordinate conversion Change of coordinates from one CRS to another in which the two CRSs are based on the same datum
Coordinate operation Change of coordinates with a 1-to-1 relationship, from one CRS to another. Comprised of coordinate conversion and coordinate transformation processes
Coordinate reference system (CRS) A coordinate system that through a datum, has defined position, scale and orientation with respect to an object (usually the Earth)
Coordinate system Set of rules defining how coordinates are assigned to points
Coordinate transformation Change of coordinates from one CRS to another, where the CRSs datums differ
Datum Defines the position of the origin, the scale and the orientation of the axis of a coordinate system with respect to an object
terminology.1539063440.txt.gz · Last modified: 2018/10/09 05:37 by allchin09