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--- terminology [2018/10/09 16:23] – created allchin09
+++ terminology [2018/10/09 16:37] – allchin09
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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 ^
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 | 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|
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+| 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|