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terminology

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terminology [2018/10/09 05:23] allchin09 created |
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====== Terminology ====== | ====== Terminology ====== | ||

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

^ Term ^ Comment ^ | ^ 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 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 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.txt · Last modified: 2018/10/09 06:29 by allchin09