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ISO 19162:2019

Current
Current

The latest, up-to-date edition.

Geographic information Well-known text representation of coordinate reference systems
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

07-11-2019

This document defines the structure and content of a text string implementation of the abstract model for coordinate reference systems described in ISO 19111. The string defines frequently needed types of coordinate reference systems and coordinate operations in a self-contained form that is easily readable by machines and by humans. The essence is its simplicity; as a consequence there are some constraints upon the more open content allowed in ISO 19111. To retain simplicity in the well-known text (WKT) description of coordinate reference systems and coordinate operations, the scope of this document excludes parameter grouping and pass-through coordinate operations. The text string provides a means for humans and machines to correctly and unambiguously interpret and utilise a coordinate reference system definition with look-ups or cross references only to define coordinate operation mathematics. A WKT string is not suitable for the storage of definitions of coordinate reference systems or coordinate operations because it omits metadata about the source of the data and may omit metadata about the applicability of the information.

DocumentType
Standard
Pages
113
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
DS/ISO 19162:2019 Identical
DS/ISO 19162:2019/Amd 1:2023 Identical
BS ISO 19162:2019 Identical
NEN-ISO 19162:2019 Identical
AS/NZS ISO 19162:2020 Identical
INCITS/ISO 19162:2019(2020) Identical

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