ISO 19162:2015

Geographic information — Well-known text representation of coordinate reference systems ISO 19162:2015

Publication date:   Aug 14, 2015

95.99 Withdrawal of Standard   Jul 11, 2019

General information

95.99 Withdrawal of Standard   Jul 11, 2019

ISO

ISO/TC 211 Geographic information/Geomatics

International Standard

35.240.70   IT applications in science

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Scope

ISO 19162:2015 defines the structure and content of a text string implementation of the abstract model for coordinate reference systems described in ISO 19111:2007 and ISO 19111-2:2009. 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 19111:2007. To retain simplicity in the well-known text (WKT) description of coordinate reference systems and coordinate operations, the scope of this International Standard 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. Because it omits metadata about the source of the data and may omit metadata about the applicability of the information, the WKT string is not suitable for the storage of definitions of coordinate reference systems or coordinate operations.

Life cycle

NOW

WITHDRAWN
ISO 19162:2015
95.99 Withdrawal of Standard
Jul 11, 2019

REVISED BY

PUBLISHED
ISO 19162:2019