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Homepage>BS Standards>35 INFORMATION TECHNOLOGY. OFFICE MACHINES>35.240 Applications of information technology>35.240.70 IT applications in science>BS ISO 19162:2019 Geographic information. Well-known text representation of coordinate reference systems
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BS ISO 19162:2019 Geographic information. Well-known text representation of coordinate reference systems

BS ISO 19162:2019

Geographic information. Well-known text representation of coordinate reference systems

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Standard number:BS ISO 19162:2019
Pages:124
Released:2019-07-18
ISBN:978 0 539 01787 8
Status:Standard
DESCRIPTION

BS ISO 19162:2019


This standard BS ISO 19162:2019 Geographic information. Well-known text representation of coordinate reference systems is classified in these ICS categories:
  • 35.240.70 IT applications in science

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.