ISO 19127-2019 PDF

Full title and description

ISO 19127:2019 — Geographic information — Geodetic register. This International Standard defines the management and operational rules for the ISO geodetic register and identifies the data elements required in that register, aligned with spatial‑referencing and registration schemas used across the ISO 19100 family of geographic information standards.

Abstract

ISO 19127:2019 specifies the purpose, management and operations of the ISO geodetic register and identifies the data elements required within the register. It aligns the register data elements with ISO 19111 (spatial referencing by coordinates) and with the core schema defined in ISO 19135‑1 for registration procedures, providing a consistent model for recording geodetic codes, coordinate reference system metadata, datum and related parameters.

General information

• Status: Published
• Publication date: 13 February 2019 (2019-02)
• Publisher: International Organization for Standardization (ISO)
• ICS / categories: 07.040 (Astronomy. Geodesy. Geography); 35.240.70 (IT applications in science)
• Edition / version: Edition 1 (2019)
• Number of pages: 41

Key bibliographic and lifecycle details above are taken from the ISO record for ISO 19127:2019.

Scope

This standard defines the structure, required data elements and operational management of the geodetic register maintained under the ISO framework. It specifies which fields and metadata are required to record geodetic information (for example identifiers for coordinate reference systems, datums and transformation parameters), how register entries relate to ISO 19111 coordinate‑referencing concepts, and how registration/maintenance processes align with the core schema of ISO 19135‑1. The scope is intended to support consistent international recording and exchange of geodetic codes and parameters.

Key topics and requirements

• Definition and purpose of the ISO geodetic register (what is recorded and why).
• Required data elements for register entries, mapped to ISO 19111 concepts (CRS identifiers, datum, coordinate operations, etc.).
• Registration and maintenance operations that align with the core schema of ISO 19135‑1 (procedures for creating, updating and versioning register entries).
• Identification of mandatory versus optional fields for consistent interchange and discovery of geodetic metadata.
• Governance expectations (role of registration/maintenance authority or registration agency for the geodetic register).

The list above summarizes the principal technical requirements and topics specified by the standard.

Typical use and users

Users include national mapping and geodetic agencies, geospatial data custodians, GIS software developers, metadata and standards implementers, and any organisation that needs authoritative, registered descriptions of coordinate reference systems, datums and geodetic parameters. Typical uses are publishing and maintaining canonical CRS identifiers and parameters, ensuring interoperability between datasets, and supporting coordinate transformations and precise positioning workflows.

Related standards

ISO 19127:2019 is part of the ISO 19100 series (geographic information). Key related standards include ISO 19111 (spatial referencing / coordinate reference system model), ISO 19135‑1 (procedures and core schema for registration), and the earlier ISO/TS 19127:2005 (withdrawn / superseded by ISO 19127:2019). ISO/TC 211 is the responsible technical committee for these standards.

Keywords

geodetic register, geodetic codes, geodetic parameters, coordinate reference system (CRS), datum, coordinate operations, registration authority, ISO 19111, ISO 19135

FAQ

Q: What is this standard?

A: ISO 19127:2019 is an International Standard that defines the management, required data elements and operational rules for the ISO geodetic register — the authoritative registry model for geodetic codes and parameters used in geographic information.

Q: What does it cover?

A: It covers the structure and content of register entries (identifiers and metadata for CRSs, datums and related parameters), required versus optional fields, and how register entries are to be managed and maintained in accordance with ISO 19111 and ISO 19135‑1 principles.

Q: Who typically uses it?

A: National geodetic and mapping agencies, GIS and positioning software vendors, data custodians and standards implementers who need authoritative descriptions of coordinate reference systems and geodetic parameters for interoperability.

Q: Is it current or superseded?

A: ISO 19127:2019 is the published (current) International Standard replacing ISO/TS 19127:2005. The ISO metadata record indicates the standard is maintained under ISO/TC 211 processes and subject to the normal ISO review cycle. Users should check the ISO catalogue or their national standards body for any amendments or revisions published after 2019.

Q: Is it part of a series?

A: Yes — it is part of the ISO 191xx family for geographic information (ISO 19100 series) and is closely linked to ISO 19111 (spatial referencing by coordinates) and ISO 19135 (registration procedures/core schema).

Q: What are the key keywords?

A: Geodetic register; geodetic codes; CRS; datum; coordinate operations; registration; metadata; ISO 19111; ISO 19135.