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GB/T 37120-2018Rail transit geographic information data specification (English PDF)

轨道交通地理信息数据规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 28, 2018

Implementation date

December 28, 2018

Scope

GB/T 37120-2018 is the English-translated version of 轨道交通地理信息数据规范.

GB/T 37120-2018 specifies how geographic information data for rail transit, used across the planning, design, construction and operation of a line, are to be referenced, produced and managed.

It covers the coordinate system with its principles and requirements for conversion, the classification and coding of features, metadata, data production and updating, the organization and management of model data, data exchange and interoperability, and data quality with its inspection items and methods.

Annexes give a metadata data dictionary, an example of attribute collection for engineering feature models and the request parameters of the GetScene operation that returns 3D scenes.

It applies to the production, updating, management and application of rail transit geographic information data. It was issued on 28 December 2018 and has applied since 28 December 2018.

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Document preview — GB/T 37120-2018

National Standard of the People's Republic of China

ICS: 07.040
Classification: A 75

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 terms, definitions, abbreviations and codes
3.1 Terms and Definitions
3.2 Abbreviations
3.3 Code
4 coordinate system
4.1 Determination and Conversion Principle
4.2 Conversion Requirements
5 Feature classification and coding rules
5.1 Classification
5.2 Encoding Rules
6 Data description, production and update
6.1 Metadata
6.2 Data Production
6.3 Data Update
7 Data organization and management
7.1 Specification References and Extensions
7.2 Model Data Organization
7.3 Model Data Management
8 Data exchange and interoperability
8.1 Data Exchange
8.2 Interoperability
9 Data Quality
9.1 Specification Reference
9.2 Model data types and units of measure
9.3 Quality Inspection Project Division
9.4 Quality Inspection Method
Appendix A (Normative) Metadata Data Dictionary
Appendix B (informative) Engineering feature model attribute information collection example
Appendix C (Normative Appendix) 3D Scene Return Operation (GetScene) Request Parameters and Description

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the rail transit geographic information data coordinate system, element classification and coding rules, data description, production and update, data Requirements for organization and management, data exchange and interoperability, and data quality.

This standard applies to the production, update, management and application of rail transit geographic information data.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 17278 Digital Topographic Map Product Basic Requirements

GB/T 17798 Geospatial Data Exchange Format

GB/T 18316 digital surveying and mapping results quality inspection and acceptance

GB/T 19710 Geographic Information Metadata

GB/T 25529-2010 Geographic Information Classification and Coding Rules

GB/T 25597-2010 Geographic Information World Wide Web Map Service Interface

GB/T 30170 geographic information coordinate-based spatial reference

Basic provisions of GB/T 30319 basic geographic information database

CH/T 1012 Basic Geographic Information Digital Product Land Cover Map

CH/T 1013 Basic Geographic Information Digital Products Digital Image Topographic Map

CH/T 9017 3D Geographic Information Model Database Specification

3 Terms, definitions, abbreviations and codes

3.1 Terms and definitions

The following terms and definitions apply to this document.

3.1.1 Rail transit geographic information

Geographic information involved in the various stages of rail transit planning, design, construction, and operation.

3.1.2 Coordinate system

Describe the set of numeric rules that assign coordinates to points.

3.1.3 Feature

The abstraction of real world phenomena.

Note: Features can appear as types or instances. Use feature types or feature instances when expressing only one meaning.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 19710

Similar standards

GB/T 17943-2025|GB/T 18578-2025|GB/T 21740-2025|GB/T 28585-2025|GB/T 45522-2025|GB/T 45631-2025

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