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GB/T 21740-2025 Active National standards

GB/T 21740-2025 Specifications for urban database construction of fundamental geographic information

GB/T 21740-2025 Specifications for urban database construction of fundamental geographic information

Publish Date: 2025-05-30 Implement Date: 2025-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21740-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Surveying and mapping
ICS Name: Astronomy, geodesy, and geography
Publish Date: 2025-05-30
Implement Date: 2025-09-01
Pages: 28 pages

Scope

This document specifies the general principles, data content, and quality requirements for the construction of urban basic geographic information databases, as well as the technical requirements for data organization, construction process, database design, database creation, development and integration, testing and acceptance, and operation and maintenance.
This document is applicable to the construction of urban basic geographic information databases.

Development Information

Word Count: 38 Thousand words Pages: 28 pages

Replace the following standards

GB/T 21740-2008 Specifications for urban database construction of fundamental geographic information

Referenced Standards

GB/T 9361-2011 Safety requirements for computer field GB/T 13923-1992 Classify and codes for the national land information GB/T 13923-2006 Specifications for feature classification and codes of fundamental geographic information GB/T 13923-2022 Classification and codes for fundamental geographic information feature GB 17859-1999 Classified criteria for security protection of computer information system GB/T 18521-2001 Rules for classification of geographical names and code representation GB/T 20258.1-2007 Data dictionary for fundamental geographic information features—Part 1:Data dictionary for fundamental geographic information features of 1∶500 1∶1 000 1∶2 000 scale GB/T 20258.1-2019 Data dictionary for fundamental geographic information features—Part 1:Scale of 1∶500 1∶1 000 1∶2 000 GB/T 20258.2-2006 Data dictionary for fundamental geographic information features—Part 2:Data dictionary for fundamental geographic information features of 1:5 000 1:10 000 scale GB/T 20258.2-2019 Data dictionary for fundamental geographic information features—Part 2:Scale of 1∶5 000 1∶10 000 GB/T 20258.3-2006 Data dictionary for fundamental geographic information features—Part 3:data dictionary for fundamental geographic information features of 1∶25 000 1∶50 000 1∶100 000 scale GB/T 20258.3-2019 Data dictionary for fundamental geographic information features—Part 3:Scale of 1∶25 000 1∶50 000 1∶100 000 GB/T 33453-2016 Specifications for database construction of fundamental geographic information GB/T 39608-2020 Metadata for digital products of fundamental geographic information GB 50174-2017 Code for design of data centers CH/T 9017-2012 Three-Dimensional Geographic Information Model Database Specification

Related Standards

GB 12340-1990 Replaced

GB 12340-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric office operation

Publish Date: 1990-06-04
GB 12341-1990 Replaced

GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work

Publish Date: 1990-06-04
GB/T 13605-1992 Abolished

GB/T 13605-1992 Coordinatograph

Publish Date: 1992-08-19
GB/T 13977-1992 Replaced

GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps

Publish Date: 1992-12-17
GB/T 13989-1992 Replaced

GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps

Publish Date: 1992-12-17
GB/T 13990-1992 Replaced

GB/T 13990-1992 Specifications for aerophotogrammetric office operation 1:5000, 1:10000 topographic maps

Publish Date: 1992-12-17
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