GB/T 20258.3-2019

Active

Data dictionary for fundamental geographic information features—Part 3：Scale of 1:25 000 1:50 000 1:100 000

基础地理信息要素数据字典第3部分：1:25 000 1:50 000 1:100 000 比例尺

Standard Type

GBT

ICS

07.040

CCS

A75

Status

Active

Issue Date

2019-03-25

Implementation

2019-10-01

Centralized Committee

自然资源部（测绘地理）

Issuing Authority

国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard defines a structured data dictionary for fundamental geographic information features at scales of 1:25,000, 1:50,000, and 1:100,000. It is applied in national surveying, mapping, and geographic information systems (GIS) to ensure consistent classification, coding, and attribute definitions for features like terrain, water systems, and transportation networks. The standard supports data exchange and interoperability among different mapping agencies and spatial data users in China.

Related Standards

GB/T 17159-2009 Geodetic terms GB/T 14912-2005 Specifications for computer-aided mapping of large-scale topographic maps GB/T 6962-2005 Aerial photographic specification for 1:500, 1:1000, 1:2000 scale topographic maps GB/T 19710-2005 Geographic Information-Metadata GB/T 19711-2005 Data model and data exchange format for navigable spatial database GB/Z 33451-2016 Geographic information—Spatial sampling and statistical inference GB/Z 34429-2017 Geographic information—Imagery and gridded data GB/Z 40524-2021 Spatialized integration model of thematic information

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.