GB/T 25529-2010Geographic information classification and coding rules (English PDF)
地理信息分类与编码规则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 1, 2010
Implementation date
March 1, 2011
Scope
GB/T 25529-2010 is the English-translated version of 地理信息分类与编码规则.
GB/T 25529-2010 is the Chinese standard "Geographic information classification and coding rules". Its scope clause reads: This standard specifies the geographical information classification and coding rules, and Classification and codes for a high geographic feature class.
This standard is applicable to multi-source geographic information classification and organization and unified coding. Its clauses include terms and definitions.
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Document preview — GB/T 25529-2010
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
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Classification and Coding Principle
- 5 geographic feature type classification
- 5.1 classification requirements
- 5.2 Classification System
- 5.3 3 categories and sub-categories
- 5.4 classes and class
- 5.5 5 subcategories
- 6 geographical elements Encoding Rules
- 7 code to use and expansion, the principle of subdivision
- 7.2 Expansion feature class and its code segment rule
- Appendix A (normative) geographic feature class upper classification and code
- Annex B (informative) Examples of elements and attributes feature classification and coding rules and examples
- References
1 Scope
This standard specifies the geographical information classification and coding rules, and Classification and codes for a high geographic feature class.
This standard is applicable to multi-source geographic information classification and organization and unified coding.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 12409-2009 geographic grid
GB/T 13923-2006 fundamental geographic information features and classification codes
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Geographic information
And the location on the planet, directly or indirectly related to the phenomenon of information, also known as geospatial information (geo-spatialinformation).
[ISO 19101.2002]
3.2 Feature
Abstraction of real world phenomena.
Note. The feature can appear in the form of the type or instance. When the expression of only one meaning, you should use the feature type or feature instance.
[ISO 19101.2002]
3.3 Geographic features
Expression and location on the planet associated with real-world phenomena.
[ISO 19125-2.2004]
3.4 Elements instance
Geospatial object has a single geographic location, is a specific unit of geographic features, but also corresponds to the minimum feature types form a single
Yuan, and you can use specific symbols expression patterns.
For example. "Beijing-Kowloon Railway" is a feature instance, a "railroad" feature class in a specific element unit.
3.5 Feature type
Collection types with similar characteristics of real-world geographic objects that have the same attributes and the same geometrical characteristics of feature instances.
A feature type is determined by all the constituent elements of the type metaclass instance, referred to as "feature classes."
GB/T 42056-2022 | GB/T 41452-2022 | GB/T 35766-2017 | GB/T 47424-2026 | GB/T 25530-2010 | GB/T 25528-2010 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 43826-2024Forestry and grassland internet of things - Assignment rule of object identifier
- GB/T 42528-2023Technical specification for spatio-temporal big data
- GB/T 42810-2023Specification for classification and coding of port geographic feature
- GB/T 40765-2021Ontology model for fundamental geographic information
- GB/T 37120-2018Rail transit geographic information data specification
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