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GB/T 25529-2010: Geographic information classification and coding rules
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Geographic information classification and coding rules
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Basic data | Standard ID | GB/T 25529-2010 (GB/T25529-2010) | | Description (Translated English) | Geographic information classification and coding rules | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Classification of International Standard | 07.040 | | Word Count Estimation | 29,287 | | Date of Issue | 2010-12-01 | | Date of Implementation | 2011-03-01 | | Quoted Standard | GB/T 12409-2009, GB/T 13923-2006 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 9, 2010 (No. 164 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the geographical information classification and coding rules, as well as a high geographic feature classification and code. This standard applies to a unified multi-source geographic information classification and coding organizations. | GB/T 25529-2010: Geographic information classification and coding rules---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Geographic information classification and coding rules
ICS 07.040
A75
National Standards of People's Republic of China
Geographic Information Classification and Coding Rules
Issued on. 2010-12-01
2011-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Classification and Coding Principle 2
5 geographic feature type classification 3
5.1 classification requirements 3
5.2 Classification System 3
5.3 3 categories and sub-categories
5.4 classes and class 4
5.5 5 subcategories
6 geographical elements Encoding Rules 5
7 code to use and expansion, the principle of subdivision 6
Use Code 6 7.1
7.2 Expansion feature class and its code segment rule 6
Appendix A (normative) geographic feature class upper classification and code 7
Annex B (informative) Examples of elements and attributes feature classification and coding rules and examples 22
References 24
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is a normative appendix Appendix A and Appendix B is an informative annex.
This standard by the National Standardization Technical Committee on Geographical Information (SAC/TC230) and focal points.
This standard was drafted. Macroeconomic Research Institute of National Development and Reform Commission, the Institute of Geographical Sciences and Natural Resources Research, the National
Home Basic Geographic Information Center, Development Research Center of China Geological Survey Bureau, the Chinese Academy of Surveying and Mapping, the State Information Center, Wuhan University,
China University of Geosciences, Wuhan Digital Technology Co., Ltd. to.
The main drafters of this standard. Zeng Lan, Caoyan Rong, Jianbang, Li Li, Dudao Sheng, Qiguo Yan, Su Shan dance, Li Haochuan, Lichao Ling, Li Jing North Korea,
LIU Xiu-guo, Lv Jianjun, Liu Fujiang, Yuguo Hong, Ma Li Guang, Wang Zhanhong, Jun.
Introduction
Geographic Information Classification and Coding rule is one of the basic criteria of geographic information sharing is carried out by multi-source geographic features and their attributes
Harmonized classification and coding organization to support cross-sectoral and cross-cutting, multi-source, multi-temporal, multi-scale basic standard geographic information integration and management.
The standard for our existing geographic information systems integration and information sharing needs of continuously updated from multiple sources of geographic information spatial view, based on both
Integration of multi-source geographic information needed for a unified classification and coding information, and maintain consolidated information classification and coding scheme can with the original letter
Data classification and coding of information systems consistent with the principles of the provisions of the rules of classification and coding of geographic features and attribute information.
Spatial integration of geographic information from meeting basic needs, the focus of this standard for geographic feature type classifications and coding rules and
Expansion method was uniform provisions, and by normative appendix (Appendix A) specifies the type of geographic features high classification (categories, Amon
Class, category and class) and code. Through informative appendix (Appendix B) of the Rules of classification and coding examples of geographic features and attributes will be described,
And provides examples.
Geographic Information Classification and Coding Rules
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 geographicinformation
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 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 geographicfeature
Expression and location on the planet associated with real-world phenomena.
[ISO 19125-2.2004]
3.4
Elements instance featureinstances
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 featuretypes
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."
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