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GB/T 37118-2018: Specification for geo-entity spatial data
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| GB/T 37118-2018 | English | 279 |
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Specification for geo-entity spatial data
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GB/T 37118-2018
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Basic data | Standard ID | GB/T 37118-2018 (GB/T37118-2018) | | Description (Translated English) | Specification for geo-entity spatial data | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Classification of International Standard | 07.040 | | Word Count Estimation | 14,147 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2018-12-28 | | Regulation (derived from) | National Standard Announcement No. 17 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37118-2018: Specification for geo-entity spatial data---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.
Specification for geo--entity spatial data
ICS 07.040
A75
National Standards of People's Republic of China
Geographical entity spatial data specification
Published on.2018-12-28
2018-12-28 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Concept Model 1
5 Data Organization 2
6 Geometric expression basic rules 4
7 Geographical Entity Data Content 5
Appendix A (Normative) Data Scale, Entity Type, and Geometry Type Code 7
Appendix B (Normative) Geographical Entity Identification Code Encoding Rules 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Ministry of Natural Resources of the People's Republic of China
This standard is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230).
This standard was drafted. National Basic Geographic Information Center, Nanjing Normal University, Wuda Gio Information Technology Co., Ltd., Beijing Jiwei Number
Source Information Technology Co., Ltd., Zhejiang Institute of Surveying and Mapping Science and Technology, Heilongjiang Basic Geographic Information Center, Shaanxi Basic Geographic Information Center,
Beijing Surveying and Mapping Design Institute.
The main drafters of this standard. Jiang Jie, Huang Wei, Sun Yizhong, Wang Guoliang, Cha Zhuhua, Zhang Hongping, Chen Shaoqin, Zhang Junhui, Du Xiao, Zheng Yi, Zhou Qi,
Tang Dejun, Shao Yuanzheng, Lin Fuming, Guo Yong, Luo Xiaoyan.
Geographical entity spatial data specification
1 Scope
This standard specifies the conceptual model of geographic entity spatial data, data organization, basic rules of geometric expression and geographic entity data content.
This standard applies to the acquisition, processing and application services of spatial data in geographic entities.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 917 highway route identification rules and national road number
GB/T 2260 Administrative division code of the People's Republic of China
GB/T 2659 world countries and regions name code
GB/T 10114 County-level administrative division code compilation rules
GB/T 13923 basic geographic information element classification and code
GB 18030 Information Technology Chinese Coded Character Set
GB/T 18521 Place name classification and category code preparation rules
GB/T 25344 People's Republic of China railway line name code
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Geographic entity geo-entity
An independent natural or artificial feature with spatial location and common attributes in the real world.
3.2
Primitive primitive
A geometric object that represents a single, connected, and common attribute element within a space.
Note. Generally, it is point, line, surface, and body.
4 conceptual model
The conceptual model of geographic entity spatial data is shown in Figure 1, which is described as follows.
a) The primitive is the constituent unit of the geographic entity and is uniquely identified by the element identification code (ElemID). The information classification code of the primitive represents
The relationship between the basic geographic information elements and the implementation of GB/T 13923.
b) A geographic entity consists of one or more primitives, uniquely identified by an EntiID. One primitive can belong to one
One or more geographic entities.
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