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GB/T 39608-2020: Metadata for digital products of fundamental geographic information
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| GB/T 39608-2020 | English | 579 |
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Metadata for digital products of fundamental geographic information
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GB/T 39608-2020
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Basic data | Standard ID | GB/T 39608-2020 (GB/T39608-2020) | | Description (Translated English) | Metadata for digital products of fundamental geographic information | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A77 | | Classification of International Standard | 07.040 | | Word Count Estimation | 31,363 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2020-12-14 | | Quoted Standard | GB/T 13989 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the basic requirements and metadata content of basic geographic information digital achievements metadata. This standard applies to the production, construction, distribution and application of digital line drawing, digital orthophoto, digital elevation model, and digital surface model. Other digital achievements of geographic information can be used as reference. | GB/T 39608-2020: Metadata for digital products of fundamental geographic information---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.
(Metadata of digital achievements in basic geographic information)
ICS 07:040
A77
National Standards of People's Republic of China
Metadata of digital achievements in basic geographic information
2020-12-14 release
2020-12-14 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Basic requirements 1
5 Metadata content 2
Appendix A (Normative Appendix) Metadata Content 3
Appendix B (informative appendix) Digital line graph (DLG) metadata example 16
Appendix C (informative appendix) Digital orthophoto map (DOM) metadata example 19
Appendix D (informative appendix) Digital elevation model (DEM) metadata example 22
Appendix E (Informative Appendix) Digital Surface Model (DSM) Metadata Example 25
Reference 28
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):
Drafting organizations of this standard: Standardization Institute of Surveying and Mapping, Ministry of Natural Resources, National Basic Geographic Information Center, Zhejiang Province Surveying and Mapping Quality Supervision and Inspection
Inspection station, Wuhan University:
The main drafters of this standard: Guo Yufang, Yin Xiaoqing, Zhang Ying, Ge Zhonghua, Zhou Xu, Ren Fu, Song Yaodong, Wang Jianfeng:
Metadata of digital achievements in basic geographic information
1 Scope
This standard specifies the basic requirements and metadata content of basic geographic information digital achievements metadata:
This standard is applicable to the production, database construction, distribution and application of digital line drawing, digital orthophotograph, digital elevation model, and digital surface model:
Use, other geographic information digital results can be used as reference:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 13989 National Basic Scale Topographic Map Framing and Numbering
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
Digital product
According to a certain data organization, the results are expressed and stored in digital form:
3:2
Fundamental Geographic Information Fundamental Geographic Information
Reflecting the natural and human features of the earth’s surface water system, residential areas and building facilities, transportation, pipelines, realms and political districts, landforms, vegetation and soil quality
The basic information of the location, form and attribute of the element, as well as place name and geospatial reference information:
Note: It is mainly represented by digital line drawing, digital orthophoto, digital elevation model, digital surface model, etc:
3:3
Metadata
Data about data: That is, information such as data identification, coverage, quality, spatial and temporal patterns, spatial reference system and distribution:
[GB/T 19710-2005, definition 4:5]
4 Basic requirements
4:1 The content of basic geographic information digital achievement metadata should include the identification information, spatial reference information, production information, quality information and
Distribute information: details as follows:
a) Identification information: the basic information of the data set, as well as information indicating its spatial scope and confidentiality level;
b) Spatial reference information: information about the method used by the data set to represent spatial information;
c) Production information: information such as the data source, producer, production time, and process methods used in the data set;
d) Quality information: quality evaluation information such as the accuracy, completeness, and connection of the data set;
e) Distribution information: relevant information of the data set provider:
4:2 Metadata files should be recorded in units of map sheets, administrative areas or other production and distribution units: Data flag of metadata file
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