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GB/T 40849-2021 English PDF

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GB/T 40849-2021: Data contents for holo-graphic location-based map
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Basic data

Standard ID GB/T 40849-2021 (GB/T40849-2021)
Description (Translated English) Data contents for holo-graphic location-based map
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A75
Word Count Estimation 26,295
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 40849-2021: Data contents for holo-graphic location-based map

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Data contents for holo-graphic location-based map ICS 35:24:070 A75 National Standards of People's Republic of China Holographic location map data content Published on 2021-12-31 2021-12-31 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Holographic location map data requirements 3 4:1 Data Composition 3 4:2 Location Information 3 4:3 Position Frame Data 3 4:4 Metadata 3 4:5 Location information positioning method 3 5 Positional expression 3 5:1 Position Expression Form and Classification 3 5:2 Coordinate subtype 4 5:3 Geographic grid subtypes 5 5:4 Place name subtype 5 5:5 Address Subtype 5 5:6 Postal Code Subtype 6 5:7 Landline Number Subtype 7 5:8 Fixed IP Subtype 7 5:9 Linear Reference Subtype 7 6 Position frame data 7 6:1 Classification of Location Framework Data 7 6:1:1 Overview 7 6:1:2 2D map and 3D map data 8 6:1:3 Image map data 8 6:1:4 Live image data 8 6:1:5 Point cloud data 9 6:2 Positioning method 9 6:3 Location Framework Data Conversion and Integration 9 Appendix A (Informative Appendix) Information Positioning Example 10 Reference 21

foreword

This standard was drafted in accordance with the provisions of GB/T 1:1-2009: Please note that some content of this document may be patented: The issuing authority of this document assumes no responsibility for identifying these patents: This standard is 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 by: Wuhan University, Institute of Surveying and Mapping Standardization, Ministry of Natural Resources, National Basic Geographic Information Center, Beijing Baidu Net News Technology Co:, Ltd:, Tongji University, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing NavInfo Technology Co:, Ltd: The main drafters of this standard: Li Lin, Su Fei, Weng Min, Song Xiaoyan, Li Hongli, Zhang Qiuyi, Liu Chun, Zheng Xinyan, Qi Qingwen, Huang Dong, Zhang Kun, Zhu Haihong, Ying Shen:

Introduction

The holographic location map is a data organization form that uses the map as the information carrier and collects various information according to the spatial location: in the ubiquitous ring Under the circumstance, there are various sources of information and different forms of expression: In order to effectively and reasonably integrate the information with location reference, and Placed on an information carrier with consistent spatial characteristics, it is necessary to clarify the position expression form and the position frame that can locate the position on the map space: shelf: To this end, by extracting the representation of location information and the universal features of the map space, the various types of information contained in the holographic location map are summarized into locations: information and the location frame for locating this location information (that is, the map background space for spatially locating the location information), forming a location-based association It can effectively integrate various existing geospatial information, sensor network information, social network information, spontaneous It can link and collect information such as management information and real-time public service information, and provide support for the universal intelligent service of location information: Holographic location map data content

1 Scope

This standard specifies the data requirements, location representation and location frame data content of holographic location maps: This standard applies to the organization and production of holographic location map data:

2 Normative references

The following documents are essential for the application of this document: For dated references, only the dated version applies to this article For undated references, the latest edition (including all amendments) applies to this document: GB/T 19710-2005 Geographic Information Metadata GB 22021 National Geodetic Basic Technical Regulations GB/T 33175 National Basic Scale Map 1:5001:10001:2000 Orthophoto Map GB/T 33178 National Basic Scale Map 1:2500001:5000001:1000000 Orthophoto Map GB/T 33179 National Basic Scale Map 1:250001:500001:100000 Orthophoto Map GB/T 33182 National Basic Scale Map 1:50001:10000 Orthophoto Map GB/T 35628-2017 Real Map Data Products GB/T 35634 Public Service Electronic Map Tile Data Specification CH/T 8024 Airborne Lidar Data Acquisition Technical Specification CH/T 9015 Specification for 3D Geographic Information Model Data Products CH/T 9016 Specification for the production of three-dimensional geographic information models CH/T 9017 Specification for 3D Geographic Information Model Database

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 Holographic location map holo-graphiclocation-basedmap A map organization form that associates all kinds of information with direct and indirect location reference or location marker objects by location: Note: It provides support for the collection and fusion of information on the location through the location index oriented to the map space: 3:2 location A point, or the geometric space that an object or person may occupy: 3:3 direct location directlocation A location described by a set of coordinates in a coordinate reference system: 3:4 Indirectlocation A location that cannot be described by a set of coordinates in a coordinate reference system:

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