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GB 21139-2007: Basic requirements for standard data of fundamental geographic information
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Basic requirements for standard data of fundamental geographic information
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GB 21139-2007
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Basic data | Standard ID | GB 21139-2007 (GB21139-2007) | | Description (Translated English) | Basic requirements for standard data of fundamental geographic information | | Sector / Industry | National Standard | | Classification of Chinese Standard | A75 | | Classification of International Standard | 07.040 | | Word Count Estimation | 8,890 | | Date of Issue | 2007-08-30 | | Date of Implementation | 2008-03-01 | | Regulation (derived from) | China Announcement of Newly Approved National Standards No. 11 of 2007 (total 111) | | 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 Chinese standard provides the basic data requirements the mathematical basis, data content, production processes and data identified four aspects of basic geographic information standards. Basic geographic information standards applicable to the production of data, identification and use. | GB 21139-2007: Basic requirements for standard data 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.
Basic requirements for standard data of fundamental geographic information
ICS 07.040
A75
National Standards of People's Republic of China
Basic geographic information data standard basic provisions
Posted 2007-08-30
2008-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 mathematical foundations of claim 1
5 requires the data content of 2
Claim 6 of the production process 3
7 data identified in claim 3
Foreword
All the technical contents of this standard is mandatory.
This standard is proposed and managed by the State Bureau of Surveying and Mapping.
This standard was drafted. the standardization of China Institute of Surveying and Mapping Institute, National Mapping Bureau, Beijing Municipal Design and Research Institute of Surveying and Mapping, State
Home Basic Geographic Information Center, Research and Design Institute to build a comprehensive survey, National Mapping Product Quality Supervision and Testing Center, China Land Surveying
Planning Institute, Zhejiang Bureau of Surveying and Mapping and the Nanjing Institute of Surveying and Mapping Survey.
The main drafters of this standard. Li fame, Xiao year, India Jie, Chen Cho, Li Li, Wang Dan, Wei Zeng Yan, Xu Jianxin, Chenshao Qin SURVEYING AND
Chu Wei Zheng.
This standard is the first release.
Introduction
In order to implement the provisions of the laws and regulations to protect the geographical information platform and related information system reliability and normative promote information
Sharing and integration, safeguarding the interests of basic geographic information data producers and users of the standard is formulated.
Basic geographic information data standard basic provisions
1 Scope
This standard mathematical basis, data content, production process and data identified four aspects of the provisions of the standard basic basic geographic information data
Claim.
This standard applies to the production of basic geographic information data standards, identification and use.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 13016-1991 standard system preparation principles and requirements
GB/T 13989 national basic scale topographic maps and numbering
GB/T 20257.1 national basic scale map Schema Part 1. 1.500 1.1000 1.2000 Topographical Map
GB/T 13923 land information classification and code
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
As a unified framework for spatial orientation and spatial analysis of GIS data, which reflect and describe the Earth's surface measurement control
Point system, water, and residential facilities, transportation, pipeline, state and administrative region, topography, vegetation and soil, cadastral, place names and other related to the natural and social
And other factors of location, shape and attribute information.
3.2
Within a certain range as a basis for other standards and widespread use, it has broad significance criteria.
[GB/T 13016-1991,1.7]
3.3
To ensure the applicability of the product, the product must meet some or all of the requirements established by the standard. Its scope includes. different specifications,
Technical performance, test methods, inspection rules, packaging, storage, and transportation.
[GB/T 13016-1991,1.9]
4 mathematical basis of the requirements
4.1 plane coordinate system should be used to coordinate a unified state; independent coordinate system when strictly necessary, can be legally approved.
4.2 elevation that should be used or the 1985 National Height Datum 1956 elevation-based Yellow Sea; really necessary, can be built with the National Height Datum
Establishment of an independent elevation line contact. Depth reference should theoretical lowest ebb face.
4.3 scale series should be. 1.500,1.1000,1.2000,1.5000,1.10000,1.25000,1.50000,
1.100000,1.250000,1.500000,1.1000000.
4.4 map projection should be. 1000000 uses an isometric projection Conformal Conic; 1.25000 ~ 1.500000 Gauss - g
Lvge projection by 6 ° zoning; 1.500 ~ 1.10 000 Gauss - Kruger projection when, by 3 ° zoning, indeed necessary, by 1.5 ° zoning.
4.5 In terms of map sheet as a unit, 1.500 ~ 1.2000 subdivision and numbered GB/T 20257.1 execution; 5000 ~ 1000000
Framing and numbered GB/T 13989 execution.
5 requires the data content
5.1 Overview
Basic geographic information data must be in a standard 5.2 to 5.13 of a combination of one or more, and should adopt national standards or mapping industry
Standards established metadata.
5.2 measurement and control point data
Measurement and control point data should include flat-control point, the control point elevation, astronomical point of gravity point, satellite positioning and other control point measurement control
Position of the point, and the point of the property in mind.
Wherein the horizontal control points include the origin of the earth, one, two, three, four, etc. triangulation point, one, two, three, four, etc. traverse points; height control points include water
Quasi origin, one, two, three, four leveling points; astronomical astronomy main points include points, one, two, three, four and so on astronomical points; gravity points include a reference point, the basic
Point, first, second gravity point, encrypted point; GPS control points include AA level (continuous operation station), A, B, C, D, E grade point; other measurements
Control points include city level survey control points, such as control points.
5.3 River Data
River data shall include rivers, canals, lakes, reservoirs, marine elements, location and other attributes water system and water elements and ancillary facilities.
5.4 residential facilities and data
Residential and facilities data should include residential, and industrial facilities, agriculture and its facilities, public services and facilities, historical sites, were
Teaching position and property facilities, scientific observation stations and other buildings and facilities.
5.5 Traffic data
Traffic data should include rail, intercity highways, urban roads, rural roads, road structures and ancillary facilities, water facilities, waterways, air
Location and transportation facilities and other properties of transport facilities.
5.6 Data Pipeline
Line data should include transmission lines, communication lines, oil (gas and water) transport position and attribute the main conduit and the city line. Wherein 1.2000
In small-scale urban pipeline can contain data, 1.100000 small scale power lines can not contain data.
5.7 State and administrative region data
State and district data should include political borders, pending border and domestic levels of administrative division boundaries (provincial-level administrative region, prefecture-level administrative region, county line
Administrative Region and township administrative) and other regional boundaries (village community, community special area and nature reserve boundaries, etc.) the location and attributes.
5.8 topography data
The data should include topography contours, spot heights annotation, digital elevation models, contours waters, water bet record points to the natural landscape and artificial
The location and appearance properties.
5.9 Vegetation and soil data
Vegetation data should include the location and properties of natural and artificial vegetation. Soil data should include sand, desert, saline, bare land, desert
Tundra and the location and attributes.
5.10 Names Data
Geographical names data should include the name of the natural and human geographical entity, location, and attributes.
5.11 digital orthophoto data
Digital orthophoto data is the result of radiometric and geometric correction, and image processing to correct projection difference; full color image can be
Or color, and it can also be multi-spectral, sometimes attached to the main residential areas, places, and state and other vector data.
5.12 Cadastral Survey data
Cadastral Survey data should include cadastral (sub) district boundary line, boundary points and other important landmarks as well as the location of the facility is located contains land
Property owners and land users or class information and the like. 1.2000 small scale may be free of cadastral survey data.
5.13 Other data
Important GIS data and mapping administration department of the State according to the law published in accordance with the law of other organizations Surveying Geomatics
data.
Production process of claim 6,
6.1 should be based on the full design document, format specifications, and approval of the project approved by the competent authorities. The project design document should include the source, destination,
Work content, data collection and analysis of use, route and process technology, the standard adopted by submission of the results and the main technical indicators, quality
Safeguards and organize the implementation of programs.
6.2 The use of information and data sources should meet the design requirements of the book, there are national standards, industry standards or local standards should be consistent with the corresponding
standard.
6.3 technical methods used in the production process should meet the design document. Among them, the basic standards and product standards used should comply
Relevant national standards. Clearly required method of operation should follow the relevant regulations.
6.4 Quality Control procedure should be strictly enforced check, final inspection and acceptance system, design and other quality control requirements specified in the letter.
6.5 QA completed by the production unit, and acceptance by the competent department of project implementation organization or commission related units.
6.6 equipment used in verification or calibration should be carried out in accordance with relevant state regulations.
7 data requirements identified
7.1 standard basic geographic information data must be identified in accordance with the requirements of 7.2 to 7.5.
7.2 data found to be recognized by the unit should provide data production unit corresponding mapping qualification documents, data design document production, data
Documents signed by a registered surveyor and approved in accordance with the requirements of 6.5 of acceptance of the complete document.
7.3 origin of the earth, one or two horizontal control point data, leveling origin, one or two standard point data astronomical point data, gravity data points,
Grade AA, A and B grade GPS control point data, 1.25000,1.50000,1.100000,1.250000,1.500000
1000000 basic geographic information and data (excluding survey control point data), it is important GIS data and mapping administration under the State Council
Surveying department shall organize additional basic geographic information data by surveying and mapping administrative department commissioned the agency finds that the law or the law
Procedural rules prescribed for approval.
Other Level measurement and control point data 7.4 Article 7.3 of the outside foundation 1.500,1.1000,1.2000,1.5000,1.10000
GIS data (excluding survey control point data), the data show provincial land surveying and mapping administrative departments of the institutions entrusted identified.
Process and method 7.5 is deemed to be executed in accordance with relevant national standards.
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