This standard specifies the requirements for spatial position technology processing in the process of data collection, production and expression of navigation electronic maps for public publication, sale, dissemination, display and use, as well as the content that shall not be collected and expressed. GB 20263-2006 Basic requirements for secure processing technology of navigation electronic maps GB20263-2006 standard download decompression password: www.bzxz.net
This standard specifies the requirements for spatial position technology processing in the process of data collection, production and expression of navigation electronic maps for public publication, sale, dissemination, display and use, as well as the content that shall not be collected and expressed.

ICS07.040
National Standard of the People's Republic of China
GB20263--2006
Basic requirements for security processing technology of navigation electronic map2006-03-15Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of the People's Republic of China
Anti-counterfeiting
2006-10-01Implementation
GB20263—2006
Normative references
Terms and definitions
Requirements for spatial position technology processing
Contents that shall not be collected
Contents that shall not be expressed
All technical contents of this standard are mandatory. This standard is proposed by the State Administration of Surveying, Mapping and Geoinformation.
This standard is under the jurisdiction of the National Technical Committee for Geographic Information Standardization
GB20263—2006
The drafting units of this standard are: China Academy of Surveying and Mapping, National Bureau of Surveying and Mapping Map Technical Review Center, National Bureau of Surveying and Mapping Surveying and Mapping Standardization Institute and Beijing NavInfo Navigation Information Technology Co., Ltd. The main drafters of this standard are: Li Chengming, Su Shanwu, Yin Jie, Zhao Yuanchun, Zhang Kun, Bai Fengwen and Cao Xiaohang. GB20263—2006wwW.bzxz.Net
This standard makes restrictive provisions on the security processing of the spatial position and content of navigation electronic maps, so that they meet the requirements for public publication, sale, dissemination, display and use, which is conducive to keeping state secrets and maintaining national security, and promoting the healthy and orderly development of the navigation electronic map industry.
1 Scope
Basic requirements for safe processing technology of navigation electronic maps GB20263—2006
This standard specifies the requirements for spatial position technology processing in the process of data collection, production and expression of navigation electronic maps that are publicly published, sold, disseminated, displayed and used, as well as the content that shall not be collected and expressed. This standard applies to navigation electronic maps that are publicly published, sold, disseminated, displayed and used. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T16820 Cartographic Terminology
3 Terms and Definitions
The following terms and definitions apply to this standard. 3.1
Electronic map
A video display map established by applying electronics and computer technology. [GB/T16820—1997.7.76]
Navigable electronic mapNavigable electronic map contains spatial location geographic coordinates, which can be combined with a spatial positioning system to accurately guide people or vehicles from their departure point to their destination. Electronic map or data set.
4 Requirements for spatial location technical processing
4.1 Before being publicly published, sold, disseminated, displayed and used, navigation electronic maps must be processed with spatial location technology. 4.2 Spatial location technical processing of navigation electronic maps should be uniformly implemented by the institutions designated by the administrative department of surveying and mapping under the State Council using the methods prescribed by the state.
4.3 The applicant for spatial location technical processing should provide the institutions designated in 4.2 of this standard with the qualification certificate for the production of navigation electronic maps, navigation electronic map data and data status description. 4.4 The data status description includes the spatial reference system, data production method, data range, data scale, data format and data provision method. 5 Contents that cannot be collected
In the process of making electronic navigation maps, various measurement methods shall not be used to obtain the following geographic spatial information. Can the requirements of Chapter 6 of this standard be expressed when publicly publishing, selling, disseminating, displaying and using them? 5.1 Gravity data and survey control points.
5.2 Elevation points, contour lines and digital elevation models. 5.3 High-voltage power lines, communication lines and pipelines.
5.4 Vegetation and land cover information.
5.5 National borders and domestic administrative boundaries at all levels. 1
GB20263—2006
5.6 Other information that is prohibited from being collected by national laws, regulations and departmental rules. 6 Contents that cannot be expressed
In the public publication, sale, dissemination, display and use of electronic navigation maps, the following contents shall not appear. 6.1 Various military facilities that directly serve military purposes: command organs, ground and underground command projects, combat projects, military airports, ports, docks, camps, training grounds, test sites, military caverns, warehouses, military communications, reconnaissance, navigation, observation stations and surveying, navigation, and navigation aids, military roads, railway dedicated lines, military communications, power transmission lines, military oil and water pipelines. 6.2 Military restricted areas, military management areas and all units and facilities within them. 6.3 Units and facilities related to public security: prisons, criminal detention centers, labor education management centers, drug rehabilitation centers (stations) and custody and education centers, weapons and ammunition, explosives, highly toxic substances, dangerous (chemical) storage plant warehouses, uranium deposits and centralized storage of radioactive substances. 6.4 Civilian facilities that involve the lifeline of the national economy and have a significant impact on people's production and life: large-scale water conservancy facilities, power facilities, communication facilities, oil and gas (natural gas, coal gas) facilities, important war road material storage depots (grain depots, cotton depots), meteorological stations, rainfall radar stations and hydrological observation stations (networks).
6.5 Special railways and train lines within stations, railway marshaling yards, and special roads. 6.6 The height limit, width limit, clearance, load and slope attributes of bridges, the height and width attributes of tunnels, and the pavement material attributes of roads. 6.7 The navigability, water depth, flow rate, bottom quality and bank quality attributes of rivers, the storage capacity attributes of reservoirs, the height attributes of dams, the nature attributes of water sources, the water depth and mud depth attributes of swamps and their boundary contour ranges, and the internal structure and attributes of ferries. 6.8 The internal structure of public airports and their transportation capacity attributes. 6.9 High-voltage wires, communication lines, and pipelines.
Gravity data, measurement control points.
Explicit reference ellipsoid and its parameters, longitude and latitude grid and square grid. 6.11
Note: Explicit includes real-time display, map annotation and attribute query. 6.12 Explicit spatial position plane coordinate data, except for spatial position plane coordinate data officially announced by the state. 6.13 Explicit elevation data, except for elevation data officially announced by the state. Other information prohibited from being disclosed by national laws, regulations and departmental rules. 6.14
GB20263-2006
National Standard of the People's Republic of China
Basic Requirements for Security Processing Technology of Navigation Electronic Maps GB20263—2006
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