Criterion of digital map production for automotive navigation system
1 Scope
This standard specifies the basic content and quality requirements of navigation electronic map, and defines road function class and color representation, background information style, diagrammatical symbol and address coding rules, etc.
This standard is applicable to the definition and production of navigation electronic map in vehicle in China. Navigation electronic map in location-based services (LBS) and intelligent transportation system (ITS) may refer to this standard.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 917.1 ~ 917.2 Mark rules of highway route
GB/T 11708 The naming and the coding rules for highway bridge
GB/T 19711 Data model and data exchange format for navigable spatial database
GB 20263-2006 Navigable electronic map — Basic requirements of security processing technology
GB/T 20268-2006 Specification for collecting and processing in-car navigable geographic data
3 Terms and Definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
digital map production for navigation system
terminal map data products used in conjunction with navigation applications
3.2
feature
representation of real-world objects in a database
3.3
feature theme
specific set of related elements
3.4
node
0-dimensional element that is a topological join of two or more sides, or an endpoint of an edge — nodes in a road network include connections and intersections.
3.5
road
roads include road elements and sections
3.6
attribute
characteristic of an element that is independent of other elements
3.7
class
types of elements
3.8
point of interest; POI
institution, system, organization, service space, etc. established for a certain need, hereinafter referred to as POI
4 Basic contents
4.1 Road network information
Road information includes number, name, function class, form, width, traffic direction, traffic restriction, etc. of the road, with the geometric shape of a line; node information includes intersection type, road connectivity, and traffic restriction, with the geometric shape of a point.
4.1.1 Road information
4.1.1.1 Road numbers
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Basic contents
4.1 Road network information
4.2 Background information
4.3 Annotation information
4.4 Index information
5 Basic requirements
5.1 Overview
5.2 Road network information
5.3 Background information
5.4 Annotation information
5.5 Map review
5.6 Product description
5.7 Other requirements
Annex A (Informative) Functional road class style
Annex B (Informative) Annotation symbol
Annex C (Informative) Classification of facilities and their symbols
Annex D (Informative) Address coding rules
Annex E (Informative) Schematic diagram for entrance, exit and roundabout
