Method and system for updating road codes and map data server

A coding update and coding technology, which is applied in the field of traffic information coding, can solve problems such as the non-uniqueness of new and old road codes, and achieve the effect of ensuring uniqueness and continuous availability

Inactive Publication Date: 2010-01-27
北京捷易联科技有限公司
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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a method for updating road codes, which aims to solve the problem that the old and new road codes are not unique when the existing ATMS updates the map

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  • Method and system for updating road codes and map data server
  • Method and system for updating road codes and map data server
  • Method and system for updating road codes and map data server

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] In the embodiment of the present invention, by matching the nodes of the old and new traffic road networks, the successfully matched new traffic road network nodes continue to use the coding of the old traffic road network nodes, and encode the unsuccessfully matched new traffic road network nodes according to their type. Implemented a road code update method.

[0028] A road is a road without branches on a digital map. Such as figure 1 As shown, there are 5 roads, which can be represented by road segments, that is, roads ABC, D, E, F, G; or can be represented by endpoints, that is, roa...

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Abstract

The invention is suitable to be used in a field of traffic information coding, and provides a method and a system for updating road codes and a map data server. The method comprises the following steps of: according to a new-edition map, generating node data of a new road network; matching the generated nodes of the new road network with the nodes of the old road network; and coding the non-matched nodes of the new road network. In the method, the nodes of the new and the old road networks are matched, the nodes which are successfully matched of the new road network use the codes of the nodes of the old road network, the nodes failed to be matched of the new road network are coded according to the type to which the nodes belong, so that the method for updating the road codes is realized. Moreover, the uniqueness and the continuous usability of the road codes in the digital map in different editions are ensured; and in particular, under a condition that the map editions of the ATMS and the terminal are not synchronously updated, the method can ensure that the terminal uses the majority of the information data which are sent by the ATMS and related to the traffic network without updating the map edition.

Description

technical field [0001] The invention belongs to the field of traffic information coding, in particular to a road code updating method, system and map data server. Background technique [0002] Advanced Traffic Management Systems (Advanced Traffic Management Systems, ATMS) obtain road traffic conditions through real-time collection, transmission, analysis and processing of various traffic information in the road traffic network, and provide decision support for travelers and participants in road traffic , minimize travel time delays caused by traffic congestion and traffic accidents, and improve road traffic safety and operating efficiency. [0003] The traffic information expression of ATMS usually needs to encode the roads of the digital map, so as to calculate the traffic condition information in the background and transmit it to the user's traffic information terminal through road coding. [0004] For road coding, at present, the uniqueness of the coding is mainly guaran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B29/10G09B29/00G06F17/30
Inventor 李学光
Owner 北京捷易联科技有限公司
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