CN101078633B - Map data updating method of navigation device - Google Patents

Map data updating method of navigation device Download PDF

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Publication number
CN101078633B
CN101078633B CN 200710023255 CN200710023255A CN101078633B CN 101078633 B CN101078633 B CN 101078633B CN 200710023255 CN200710023255 CN 200710023255 CN 200710023255 A CN200710023255 A CN 200710023255A CN 101078633 B CN101078633 B CN 101078633B
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navigation device
server
data
packet
map
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CN 200710023255
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Chinese (zh)
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CN101078633A (en )
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李晓华
秦春达
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江苏华科导航科技有限公司
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Abstract

The invention relates to an updating method for map data of guider. It comprises that map data carrying out grid partition for surface digital map in the same region is deposited in map data base of guider and server; all map data corresponding to grid form independent data packet with different number; all data packets have corresponding edition information; all data packets in map data base of server can be updated manually to form data packets with new edition and updating explaining information for data packets with new edition corresponding to data packets with original edition; by wire or no-wire communication net, edition information comparison of data packets with corresponding numbers in each map data base in guider and server is carried out; if data packets with new edition existin the map data base of server, the guider downloads updating explaining information of data packets with new edition from the map data base of server and corresponding data packets in map data baseof guider are amended according to it.

Description

导航装置的地图数据更新方法 Navigation system map data update method

技术领域 FIELD

[0001] 本发明涉及一种导航装置的地图数据更新方法。 [0001] The present invention relates to a navigation device map data updating method.

背景技术 Background technique

[0002] 汽车导航装置中存储了包含道路和设施等数据的地图数据。 [0002] Car navigation device stores the map data includes data such as roads and facilities. 汽车导航装置通过使用该地图数据,实现将车辆位置周边等的地图显示在画面上或者搜索由用户指定的目的地和经由地之通路的功能。 Car navigation device by using the map data, the vehicle position surrounding the like to achieve a map displayed on a screen or search destinations designated by the user and functionally via the passage. 而城市交通规则和道路分布常有更新,为获得这些更新的数据,用户必须去客服或者经销商那里升级更新导航装置的地图数据,现有技术中的导航装置的数据更新是更新整个地图数据库,这种方式比较耗时,效率低。 Urban traffic rules and road distribution often updated, in order to obtain these data updates, users must upgrade to customer service or dealer to update the map data of the navigation device, data updating navigation device of the prior art is to update the entire map database, It's more time-consuming and inefficient. .

[0003] 因此,提出了在汽车导航装置的地图数据当中仅仅更新此时所需要的差分数据的方案。 [0003] Therefore, proposed to update only the differential data at this time in the map data required for the car navigation apparatus among the programs. 例如,日本专利文献:特开2004-37331号公报公开了一种地图数据配送系统,其显示出与由车辆位置数据所特定位置附近之规定范围相对应的地区信息以及用户从其中选择希望进行配送的地区。 For example, Japanese Patent Document: JP Laid-Open No. 2004-37331 discloses a map data distribution system, which exhibits the vehicle position data corresponding to the specific position near the predetermined range from the region where the user information and select desired for distribution areas.

[0004] 日本专利文献:特开2002-342330号公报公开了一种驾驶导航装置,其显示用于下载最新地图数据的菜单画面以及用户根据该画面选择希望下载的地区和P0I(兴趣点、 观光地和各种设施)种类。 [0004] Japanese Patent Document: JP Laid-Open No. 2002-342330 discloses a car navigation apparatus, which displays a menu screen for downloading the latest map data and the user wishes to download based on the selection screen and p0i region (points of interest, sightseeing land and facilities) species.

[0005] 中国专利申请200510118661. 5公开了一种在汽车导航系统中在下载地图数据之前就将其更新内容告知用户的机构。 [0005] Chinese patent application 200510118661.5 discloses a car navigation system that will inform the user of updates before downloading map data agency. 车载终端根据用户的选择设定差分更新区域,并将差分更新要求发送到地图更新服务器。 Vehicle terminal according to the selection area set the difference update the user, and transmits the difference update request to the map update server. 当这种情况下的更新模式是"概要显示后更新"时,车载终端就从地图更新服务器中下载概要更新地图。 When the update mode in this case is "update after outline display", the on-board terminal server to download the update from the map outline update map. 然后,将概要更新地图显示在显示器的显示部上。 Then, the outline update map is displayed on the display portion of the display. 这里,当按下显示部上所显示的下载开始按钮时,车载终端就从地图更新服务器中下载详细更新地图。 Here, when you press the start button to download on the display section, the vehicle terminal to download detailed update map from the map update server. 然后,将详细更新地图显示在显示器的显示部上。 Then, the updated detailed map displayed on the display portion of the display. 还进行终端DB所存储的地图数据的更新处理。 DB update processing terminal further stored map data.

[0006] 中国专利申请200410018119. 8公开了一种电子地图数据存储与更新的方法,根据地图要素ID存储地图数据并且利用地图要素ID筛选需要下载的地图数据,可以实现电子地图的动态增量下载和更新。 [0006] Chinese Patent Application No. 200410018119.8 discloses a method for storing an electronic map data update, the map and the map data stored ID features using the feature map ID filtering to download the map data, the electronic map may be implemented dynamically downloading incremental and updates. 用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据,获得动态导航的便利。 Users can quickly download digital map data for this traffic route through the map-related data server, access dynamic navigation convenience.

[0007] 上述现有技术中的地图数据的更新方法虽然仅更新所需的差分数据,大大减小了数据流量,但在实际使用中其更新的数据流量仍较大,常常会影响正常使用。 [0007] The above-described prior art method for updating map data, although only the difference data required to update, greatly reduces data traffic, but in actual use to update its data traffic is still large, often affect normal use. 而实际更新的内容往往只有几条道路或一些交通规则的变化而已,故更新时的数据流量可进一步减少。 And actually updated content is often only a few road traffic rules or some variation of it, so when the data traffic updates can be further reduced.

发明内容 SUMMARY

[0008] 本发明所要解决的技术问题是提供一种在地图数据更新时可进一步减少数据流量的导航装置的地图数据更新方法。 [0008] The present invention solves the technical problem is to provide a map data updating method updating the map data when the navigation device can further reduce the data traffic.

[0009] 为解决上述技术问题,本发明的导航装置的地图数据更新方法,包括如下步骤: [0010] A、导航装置和服务器的地图数据库中存储有将同一区域内的地表数字地图进行 [0009] In order to solve the above problems, the map data updating method according to the present invention, a navigation device, comprising the steps of: [0010] A, the navigation device and the server map database stored in the digital map within the same surface area

4网格化划分的地图数据;其中,各网格所对应的地图数据形成独立的具有不同编号的数据包;各数据包具有相应的版本信息;服务器的地图数据库中的各数据包可依实际路况的变化而被人为更新,并形成新版本的数据包和该新版本的数据包相对于原有版本的数据包的升级解释信息; 4 maps data into the grid; wherein each mesh map data corresponding to form individual packets having different numbers; each packet has a corresponding version information; server, each packet may vary depending on the actual map database artificial road conditions change is updated, and a new version of the package and the new version of the package with respect to the previous version upgrade data packet interpretation information;

[0011] B、通过有线或无线通讯网络,导航装置与服务器就各自地图数据库中的编号相对应的数据包进行版本信息比对;若服务器的地图数据库中存在新版本的数据包,则导航装置从服务器的地图数据库中下载该新版本的数据包的升级解释信息,并以此对导航装置的地图数据库中相应的数据包进行修改,即形成相应的新版本的数据包。 [0011] B, via a wired or wireless communication network, the navigation device and the server version information match each in the map database corresponding to the number of data packets; if there is a new version of the server map database and the data packet, the navigation device download new upgraded version of the data packet from the server map database and interpret the information, and thus the map database of the navigation device corresponding modified data packet, i.e., to form the corresponding new version of the package.

[0012] 上述步骤B中,若服务器的地图数据库中存在新版本的数据包,且在导航装置的地图数据库中相应编号的数据包为空,则导航装置从服务器的地图数据库中下载该新版本的数据包并替换导航装置的地图数据库中相应编号的空数据包。 [0012] Step B above, if a new version of the packet in the server map database and the corresponding number of the data packet is a null in the map database of the navigation device, the navigation device to download the new version from the server map database packet replacement navigation device and a map database of the respective packet number space.

[0013] 本发明具有积极的效果:(l)本发明的导航装置的地图数据更新方法中,服务器的地图数据库中的各网格相对应的数据包可人为更新,并形成新版本的数据包及其相对于原有版本的数据包的升级解释信息;导航装置从服务器的地图数据库中下载相应的升级解释信息,以对相应的原有版本的数据包进行修改,从而实现了导航装置的地图数据的更新。 [0013] The present invention has a positive effect: map data updating method (l) of the navigation device according to the present invention, each mesh in the map database server corresponding to the packet may artificially updated, and a new version of the data packet and explained with respect to the previous version upgrade data packet information; and update the navigation device to download the appropriate interpretation of the map information from the server database, data packets corresponding to the original version is modified in order to achieve the navigation device map update data. 其中,通过将地表数字地图进行网格化划分,形成的数据包(包括新版本的数据包)的容量较小,平均在20Kbit左右,故在地图数据更新时,数据流量小;而所述升级解释信息的容量更小,因为升级解释信息仅包括:数据包编号、道路路段号、操作方法和变更内容;往往不到lKbit,从而大大减小了地图数据更新时的数据流量,提高了导航装置的地图数据更新的效率。 Wherein the digital surface map by the grid division formed smaller packets (including the new version of the package) the capacity of an average of about 20Kbit, so in the map data update, data flow is small; and the upgrade capacity explanatory information less, because the upgrade information includes only explanation: packet number, a road link number, method of operation and change content; often less than lKbit, which greatly reduces the data traffic when the map data is updated to improve navigation device the map data update efficiency. (2)本发明的导航装置的地图数据更新方法中,若服务器的地图数据库中存在新版本的数据包,且在导航装置的地图数据库中相应编号的数据包为空,则导航装置从服务器的地图数据库中下载该新版本的数据包并替换导航装置的地图数据库中相应编号的空数据包,从而避免了读取相应升级解释信息并对原空数据包进行修改的过程,提高了导航装置的地图数据更新的效率。 (2) A map data updating method of a navigation device according to the present invention, if a new version of the packet in the server map database and the corresponding number of data packets in the map database of the navigation device is empty, the navigation device from the server, map database to download the new version of the package and replace the navigation device map database corresponding number of empty packets, thus avoiding the upgrade interpret information and to read the corresponding original empty packet process to modify and improve the navigation device map data update efficiency. (3)本发明的导航装置的地图数据更新方法中,所述升级解释信息包括:数据包编号、道路路段号、操作方法和变更内容;操作方法包括修改道路属性和添加、删除及修改道路关系;导航装置根据升级解释信息对导航装置的地图数据库中相应的数据包进行修改较方便,数据更新效率高。 (3) A map data updating method of a navigation device according to the present invention, the explanatory information update comprises: packet number, number of road segments, and methods of operation changed content; operating method comprises modifying road attributes and add, delete, and modify the relationship between the road ; navigation device explained upgrade information in the map database of the navigation device corresponding data packet modified according to more convenient, efficient data updating.

附图说明 BRIEF DESCRIPTION

[0014] 图1为实施例1中可通过有线或无线通讯网络进行数据通讯的导航装置和服务器的示意图; [0014] Figure 1 is a schematic view of a navigation device and a server data communication may be performed by wired or wireless communication networks in Example 1;

[0015] 图2为本发明的导航装置的结构示意图; [0015] FIG structural diagram of the navigation device 2 of the present invention;

[0016] 图3为本发明的对地图数据进行网格化划分的布示意图; [0016] FIG. 3 a schematic diagram of a map data distribution grid division of the present invention;

[0017] 图4为本发明的导航装置的地图数据更新方法中当用户通过导航装置浏览地图时的程序框图; Map data updating method of the navigation device [0017] FIG. 4 of the present invention when the user when the block diagram of the navigation device map browsing;

[0018] 图5为本发明的导航装置在计算引导路径时进行地图数据更新的程序框图。 [0018] FIG. 5 is a navigation device of the present invention, the map data update block diagram in the calculation of the guidance route.

具体实施方式[0019](实施例l)[0020] 见图2,本实施例中,导航装置1还包括:CPU单元12、与CPU单元12双向电连接的地图数据库11、与CPU单元12双向电连接的无线通讯单元13、与CPU单元12双向电连接的用于存储导航用程序的程序数据库14、与CPU单元12双向电连接的语音输出装置15、 与CPU单元12双向电连接的触摸屏操控单元16、与CPU单元12双向电连接的GPS接收器17和与CPU单元12双向电连接的USB单元。 DETAILED DESCRIPTION [0019] (Example l) [0020] Figure 2, in this embodiment, the navigation apparatus 1 further include: CPU unit 12, and the CPU unit 12 connected to bidirectional map database 11, the CPU unit 12 and the bidirectional voice output device program database 12 bidirectional wireless communication unit electrically connected to 13, the CPU unit is connected for storing the navigation program 14, and 12 two-way electrically CPU unit 15 connected, connected to the 12 bi-directional CPU unit is a touch screen control unit 16, the USB unit CPU unit 12 is electrically connected to a bidirectional GPS receiver 17 and the CPU unit 12 is electrically connected to a bidirectional. 地图数据库11与CPU单元12双向电连接。 The map database 11 connected to the CPU 12 bi-directional unit. [0021] 见图l,作为计算机的服务器2具有相应的地图数据库21。 [0021] Figure l, as a server computer 2 having a corresponding map database 21. 导航装置1与服务器2通过有线或无线通讯网络进行数据通讯。 The navigation device 1 and the server 2 perform data communication via a wired or wireless communication network.

[0022] 见图2,导航装置1中的无线通讯单元13可以是GSM或GPRS通讯单元等,导航装置1通过无线通讯单元13以无线方式进入互联网并与服务器2进行数据通讯。 [0022] Figure 2, a navigation apparatus for wireless communication unit 13 may be a GSM or GPRS communications unit or the like, the navigation device 113 in a wireless manner through the wireless communication unit access to the Internet and data communication with the server 2. 另外,导航装置1也可通过USB单元与本地计算机相连,即以有线方式进入互联网并与服务器2进行数据通讯。 Further, the navigation device 1 may also be connected to the local computer through the USB unit, i.e., access to the Internet in a wired manner and performs data communication with the server 2.

[0023] 本实施例的导航装置的地图数据更新方法,包括如下步骤: [0023] A map data updating method of a navigation apparatus of the present embodiment, comprising the steps of:

[0024] A、导航装置1的地图数据库11和服务器2的地图数据库21中存储有将同一区域内的地表数字地图进行网格化划分的地图数据;各网格所对应的地图数据形成独立的具有不同编号的数据包;各数据包具有相应的版本信息。 [0024] A, the navigation device 1 and the map database 11 a map server 2 database 21 stores the digital map within the same surface area of ​​map data of the divided grid; each mesh map data corresponding to form individual having different numbers of data packets; each packet has a corresponding version information.

[0025] 见图3,例如,将某一区域的地表数字地图进行网格化划分,各网格为大小均相同的正方形,该正方形网格的边长在实际地表上所对应的长度为10m(在其它实施例中,可以是5m、8m或15m),并计算出各网格在地表数字地图上的坐标;该坐标是在所述区域的地表数字地图上设置的纵横坐标(在其它实施例中,该坐标可以是地球经纬度)。 [0025] Figure 3, for example, the surface area of ​​the digital map is a grid divided, each mesh size is the same as a square, the side length of a square grid on a surface corresponding to the actual length of 10m (in other embodiments, it may be 5m, 8m or 15m), and calculates the coordinates of each grid on the surface of a digital map; vertical and horizontal coordinates of the coordinates is set on a digital map of the surface area (in other embodiments embodiments, the coordinates may be latitude and longitude of the earth). 然后按图3所示的经纬度方向给予所述各网格以不同的编号,如在纬度方向从1开始,直至n,n的大小根据实际地图大小和网格的边长在实际地表上所对应的长度而定。 Then press the latitude and longitude direction shown in FIG 3 each of administering to said grid to a different number, as in the latitudinal direction starting from 1 up to n, n corresponding to the size of the actual surface on a side in accordance with the actual size of the map and grid on the length.

[0026] 服务器2的地图数据库21中的各数据包可依实际路况的变化而被人为定期更新(例如,某地存在新增加的道路时,就需要对服务器2中的相应数据包进行修改,即更新),并形成新版本的数据包和该新版本的数据包相对于原有版本的数据包的升级解释信息(例如,用于解释新增加的道路包括几个路段,各路段的起始点经纬度和终点经纬度,道路类型、宽度、交通规则等信息)。 21 [0026] 2, the map database server each packet to follow changes in the actual road conditions is artificially updated periodically (e.g., when the presence of a newly added road, it is necessary for the server 2 corresponds to the modified data packet, is updated), and a new version of the package and the new version of the package with respect to the previous version upgrade information interpretation packets (e.g., serve to explain the newly added path includes several sections, the starting point of each link latitude and longitude and latitude and longitude of the end of the road type, width, traffic rules and other information).

[0027] B、通过所述有线或无线通讯网络,导航装置1与服务器2就各自地图数据库11和21中的编号相对应的数据包进行版本信息比对;若服务器2的地图数据库21中存在新版本的数据包,则导航装置1从服务器2的地图数据库21中下载该新版本的数据包的升级解释信息,并以此对导航装置1的地图数据库11中相应的数据包进行修改,即形成相应的新版本的数据包。 [0027] B, through the wired or wireless communications network, the navigation device 1 the version information than each of the map database server 2 to 11 and 21 corresponding to the number of data packets; if the map database 21 of the server 2 in the presence of the new version of the data packet, the navigation device 1 downloads the new version of the upgrade interpret information packet from the server 2 in the map database 21, and thus the navigation device 1 in the map database 11 to modify the corresponding data packet, i.e., forming corresponding new version of the data packet.

[0028] 若一个数据包经过多次更新,例如其最新版本号为1. 3,该数据包曾存在过的版本号分别为1. 0、1. l和1. 2 ;则相应的升级解释信息包括:从1. 0升级至1. 3的升级解释信息、 从1. 1升级至1. 3的升级解释信息和从1. 2升级至1. 3的升级解释信息。 [0028] If a packet data after several updates, for example, the latest version number is 1.3, the packet has existed version numbers are 1. 0,1 l and 1.2; appropriate upgrades explanation information comprises: upgrading the upgrade from 1.0 to 1.3 of the explanatory information, the upgrade from 1.1 to 1.3 upgrade information and interpretation upgrade from 1.2 to 1.3 upgrade information interpretation. [0029] 见图4,当用户通过导航装置1浏览地图时,导航装置1的CPU单元12先从其地图数据库11中读取当前浏览的地图数据所涉及的数据包,并取得各数据包的版本信息,然后将所述各数据包的版本信息通过GPRS或者互连网传递给服务器2,以与服务器2的地图数据库21中相应编号的数据包的版本信息进行比对;若发现其中存在一个或多个新版本的数据包,则将该一个或多个新版本的数据包的升级解释信息传送至导航装置1 ;导航装置1的CPU单元12根据所述升级解释信息对其地图数据库11中相应编号的数据包进行修改, 形成新版本的数据包,即完成更新。 [0029] Figure 4, when the user view the map of the navigation device 1, CPU section 12 of the navigation device 1 reads the map database which start with the current packet related to the map data browsed in 11, and each data packet to obtain version information and the version information of the data packets via GPRS or Internet to the server 2, corresponding to the number of packets in the map database 21 of the server version information for comparison; if there are one or more found a new version of the data packet, then the one or more new upgraded version of the data packet interpretation information to the navigation device 1; the CPU unit 12 of the navigation device 1 according to the interpreted information update its map database correspondingly numbered 11 modifying data packets to form a new version of the package, the update is complete.

[0030] 仍见图4,若服务器2的地图数据库21中存在新版本的数据包,而导航装置1的地 [0030] Figure 4 is still, there is a new version of the package 2 when the server map database 21, and the navigation device 1

图数据库11中相应编号的数据包为空,则导航装置1从服务器2的地图数据库21中下载 Correspondingly numbered 11 in FIG packet database is empty, the navigation device 1 downloads from the server 21 of the map database 2

该新版本的数据包并替换导航装置1的地图数据库11中相应编号的空数据包。 This new version of the package and replace the navigation device 1 corresponding to the map database 11 the null data packet number.

[0031] 例如,表1给出了对编号为001至004的数据包的升级解释信息,升级解释信息包 [0031] For example, Table 1 shows the explanation of the numbered 001-004 upgrade information packet, the packet interpretation upgrade

括:数据包编号、道路路段号、操作方法和变更内容;操作方法包括修改道路属性和添加、 Comprising: packet number, number of road segments, and methods of operation changed content; operating method comprising adding and modifying road attributes,

删除及修改道路关系。 Delete and modify the way relations.

[0032] [0032]

数据包号 路段号 操作方法 变更内容 Link packet No. No. Operation changed content

001 NULL add L1002W4 001 NULL add L1002W4

002 1004 del NULL 002 1004 del NULL

003 1005 amendA D1W2 003 1005 amendA D1W2

004 1006 amendB L1005F1 004 1006 amendB L1005F1

[0033] 表1 [0033] TABLE 1

[0034] 其中,add表示增加,del表示删除,amendA表示修改道路属性,amendB表示修改道路与道路的关系。 [0034] where, add indicates an increase, del represent delete, amendA represent modify road attributes, amendB shows the relationship between the road and the road to modify. NULL表示没有内容,L表示道路号,W表示道路车道数,D表示道路方向,F表示禁行关系。 NULL means no content, L represents a road number, W represents the number of road lanes, D represents the direction of the road, F represents forbidding relationships. 数字地图上的道路由多条路段首尾相连而成;道路交叉处之间的部分称为一个路段,各路段具有不同的编号称为路段号。 A road on a digital map of a plurality of sections connected together end to end; portion at the intersection between the road link is called a, each link having a different number referred to as link numbers.

[0035] 导航装置根据升级解释信息对导航装置的地图数据库中相应的数据包进行修改时,先根据该升级解释信息中的数据包编号在导航装置的地图数据库中找到相应的数据包,然后根据道路路段号、操作方法和变更内容对该数据包进行修改。 [0035] The navigation device according to upgrade explanatory information on the map database of the navigation device corresponding data packet modification, first find the corresponding data packet in the map database of the navigation device based on the upgrade interpret the information in the packet number, and then in accordance with No road segment, operating methods, and change the content of the data packets to be modified. 根据表l,编号为001 的数据包的升级解释信息是:操作方法为add,变更内容为L1002W4,即增加路段号为1002 的一条道路并且车道数为4 ;编号为002的数据包的升级解释信息是:路段号1004,操作方法为del,即将1004号路段删除;编号为003的数据包的升级解释信息是:路段号1005,操作方法为amendA,变更内容为D1W2,即修改1005号路段的道路属性为2车道单向;编号为004的数据包的升级解释信息是:路段号1006,操作方法为amendB,变更内容为L1005F1,即修改1006号路段与1005号路段的道路关系为禁止从1006号路段拐入1005号路段。 Table l, number 001 of the packet upgrade explanation information: methods of operation add, change the contents L1002W4, i.e. increasing the link number of a road 1002 and the number of lanes is 4; upgrade construed number 002 of the packet information is: section 1004, methods of operation as del, is about 1004 sections deleted; numbered upgrade packet 003 interprets the information is: section 1005, methods of operation amendA, change the content D1W2, namely modification 1005 sections 2 lane road attribute is unidirectional; upgrade data packet number 004 of the explanatory information is: the link 1006, the operation method amendB, change the contents L1005F1, i.e. modifying a road link relation 1006, link 1005 and from 1006 to prohibit No. 1005 Guairu road sections. [0036] 见图5,当用户通过导航装置1输入目的地信息后,导航装置1的CPU单元12读取所述当前位置和目的地所对应的数据包,并获得这两个数据包的版本信息,然后分别将这两个数据包的版本信息、当前位置的地址信息和目的地的地址信息传送至服务器2,服务器2分析这两个数据包是否存在新版本的数据包,若其中之一或两者存在新版本的数据包,则服务器2把相应数据包的升级解释信息传递给导航装置1,导航装置1更新相应的数据包。 [0036] Figure 5, when the user inputs destination information through a navigation device, the navigation device 1 to the CPU unit 12 reads the current location and destination of the corresponding data packet, and obtaining two versions of these packets information, then these are two versions of the information packet, the address information of the current location and destination address information is transmitted to the server 2, server 2 analyzes the data packet both the packet if there is a new version, if one of which or the presence of both the new version of the package, the upgrade server 2 corresponding data packet interpretation information to the navigation device 1 is transmitted, the navigation device 1 updates the corresponding data packet. 同时,导航装置1和服务器2分别计算出在当前位置和目的地之间的引导路径,并将计算出的引导路径进行对比,若服务器2的计算结果中,存在更优越的引导路径时(即存在新道路),服务器2把存储有该新道路的数据包的升级解释信息传递给导航装置l,导航装置1更新相应的数据包后计算出所述更优越的引导路径并由触摸屏操控单元16显示。 Meanwhile, the navigation device 1 and the server 2 are calculated in the guide path between the current position and the destination, and comparing the calculated guidance route, if the calculation result in the server 2, the presence of superior guidance route (i.e. the presence of new roads), the server 2 stores the new upgrade data packet transmitted road information to explain L navigation device, the navigation device 1 updates the touch screen by the manipulation unit calculates the guiding path of the respective superior after packet 16 display. [0037] 当用户通过导航装置1设定出发地、途径地和目的地后,导航装置1先就出发地、 途径地和目的地所在的数据包的版本信息与服务器2进行比对,若其中存在新版本的数据包,则进行相应的更新。 [0037] When the user set a departure point, the route and destination, the navigation device 1 on the first point of departure, the server version information packet route and destination are located by the navigation device 2 comparing, wherein if there is a new version of the package, the corresponding update is performed. 同时,导航装置1和服务器2分别计算出经出发地、途径地和目的地的引导路径,并将计算出的引导路径进行对比,若服务器2计算出的多条引导路径(即计算结果)中,存在更优越的引导路径时(即存在新道路),服务器2把存储有该新道路的数据包的升级解释信息传递给导航装置l,导航装置1更新相应的数据包后计算出所述更优越的引导路径并由触摸屏操控单元16显示。 Meanwhile, the navigation device 1 and the server 2 are calculated by the guide route departure point, route and destination, and comparing the calculated guidance route, a plurality of guide paths (i.e. calculated) when calculated in the server 2 , (i.e., the presence of a new road) when the presence of superior guidance route, the server 2 stores the new upgrade data packet road information transmitted to the navigation apparatus explained L, calculated by the navigation device 1 updates the corresponding data packet from the more superior guide path by the control unit 16 displays the touch screen.

[0038] 见图6,P0I (兴趣地点)信息存储于相应位置的数据包中,当用户在通过导航装置1进行POI检索时,导航装置1根据所需检索的POI加载相应的数据包,然后把所述数据包的版本信息传送至服务器2,服务器2分析其数据库中是否存在新版本的数据包;若存在新版本的数据包,则服务器2将需要更新的数据包传递给导航装置1并更新导航装置1内的相关POI数据,最后由触摸屏操控单元16显示POI地图数据。 [0038] Figure 6, P0I (location of interest) information is stored in the corresponding position in the data packet, when the user POI search performed by the navigation device 1, the navigation apparatus 1 load the corresponding data packet according to the retrieved POI desired, then the version of the data packet information to the server 2, server 2 analyzes whether there is a new version of the package in its database; if there is a new version of the data packet, the server 2 will need to update the data packets transmitted to the navigation device 1 and the navigation device 1 updates the relevant POI data, the map data POI last display control unit 16 by the touch screen.

8 8

Claims (5)

  1. 一种导航装置的地图数据更新方法,包括如下步骤:A、导航装置和服务器的地图数据库中存储有将同一区域内的地表数字地图进行网格化划分的地图数据;其中,各网格所对应的地图数据形成独立的具有不同编号的数据包;各数据包具有相应的版本信息;服务器的地图数据库中的各数据包可依实际路况的变化而被人为更新,并形成新版本的数据包和该新版本的数据包相对于原有版本的数据包的升级解释信息;B、通过有线或无线通讯网络,导航装置与服务器就各自地图数据库中的编号相对应的数据包进行版本信息比对;若服务器的地图数据库中存在新版本的数据包,则导航装置从服务器的地图数据库中下载该新版本的数据包的升级解释信息,并以此对导航装置的地图数据库中相应的数据包进行修改,即形成相应的新版本的数据包;所述升级解释信 Map data updating method of a navigation device, comprising the steps: A, a navigation device and a server map database stored in the digital map within the same surface area of ​​map data of the divided grid; wherein each mesh corresponding map data formed separate packets having different numbers; each packet has a corresponding version information; each packet server map database to follow changes in the actual road conditions is artificially updated, and a new version of the data packet and this new version of the package with respect to the previous version upgrade data packet interpretation information; B, via a wired or wireless communication network, the navigation device and the server version information match each in the map database corresponding to the number of data packets; If the new version of the package there is a map database server, the navigation device to download the upgrade to the new version of the explanatory information packet from the server map database, the map database and use it for navigation device to modify corresponding data packet , i.e., to form the corresponding new version of the package; the letter explained upgrade 包括:数据包编号、道路路段号、操作方法和变更内容;操作方法包括修改道路属性和添加、删除及修改道路关系;导航装置根据升级解释信息对导航装置的地图数据库中相应的数据包进行修改时,先根据该升级解释信息中的数据包编号在导航装置的地图数据库中找到相应的数据包,然后根据道路路段号、操作方法和变更内容对该数据包进行修改。 Including: packet number, a road link number, method of operation and change content; operating method includes modifying road attributes and add, delete and modify the way relationships; navigation device map database of the navigation device corresponding data packets to be modified according to upgrade interpret information when, first find the corresponding packets in the map database of the navigation device according to the upgrade interpret the information in the packet number, and then make changes based on the road section number, method of operation and change the contents of the packet.
  2. 2. 根据权利要求1所述的导航装置的地图数据更新方法,其特征在于:上述步骤B中, 若服务器的地图数据库中存在新版本的数据包,且在导航装置的地图数据库中相应编号的数据包为空,则导航装置从服务器的地图数据库中下载该新版本的数据包并替换导航装置的地图数据库中相应编号的空数据包。 The method of updating the map data of said navigation device as claimed in claim 1, wherein: in Step B above, if a new version of the packet in a map database in the server, and the corresponding number in the map database of the navigation device packet is a null, then the navigation device to download the new version of the data packet from the server map database and replace the map database of the navigation device corresponding to the null data packet numbers.
  3. 3. 根据权利要求2所述的导航装置的地图数据更新方法,其特征在于:当用户通过导航装置浏览地图时,导航装置先从其地图数据库中读取当前浏览的地图数据所涉及的数据包,并取得各数据包的版本信息,然后将所述各数据包的版本信息传递给服务器,以与服务器的地图数据库中相应编号的数据包的版本信息进行比对;若发现其中存在新版本的数据包,则将该新版本的数据包的升级解释信息传送至导航装置;导航装置根据所述升级解释信息对其地图数据库中相应编号的数据包进行修改,形成新版本的数据包,即完成更新。 Map data updating method of the navigation device according to claim 2, wherein: when the user is browsing the map navigation device, the navigation device reads map data packet currently browsing data related to start its map database and obtain the version information of each packet, then the version information of the data packets to the server, a corresponding number of data packets with the server version information of the map database for comparison; found if there is a new version of the data packet, the new version of the upgrade packet interpretation information to the navigation device; navigation device corresponding to the number of the data packet according to upgrade their explanatory information in the map database to modify, to form a new version of the data packet, i.e., complete update.
  4. 4. 根据权利要求2所述的导航装置的地图数据更新方法,其特征在于:当用户通过导航装置输入目的地信息后,导航装置读取所述当前位置和目的地所对应的数据包,并获得这两个数据包的版本信息,然后分别将这两个数据包的版本信息、当前位置的地址信息和目的地的地址信息传送至服务器,服务器分析这两个数据包是否存在新版本的数据包,若其中之一或两者存在新版本的数据包,则服务器把相应数据包的升级解释信息传递给导航装置,导航装置更新相应的数据包;同时,导航装置和服务器分别计算出在当前位置和目的地之间的引导路径,并将计算出的引导路径进行对比;若服务器的计算结果中,存在更优越的引导路径即存在新道路时,服务器把存储有该新道路的数据包的升级解释信息传递给导航装置,导航装置更新相应的数据包后计算出所述 Map data updating method according to claim navigation device according to claim 2, wherein: when the user inputs destination information through a navigation device, the navigation device reads the current location and destination of the corresponding data packet, and get the version information of the two packets, then these are two versions of the information packet destination address information and the current position of the address information is transmitted to the server, which analyzes new version of the data whether the presence of these two data packets package, if one or both of the presence of a new version of the data packet, the server update the corresponding data packet transmitted information to explain a navigation device, the navigation device updates the corresponding data packet; Meanwhile, a navigation device and a server, respectively, is calculated in the current guide path between the location and the destination, and the calculated guide path comparison; if the calculation result in the server, the presence of superior guidance route that there is a new path, the server stores the packet of the new road transmitting upgrade information to explain a navigation device, the navigation device updates the corresponding data packet after calculating the 更优越的引导路径并显示。 Guide path and displays superior.
  5. 5. 根据权利要求2所述的导航装置的地图数据更新方法,其特征在于:当用户通过导航装置设定出发地、途径地和目的地后,导航装置先就出发地、途径地和目的地所在的数据包的版本信息与服务器进行比对;若其中存在新版本的数据包,则进行相应的更新;同时, 导航装置和服务器分别计算出经出发地、途径地和目的地的引导路径,并将计算出的引导路径进行对比;若服务器计算出的多条引导路径中存在更优越的引导路径即存在新道路时,服务器把存储有该新道路的数据包的升级解释信息传递给导航装置,导航装置更新相应的数据包后计算出所述更优越的引导路径并显示。 The map data updating method of the navigation device according to claim 2, wherein: the navigation device when the user set the departure, destination and the route to the navigation device prior to departure, the destination and the route where the server version information packet for comparison; wherein if there is a new version of the data packet, a corresponding update is performed; the same time, a navigation device and a server, respectively, the guide path is calculated departure place and destination of the route, and comparing the calculated guide path; a plurality of guide route server if the calculated present time that there is a superior new road guidance route, the server stores the packet transfer upgrade the new road to the navigation apparatus information interpretation after calculating the navigation device updates the corresponding data packet of the guide path and displays superior.
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