JP2001005381A - Guide map generation method and guide map generation device - Google Patents

Abstract

(57) [Summary] [Problem] To provide a guide map generation method and a guide map generation device that can generate a guide map even if a starting point is not specified as a search condition. SOLUTION: In a map search, when a destination is designated, a nearby representative facility is searched, and a guide map is generated using the representative facility as a starting point. The figure shows an example of a guide map where the destination is Shibuya Tax Office. Ginza Line Shibuya Station is the nearest representative facility, and Ginza Line Shibuya Station is the starting point. The facility defines priorities in advance based on the attributes given to the figure and the shape of the figure, with the ease of recognition as an index. For example, convenience stores, banks and rivers are easy to understand, so their priority is high. The facility having the higher priority is calculated and set as a representative facility. Representative facilities are
This includes not only buildings, but also things such as bridges, streams, and bus stops, or topography. In addition, a guide text from a representative facility located between Ginza Line Shibuya Station and the destination is displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide map generating method and a guide map generating device, and more particularly to a guide map generating method and a guide map generating device for a guide map displayed on a display of a portable telephone.

[0002]

2. Description of the Related Art Conventionally, when trying to obtain a map to a destination, a guide map to the destination is provided by a GPS (global).
bal Positioning System) or a fixed facility location as a starting point.

[0003]

By the way, when the user is outdoors, it is not possible to obtain the position by GPS or the like or to easily obtain the position of a nearby fixed facility. Usually, since the guide map is a map for guiding from the starting point to the destination, there is a problem that the guide map providing server cannot generate the guide map unless the starting point is specified.

[0004] The present invention has been made in view of the above problems, and has as its object to enable generation of a guide map without specifying a starting point as a search condition.

[0005]

According to a first aspect of the present invention, there is provided a method for generating a guide map to be displayed on a display of a mobile phone, the method comprising the steps of: It is characterized in that a guide map is created starting from a facility. According to a second aspect of the present invention, in the guide map generating method according to the first aspect, a guidance message from a nearest representative facility on the way is displayed.

According to a third aspect of the present invention, there is provided the guide map generating method according to the first or second aspect, wherein a plurality of modes are selected as selection criteria for representative facilities. It is characterized in that the criteria for selecting a public facility are changed. According to a fourth aspect of the present invention, in the guide map generating method according to the first or second aspect, in the guide map generating method according to the first or second aspect, the representative facility serving as the departure point and the next facility on a route are provided. When displaying representative facilities,
There is a case where the representative facility serving as the starting point is displayed below and the next representative facility on the route is displayed above, and a certain representative facility and the next representative facility on the route are displayed. When the representative facility is displayed below, the next representative facility on the route is displayed above, and the representative facility and the destination closest to the destination on the route are displayed, the destination on the route is displayed. , The representative facility closest to is displayed below, and the destination is displayed above.

According to a fifth aspect of the present invention, there is provided a map generation apparatus for a guide map displayed on a display of a mobile phone, wherein when a departure place is not specified in a search condition, a nearest representative facility is set as a starting point. It is characterized in that a guide map is created. According to a sixth aspect of the present invention, in the guide map generating device according to the fifth aspect, a guidance sentence from a nearest representative facility on the way is displayed.

According to a seventh aspect of the present invention, in the guide map generating apparatus according to the fifth or sixth aspect, a plurality of modes are selected as selection criteria for representative facilities, and a representative mode is selected according to the selected mode. It is characterized in that the selection criteria for strategic facilities are changed. The invention described in claim 8 is the guide map generation device according to claim 5 or 6, wherein the representative facility is displayed below and the destination is displayed above.

[0009]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a system in which a map server connected to a mobile phone network is provided and a guide map for providing a guide to a destination is provided on a small screen of the mobile phone.
This system includes, for example, a mobile phone network 100, content providers 101 and 102, the Internet 103,
It comprises a map server 104, a database 105, a GW (gateway: gateway exchange) 107, a GW 108, mobile networks 109 and 110, and a mobile phone 111.

The GW 108 is a gateway server (gateway exchange of the mobile network 109) for communicating with the mobile phone 111, assigns a terminal ID to a request from the mobile phone 111, and sends a request to a specific terminal ID (mobile phone 111). Control for transmitting the response to the designated terminal is performed. In addition, protocol conversion is performed, and if necessary, the position information of the mobile phone 111 is inserted into the signal frame.

The GW 107 is, for example, a portable telephone 111
(For example, to identify a map server), and whether to permit access to the address is determined with reference to the customer DB 106 (for example, a map server). It is determined whether or not the access is from the mobile phone 111 having no access right at 104). If not permitted, the access is rejected (access from the mobile phone 111 without access right is rejected), and if allowed, the gateway relays to the address.

A response (for example, a response from the map server 104) is transmitted to the terminal (the portable telephone 111) of the transmission destination.
Is referred from the customer DB 106 to access the gateway 108. Customer DB1
Reference numeral 06 denotes a database having server (access-providing address) information accessible to the mobile phone 111 and customer information such as currently accommodated GW information.

The map server 104 is a server for generating information such as a guide map in response to a request access to which a terminal ID has been assigned and transmitting the information based on the request. If the search fails due to the search key,
The effect is returned to the mobile phone 111 via the GW 107 or the like. The map server 104 can be accessed from the Internet, but the mobile phone 111 is connected via the mobile network 109, the GW 108, and the GW 107.
It should be noted that even if provided outside the mobile phone network 100, the mobile phone 1
11 is a mobile network 109, GW108, GW1
07, which is equivalent to being provided in the mobile phone network 100.

Content providers CP101 and CP102
Is a server that generates and distributes general information. Also,
Information according to the request of the GW 107 can be generated and distributed. The database server 105 is a database for managing a mobile phone network.

The mobile phone 111 operates the mobile phone 111 to access the map server 104 to acquire a desired guide map and display it on the display of the mobile phone 111. FIG. 2 shows the functions and processing flow of the mobile phone 111 and the map server (here, having the function of guiding directions) 104.

For example, a case where the mobile phone 111 acquires a guide map to which a guide text to a destination is added will be described. The mobile phone 111 uses the search condition input function 10 to input search conditions. After turning on the power, the mobile phone 111 switches to an input screen and inputs the address of the map server. The home page of the map server is displayed on the screen, and the access button is pressed to display the search display screen.

In the present invention, the current location information is not required. The mobile phone 111 uses the search request function 11
Send the search condition to the map server. The search condition is determined according to a predetermined protocol using the mobile network 109 and the GW1.
08, and transmitted to the map server 104 via the GW 107.

The map server 104 has a search receiving function 12
The search request function is received by using the above. The map server 104 uses the guide map generation function 13 to generate a guide map that matches the search condition. Based on the destination information, the range of the map is determined, a nearby representative facility is searched, and a guide map of a predetermined range is generated using the representative facility as a starting point.

At the same time, a guide message is automatically created.
A final guide map is generated by combining the guide map and the guide text. The map server 104 transmits the guide map to the mobile phone 111 using the guide map transmission function 14. The guide map is based on a predetermined protocol and is based on GW107, GW1.
08, the mobile phone 1 via the mobile network 109
11 is transmitted.

The mobile phone 111 uses the guide map receiving function 15 to receive a guide map. The mobile phone 111 uses the guide map display function 16 to display a guide map. The mobile phone 111 displays a guide map with a guide text added to the display of the mobile phone 111.

FIG. 4 shows an example of a guide map in which the destination is Shibuya Tax Office. In this figure, Ginza Line Shibuya Station is the nearest representative facility, and Ginza Line Shibuya Station is the starting point. The representative facility is calculated based on the attributes (facility classification and feature classification) assigned to the figure and the shape of the figure. In the attribute, the priority is defined in advance using the ease of recognition as an index. For example, convenience stores, banks and rivers are easy to understand, so their priority is high. The facility having the higher priority is calculated and set as a representative facility.

The priority of the shape is defined based on the shape having a large area and the shape having a complicated shape by using the perimeter of the figure and the area of the figure. The facility having the higher priority is calculated and set as a representative facility. When the area to be calculated is determined from the destination, a facility having a high priority is selected from the data included in the area based on the above criteria, and is set as a representative facility.

As described above, typical facilities include not only buildings, but also things such as bridges, streams, bus stops, etc., and topography. Also, typical facilities located between Ginza Line Shibuya Station and the destination are connected to the destination. A guidance message is displayed. As you proceed, you can arrive at the destination smoothly by reading the guide from Ginza Line Shibuya Station ⇒ Manyo Kaikan ⇒ Shibuya Center Building ⇒ Chitose Kaikan ⇒ Parco Part 1 ぽ Anshibuya.

The guidance on the way to the destination is not limited to the representative facilities as described above, but may be guidance from a road sign, a signal, a road situation (quadrilateral, triangular, etc.). In addition, the priority of selecting a representative facility is determined in a plurality of modes (for example,
(Modes such as urban, town, rural, rural, mountainous, etc.), and the selection criteria for representative facilities are changed in accordance with the mode. For example, in the rural mode, a bus stop, a shop, and the like are set to a higher priority.

As described above, the information is displayed using the most suitable representative facility according to the situation, so that the guide map can be easily viewed. In addition, as shown in FIG. 4, the representative facilities are fixed below and displayed, and the destination is displayed above to make it easier to see. Next, FIG. 3 shows the mobile phone 111 and the GW 108 (i
Mode GW), the signal flow between the GW 107 (map server GW) and the map server are shown.

The mobile phone 111 transmits an information request frame including destination information and the like to the GW 108 (20). The GW 108 receives the signal transmitted from the mobile phone 111, and transmits an information request frame to which the ID of the mobile phone 111 is added to the GW 107 (21). The GW 107 receives the signal transmitted from the GW 108, refers to the customer DB from the ID of the mobile phone 111,
Check if you have the right to access the map server. When the mobile phone 111 has a right to access the map server, the mobile phone 111 transmits an information request frame including destination information and the ID of the mobile phone 111 to the map server 104 (22).

Thereafter, as described above, the map server 104 generates a guide map and a guide text starting from a representative facility. The guide map to which the guide text is added is transmitted to the mobile phone 111 in the following procedure. In the processing result notification frame, the guide map of the search result is transmitted from the map server 104 to the GW 107 (23).

In the processing result notification frame, the guide map of the search result is transmitted from the GW 107 to the GW 108 (2).
4). The protocol conversion is performed by the GW 108, and the guide map of the search result is transmitted to the mobile phone 111 (25). As a result, the owner of the mobile phone 111
By looking at the guidance map displayed on the display 1, it is possible to obtain route guidance for the destination.

[0029]

As described above, according to the present invention, a guide map can be generated without specifying a starting point as a search condition. In addition, since the input of the starting point can be omitted as the search condition, the input of the search can be simplified.

Since it is possible to see the guidance message from the representative facility in progress, it is possible to proceed smoothly to the destination. Since the information is displayed using the most suitable representative facility according to the situation, the guide map can be easily viewed. By displaying the representative facilities below and the destinations above, the guide map becomes easy to see.

[Brief description of the drawings]

FIG. 1 is a diagram for explaining an overall system of the present invention.

FIG. 2 is a diagram for explaining functions and a processing flow of a mobile phone and a map server of the present invention.

FIG. 3 is a diagram for explaining a signal flow between a mobile phone, a GW 108, a GW 107, and a map server.

FIG. 4 is an example of a guide map.

[Explanation of symbols]

 10 Search Condition Input Function 11 Search Request Function 12 Search Acceptance Function 13 Guide Map Generation Function 14 Guide Map Transmission Function 15 Guide Map Receiving Function 16 Guide Map Display Function 100 Mobile Phone Network 101, 102 CP 103 Internet 104 Map Server 105 Database 106 Customer Database 107, 108 GW 109, 110 Mobile network 111 Mobile phone

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 1/00 H04M 11/08 5K101 11/08 G06F 15/40 310G 9A001 370C (72) Inventor Norio Nakamura Tokyo (72) Inventor Toshiaki Sugimura 2-10-1 Toranomon 2-chome Toranomon, Minato-ku Tokyo Metropolitan NTT Mobile Communications Network Co., Ltd. (72) Inventor Kensaku Fujii 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Shigeru Nagai 3-2-1, Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Kazuhiro Sugiyama Nippon Telegraph and Telephone Corporation 3-9-1-2 Nishi Shinjuku, Shinjuku-ku, Tokyo (72) Inventor Hitoshi Mohri Tokyo 3-19-2 Nishi-Shinjuku, Shinjuku-ku Nippon Telegraph and Telephone Co., Ltd. LL12 NN18 RR05 9A001 CC05 JJ01 JJ11 JJ25 JJ27 JJ72

Claims (8)

[Claims] In a method for generating a guide map to be displayed on a display of a mobile phone, a guide map is created by using a nearest representative facility as a starting point when a departure place is not specified in a search condition. Guide map generation method. 2. The guide map generation method according to claim 1, wherein a guide message from a nearest representative facility on the way is displayed. 3. The guide map generation method according to claim 1, wherein a plurality of modes are selected as representative facility selection criteria, and the representative facility selection criteria are changed corresponding to the selected mode. A guide map generating method. 4. The guide map generating method according to claim 1, wherein the representative facility serving as the starting point and the next representative facility on the route are displayed when the representative facility serving as the starting point is displayed. It is displayed below and the next representative facility on the route is displayed above,
When displaying the certain representative facility and the next representative facility on the route, the certain representative facility is displayed below,
If the representative facility next on the route is displayed above and the representative facility closest to the destination on the route and the destination are displayed, the representative facility closest to the destination on the route is displayed below And displaying the destination upward. 5. A map generating apparatus for a guide map to be displayed on a display of a mobile phone, wherein a guide map is created by using a nearest representative facility as a starting point when a departure place is not specified in a search condition. Guide map generation device. 6. The guide map generating apparatus according to claim 5, wherein a guide sentence from the nearest representative facility on the way is displayed. 7. The guide map generating device according to claim 5, wherein a plurality of modes are selected as a selection standard of the representative facility, and the selection standard of the representative facility is changed according to the selected mode. A guide map generation device, comprising: 8. The guide map generating apparatus according to claim 5, wherein the representative facility is displayed below and the destination is displayed above.