JP2013096809A - Navigation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To update a facility list smoothly without causing a stress and display a map image containing all list-displayed facilities.SOLUTION: A navigation device, provided with a function to display a plurality of list-displayed facilities on a map image, includes: a display part 18 for displaying a list of the facilities and the map image; a list update part 17 for updating the list; a facility selection part 17 for selecting a desired one of the facilities from the list; a reduction scale operation part 16 for arithmetically operating a reduction scale of the map image in which all of the facilities displayed in the list can be displayed; and a control part 11 for controlling so as to cause the display part to display the map image containing all of the facilities displayed in the list in the reduction scale when the facility is selected.

Description

The present invention relates to a navigation device, and more particularly to a navigation device having a function of displaying a plurality of facilities displayed in a list on a map image.

As a device that supports the running of the vehicle, navigation that displays the current position of the vehicle together with a map image on the display unit, and searches for and guides the optimum route from the current position to the destination by setting the destination. The device is widely used. Furthermore, in such a navigation device, a list of facilities (POI: Point Of Interest) searched according to a desired search condition is displayed, and when one facility is selected from the list, a map including the location of the facility is displayed. Some have a function to display images.

However, when it is desired to confirm the positions of a plurality of facilities displayed in the list, it is very troublesome for the user to repeat the operation of selecting the facilities one by one and displaying the map image. In addition, since the display process of the map image including the position of the selected facility takes a predetermined time, there is a possibility that the operation at the time of selecting the next facility may be hindered.

Therefore, the following Patent Document 1 (Japanese Patent No. 4723729) calculates a scale of a map image and displays a map image including all of a plurality of facilities displayed in a list on a display device. Is disclosed.

According to this patent document 1, since it is possible to display a map image including all of a plurality of facilities displayed in the list, it is possible to avoid the troublesomeness of the user repeatedly selecting a facility.

Japanese Patent No. 4723729 (Claim 1)

The invention disclosed in Patent Document 1 divides the display area of the display means into two, displays a list of searched POIs on one side, and displays a map image including all the POIs displayed on the other side on the other side. It is configured. For this reason, the scale of the map image to be displayed is calculated based on the number of POIs displayed in the list, the distance between the POIs, or the distance between the reference position and each POI, and a plurality of the displayed POIs are displayed. A map image including all facilities is configured to be displayed in the other display area.

In general, since the screen size is limited, the number of POIs that can be displayed in the one display area is limited. Therefore, in the invention of Patent Document 1, when the number of searched POIs is large, a list of a predetermined number of POIs is displayed, and screen feed operations such as pull-down menu operations and scroll bar operations are performed in order. The list display is updated so as to display a number of POIs.

However, in the above-mentioned Patent Document 1, every time the list is updated, the scale of the map image is calculated so that all of the plurality of facilities displayed in the list are displayed. The time required will affect the list update process. Therefore, for example, when it is desired to update the list and display other facilities, it takes time to calculate and change the scale of the map to be displayed, the update process cannot be performed smoothly, and the user is stressed. You will feel it.

An object of the present invention is to solve the above-mentioned problems, and it is possible to smoothly update a list of facilities without stress and to display a map image including all facilities displayed in the list. An object of the present invention is to provide a navigation device capable of

In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is
In a navigation apparatus having a function of displaying a facility image indicating a plurality of facilities displayed in a list on a map image, a display unit that displays the list of the facility and the map image, a list update unit that updates the list, A facility selection unit that selects the desired facility from the list, and a control unit that updates the map image displayed on the display unit when the facility is selected.

The invention according to claim 2 of the present application is the navigation device according to claim 1, wherein the control unit performs control to display the map image centered on the selected facility on the display unit. To do.

The invention according to claim 3 of the present application is the navigation device according to claim 1 or 2, further comprising a scale calculator that calculates the scale of the map image that can display all the facilities displayed in the list, When the facility is selected from a list, the control unit performs control to display the map image including all the facilities displayed in the list on the display unit at the calculated scale. To do.

The invention according to claim 4 of the present application is the navigation device according to any one of claims 1 to 3, further comprising a current position detection unit that detects a current position, wherein the control unit displays the map image including the current position. Control to display on the display unit is performed.

The invention according to claim 5 of the present application is the navigation device according to claim 4, further comprising a route search unit that searches for a route from the current position to the selected facility, and the control unit displays the route as the display It is characterized by performing control to be displayed on the part.

In the invention according to claim 1, in a navigation device having a function of displaying a facility image indicating a plurality of facilities displayed in a list on a map image, the display unit displaying the list of facilities and the map image, A list updating unit for updating a list; a facility selecting unit for selecting a desired facility from the list; and a scale calculating unit for calculating a scale of the map image capable of displaying all the facilities displayed in the list; A control unit that performs control to display the map image including all the facilities displayed in the list on the display unit at the scale when the facility is selected.

With this configuration, when the user updates the facility list, the map image is not processed, and when the user selects a facility from the list, the scale including all the facilities displayed in the list is calculated. Since the map image is displayed, the facility list can be updated smoothly without stress, and a map image including all the facilities displayed in the list can be displayed.

In the invention which concerns on Claim 2, in the navigation apparatus concerning Claim 1, the position of a desired facility can be easily grasped | ascertained by displaying a map image centering on the selected facility.

In the invention which concerns on Claim 3, in the navigation apparatus concerning Claim 1,
By performing control to display the map image including all facilities displayed in the selected list on the display unit at a calculated scale, the facility list can be updated smoothly without stress.

In the invention according to claim 4, in the navigation device according to any one of claims 1 to 3, a map image including the current position is displayed on the display unit, whereby the position of the desired facility is set to the current position of the user. It can be easily grasped in relation.

In the invention according to claim 5, in the navigation device according to claim 4, the user can easily confirm the route to the desired facility by searching for and displaying the route from the current position to the selected facility. can do.

1 is a configuration block diagram of a navigation device in an embodiment of the present invention. It is an operation | movement flowchart of the navigation apparatus shown in FIG. It is explanatory drawing of the map image and list which are displayed on the operation display part in the Example of this invention. It is explanatory drawing of the state which scrolled the list shown in FIG. It is explanatory drawing of the map image when a facility is selected from the list shown in FIG. 4, and the determination button is operated. It is explanatory drawing of the map image when another establishment is selected from the list | wrist shown in FIG. 4, and the determination button is operated, and another Example of a list | wrist.

Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiment described below exemplifies a navigation device for embodying the technical idea of the present invention, and is not intended to identify the present invention as this navigation device, but claims It is equally applicable to the navigation devices of other embodiments that fall within the scope of the above.

FIG. 1 is a block diagram showing a configuration of a navigation device 10 mounted on a vehicle according to an embodiment of the present invention. The navigation device 10 may be a PND (Portable Navigation Device) possessed by a user who moves on foot.

The navigation device 10 includes a control unit 11, a current position detection unit 12, a route search unit 13, a map information storage unit 14, a list information storage unit 15, a scale calculation unit 16, an operation display unit 19 having a touch panel 17 and a display 18, and The speaker 20 is provided.

The control unit 11 includes a CPU 21, a RAM 22, and a ROM 23. The CPU 21 executes a control program stored in the RAM 22 and / or the ROM 23, thereby controlling and supervising the operation of each unit of the navigation device 10 described below.

The current position detector 12 receives radio waves (satellite signals) including time information from a plurality of GPS satellites orbiting the earth at predetermined time intervals, and calculates the current position of the vehicle based on the received satellite signals. To do. The current position detection unit 12 may be configured by an autonomous navigation means that calculates the current position of the vehicle based on acceleration or angular velocity acquired from an acceleration sensor, a gyro sensor, or the like, or a radio wave transmitted from a base station. it can.

The route search unit 13 determines the destination from the current position based on the map information stored in the map information storage unit 14, the current position of the vehicle calculated using the current position detection unit 12, and the destination set by the user. Search for the optimal travel route to. For example, the route search unit 13 searches for a link from a road node corresponding to the current position to a node corresponding to the destination by a technique such as the Dijkstra method, and accumulates the link length (link cost) and the required time. Then, a route having the shortest total link length (travel distance) or total required time is searched for as a travel route.

The map information storage unit 14 stores map information including road data, building data, background data, and text data for searching for a moving route of a vehicle. The map information may be acquired from an external map information providing server (not shown) and temporarily stored in the map information storage unit 14.

The road data is composed of node data in which roads are nodes such as inflection points and branch points, and link data in which routes connecting the respective nodes are links. The node data includes node attributes such as node numbers, node position coordinates (latitude / longitude), intersection information and information indicating intersection names, and the number of connection links and connection link numbers.

Link data includes node numbers that are the start and end points of links, road types for distinguishing expressways, ordinary roads, streets, etc., distances and / or required times between nodes, and road names such as national highways. It is comprised including. In addition to the above, data such as bridges, tunnels, railroad crossings, toll booths, parking lots, etc. are added to the link data. The building data includes position coordinates (latitude / longitude) composed of at least three points of the building, types of buildings such as buildings and private houses, and display color data. The background data includes data of position coordinates (latitude / longitude) including at least three points serving as background image information such as sea areas, lakes, river shapes, and forests, and display colors. The text data includes characters (names) such as place names and river names, and data of their coordinates (latitude / longitude).

The list information storage unit 15 stores list information including name and position information of various facilities (POI) displayed on the display 18 such as public facilities, stores, gas stations, and other facilities arbitrarily registered by the user. To do.

When the user selects a desired facility from the list displayed on the display 18, the scale calculation unit 16 calculates the scale of the map image that can simultaneously display all the facilities displayed in the list.

The operation display unit 19 includes a menu screen, a list of various facilities, a location of the facility, a current position and map image of the vehicle, a searched movement route, and the like, and a touch panel 17 that detects an operation instruction by the user. Composed. By operating the touch panel 17, the user can update, for example, a list of a plurality of facilities displayed on the display 18, and can select a desired facility from the displayed list. Therefore, the operation display unit 19 functions as a list update unit and a facility selection unit.

The speaker 20 outputs necessary voice guidance to the user according to the map image displayed on the display 18 of the operation display unit 19 and the route searched by the route search unit 13.

The navigation device 10 of the present embodiment is basically configured as described above. Next, the operation of the navigation device 10 will be described according to the flowchart shown in FIG.

When the navigation apparatus 10 is turned on, the current position detection unit 12 receives a satellite signal including time information from a GPS satellite under the control of the control unit 11 and calculates the current position of the vehicle. Next, for example, as illustrated in FIG. 3, the control unit 11 includes a map 27 including a map image 25 including a mark 24 indicating the calculated current position of the vehicle and a plurality of facility tags 26 displaying the names of facilities. And a scroll bar 28 for updating the list 27 is displayed on the display 18 (step S101). In this case, the facility tag 26 displayed in the list 27 can be extracted from the list information storage unit 15 and displayed in the order close to the current position of the vehicle detected by the current position detection unit 12, for example.

When the desired facility is not displayed on the list 27 of the display 18, the user operates the scroll bar 28 (step S102, YES), and updates the list 27 (step S103). FIG. 4 shows the display 18 with the list 27 updated. In this case, the map image 25 is in the same state as in FIG. 3 and is not updated. Therefore, since the control unit 11 is not subjected to a load due to the update process of the map image 25, the user can smoothly update the list 27, that is, scroll.

Note that various modes can be adopted as a method of updating the list 27. For example, when the scroll bar 28 is operated from the state of FIG. 3, a method of replacing all four displayed facility tags 26 with four new facility tags 26, or the facility tag 26 displayed at the bottom level. (“DDD department store”) can be displayed on the top row, and the remaining three can be replaced with new facility tags 26. Further, as a method for updating the list 27, it is possible to use a method in which the list 27 is directly flicked and scrolled instead of operating the scroll bar 28.

The facility tag 26 relating to the desired facility is displayed in the list 27. When the user operates the touch panel 17 to select the transfer tag 26 (YES in step S104), the selected facility tag 26 is highlighted. FIG. 5 shows a state where the facility tag 26 of “shopping mall EEE” is selected by the user and the facility tag 26 is determined and displayed.

When the desired facility tag 26 is selected, the scale calculation unit 16 calculates the scale of the map image that can simultaneously display the facilities related to all the facility tags 26 displayed in the list 27 and the current position of the vehicle. (Step S105). Next, the control unit 11 processes the map information at the scale calculated in step S105, and as shown in FIG. 5, the facilities for all the facility tags 26 displayed in the list 27 and the current position of the vehicle are displayed. A map image 29 including the mark 24 to be shown is displayed on the display 18 (step S106). In addition, the position of the facility concerning the facility tag 26 selected by the user is displayed on the map image 29 by the mark 30.

In this way, the user can easily grasp the position of the desired facility relative to the current position by simultaneously displaying all the facilities related to the facility tag 26 displayed in the list 27 and the current position of the vehicle on the display 18. can do.

In the map image 29 shown in FIG. 5, a map image 29 including the facilities related to all the facility tags 26 displayed in the list 27 and the mark 24 indicating the current position of the vehicle is displayed on the display 18. However, as shown in FIG. 6, the map image 31 may be displayed so that the facility (mark 31) selected by the user is at the center of the image. In this case, the scale of the map image 29 shown in FIG. 5 is generally different from the scale of the map image 31 shown in FIG. In addition, the map image 29 or 31 may not display the current position of the vehicle, but may display only the facilities related to all the facility tags 26.

Next, when the user operates the determination button 32 displayed on a part of the map image 29 or 31 (step S107, YES), the control unit 11 displays the current position of the vehicle on the display 18 and the vicinity of the selected facility. The map is displayed and the facility selected by the user is set as the destination (step S108). Note that the user can repeat the process of updating the list 27 and displaying the other facility tag 26 on the display 18 without operating the enter button 32 (step S107, NO).

In step S108, when the selected facility is set as the destination, the route search unit 13 selects the optimum location from the current position of the vehicle to the destination based on the map information stored in the map information storage unit 14. A travel route is searched (step S109). The searched route is displayed on the display 18 together with the map image. In this case, it is not necessary to display all the facilities displayed in the list 27 in the map image, and it is sufficient that the current position of the vehicle, the destination, and the searched route are displayed.

When the user drives the vehicle according to the displayed route, the current position detection unit 12 sequentially detects the current position of the vehicle, and the control unit 11 displays the current position of the vehicle along with the searched route on the display 18. Let In this way, the user can move to the destination according to the displayed route.

The above processing is appropriately performed until the navigation device 10 is turned off (step S110).

As described above, according to the navigation device 10 of the present embodiment, while the list 27 is updated until a desired facility is displayed, the processing of the map image is not performed while the user updates the list 27 without stress. Processing can be performed smoothly. Then, when a desired facility is selected from the updated list 27, the map image is processed to display a map image including all the facilities displayed in the list and confirm the position of the desired facility. it can.

In addition, this invention is not limited to the Example mentioned above, It can change in the range which does not deviate from the summary of this invention.

DESCRIPTION OF SYMBOLS 10 ... Navigation apparatus 11 ... Control part 12 ... Current position detection part 13 ... Path | route search part 14 ... Map information storage part 15 ... List information storage part 16 ... Scale calculation part 17 ... Touch panel 18 ... Display 19 ... Operation display unit 20 ... Speakers 25, 29, 31 ... Map image 26 ... Facility tag 27 ... List 28 ... Scroll bar 32 ... Decision button

Claims (5)

In a navigation apparatus having a function of displaying facility images indicating a plurality of facilities displayed in a list on a map image,
A display unit for displaying the list of facilities and the map image;
A list update unit for updating the list;
A facility selector for selecting the desired facility from the list;
When the facility is selected, a control unit that updates the map image displayed on the display unit;
A navigation device comprising:   The navigation device according to claim 1, wherein when the facility is selected, the control unit performs control to display the map image centered on the selected facility on the display unit.   A scale calculating unit that calculates a scale of the map image capable of displaying all the facilities displayed in the list, and when the facility is selected from the list, the control unit is displayed in the list The navigation apparatus according to claim 1, wherein control is performed to display the map image including all the facilities on the display unit at the calculated scale. It has a current position detector that detects the current position,
The navigation device according to any one of claims 1 to 3, wherein the control unit performs control to display the map image including the current position on the display unit. A route search unit for searching for a route from the current position to the selected facility;
The navigation device according to claim 4, wherein the control unit performs control to display the route on the display unit.

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