JP2012242305A - Portable terminal device, and method and program for route display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suitably perform route display when moved from a departure place to a destination with a degree of freedom.SOLUTION: By display means, a map image based on map information read-out from a storage part is displayed on a display screen. The setting input of a destination and departure place on the map image displayed on the display screen is received by setting input reception means. Positions of the destination and departure place on the map image received by the setting input reception means are detected by position detection means. A straight line connecting between positions of the destination and the departure place on the map image detected by the position detection means is displayed on the map image.

Description

  The present invention relates to a mobile terminal device such as a mobile phone terminal, and more particularly to route display on a map image displayed on a display screen.

  For example, as shown in Patent Document 1 (Japanese Patent Laid-Open No. 2001-91292) and Patent Document 2 (Japanese Patent Laid-Open No. 2002-107169), a terminal displays a map on a display screen, One that can display a route to a destination is known.

  That is, for example, Patent Document 1 shows a system that includes a portable terminal and a map information providing site, acquires map information from the map information providing site, and displays the map information on a display screen. In the system of Patent Document 1, when a terminal user sets a departure point and a destination and requests a route search, a road between the departure point and the destination point from the route setting site. It is disclosed that the route information of the route along the route can be sent and the route can be displayed on the display screen of the terminal on the map.

JP 2001-91292 A JP 2002-107169 A

  As described above, conventionally, a route created by a route setting site in response to a route search request is a detailed route along a road between a departure point and a destination. This is a route composed of routes recommended by the route setting site. Therefore, it is very convenient for a user who goes directly from the departure place to the destination without going anywhere, because it is only necessary to move along the recommended route.

  However, some users do not use the recommended route as it is, but there are people who want to move while selecting a side road or another way as appropriate. And when the user actually moves off the recommended route and heads for the destination from that point, it may be possible to make a route search request to the destination again with the point as the departure point. Then, a communication charge is required again, and the cost increases.

  Therefore, the user relies on the recommended route, such as returning to the recommended route presented on the display screen, and moves to the destination. However, in that case, depending on the relationship between the recommended route and the position outside the recommended route, if you select a travel route based on the recommended route, such as returning to the recommended route, On the other hand, it may be a detour.

  An object of this invention is to provide the portable terminal device which can solve the above problem.

In order to solve the above problems, the invention of claim 1
Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Position detecting means for detecting a position on the map image of the destination and the starting point received by the setting input receiving means;
Straight line route display means for displaying on the map image a straight line connecting the destination detected by the position detection means and the position of the departure place on the map image;
A mobile terminal device comprising:

  According to the first aspect of the present invention, the set destination and the set starting point are displayed on the map image by the straight line display means by the straight line display means. That is, an index line that connects the destination and the departure point with the shortest route regardless of the presence or absence of a road is displayed on the map image. The user can always move to the destination by relying on the index line which is the shortest route between the destination and the departure point, which is convenient.

The invention of claim 6
Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Current location detection means for detecting the current location;
Position detection means for detecting the location on the map image of the current location detected by the destination and the departure location received by the setting input reception means, and the current location detection means;
Route display means for displaying on the map image a route that connects the destination detected by the position detection means and the position of the departure place on the map image;
Straight line display means for displaying a straight line connecting the current position detected by the position detection means and the position of the destination on the map image on the map image;
A mobile terminal device comprising:

  According to the sixth aspect of the present invention, in addition to the route connecting the destination and the starting point, the current location and the destination are connected by a straight line and displayed on the map image by the straight line display means. The That is, an index line indicating the direction from the current location to the departure location is displayed on the map image. In addition to the route connecting the destination and the departure point, the user can move to the destination by using an index line that is a direction from the current location to the destination, which is convenient.

  According to the present invention, the user can conveniently move to the destination by relying on the index line that is the shortest route between the destination and the departure point.

  Further, according to the present invention, the route between the destination and the departure point is displayed on the map, and it is possible to move to the destination depending on the index line that is the direction from the current location to the destination. It is convenient.

It is a block diagram which shows the hardware structural example of the mobile telephone terminal as embodiment of the portable terminal device of this invention. It is a figure for demonstrating an example of the acquisition method of map information and an application program. It is a figure for demonstrating the map information used by embodiment. It is a functional block diagram of the principal part of embodiment of the portable terminal device of this invention. It is a figure used in order to demonstrate the example of the route creation function in embodiment of the portable terminal device of this invention. It is a figure used in order to demonstrate the example of the route creation function in embodiment of the portable terminal device of this invention. It is a figure used in order to demonstrate the example of the route creation function in embodiment of the portable terminal device of this invention. It is a figure used in order to demonstrate the example of the route creation function in embodiment of the portable terminal device of this invention. It is a figure used in order to demonstrate the example of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure which shows a part of flowchart for demonstrating the example of the flow of a process of the route creation function in embodiment of the portable terminal device of this invention. It is a figure for demonstrating the principal part of embodiment of the portable terminal device of this invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings, taking as an example the case where the mobile terminal device is a mobile phone terminal.

[Hardware configuration example of mobile phone terminal as an example of mobile terminal device]
FIG. 1 is a diagram showing a hardware configuration example of the mobile phone terminal 1 of this embodiment. The cellular phone terminal 1 of this embodiment is configured by mounting a microcomputer, and a CPU 101, a ROM 102, a RAM 103, a wireless communication unit 104, a transmission / reception signal processing unit 105, and a call voice processing unit 106 with respect to the system bus 100. The display memory 107, the display control unit 108, the operation input unit interface 109, the memory 110, the external memory drive 111, and the GPS position measurement unit 112 are connected to each other.

  The CPU 101 executes various processes executed by the cellular phone terminal 1 as software processes by using the RAM 103 as a work area in accordance with a program stored in the ROM 102. In this example, the ROM 102 has various programs such as a program for telephone communication, a browser function program for accessing the server device via the Internet, sending and receiving data to and from the server device, and displaying received information. The program is stored.

  The wireless communication unit 104 is used to perform telephone communication with the other party through a base station of a mobile phone network, and to perform data communication with a server device or the like through the Internet connected through the mobile phone network.

  The transmission / reception signal processing unit 105 analyzes the communication information received through the wireless communication unit 104 under the control of the CPU 101, decodes the call control message and the call voice signal, and sends them to the system bus 100 or obtains them from the server device. Received signal processing for sending the received data to the system bus 100 is performed. In addition, the transmission / reception signal processing unit 105 generates a transmission signal such as a call control message or a transmission voice signal to the other party of the call transmitted through the wireless communication unit 104 or data to be transmitted to the server device under the control of the CPU 101. .

  The call voice processing unit 106 converts received voice information from the transmission / reception signal processing unit 105 from a digital signal to an analog signal under the control of the CPU 101, and supplies the converted signal to the amplifier 121. The received voice signal supplied to the amplifier 121 is supplied to the speaker 122 for sound reproduction. The call voice processing unit 106 also converts the transmission voice signal picked up by the microphone 123 and amplified by the amplifier 124 from an analog signal to a digital signal, and sends it to the transmission / reception signal processing unit 105 under the control of the CPU 101. Supply.

  The display memory 107 is connected to a display 115 made of, for example, an LCD (Liquid Crystal Display). The display control unit 108 is connected to the display memory 107 and the display 115, and the display control unit 108 rewrites the storage contents of the display memory 107 under the control of the CPU 101, thereby displaying the display 125 on the display 125. The display image on the screen is changed.

  An operation input unit 126 including a numeric keypad, up / down / left / right direction keys, and an enter key is connected to the operation input unit interface 109. The operation input unit interface 109 sends operation input information corresponding to an operation instruction input by the user through the operation input unit 126 to the system bus 100.

  The memory 110 is a storage unit that stores various data. In this example, the memory 110 is provided with a map information storage unit 110M, and an application program storage unit 110A is provided as a predetermined storage area. In this example, the map information storage unit 110M stores map information acquired from the server device through the Internet, as will be described later. In this example, the application program storage unit 110A stores a route display application program acquired from the server device.

  An external memory connector 127 is connected to the external memory drive 111. The external memory drive 111 reads / writes data from / to an external memory such as a card-type memory attached to the external memory connector 127.

  The GPS position measurement unit 112 has a function of receiving radio waves from GPS satellites, detecting latitude and longitude as position information of the current location of the mobile phone terminal 1, and sending the position information to the system bus 100.

[About route display]
In this embodiment, a user who intends to use the route display function first accesses the map information providing server 3 through the Internet 2 by the mobile phone terminal 1 as shown in FIG. Then, the user requests the map information providing server 3 to download the map information of a desired area through the mobile phone terminal 1, and sends the downloaded map information of the desired area to the mobile phone terminal 1. Stored in the map information storage unit 110M of the memory 110. In this example, the user requests the map information providing server 3 to download the route display application program through the mobile phone terminal 1, and stores the downloaded route display application program in the memory 110. In the application program storage unit 110A.

  In this embodiment, as described above, the route information downloaded in advance from the map information providing server 3 and stored in the map information storage unit 110M is used, and the route stored in the application program storage unit 110A is used. A display application is used to display a map image and create a route.

  By the way, the conventional map information includes information on the latitude and longitude of each point on the map and has a large amount of information. On the other hand, the storage capacity of the memory 110 is smaller than the storage capacity of a main memory such as a hard disk such as a personal computer. For this reason, if the conventional map information is stored as it is in the map information storage unit 110M of the memory 110, there is a possibility that the map information of a wide area cannot be stored.

  In view of this point, in this embodiment, the map information provided from the map information providing server 3 has a reduced data capacity.

  That is, in this embodiment, the map information provided from the map information providing server 3 divides the map into predetermined rectangular areas AR as shown in FIG. 3, and the latitude and longitude position information is the rectangular area. It is assumed that only the four corner points Pij (i = 0, 1, 2,..., J = 0, 1, 2,...), Pi, j + 1, Pi + 1, j, Pi + 1, j + 1 have the amount of information. Is reduced.

  The map information in each rectangular area AR is, for example, display information for a map image having the same information content as a paper map, and the map image display information is compressed to reduce the amount of data. Is also possible. However, also in this example, like the conventional map information, the map information of each rectangular area AR is made up of information for displaying a plurality of map images corresponding to the scale.

  By reducing the amount of data in this way, even in the memory 110 having a small capacity, the map information storage unit 110M can store map information of a relatively wide area composed of a plurality of rectangular areas AR. It is.

<Processing operation of route display application program>
The processing functions of the main part executed by the route display application program stored in the application program storage unit 110A of the memory 110 are shown in FIG. 4 as functional blocks. Here, each functional block represents a software function process performed by the CPU 101 by executing the route display application program as a block.

  That is, as shown in FIG. 4, the route display application program includes an operation input determination unit 201, a display map image generation unit 202, a map display unit 203, and a setting input reception unit 204 as functional units of the main part. A position detection unit 205, a straight route creation unit 206, a destination direction straight line creation unit 207, and a current location detection unit 208. The setting input receiving unit 204 includes a destination setting receiving unit 2041, a departure point setting input receiving unit 2042, and a waypoint setting receiving unit 2043. The position detection unit 205 includes a destination position detection unit 2051, a departure point position detection unit 2052, and a waypoint position detection unit 2053.

  The operation input determination unit 201 accepts a function selection input from the function menu displayed on the display screen 125D and the operation input of the up / down / left / right direction keys through the operation input unit 126, and responds to the received operation input. Send instruction information to each required part.

  The display map image generation unit 202 reads the map information of the designated rectangular area AR from the map information storage unit 110M according to the instruction information from the operation input determination unit 201. Then, the display map image generation unit 202 provides the map display unit 203 with information about the map image for the display screen 125D of the display 125. The map display unit 203 controls the display memory 107 to display the map image information on the display memory 107 and displays the map image on the display screen 125D of the display 125.

  In this case, the map information of each rectangular area AR includes display information of a map image corresponding to an area wider than the area displayed on the display screen 125D of the display 125, as shown in FIG. A center mark Cm as indicated by a dotted line in the figure is displayed at the center of the display screen 125D. In displaying the map image on the display screen 125D, the map image reading unit 202 determines the position Pc of the center mark Cm in the rectangular area AR and displays it on the display screen 125D with the position Pc as the center. The area of the map image to be cut out from is determined. Then, the map image reading unit 202 cuts out the map image information of the determined area from the rectangular area AR and supplies it to the map display unit 203 so that the map image of the area is displayed on the display screen 125D. To do.

  Initially, the position Pc of the center mark Cm is set to the center position of the rectangular area AR. The display map image generation unit 202 holds information on the position Pc of the center mark Cm in the rectangular area AR. In this example, the display map image generation unit 202 holds the information on the position Pc as, for example, latitude and longitude information calculated from the latitude and longitude information at the four corners of the rectangular area AR.

  When the user operates the up / down / left / right direction keys of the operation input unit 126 while the map image is displayed on the display screen 125D, the operation input determination unit 201 detects the operation input and performs the instruction operation. The map image reading unit 202 is notified of information on the selected direction. The map image reading unit 202 moves the position of the center mark Cm in the rectangular area AR in the direction in which the instruction operation is performed, and determines the area to be displayed on the display screen 125D after the movement. Then, the display map image generation unit 202 supplies the map display unit 203 with information on the map image of the determined area. As described above, the map image displayed on the display screen 125D is scrolled and displayed in the direction instructed by the user.

  In FIG. 5, it is described that the display screen 125D moves in the direction of the arrow in the rectangular area AR. However, the display screen 125D does not actually move, but the map of the rectangular area AR with respect to the display screen 125D. The image moves relatively.

  Then, when the display map image generation unit 202 detects that the position of the center mark Cm has moved from one rectangular area AR to an adjacent rectangular area AR in response to a movement direction instruction from the operation input determination unit 201. The map information of the adjacent rectangular area AR in the designated direction is read from the map information storage unit 110M. Then, the map image of the display area centered on the position of the center mark Cm is cut out from the adjacent rectangular area AR and supplied to the map display unit 203 to switch the map image on the display screen.

  In this embodiment, the map image displayed on the display screen 125D can be enlarged or reduced, that is, the scale of the map image can be changed. That is, when the operation input determination unit 201 receives an enlargement or reduction instruction (scale instruction) through the operation input unit 126, the operation input determination unit 201 supplies the instructed scale to the display map image generation unit 202.

  When the designated scale change is small, the display map image generation unit 202 changes the map information of the read-out rectangular area AR of the scale, for example, by thinning out or interpolating the number of pixels, as shown in FIG. Thus, the image is enlarged or reduced as indicated by an arrow in FIG. 6, and information on the enlarged map image or information on the reduced map image is supplied to the map display unit 203.

  Further, when the indicated scale is large, the display map image generation unit 202 reads a map image of another scale corresponding to the instructed scale from the map information storage unit 110M. Then, the display map image generation unit 202 generates information of the enlarged map image or the reduced map image of the designated scale using the newly read map information of the rectangular area AR of the reduced scale, and the map display unit 203. To supply.

  As described above, the map image on the display screen 125D is displayed at a scale corresponding to the user's enlargement or reduction instruction.

  Next, in the route display application of this embodiment, “Create route”, “Create favorite route”, and “Start positioning” are prepared as function items. “Create route” is a function item for setting a destination and a starting point and creating a route connecting the set points with a straight line. “Favorite route creation” is a function item that creates a route from the departure point to the destination via the route point by arbitrarily setting a route point for the straight route created in “Route creation”. is there. “Start positioning” is a function item that measures the current location and displays a straight line connecting the current location and the destination on the map image in addition to the created route.

  First, when “route creation” is selected by the user through the operation input unit 126, the map display unit 203, for example, sets “destination destination” based on the operation information from the operation input determination unit 201. Please display "message on the display screen 125D. Therefore, the user moves the map image displayed on the display screen 125D, or enlarges or reduces it so that the center mark Cm is positioned at the destination position. Then, the user operates the enter key of the operation input unit 126 while the center mark Cm is located at the destination position.

  Then, the operation input determination unit 201 notifies the destination setting reception unit 2041 that the determination key has been operated for the destination setting. Receiving this notification, the destination setting receiving unit 2041 notifies the destination position detecting unit 2051 that the destination has been set. Upon receiving this notification, the destination position detection unit 2051 receives position information (latitude and longitude) of the center mark Cm from the display map image generation unit 202, and the position information of the center mark Cm is shown in FIG. As shown, it is detected as position information of the set destination PG. Then, the destination position detecting unit 2051 supplies the position information of the destination PG to the straight line route creating unit 206.

  The operation input determination unit 201 also supplies the map display unit 203 with a notification that the enter key has been operated for setting the destination. Upon receiving this notification, the map display unit 203 displays, for example, a message “Please set a departure place” on the display screen 125D. Therefore, the user moves the map image displayed on the display screen 125D, or enlarges or reduces it so that the center mark Cm is positioned at the destination position. Then, the user operates the enter key of the operation input unit 126 while the center mark Cm is located at the destination position.

  Then, the operation input determination unit 201 notifies the departure point setting reception unit 2042 that the determination key has been operated for the destination setting. Upon receiving this notification, the departure point setting reception unit 2042 notifies the departure point position detection unit 2052 that the departure point has been set. Upon receiving this notification, the departure point position detection unit 2052 receives position information (latitude and longitude) of the center mark Cm from the display map image generation unit 202, and the position information of the center mark Cm is shown in FIG. As shown, it is detected as position information of the set departure point PS. Then, the departure point position detection unit 2052 supplies the position information of the departure point PS to the straight line route creation unit 206.

  The straight route creation unit 206 generates information on a straight route connecting the destination PG and the departure point PS, and supplies the generated straight route information to the display map image generation unit 202 together with the position information of the destination and the departure point. To do. The display map image generation unit 202 generates an image in which a straight line connecting the destination and the departure point is superimposed on the map image displayed on the display screen 125D, and supplies the generated image to the map display unit 203. Accordingly, as shown in FIG. 7C, a map image in which a straight route Lsg connecting the destination PG and the departure place PS is superimposed is displayed on the display screen 125D.

  Next, when “favorite route creation” is selected by an operation through the operation input unit 126 by the user, the map display unit 203, for example, selects “route point” based on the operation information from the operation input determination unit 201. Please set the message "on the display screen 125D.

  Therefore, the user moves the map image displayed on the display screen 125D, or enlarges or reduces the map image so that the center mark Cm is positioned at the waypoint candidate position. That is, in this embodiment, the position of the center mark Cm until the setting of the candidate place is confirmed is the position of the candidate for the waypoint.

  Until the operation input determination unit 201 detects that the determination key of the operation input unit 126 has been pressed, the operation input determination unit 201 sends a movement notification of the center mark Cm to the map image to the waypoint position detection unit 2053 through the waypoint setting reception unit 2043. Notice. Upon receipt of the movement notification of the center mark Cm, the waypoint position detection unit 2053 acquires the position information of the center mark Cm at that time from the display map image generation unit 202, and creates a straight route as the position information of the waypoint candidate. To the unit 206.

  When receiving the location information of the waypoint candidates, the straight route creation unit 206 connects the departure point PS and the waypoint candidates with a straight line instead of the straight route that connects the destination PG and the departure point PS. Information on the broken line route that connects the candidate and the destination PG with a straight line is generated, and the generated broken line route information is supplied to the display map image generation unit 202 together with the position information of the destination, departure point, and waypoint candidate.

  The display map image generation unit 202 generates an image in which the map image displayed on the display screen 125D is superimposed with a broken line route that sequentially connects the starting point PS, the waypoint (passage point candidate) Pv1, and the destination PG in a straight line. This is supplied to the display unit 203. As a result, as shown in FIG. 8A, the display screen 125D includes a straight line Lsv that connects the departure point PS and the waypoint (passage point candidate) Pv1, a route point (passage point candidate) Pv1, and the destination PG. A map image in which a broken line route composed of the straight line Lvg1 connecting the two is superimposed is displayed.

  Then, when the position of the center mark Cm on the map image is changed by the movement operation of the map image by the user, the position of this waypoint (passage point candidate) Pv1 is changed, so that FIG. The broken line route shown is changed with the change of the position of the center mark Cm on the map image, that is, the waypoint candidate Pv1.

  Then, when the operation input determination unit 201 is notified that the determination key of the operation input unit 126 has been pressed, the connection point setting reception unit 2043 determines the connection point Pv1 to the connection point position detection unit 2053. Send notifications. When the waypoint position detection unit 2053 obtains the notification of determination of the waypoint Pv1, the position information (latitude, longitude) of the center mark Cm at that time is stored as the position information of the waypoint Pv1, and a straight route is created. To the unit 206. Therefore, the position of the waypoint Pv1 is fixed by the held position information.

  Next, the user further moves the map image displayed on the display screen 125D, enlarges or reduces the center mark Cm at the position of the next waypoint candidate, and presses the enter key. By operating, the next waypoint Pv2 is similarly set.

  That is, the waypoint setting reception unit 2043 notifies the waypoint position detection unit 2053 of the movement notification of the center mark Cm with respect to the map image until the determination key of the operation input unit 126 is pressed. Upon receiving the movement notification of the center mark Cm, the waypoint position detection unit 2053 acquires the position information of the center mark Cm at that time from the display map image generation unit 202, and the position information of the waypoint (passage point candidate) Pv2 As shown in FIG.

  When receiving the position information of the route point (route point candidate) Pv2, the straight route creation unit 206 replaces the straight line Lvg1 connecting the route point Pv1 and the destination PG in the broken line route shown in FIG. 8A. As shown in FIG. 8B, the route Pv1 and the route point (route point candidate) Pv2 are connected by a straight line, and the route point (route point candidate) Pv2 and the destination PG are connected by a straight line. The information of the generated broken line route is supplied to the display map image generation unit 202 together with the position information of the destination PG, the departure point PS, the waypoint Pv1, and the waypoint candidate Pv2.

  The display map image generation unit 202 generates an image in which a map line displayed on the display screen 125D is superimposed with a broken line route that sequentially connects a starting point PS, a waypoint Pv1, a waypoint candidate Pv2, and a destination PG in a straight line. This is supplied to the display unit 203. Thereby, on the display screen 125D, as shown in FIG. 8B, a straight line Lsv connecting the departure point PS and the waypoint Pv1, and a straight line Lv12 connecting the waypoint Pv1 and the waypoint (passage point candidate) Pv2. And a map image in which a broken line route composed of a straight line Lvg2 connecting the transit point (route point candidate) Pv2 and the destination PG is superimposed is displayed.

  Then, when the position of the center mark Cm on the map image is changed by the movement operation of the map image by the user, the position of the waypoint (passage place candidate) Pv2 is changed, so that it is shown in FIG. The broken line route is changed in accordance with the change of the position of the center mark Cm on the map image, that is, the waypoint candidate Pv2.

  Then, when the operation input determination unit 201 is notified that the determination key of the operation input unit 126 has been pressed, the connection point setting reception unit 2043 determines the connection point Pv2 to the connection point position detection unit 2053. Send notifications. When the waypoint position detection unit 2053 obtains the notification of determination of the waypoint Pv2, the position information (latitude, longitude) of the center mark Cm at that time is stored as the position information of the waypoint Pv2, and a straight route is created. To the unit 206. Therefore, the position of the waypoint Pv2 is fixed by the held position information.

  Any number of waypoints can be set sequentially as described above. In the above-described example, the waypoints are set in the order of passing. However, it is also possible to set the waypoints to be routed first so that the order of the waypoints is determined later.

  As described above, in this embodiment, as shown in FIG. 7C, the route between the destination and the departure point is not a route along the road but between the destination and the departure point. A straight route connecting the two lines with a straight line is displayed on the map image. This straight route is an indicator line indicating the shortest route between the destination and the starting point, and the user relies on the straight route of the indicator line that is the shortest route between the destination and the starting point. You can move to your destination. Therefore, even if there is a recommended route, it is very convenient for a user who wants to move while departing from the recommended route.

  Moreover, according to this embodiment, a route can be created on a map without searching for a route. Since there is no need to search for a route, a route can be created even if the route information is not included in the map information.

  In the above-described embodiment, a waypoint can be freely set between the departure point and the destination, and between the departure point and the waypoint, between the waypoint and the waypoint, and the waypoint. A straight route as an index line indicating the shortest route is also displayed between the destination and the destination.

  Therefore, it is very convenient for a user who wishes to move freely between a departure point and a destination via a desired waypoint. In addition, the user can easily set a facility (point) or a road that the user wants to pass through while checking the map image.

Next, the function item of “positioning start” will be described.
In other words, when “positioning start” is selected from the menu list by an operation through the operation input unit 126 by the user, the operation input determination unit 201 activates the current location detection unit 208 based on the operation information. The current location detection unit 208 acquires location information (latitude, longitude) of the current location measured by the GPS location measurement unit 112 and supplies the acquired location information of the current location to the destination direction straight line creation unit 207. The destination direction straight line creation unit 207 is also supplied with the position information of the destination detected by the destination position detection unit 205.

  When the destination direction straight line creation unit 207 receives the position information of the current location, as shown in FIG. 9 (A), the current location Ph and the destination PG are obtained using the already acquired location information of the destination. Information on the connecting straight line LD is generated. Then, the destination direction straight line creation unit 207 supplies the generated straight line LD information to the display map image generation unit 202 together with the position information of the destination PG and the current location Ph.

  The display map image generation unit 202 adds the current location Ph and the destination PG to the map image displayed on the display screen 125D in addition to the broken line route that sequentially connects the departure point PS, the transit points Pv1, Pv2, and the destination PG in a straight line. An image in which the connecting line LD is superimposed is generated and supplied to the map display unit 203. Accordingly, on the display screen 125D, as shown in FIG. 9A, in addition to the broken line route created by “route creation”, a straight line LD serving as an index indicating the direction of the destination PG from the current location Ph is displayed. The superimposed map image is displayed.

  When “positioning is started”, the current position detection unit 208 changes the position of the straight line LD according to the momentary change of the current position of the user who is carrying the mobile phone terminal 1 and moving. . That is, when the current position detected by the current position detection unit 208 moves from the position Ph to the position Ph ′, as shown in FIG. 9B, the straight line LD also moves in accordance with the movement of the current position. .

  As described above, in the “positioning start” function item in this embodiment, the current location and the destination are connected by a straight line and displayed on the map image. Accordingly, in the positioning disclosure mode, the index line of the straight line LD indicating the direction from the current location to the departure location is always displayed on the map image. This makes it possible for the user to move to the destination by relying on the index line indicating the direction from the present location to the departure location, which is convenient.

  Furthermore, in the above-described embodiment, in addition to the straight route connecting the destination and the departure point and the broken line route including the waypoint, a straight index line indicating the direction of the departure point from the current location is displayed. Therefore, by referring to both, the moving user can easily determine what route should be selected, which is very convenient and convenient. Further, when a straight route or a broken line route is displayed on the map image, it is convenient because the positional relationship between the current location and the departure location and the current location and the waypoint is also known.

  Next, an example of the flow of processing by the route display application program in this embodiment is shown in the flowcharts of FIGS. The processing of each step in this flowchart is executed by the CPU 101 using the RAM 103 as a work area while obtaining assistance from the processing of the program in the ROM 102 in accordance with the route display application program stored in the application program storage unit 110A. .

  First, the CPU 101 determines whether or not there has been an instruction to activate the route display function (step S1). If it is determined in step S1 that there is an instruction to activate the route display function, the CPU 101 activates the route display application program in the application program storage unit 110A, accepts selection of a map by the user (step S3), and accepts it. The map information of the map image is read from the map information storage unit, and the map image is displayed on the display screen 125D (step S4).

  In step S3, the CPU 101 can select “search from current location”, “search from registered location”, and “search from map” as a selector for the map to be displayed. Here, when “Search from the current location” is selected, the CPU 101 detects the current location by the GPS position measurement unit, and displays a map centered on the detected current location. When “Search by registered location” is selected, the CPU 101 prompts the user to select a registered location for which display is requested from the stored registered locations, and displays a map centered on the selected registered location. indicate. When “Search from map” is selected, the CPU 101 displays a list of country names, region names, and the like stored in the map, and displays a map selected by the user from the list.

  Next, the CPU 101 monitors the operation information of the operation input unit 126 to determine whether a menu display button including an icon button on the display screen has been operated (step S5), and the menu display button has not been operated. If it is determined, the process returns to step S4. If it is determined in step S5 that the menu display button has been operated, a menu screen is displayed on the display screen 125D (step S6).

  Next, the CPU 101 monitors the operation information of the operation input unit 126 and determines whether or not “route creation” is selected from the menu screen (step S7). When it is determined in this step S7 that “Create route” is not selected, the CPU 101 determines whether or not other items are selected (step S8), and determines that no other items are selected. If so, the process returns to step S7, and if it is determined that another item has been selected, the routine proceeds to a routine for executing the selected item (step S9).

  When it is determined in step S7 that “route creation” has been selected, the CPU 101 displays a message for urging the destination to be set on the display screen 125D (step S10). Next, the CPU 101 accepts selection of a map by the user as in step S3 (step S11), and displays the accepted map on the display screen 125D (step S12).

  Next, the CPU 101 monitors the operation information of the operation input unit 26 and determines whether an instruction to enlarge or reduce the map image has been received (step S21 in FIG. 11). When it is determined in this step S21 that an instruction for enlarging or reducing the map image has been received, the CPU 101 performs an enlargement or reduction process of the map image according to the instructed scale as described above (step S22). In this enlargement or reduction process, as described above, the map information of the instructed scale is read from the map information storage unit 110M as necessary, and the map information in accordance with the instructed scale is read using the read map information. Enlarge or reduce the map image.

  When it is determined in step S21 that an instruction for enlarging or reducing the map image has not been received, or after the map image enlarging or reducing process in step S22 is completed, the CPU 101 passes the operation input unit 126. It is determined whether or not an operation input for moving the map image has been received (step S23). If it is determined that the map input has been received, the map image is moved in the moving direction instructed by the moving operation (step S24). At this time, as described above, the map information of the rectangular area adjacent to the moving direction is read from the map information storage unit 110M as necessary, and a map image is displayed on the display screen 125D using the read map information. Like that.

  If it is determined in step S23 that an operation input for moving the map image has not been accepted, and after the map image moving process is completed in step S24, whether the destination has been set, that is, the destination It is determined whether or not the enter key has been operated for setting (step S25). When it is determined in step S25 that the destination is not set, the CPU 101 returns the process to step S21 and repeats the processes after step S21.

  If it is determined in step S25 that the destination has been set by operating the enter key, the CPU 101 detects the position of the set destination on the map and holds the position information (step S26).

  Next, the CPU 101 displays a message for prompting the setting of the departure place (step S27). And CPU101 receives selection of the map by a user similarly to step S3 (step S28), and displays the received map on display screen 125D (step S29).

  Next, the CPU 101 monitors the operation information of the operation input unit 26 and determines whether or not an instruction to enlarge or reduce the map image has been received (step S30). When it is determined in this step S30 that an instruction to enlarge or reduce the map image has been received, the CPU 101 performs an enlargement or reduction process of the map image according to the instructed scale as described above (step S31). In this enlargement or reduction process, as described above, the map information of the instructed scale is read from the map information storage unit 110M as necessary, and the map information in accordance with the instructed scale is read using the read map information. Enlarge or reduce the map image.

  When it is determined in step S30 that an instruction for enlarging or reducing the map image has not been received, or after the map image enlarging or reducing process in step S31 is completed, the CPU 101 uses the operation input unit 126. It is determined whether or not an operation input for moving the map image has been received (step S41 in FIG. 12). When it is determined that the map input has been received, the map image is moved in the moving direction designated by the moving operation (step S42). At this time, as described above, the map information of the rectangular area adjacent to the moving direction is read from the map information storage unit 110M as necessary, and a map image is displayed on the display screen 125D using the read map information. Like that.

  If it is determined in step S41 that an operation input for moving the map image has not been accepted, and after the map image moving process is completed in step S42, whether the departure place has been set, that is, the departure place It is determined whether or not the enter key has been operated for setting (step S43). When it is determined in step S43 that the departure place is not set, the CPU 101 returns the process to step S30 and repeats the processes after step S30.

  If it is determined in step S43 that the departure point has been set by operating the enter key, the CPU 101 detects the position of the set departure point on the map and holds the position information (step S44).

  In the above setting of the destination and departure point, it has been explained that the destination is set first and then the departure point is set. However, the destination setting and the departure point setting are either first. It may be set to.

  Next, the CPU 101 monitors the operation information of the operation input unit 126 to determine whether or not the menu display button has been operated (step S45). When determining that the menu display button has not been operated, for example, the icon button It is determined whether or not the stop button consisting of is operated (step S46). If it is determined in step S46 that the cancel button has not been operated, the CPU 101 returns the processing to step S45, and if it is determined that the cancel button has been operated, the position information of the retained destination and departure point is stored. Clear and return to step S4.

  If it is determined in step S45 that the menu display button has been operated, a menu screen is displayed on the display screen 125D (step S48). Then, the CPU 101 monitors the operation information of the operation input unit 126 and determines whether or not “confirm straight line route” is selected from the menu screen (step S51).

  When it is determined in this step S51 that “straight line confirmation” is selected, the CPU 101 displays a straight route Lsg connecting the departure point and the destination on the display screen 125D as shown in FIG. 7C. Then, it is displayed superimposed on the map image (step S61 in FIG. 14). Next, the CPU 101 determines whether or not a confirmation button such as an icon button has been operated (step S62). When it is determined that the confirmation button has not been operated, for example, whether or not a return button including an icon button has been operated. It is determined whether or not (step S63). When determining that the return button has not been operated, the CPU 101 returns the process to step S62, and when determining that the return button has been operated, returns the process to step S48.

  If it is determined in step S62 that the confirmation button has been operated, the CPU 101 determines that a straight route between the destination and the departure point has been established (step S64). Then, the CPU 101 determines whether or not a positioning start button composed of, for example, an icon button has been operated (step S65), and when determining that the positioning start button has been operated, executes a positioning start processing routine of FIG. .

  Next, when determining that the positioning start button has not been operated, the CPU 101 determines whether or not the menu display button has been operated (step S66), and when determining that the menu display button has not been operated, step 101 is performed. Return to S65. If it is determined in step S66 that the menu display button has been operated, a menu screen is displayed on the display screen 125D (step S67).

  Then, the CPU 101 monitors the operation information of the operation input unit 126, and determines whether or not “Start positioning” has been selected from the menu screen (step S71 in FIG. 15). When it is determined in this step S71 that “positioning start” has been selected, the CPU 101 executes a positioning start processing routine of FIG.

  When it is determined in step S71 that “positioning start” is not selected, the CPU 101 determines whether or not “route search” is selected (step S72). If it is determined in this step S71 that “route search” has been selected, the CPU 101 executes a route search processing routine of FIG.

  When it is determined in step S72 that “Route search” is not selected, the CPU 101 determines whether “Create favorite route” is selected (step S73). When it is determined in this step S73 that “favorite route creation” has been selected, the CPU 101 executes a favorite route creation processing routine of FIG.

  If it is determined in step S73 that “Create favorite route” is not selected, the CPU 101 determines whether or not “route clear” is selected (step S74). If it is determined in this step S74 that “route clear” is not selected, the CPU 101 returns the process to step S71 and repeats the processes in and after step S71. If it is determined in step S74 that “route clear” has been selected, the CPU 101 clears the data relating to the stored route (step S75) and returns the process to step S4.

  Returning to the processing of FIG. 13, when it is determined in step S51 that “straight line confirmation” is not selected, the CPU 101 determines whether or not “route search” is selected (step S52). When it is determined in this step S52 that “route search” has been selected, the CPU 101 executes a route search processing routine of FIG.

  If it is determined in step S52 that "Route search" is not selected, CPU 101 determines whether "Create favorite route" is selected (step S53). When it is determined in this step S53 that “favorite route creation” has been selected, the CPU 101 executes a favorite route creation processing routine of FIG.

  If it is determined in step S53 that “Create favorite route” is not selected, the CPU 101 determines whether or not “route clear” is selected (step S54). If it is determined in this step S54 that “route clear” has not been selected, the CPU 101 returns the process to step S51 and repeats the processes in and after step S51. If it is determined in this step S54 that “route clear” has been selected, the CPU 101 clears the data relating to the stored route (step S55), and returns the process to step S4.

  Next, as described above, when it is determined in step S52 or step S72 that “route search” has been selected, the CPU 101 executes route search (step S81 in FIG. 16). In this route search, the CPU 101 sends the location information (latitude, longitude) of the destination and departure place to the route search server via the Internet, and makes a route search request. Then, route information along the road between the destination and the departure point (see, for example, the route FL between the destination PG and the departure point PS in FIG. 21) is acquired as a search result from the route search server.

  Then, the CPU 101 displays the route along the road according to the acquired route information on the display screen 125D superimposed on the map image (step S82).

  Next, the CPU 101 determines whether or not the positioning start button has been operated (step S83). When determining that the positioning start button has been operated, the CPU 101 executes a positioning start processing routine shown in FIG.

  Next, when determining that the positioning start button has not been operated, the CPU 101 determines whether or not the menu display button has been operated (step S84), and when determining that the menu display button has not been operated, step 101 is performed. Return to S83. If it is determined in step S84 that the menu display button has been operated, a menu screen is displayed on the display screen 125D (step S85).

  Then, the CPU 101 monitors the operation information of the operation input unit 126, and determines whether “positioning start” is selected from the menu screen (step S86). When it is determined in this step S86 that “positioning start” is selected, the CPU 101 executes a positioning start processing routine of FIG.

  When it is determined in step S86 that “positioning start” is not selected, the CPU 101 determines whether or not “register route” is selected (step S87). If it is determined in this step S87 that “register route” has been selected, the CPU 101 executes a route registration process and stores and holds the created route (step S88). Thereafter, the CPU 101 returns the process to step S85.

  If it is determined in step S87 that “register route” is not selected, the CPU 101 determines whether or not “route clear” is selected (step S89). If it is determined in this step S89 that “route clear” has not been selected, the CPU 101 returns the process to step S86 and repeats the processes in and after step S86. When determining in step S89 that “route clear” has been selected, the CPU 101 clears the data relating to the stored route (step S90), and returns the process to step S4.

  Next, as described above, when it is determined in step S53 or step S73 that “favorite route creation” has been selected, the CPU 101 displays a map image in which the destination and the departure point are displayed in a straight line. Step S101 in FIG.

  Next, the CPU 101 monitors the operation information of the operation input unit 26, and determines whether or not an instruction for enlarging or reducing the map image has been received (step S102). When it is determined in this step S102 that an instruction to enlarge or reduce the map image has been received, the CPU 101 performs an enlargement or reduction process of the map image according to the instructed scale as described above (step S103). In this enlargement or reduction process, as described above, the map information of the instructed scale is read from the map information storage unit 110M as necessary, and the map information in accordance with the instructed scale is read using the read map information. Enlarge or reduce the map image.

  When it is determined in step S102 that an instruction for enlarging or reducing the map image has not been received, or after the map image enlarging or reducing process in step S103 is completed, the CPU 101 uses the operation input unit 126. It is determined whether an operation input for moving the map image has been received (step S104).

  When it is determined in step S104 that an operation input for moving the map image has been received, the CPU 101 moves the map image in the moving direction instructed by the moving operation, and uses the position of the center mark Cm as a waypoint candidate position. As shown in FIG. 8A, broken lines connected in a straight line are displayed in the order of the position of the departure place → the position of the center mark Cm → the position of the destination (step S105).

  At this time, as described above, the map information of the rectangular area adjacent to the moving direction is read from the map information storage unit 110M as necessary, and a map image is displayed on the display screen 125D using the read map information. Display it.

  Next, when it is determined in step S104 that an operation input for moving the map image has not been accepted, and after the map image moving process and the broken line display are completed in step S105, the transit point has been selected. That is, it is determined whether or not the determination key (or selection key) has been operated for setting the waypoint (step S106). When it is determined in step S106 that no waypoint is selected, the CPU 101 returns the process to step S102, and repeats the processes after step S102.

  When it is determined in step S106 that a stopover is selected, the CPU 101 detects the position of the selected stopover candidate on the map, selects the position information, and holds it as the determined stopover position information. (Step S107).

  Next, the CPU 101 determines whether or not a confirmation button such as an icon button has been operated (step S111 in FIG. 18). When it is determined that the confirmation button has not been operated, a return button such as an icon button is operated. It is determined whether or not it has been done (step S112). If it is determined in step S112 that the return button has not been operated, the CPU 101 returns the process to step S102 to perform the next waypoint setting process.

  If it is determined in step S112 that the return button has been operated, the CPU 101 clears the location data of the waypoints selected so far (step S113), and the process returns to step S101.

  Next, when it is determined in step S111 that the confirm button has been operated, the CPU 101 retains the location information of the selected waypoint in addition to the destination and the departure point (step S114).

  Next, the CPU 101 determines whether or not the positioning start button has been operated (step S115). When determining that the positioning start button has been operated, the CPU 101 executes a positioning start processing routine of FIG.

  Next, when determining that the positioning start button has not been operated, the CPU 101 determines whether or not the menu display button has been operated (step S116), and when determining that the menu display button has not been operated, step 101 is performed. Return to S115. If it is determined in step S116 that the menu display button has been operated, a menu screen is displayed on the display screen 125D (step S121 in FIG. 19).

  Then, the CPU 101 monitors the operation information of the operation input unit 126, and determines whether “positioning start” is selected from the menu screen (step S122). When it is determined in this step S122 that “positioning start” is selected, the CPU 101 executes a positioning start processing routine of FIG.

  When it is determined in step S122 that “positioning start” is not selected, the CPU 101 determines whether or not “register route” is selected (step S123). If it is determined in this step S123 that “register route” is selected, the CPU 101 executes a route registration process and stores and holds the created route (step S124). Thereafter, the CPU 101 returns the process to step S121.

  If it is determined in step S123 that “register route” is not selected, the CPU 101 determines whether or not “route clear” is selected (step S125). If it is determined in this step S125 that “route clear” has not been selected, the CPU 101 returns the process to step S121 and repeats the processes in and after step S121. If it is determined in step S125 that “route clear” has been selected, the CPU 101 clears the data relating to the stored route (step S126), and returns the process to step S4.

  Next, as described above, when it is determined in step S65, step S83, or step S115 that the positioning start button has been operated, or in step S71, step S86, or step S122, “positioning start” is selected. When it is determined that the current position has been detected, the CPU 101 acquires the current position information (latitude, longitude) measured by the GPS position measurement unit 112 and detects the current position (step S131).

  Next, as shown in FIG. 9, the CPU 101, based on the location information (latitude, longitude) of the destination held in step S26 and the location information (latitude, longitude) of the current location detected in step S131, A straight line LD connecting the current location and the destination is displayed on the map image on the display screen (step S132).

  Next, the CPU 101 determines whether or not an instruction to end the “positioning start” mode has been detected (step S133). If it is determined that no end instruction has been detected, the process returns to step S131. The processes after S131 are repeated.

  If it is determined in step S133 that an instruction to end the “positioning start” mode is detected, the CPU 101 returns to the state before the positioning is started (step S46). And each process after the state before a positioning start is performed.

  Next, the CPU 101 determines whether or not an instruction to end the route display function has been detected (step S135). When determining that an instruction to end the route display function has not been detected, the CPU 101 returns the process to step S134 and performs positioning. Processes after the state before starting. If it is determined in step S135 that an instruction to end the route display function has been detected, the CPU 101 ends this processing routine.

  In the positioning start mode, when displaying a straight line connecting the current location and the destination together with the route created by the route creation function of the route display function, in addition to the straight route Lsg shown in FIG. In addition to the mode of displaying a straight line LD connecting the current location and the destination, as shown in FIGS. 9A and 9B described above, in addition to the broken line route connecting the departure point, the waypoint, and the destination, It becomes the aspect which displays the straight line LD which connects the destination. Further, when the route search is performed, as shown in FIG. 21, in addition to the route connecting the starting point and the destination along the road, a straight line LD connecting the current position and the destination is displayed.

[Other Embodiments or Modifications]
In the above-described embodiment, the map information is acquired from the web server in advance. However, for example, map information is stored in an external memory such as a card-type memory, the external memory such as the card-type memory is attached to the external memory connector 127, and the map information is read from the external memory and used. good.

  In the above-described embodiment, the route display application program is acquired from the server. However, the route display application program may be stored in advance in a mobile phone terminal, or stored in an external memory such as a card-type memory. You may make it install in a mobile telephone terminal.

  Further, in the above-described embodiment, when the route display function is executed, the mobile phone terminal 1 alone is not connected to the web server at all, but the entire process is performed. If the area is wide, the area range for displaying the route may deviate from the area range of the map information stored in advance in the map information storage unit 110M. In view of this, regarding the acquisition of map information, the map information providing service of the web server may be received when the route display function is executed. The same applies at the start of positioning.

  As described above, when the map information providing service of the web server is also used, the route display application of the mobile phone terminal 1 moves the map image to the map position corresponding to the position of the center mark Cm on the display screen. It is determined whether (latitude, longitude) has deviated from the area range of the map information stored in advance in the map information storage unit 110M. When it is determined that the position on the map (latitude, longitude) corresponding to the position of the center mark Cm on the display screen deviates from the area range of the map information stored in advance in the map information storage unit 110M, The map information of the area range including the deviating area is acquired from the information providing server 3 and stored in the empty area of the map information storage unit 110M. Then, a map image is displayed on the display screen using the acquired map information. In this case, the mobile phone terminal 1 and the map information providing server 3 may be connected in advance through the Internet for execution of the route display function, or the map position corresponding to the position of the center mark Cm on the display screen ( When the latitude and longitude) deviate from the area of the map information stored in advance in the map information storage unit 110M, the mobile phone terminal 1 may access and connect to the map information providing server 3.

  In the above-described embodiment, the function of displaying a straight line connecting the current location and the destination at the start of positioning is the same as the straight-line route connecting the departure location and the destination, the departure location and the waypoint, and the destination in the above-described embodiment. The present invention is not limited to the case of displaying a broken line route that sequentially connects the ground with a straight line, and a route route acquired by route search, but may be applied in combination with another route display function.

  In the above-described embodiment, the function of displaying a straight line connecting the current location and the destination is executed on the mobile terminal device side, but the mobile terminal device has the current location information of the terminal, the departure location, the destination, By sending the location information of the waypoints to the server side, the server side may execute it together with the route search.

  In the above embodiment, in order to reduce the data amount, the latitude and longitude position information uses map information having only four corners of the rectangular area AR. However, when the storage capacity of the memory is large, Similarly, map information including latitude and longitude information can be used as position information of each point on the map. In that case, the display map image generation unit 202 does not need to calculate the position information (latitude and longitude) of the center mark Cm from the position information of the four corners, but the position information ( Latitude and longitude) can be used as they are.

  In the above-described embodiment, the map information is stored in the memory in advance, and the map information from the web server is not received when the route display application is executed. Of course, it is also possible to create a straight route or a broken line route while receiving the provision.

  In addition, although the above-mentioned embodiment is a case where a portable terminal device is a mobile phone terminal, it cannot be overemphasized that the portable terminal device of this invention is not restricted to a mobile phone terminal. For example, the present invention can be applied to various portable terminal devices such as a portable navigation device, a portable information terminal, a pad type terminal, and a portable personal computer.

  DESCRIPTION OF SYMBOLS 1 ... Mobile phone terminal, 110M ... Map information storage part, 125 ... Display, 204 ... Setting input reception part, 205 ... Position detection part, 206 ... Straight line route creation part, 207 ... Destination direction straight line creation part, 208 ... Present location detection Part

Claims (12)

Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Position detecting means for detecting a position on the map image of the destination and the starting point received by the setting input receiving means;
Straight line route display means for displaying on the map image a straight line connecting the destination detected by the position detection means and the position of the departure place on the map image;
A mobile terminal device comprising: After the destination and the starting point setting input are accepted, the destination and the location of a waypoint candidate on the map image other than the starting point are indicated on the map image. A straight line connecting the place, the route point candidate, and the departure point is displayed in order, and the straight line connecting the destination point, the route point candidate, and the departure point is changed according to the change of the designated position of the route point candidate. The mobile terminal device according to claim 1, further comprising: means. The position of the waypoint candidate for which the confirmation operation is performed is set as the position of the waypoint when an operation for confirming the position of the waypoint candidate is performed. Mobile terminal device. The setting input accepting unit accepts a setting input of a waypoint in addition to the destination and the departure point on the map image displayed on the display unit,
The position detecting means detects a position on the map image of the waypoint input through the setting,
When the route point is set and input, the straight line route display means replaces the starting point and the way point between the starting point and the way point, instead of the straight line connecting the starting point and the destination point. The mobile terminal device according to claim 1, wherein each straight line connecting the two is displayed on the map image. The mobile terminal device according to claim 4, wherein, when there are a plurality of waypoints, the straight route display means connects the route points with straight lines and displays them on the map image. . The map information includes, as position information composed of latitude and longitude, only position information on the positions of the four corners specifying the rectangular area for each predetermined rectangular area,
The portable terminal according to any one of claims 1 to 5, wherein the position detection means detects the destination, the departure place, and the waypoint using position information of the positions of the four corners. apparatus. Equipped with current location detection means for detecting the current location,
The position detection unit has a function of detecting a position on the map image of the current location detected by the current location detection unit,
The means for displaying the straight line which connects the position on the map image of the present location and the destination detected by the position detection means on the map image is further provided. A portable terminal device according to any one of the above. Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Current location detection means for detecting the current location;
Position detection means for detecting the location on the map image of the current location detected by the destination and the departure location received by the setting input reception means, and the current location detection means;
Route display means for displaying on the map image a route that connects the destination detected by the position detection means and the position of the departure place on the map image;
Straight line display means for displaying a straight line connecting the current position detected by the position detection means and the position of the destination on the map image on the map image;
A mobile terminal device comprising: A display step of displaying a map image according to the map information read from the storage unit storing map information on a display screen;
A setting input receiving step for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
A position detection step of detecting a position on the map image of the destination and the departure point received in the setting input reception step;
A straight line route displaying step for displaying a straight line connecting the destination detected in the position detecting step and the position of the starting point on the map image on the map image;
A route display method on a map in a portable terminal device comprising: A display step of displaying a map image according to the map information read from the storage unit storing map information on a display screen;
A setting input receiving step for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
A current location detection process for detecting the current location;
A position detecting step for detecting the position on the map image of the current location detected in the current location detecting step, the destination and the starting location received in the setting input receiving step;
A position detecting step for detecting the position on the map image of the destination inputted by the setting and the current location detected in the current location detecting step;
A route display step for displaying on the map image a route connecting the destination detected in the position detection step and the position of the departure point on the map image;
A straight line display step of displaying on the map image a straight line connecting the current location detected in the position detection step and the position of the destination on the map image;
A route display method on a map in a portable terminal device comprising: A computer provided in the mobile terminal device,
Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Position detecting means for detecting positions on the map image of the destination and the starting point received by the setting input receiving means;
Straight line route display means for displaying on the map image a straight line connecting the destination detected by the position detection means and the position of the departure place on the map image;
Route display program to function as. A computer provided in the mobile terminal device,
Storage means for storing map information in the storage unit;
Display means for displaying a map image based on the map information read from the storage unit on a display screen;
A setting input receiving means for receiving a setting input of a destination and a departure place on the map image displayed on the display screen;
Current location detection means for detecting the current location;
Position detection means for detecting the location on the map image of the current location detected by the destination and the departure location received by the setting input reception means, and the current location detection means;
Route display means for displaying on the map image a route that connects the destination detected by the position detection means and the position of the departure place on the map image;
Straight line display means for displaying a straight line connecting the current position detected by the position detection means and the position of the destination on the map image on the map image;
Program to function as.

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