JP4786237B2 - MAP DISPLAY DEVICE, ITS CONTROL METHOD, AND CONTROL PROGRAM - Google Patents

Description

  The present invention relates to a map display technique with improved visibility and operability as compared with the prior art.

In recent years, with the rapid spread of navigation systems, map display technology for displaying and scrolling a map on a screen such as a liquid crystal display panel has become common. The map displayed in this way displays, for each corresponding point, point information such as various names such as place names and facilities, and various icons representing the types of facilities, in addition to network roads.
JP 2002-286470 A

  However, when searching or checking point information such as names and icons on the map by scrolling, if the scrolling speed is fast, it may go too far or overlooked. There is also a problem that the visual recognition becomes impossible or difficult when a part is thinned out and not displayed.

  There is also a proposal for uniformly enlarging and displaying all characters during scrolling (see Patent Document 1). However, enlarging all characters causes a problem that the entire screen is congested and the visibility and operability are impaired.

  The present invention solves the above-described problems of the prior art, and an object thereof is to provide a map display technique with improved visibility and operability as compared with the prior art.

In order to solve the above problems, an aspect of the present invention ( claims 1, 4 , 7 ) is a map including an information input unit and a display unit, and a control unit that performs information processing including control of each unit. A display device (a control method and a control program thereof), which is a map data storage means for storing map data including point information including facility information associated with each point and road information, and an enlarged display The map data stored in the map data storage means is displayed as a map on the display unit using an enlarged display storage unit that stores point information, and the map is displayed according to an operation from the input unit. Map data display means (process) for scrolling, scroll determination means (process) for determining whether the map displayed by the map data display means (process) is scrolled, When the scroll determining means (process) determines that the map is being scrolled, an enlarged display means (process) that enlarges and displays the spot information stored in the enlarged display storage means, the control unit And the enlarged display means displays the enlarged display when the scrolling speed is equal to or higher than a predetermined speed, and also displays the enlarged information about the point information set to be hidden under a predetermined condition. When stored in the display storage means, the display is enlarged .

  In this way, for the point information in the map such as names and icons, visibility and operability can be improved by scrolling and displaying the information even when part of the point information is hidden. Can be improved. The enlarged display is preferably used in combination with, for example, a bold name or an underline.

According to another aspect of the present invention ( claims 2 , 5 , 8 ), in each of the above aspects, a designation operation is input from the input unit and registered in the enlarged display storage means for the point information to be enlarged and displayed. The enlarged display registration means (process) is realized by the control unit.

  In this way, by making it possible to freely specify point information to be enlarged and displayed at any time from an input unit such as a touch key, individual users can realize optimum usability according to individual specific circumstances.

  In this way, by performing enlarged display only when scrolling becomes faster than a certain level, useless enlarged display can be avoided with low-speed scrolling, and display can be stabilized.

  As described above, the point information that is not displayed under the condition of being scrolled or the like can be displayed in an enlarged manner if it is designated and registered, thereby realizing excellent usability faithful to the user's intention.

Another aspect of the present invention ( Claims 3 , 6 , 9 ) is characterized in that, in each of the above aspects, the predetermined condition that is not displayed is during scrolling.

  In this way, even for the type in which some names, icons, etc. are hidden for ease of viewing when scrolling the map, only the designated registration target is not hidden, but enlarged and displayed as described above. It is possible to realize excellent usability that balances the visibility and the user's intention.

  As described above, according to the present invention, it is possible to provide a map display technique with improved visibility and operability as compared with the conventional art.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings. Note that the assumptions common to the explanation in the background art and the problems are not repeated.

[1. Constitution〕
The present embodiment relates to a map display device (hereinafter referred to as “the present device”) configured integrally with a navigation system, and can be grasped as a control method and a control program for the present device. Shown in

  That is, 1 is an FM multiplex reception and processing unit for acquiring VICS information, and 2 is a beacon reception and processing unit for acquiring VICS information. Reference numeral 3 denotes a main CPU that controls the entire system and its peripheral circuits, and is a control unit that performs information processing including control of each part of the apparatus. 4 is a dynamic RAM (DRAM) for loading the main program, 5 is a static RAM (SRAM) with battery backup for holding memory contents such as settings even when the main power is turned off, and 6 is for starting up etc. The ROM is accessed from the control unit 3.

Reference numeral 7 denotes an information display unit which performs drawing and displays the data, and uses a liquid crystal display panel or the like. Reference numeral 8 denotes a video RAM (VRAM) provided for the display unit 7. 9 is a TV reception and processing unit for receiving TV, and 10 is a vehicle information acquisition unit that detects illumination, vehicle speed pulse, parking, and the like.
The storage device 11 is a map data storage unit that records map data / search data and map-related data using a drive such as an HDD, DVD-ROM, CD-ROM, etc., and the map data is associated with each point. Point information including facility information and road information. The storage device 11 is also an enlarged display storage unit that stores spot information for enlarged display.

  An information input unit 12 is a control device that detects an input from a touch key or the like. However, the configuration and type of the input unit are arbitrary. In addition to operation switches around the display unit 7, a remote control unit and a display panel And a touch sensor integrated with each other may be used alone or in any combination. Moreover, the control part 3 implement | achieves and performs the processing means corresponding to the following functions and an effect | action shown in FIG. 1 with a predetermined | prescribed control program.

[2. Action)
That is, the map data display unit 31 (map data display means) displays the map data stored in the storage device 11 as a map on the display unit 7 and scrolls the map according to an operation from the input unit 12. (Map data display process). The scroll determination unit 32 (scroll determination means) determines whether the map displayed by the map data display unit 31 is being scrolled (scroll determination processing).

  The enlarged display unit 33 (enlarged display means) enlarges and displays the point information stored in the storage device 11 when the scroll determining unit 32 determines that the map is being scrolled (enlarged display processing). ).

  As for the point information to be enlarged and displayed as described above, the enlarged display registration unit 34 (enlarged display registration unit) receives the designation registration operation from the input unit 12, and the designated registration content is also displayed in the enlarged display storage unit. It registers in a certain storage device 11 (enlarged display registration process).

  Further, it is desirable that the enlarged display by the enlarged display unit 33 is performed when the scrolling speed becomes a predetermined speed or higher. In addition, a system of a type in which some names, icons, etc. are not displayed for ease of viewing when the map is scrolled is also conceivable. Therefore, when the enlarged display unit 33 stores the spot information set to be non-displayed under a predetermined condition (for example, during scrolling) in the storage device 11 that is an enlarged display storage unit, It is desirable to display.

  Note that the navigation processing common to the past, such as route calculation, current position calculation, and guidance guidance output, is appropriately performed by the route calculation unit 36, the navigation unit 35, the guidance unit 37, etc., but is not described in detail because it is not a feature of the present invention. .

[3. Example of processing procedure)
An example of a processing procedure corresponding to the above operation is shown in the flowchart of FIG. That is, as designation registration of the object to be enlarged and displayed even during scrolling, a name, an icon mark (for example, designation by a mark type or individual ID) and a keyword (category, XX hospital, etc.) are registered in advance (step 1). ). When scrolling is started (step 2), first, map drawing other than the name / icon is performed (step 3).

  When the scrolling speed becomes high (step 4), first, name data (coordinates, display color, name) is searched for a name registered in advance as a target of enlargement display from the drawing target name data. It is stored in the storage area (step 5), and this name data is enlarged together with the addition of bold characters and underline and saved as a bit pattern for enlarged display (step 6).

  Further, icon data (coordinate / icon image data) is searched for the icon registered in advance as an enlargement display object from the icon data to be drawn, stored in an appropriate storage area (step 7), and the icon data is enlarged. Then, it is stored as a bit pattern for enlarged display (step 8).

  In addition, the name / icon is drawn using these enlarged display bit patterns (step 9), but the name and icon are not enlarged and displayed as they are except in the high speed state. Such processing is repeated until the scrolling is finished (step 10).

[4. effect〕
As described above, in the present embodiment, the point information in the map such as the name and the icon is displayed in an enlarged manner even when scrolling or when the point information is partially hidden for those corresponding to the prior designated registration. Therefore, visibility and operability can be improved.

  In particular, as described above, it is not essential to be able to freely specify point information to be enlarged and displayed at any time from an input unit such as a touch key (enlarged display registration unit 34). Optimal usability can be realized according to individual specific circumstances.

  In addition, as described above, it is not essential to display an enlarged display only when scrolling becomes faster than a certain level (step 4), but this makes it possible to avoid unnecessary enlarged display when scrolling at a low speed. Stability is achieved.

  In addition, as described above, it is not essential to enlarge and display point information that is not displayed on the condition such as during scrolling if it is designated and registered. Usability can be realized.

  Also, as explained, even if some names and icons are hidden for ease of viewing when scrolling the map, only the designated registration target is hidden, Although it is not essential, this makes it possible to realize excellent usability that achieves both the above-described visibility and the user's intention.

[5. Other embodiments]
In addition, this invention is not limited to the said embodiment, The thing illustrated below and other embodiment other than that are included. For example, it is not essential to implement the present invention in combination with a navigation system. Further, the configuration, processing procedure, and the like shown in each drawing are merely examples, and can be appropriately changed. For example, bitmap data for enlarged display of names and icons may be created in advance.

The functional block diagram which shows the structure of embodiment of this invention. The flowchart which illustrates the process sequence in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... FM multiplex reception and processing part 2 ... Beacon reception and processing part 3 ... Control part (Main CPU and its peripheral circuit)
4. Dynamic RAM (DRAM)
5. Static RAM (SRAM)
6 ... ROM
7 ... Display 8 ... Video RAM (VRAM)
DESCRIPTION OF SYMBOLS 9 ... TV reception and processing part 10 ... Vehicle information acquisition part 11 ... Storage device 12 of map data / search data and map related data ... Input part (touch key control device)
31 ... Map data display part 32 ... Scroll judgment part 33 ... Enlarged display part 34 ... Enlarged display registration part S ... Each step of the procedure

Claims (9)

A map display device comprising: an information input unit and a display unit; and a control unit that performs information processing including control of each unit,
Map data storage means for storing map data including point information including facility information associated with each point and road information;
Map data display means for displaying the map data stored in the map data storage means as a map on the display unit and scrolling the map in response to an operation from the input unit;
An enlarged display storage means for storing point information to be enlarged and displayed;
Scroll determining means for determining whether the map displayed by the map data display means is scrolled;
An enlarged display means for enlarging and displaying the spot information stored in the enlarged display storage means when the scroll determining means determines that the map is being scrolled;
Is realized by the control unit ,
The enlarged display means displays the enlarged display when the scroll speed becomes a predetermined speed or higher and also stores the point information set to be hidden under a predetermined condition in the enlarged display storage means. A map display device characterized by displaying enlarged when stored .   2. The map according to claim 1, wherein the control unit realizes an enlarged display registration unit that receives an input of a designation operation from the input unit and registers in the enlarged display storage unit for the point information to be enlarged and displayed. Display device. The map display device according to claim 1 , wherein the predetermined condition for the non-display is scrolling. A control method for a map display device, comprising: an information input unit and a display unit; and a control unit that performs information processing including control of each unit,
Map data storage means for storing map data including point information including facility information associated with each point and road information;
An enlarged display storage means for storing point information to be enlarged and displayed;
Using,
A map data display process for displaying the map data stored in the map data storage means as a map on the display unit and scrolling the map in response to an operation from the input unit;
A scroll determination process for determining whether the map displayed by the map data display process is being scrolled;
An enlarged display process for enlarging and displaying the spot information stored in the enlarged display storage means when it is determined by the scroll determining process that the map is being scrolled;
Is executed by the control unit ,
Execution of the enlargement display processing is also performed for the point information set so that the enlargement display is performed when the scroll speed becomes equal to or higher than the predetermined speed and the display is not displayed under a predetermined condition. A method for controlling a map display device, wherein the map display device displays an enlarged display when stored in the means . 5. The map according to claim 4 , wherein the control unit executes an enlarged display registration process in which a designation operation is received from the input unit and registered in the enlarged display storage unit for the point information to be enlarged and displayed. Display device control method. 6. The method for controlling a map display device according to claim 4 , wherein the predetermined condition for the non-display is scrolling. A control program for a map display device, comprising: an information input unit and a display unit; and a control unit that performs information processing including control of each unit,
Map data storage means for storing map data including point information including facility information associated with each point and road information;
An enlarged display storage means for storing point information to be enlarged and displayed;
Using,
A map data display process for displaying the map data stored in the map data storage means as a map on the display unit and scrolling the map in response to an operation from the input unit;
A scroll determination process for determining whether the map displayed by the map data display process is being scrolled;
An enlarged display process for enlarging and displaying the spot information stored in the enlarged display storage means when it is determined by the scroll determining process that the map is being scrolled;
Is executed by the control unit ,
Execution of the enlargement display processing is also performed for the point information set so that the enlargement display is performed when the scroll speed becomes equal to or higher than the predetermined speed and the display is not displayed under a predetermined condition. When stored in the means, a control program for a map display device that displays an enlarged image . 8. The map according to claim 7 , wherein the control unit executes an enlarged display registration process for receiving a designation operation from the input unit and registering it in the enlarged display storage unit for the point information to be enlarged and displayed. Display device control program. Wherein said predetermined condition hide become a control program of the map display device according to請Motomeko 7 or 8, characterized in that it is being scrolled.

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