KR20040037794A - Apparatus and method for displaying stories in navigation system - Google Patents

Abstract

PURPOSE: An apparatus and a method for displaying floor information of a building in a navigation system are provided to grasp easily the surrounding geographic information by displaying the building information including floor and height on a digital map according to a predetermined display mode. CONSTITUTION: A present position detector of a navigation system detects present position data including a present position of a moving object(310). A controller of the navigation system receives a destination(320). The controller performs a process for mapping the position information about the destination to detect the floor information of a building(330). The controller detects a user's display mode in order to display the position information of the destination(340). A display unit of the navigation system displays the floor information according to the user' display mode(350).

Description

Apparatus and method for displaying floor information of a building on a navigation device {APPARATUS AND METHOD FOR DISPLAYING STORIES IN NAVIGATION SYSTEM}

The present invention relates to a navigation system, and more particularly, to an apparatus and method for displaying building information in a navigation digital map.

In general, a variety of moving objects such as ships, aircraft, vehicles, etc. are used by mounting a GPS (Global Positioning System) position measuring device for checking the current position and moving speed or determining the movement route. The GPS positioning device (hereinafter referred to as a "navigation device") receives radio waves representing latitude, longitude, altitude, etc. from a plurality of satellites belonging to global GPS, calculates the current position of the moving object, and then stores the current position. It is included in the map information of the navigation digital map and displayed to the user. That is, the navigation device reflects the positional information of the moving object received from the GPS on the digital map and displays it on the display unit. In addition, the navigation device displays the moving direction of the moving object, the distance to the destination to be traveled, the current moving speed of the moving object, the path set by the user before driving, and the optimum path to the destination.

However, the digital map of the conventional navigation device omits the shape of the buildings around the road and displays only the building name, or displays the buildings around the road by simplifying the polygons. That is, in displaying buildings, it is made of two-dimensional polygons represented simply by X and Y coordinates regardless of the number of floors of a building or altitude, or made of three-dimensional polygons by increasing the Y coordinate of the two-dimensional polygons. It was. Therefore, since only the building information is provided, it is difficult for the user to identify the current driving area. That is, there is a disadvantage in that it is not possible to easily recognize the building information and the surrounding geographic information by making a digital map without considering the number of floors or the height of the building.

Accordingly, the present invention provides an apparatus and method for displaying a digital map that provides a user with the same location information as the current location information. In addition, the present invention provides an apparatus and method for displaying and reflecting building information in consideration of the actual height and the number of floors in a digital map.

Therefore, the user can more easily grasp the geographic information displayed on the navigation digital map based on the building information including the floor number and the elevation of the building to maximize the efficiency of using the navigation device.

Accordingly, an object of the present invention for solving the above problems is to provide a method for displaying floor information of a building in a navigation device.

Another object of the present invention for solving the above problems is to provide an apparatus for displaying the number of floor information of the building in the navigation device.

In order to achieve the above object, an embodiment of the present invention provides a method of displaying floor information of a building in a navigation device, the method comprising: detecting building floor information of a destination when a destination to be displayed is selected; And selecting a display mode for designating the building floor information to be displayed, switching to the selected display mode, and displaying floor information of the building according to the designation mode of the display mode. It features.

Another embodiment of the present invention, which was created to achieve the above object, is a device for displaying floor information of a building in a navigation device, wherein a memory including building floor information is selected and a destination to be displayed is selected. A control unit which detects the building floor information of the destination, selects a display mode for designating the building floor information, and switches to the selected display mode, and the floor number of the building according to the designation mode of the display mode. And a display unit for displaying information.

1 is a schematic block diagram of a navigation device according to the present invention;

2A is a flow chart illustrating a process of storing building information in a navigation digital map in accordance with the present invention.

2B is a state diagram of storing building information in a digital map of a navigation device according to an embodiment of the present invention.

3 is a flowchart illustrating a process of displaying a digital map in a navigation device according to an embodiment of the present invention.

FIG. 4A is a flowchart illustrating a process of displaying floor information of a building in color on a digital map of a navigation device according to the present invention; FIG.

Figure 4b is a flow chart showing a process of displaying the floor information of the building in a line on the digital map of the navigation device in accordance with the present invention.

4C is a flow chart illustrating a process of numerically displaying the number of floors of a building on a navigation digital map in accordance with the present invention.

Figure 5a is a state diagram for displaying the number of floor information of the building on the navigation digital map in color and number in accordance with the present invention.

Figure 5b is a state diagram displaying the number of floor information of the building on the navigation digital map in line and number in accordance with the present invention.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

DETAILED DESCRIPTION In the following detailed description, one representative embodiment of the present invention is set forth in order to achieve the above technical problem. And other embodiments that can be presented with the present invention are replaced by the description in the configuration of the present invention.

1 is a schematic block diagram of a navigation system according to the present invention.

The current position detecting unit 10 detects the moving direction of the moving object, the moving distance and the moving speed of the moving object through the gyro sensor and the speed sensor. In addition, the current position is detected through the position information of the moving object received from the GPS satellites. The current position information detected by the current position detector 10 is transmitted to the controller 50. The voice storage unit 20 receives and stores a voice signal of a user through a microphone located inside the moving object. That is, when a voice signal is input from the user, the voice signal is temporarily stored. The stored voice signal is transmitted to the controller 50. The voice reproducing unit 30 accesses, amplifies, and filters the voice signal stored in the voice storage unit 20 to reproduce the digital voice information when necessary. The key input unit 40 includes a keypad and a remote controller, and selects various functions of the navigation device according to a user's request. That is, a function of selecting a display mode or inputting display layer unit information for display is performed. Therefore, the function input by the user is performed under the control of the controller 50. The memory 60 is a ROM for storing a program for performing an overall function of the navigation device 100, and a RAM for temporarily storing real-time information generated while performing a corresponding function. It is composed. It also has a digital map that stores geographic information and road building information. The display unit 70 includes a cathode ray tube (CRT) or a liquid crystal display (LCD). The display unit 70 displays the current position calculated from the controller 50 on the digital map stored in the memory 60. The controller 50 controls the overall operation of the navigation device 100. The control unit 50 receives the position information and the moving speed of the moving object from the current position detection unit 10. The digital map stored in the memory 60 is accessed to map the current position of the moving object. In this case, the controller 50 controls the display unit 70 to display the current position of the moving object according to the display layer number unit information set through the key input unit 40 or the voice storage unit 20 and the set display mode. In addition, the voice reproducing unit 30 reproduces the current position as a voice signal.

That is, the controller 50 receives the location information of the current moving object and the geographic information (the location information of the destination and the moving path) corresponding to the destination from the GPS satellites. Therefore, the location information is mapped to the digital map stored in the memory 60 and displayed on the display unit 60. In addition, the voice reproducing unit 30 reproduces the location information as a voice signal and displays it to the user through a speaker.

2A is a flowchart illustrating a process of storing building information in a navigation digital map according to an embodiment of the present invention, and FIG. 2B is a state diagram of storing building information in a digital map of a navigation device according to an embodiment of the present invention.

Referring to FIG. 2A, the memory 60 includes a plurality of building information representing location information and geographic information of a destination set by a user. In this case, the plurality of building information is displayed in the form of a polygon. A polygon is a polygon, which is an external form of building information consisting of a plurality of vertices. In addition, each vertex coordinate of the polygon is a mapping of the location coordinates of the corresponding building on the digital map. The building information represents a building name field 200 storing a name of a corresponding building, a number field 210 of vertices representing the number of polygonal vertices constituting a building, and an X and Y coordinate value of each vertex. In order to distinguish each building, the coordinate field 220 representing the area of the building, that is, the external shape of the polygon, the floor field 230 representing the actual floor and altitude of the building, and the building characteristics of the corresponding building information are displayed. A code field 240, which is a set code, and a building name coordinate field 250 having coordinate values of X and Y in order to indicate a name of a corresponding building. The fields constitute the building information and include all the information forming the actual building. The plurality of fields constituting the building information may be stored in a reversed order.

Referring to FIG. 2B, the bank 1 has a vertex number of 4 constituent polygons and coordinates corresponding to each vertex are (10,20), (50, 20), (50, 70), (90, 70). )to be. Based on the coordinates, the number of floors of the actual bank 1 is 12 floors, and the building code indicating that the bank is 8 is represented. In addition, the building name coordinate which shows the name of bank 1 is (10, 12). Post Office 1 has 5 vertices of the building's polygons, and the coordinates corresponding to each vertex are (3,12), (8, 15), (4, 15), (8, 12), (7,16) to be. Based on the coordinates, the number of floors of the actual post office 1 is three stories, and the building code indicating the government office is 11. In addition, the building name coordinate which shows the name of post office 1 is (3,8). Bank 2 has 4 vertices of the polygons that make up the building, and the coordinates corresponding to each vertex are (1, 3), (1, 5), (2, 4), and (2, 7). Based on the coordinates, the number of floors of the actual bank 2 is 5 stories, and the building code indicating that the bank is 8 is represented. In addition, the building name coordinate of the bank 2 is (1, 2).

3 is a flowchart illustrating a process of displaying a digital map in a navigation device according to an embodiment of the present invention.

Referring to FIG. 3, in step 300, when the navigation device is supplied with power while the moving object is driven, the controller 50 sets the navigation device to the driving mode. In step 310, the current position detector 10 receives the radio wave transmitted from the GPS to calculate the position information of the current moving object. Position information of the current moving object is output as X, Y coordinate values. The controller 50 detects location information of the current moving object on the digital map stored in the memory 60. In operation 320, the controller 50 receives a destination set by the user through a microphone installed in the moving object or receives a destination set by the user through the key input unit 10. Here, the destination refers to an area to be displayed by the user, and refers to an area indicating current location information or an area to be set by the user. In other words, it includes all the areas you want to display on the digital map. That is, the destination input through the microphone is a voice signal, and the voice signal is temporarily stored in the voice storage unit 20. On the other hand, if the controller 50 does not detect a signal related to the destination input from the user, the process proceeds to step 310. In operation 330, the controller 50 accesses the digital map stored in the memory 60 to map location information of the destination input by the user. The location information of the destination is composed of the location coordinates of the destination, surrounding geographical information, as well as building information. In this case, in step 340, the controller 50 detects the display mode set by the user to display the location information of the destination, and switches to the corresponding display mode. That is, the display mode is displayed by detecting the display mode of displaying the number of floors or the height of the corresponding building in color, displaying the lines, or displaying the number of floors of the building numerically. To switch to. In operation 350, the display unit 70 displays the building floor number information according to the display mode. Accordingly, the building information displayed on the navigation digital map displays building floor number information according to a floor number unit set by a user. This will be described in more detail with reference to FIGS. 4A, 4B, and 4C below.

4A is a flow chart illustrating the display of floor information of a building in color on a digital map of a navigation device in accordance with the present invention.

Referring to FIG. 4A, step 400 represents a standby state. The controller 50 accesses the digital map stored in the memory 60 to map location information of a destination input by a user. At this time, the controller 50 detects (accesses) the building floor number information of the floor number field indicating the actual floor number and the altitude of the building among the fields constituting the building information from the memory 60. In this case, in step 410, the voice storage unit 20 is required to display the number of building floors of the building information on the digital map in color through the microphone provided in the moving object, or the keypad or the remote controller of the key input unit 40 is displayed. If the building information on the digital map is set to display building floor number information in color, the flow proceeds to step 420. In step 420, the controller 50 detects (accesses) the number of display layer units set by the user. In operation 430, the building floor information is displayed in color according to the display floor unit. For example, if the display floor number unit information set by the user is 5 floors in a building having 17 floors of building information, the 17 floors of the building floor information is displayed in different colors for each of the 5 floors.

4B is a flow chart illustrating the display of the number of floors of a building as lines on a digital map of a navigation device in accordance with the present invention.

Referring to FIG. 4B, step 500 represents a standby state, and the controller 50 accesses the digital map stored in the memory 60 to map location information of the destination input by the user. That is, the controller 50 accesses the building floor number information of the floor number field indicating the actual floor number and the altitude of the building among the fields constituting the building information from the memory 60. In this case, if it is required to display the number of building floors as a line among the building information on the digital map through the voice storage unit 20 in step 510, or if the building floor number is displayed as a line through the key input unit 40, the step is performed. Proceed to 520. In operation 520, the controller 50 accesses the display layer unit set by the user. In operation 530, the building floor information is displayed as a line according to the display floor unit. For example, if the building floor number information is 17 floors and the set display floor unit is 5 floors, the building floor number information of the 17 floors is displayed in lines for each floor unit of 5 floors.

4C is a flow chart illustrating numerical display of the number of floors of a building on a navigation digital map in accordance with the present invention.

Referring to FIG. 4C, step 600 represents a standby state. The controller 50 accesses the digital map stored in the memory 60 and maps location information of the destination input by the user. That is, the controller 50 accesses the building floor number information of the floor number field indicating the actual floor number and the altitude of the building among the fields constituting the building information from the memory 60. At this time, in step 610, the voice storage unit 20 is required to display the number of building floors among the building information on the digital map through the microphone provided in the moving object, or the keypad or the remote control of the key input unit 40 is displayed. If it is requested to display the number of floors of the building information on the digital map through the step, the flow proceeds to step 620. In step 620, the controller 50 displays the building floor number information numerically.

That is, in FIGS. 4A, 4B, and 4C, the controller 50 receives display mode and display floor unit information through the key input unit 40 and the voice storage unit 20, and displays the number of building floors through the display unit 70. Information is displayed according to the set floor unit and display mode. In this case, the display mode may be set repeatedly. This will be explained in FIGS. 5A and 5B to be described below.

FIG. 5A is a state diagram illustrating the display of the number of floors of a building in color and numbers on a navigation digital map according to the present invention, and FIG. 5B illustrates the display of the number of floors of a building on a navigation digital map in lines and numbers. State diagram.

Referring to FIG. 5A, the controller 50 accesses the building floor number information from the memory 60. In this case, when the display floor unit is received from the user, the building floor number information is displayed as a line according to the set display floor unit, and the color is displayed for each display floor unit. Referring to FIG. 5B, the controller 50 accesses the number of floors of the building from the memory 60, displays the number of floors of the building in a line according to the set number of display floors, and displays the number of floors of the building in Arabic numerals. Display. That is, the building floor number information is displayed according to at least one set display mode.

Accordingly, the user may more conveniently recognize the altitude and the number of floors of buildings around the vehicle as well as the geographical information of the surroundings through the navigation digital map displaying the floor information of the buildings.

As described above, the present invention displays the building floor number according to the display mode configured to display the elevation and the number of floors of the building information on the digital map of the navigation device. There is an effect that makes it easy to recognize whether the apartment is a dense residential area. That is, the user can more easily grasp the surrounding geographic information through the navigation digital map including the information on the number of floors of the building, and reduce the deviation of the destination when driving.

Claims (8)

In the method for displaying the floor information of the building in the navigation device, Detecting the number of floors of buildings of the destination when a destination to be displayed is selected; Receiving a selection of a display mode for designating the number of floor information to be displayed, and switching to the selected display mode; And displaying the floor information of the building according to the designation mode of the display mode. The method of claim 1, wherein the displaying of the floor information of the building according to the display mode displays the building floor information in color according to the set floor unit information. The method of claim 1, wherein the displaying of the building floor number information according to the display mode displays the building floor number information in a line according to the set floor unit information. The method as claimed in claim 1, wherein the displaying of the building floor number information according to the display mode displays the building floor number information numerically. A device for displaying floor information of a building in a navigation device, A memory containing building floor information, A controller for detecting building floor information of the destination, selecting a display mode for designating the building floor information to be displayed, and switching to the selected display mode when a destination to be displayed is selected; And a display unit for displaying floor information of the building according to a form designated in the display mode. The apparatus of claim 5, wherein the control unit displays the building floor information in color through a display unit according to the set floor unit information. The apparatus of claim 5, wherein the control unit displays the building floor information in a line through the display unit according to the set floor unit information. The apparatus of claim 5, wherein the controller displays the building floor number information numerically through a display unit.