KR100716337B1 - Method for displaying and magnifying selected area on screen of navigation system - Google Patents

Abstract

The present invention relates to an enlarged display method of a navigation map screen touch area. When the driver continuously touches and selects an area to be enlarged on the touch screen in the road guidance mode while driving, the controller recognizes the area selected by the continuous touch operation. Display the enlarged map screen of the selected area through a separate pop-up window, and after a predetermined time elapses, the pop-up window is automatically removed to automatically return to the road guidance mode, so that the desired area on the touch screen is continuously The present invention relates to an enlarged display method of a navigation map screen touch area, which enables the user to automatically return to the original guide screen after enlarging the touch operation and provides an effect of improving convenience and merchandise improvement by reducing the number of operations.

Navigation, map screen, touch screen, continuous touch, popup, enlarged display

Description

Method for displaying and magnifying selected area on screen of navigation system}

1 is a block diagram showing the configuration of a general navigation system;

2 is a view for explaining a conventional position selection and screen enlargement method,

3 is a view showing a touch area enlarged display method according to the present invention;

4 is a flowchart illustrating a touch area enlargement display method according to the present invention;

5 is a view for explaining the relationship between the screen coordinates and the map coordinates in the present invention.

<Explanation of symbols for the main parts of the drawings>

1: GPS satellite 2: GPS receiver

3: control unit 4: map data storage unit

5: data input unit 6: monitor drive unit

7: monitor

The present invention relates to a method for displaying an enlarged area of a touch screen of a navigation map, and more particularly, a navigation for implementing a selection and enlargement of a desired area and automatic return to a road guidance mode by a single operation of a user in a vehicle navigation system. The present invention relates to an enlarged display method of a map screen touch area.

Recently, a navigation system that displays the current position of a vehicle on a map while driving is widely used.

As is known, a navigation system receives radio waves from GPS satellites, reads data stored in a CD-ROM on a screen of a monitor installed in a vehicle, displays a map, and simultaneously displays the current position of the vehicle calculated by a computer on a monitor screen. It will be displayed on the map.

In addition, when a user inputs a destination, the user searches for the destination and displays the path from the current location to the destination through the monitor screen.

In order to implement such a navigation system, map data is required, and the map data is stored in a storage medium such as a CD-ROM in a vehicle navigation system and utilized in a server and a vehicle that provides map data. A method of connecting between vehicle terminals to be installed in a wireless network and receiving only real-time map data near the current driving position of the vehicle through the wireless network is utilized.

In addition, a method of displaying a route on a monitor screen includes displaying a route calculated by the vehicle terminal and displaying an optimal route received from a service provider in consideration of traffic conditions.

FIG. 1 is a block diagram showing the configuration of a general navigation system. In brief, the GPS receiver 2 receives radio waves, that is, GPS data from the GPS satellite 1, and calculates the longitude and latitude of the received point. The controller 3 receives data about the longitude and latitude calculated by the GPS receiver 2 and matches the roads on the map data read from the map data storage 4 to monitor the map screen. 7) is displayed on the screen.

Here, the map data storage unit 4 is generally configured as a CD-ROM to store map data and data for searching, but may use a separate recording medium means in addition to the CD-ROM. After correcting the error of the current position of the vehicle displayed by the GPS data using the data on the speed and the driving position of the vehicle is displayed on the monitor screen.

In addition, the data input unit 5 includes various buttons (switches or keys) for function manipulation and proper search and registration of a destination. When the screen of the monitor 7 as a display means is a touch screen, the touch screen itself is It becomes an input means.

On the other hand, in a navigation system employing a touch screen as a display means and an input means, in order to see a desired point in detail during a road guide, the user must scroll the map screen to the point and press the 'zoom in' icon to enlarge the map screen.

2 is a view for explaining a conventional position selection and screen enlargement method, the left figure shows the vehicle position center map screen on the touch screen that displays the current vehicle position ('Hyundai Kia headquarters') (200m scale) In the center drawing, a point is selected by touching a screen on a touch screen, and the figure on the right shows a state where a map screen is enlarged after a point is selected (100m scale).

Conventionally, in order to enlarge a specific position of a map screen, it was necessary to perform at least two steps.

In other words, as shown in the center of FIG. 2, the center of the map screen should be moved to a desired point by one-touching the desired point on the screen (map scroll), and then the 'zoom in' icon as shown in the right figure. We had to press to zoom in on the map, and we had to tap the Zoom icon several times to see the scale we wanted.

In addition, since the enlarged map screen is displayed on the full screen of the touch screen, an additional operation of pressing the 'present address' button is required to return to the vehicle location center map screen as shown in the left figure of FIG. Do.

Repeating the above operations while driving not only increases the risk of accidents by preventing safe driving, but also makes it impossible to fully utilize the navigation, and thus needs to be improved.

Accordingly, the present invention has been invented to solve the above problems, and when the driver continuously touches and selects an area to be enlarged on the touch screen in the road guidance mode while driving, the control unit selects the area selected by the continuous touch operation. Display the enlarged map screen of the selected area through a separate pop-up window, and after a predetermined time has elapsed, the pop-up window is automatically removed to automatically return to the road guidance mode, thereby making the desired area on the touch screen. Provides an enlarged display method of the navigation map screen touch area, which allows the user to automatically return to the original guide screen after enlarging the number of continuous touch operations, and ultimately provides the convenience of operation and the improvement of merchandise by reducing the number of operations. Its purpose is to.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention includes the steps of: (a) inputting a selection area by continuously touching a diagonal of an area to be enlarged on a touch screen by a user in a road guidance mode in which a map screen centered on a vehicle location is displayed;

(b) a control unit receiving a signal according to a user's continuous touch operation from a touch screen module to recognize a selection area;

(c) The control unit reads the map data in the selected area from the map data storage unit and outputs the signal to the touch screen module to create a separate pop-up window on a part of the touch screen screen, and at the same time, the enlarged map of the selected area on the pop-up window. Displaying a screen;

It is characterized in that the navigation map screen touch area enlarged display method comprising a.

Here, the control unit finally stores the screen coordinates of the start point of the continuous touch inputted from the touch screen module and the screen coordinates of the last input point, and continuously touches the screen coordinates of the start point and the screen coordinates of the end point. After determining whether there is an input error or not, the step (c) is performed by recognizing a rectangular area having the start point and the end point as a diagonal end point as a selection area.

The control unit may store the screen coordinates newly input after the screen coordinates of the starting point are input, and if the other screen coordinates are not input within 0.2 seconds after the input of the specific screen coordinates, the screen coordinates of the endpoints are determined. It is characterized by being stored as.

In addition, the control unit calculates the distance between the screen coordinates of the starting point and the screen coordinates of the end point, and determines that the input error is smaller than this predetermined minimum reference pixel, and if the input error is determined, the screen of the starting point A simple map scrolling is performed by displaying a map screen having coordinates as a screen center on a touch screen.

In addition, (d) after the step (c), if the control unit determines that a predetermined time has elapsed, a step of removing the pop-up window and automatically returning to a road guide mode in which only a map screen centered on the vehicle location is displayed on the touch screen is performed. It is characterized by including.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

The present invention relates to an enlarged display method of a navigation map screen touch area, wherein a navigation map screen touch area realizes selection and enlargement of a desired area and automatic return to a road guidance mode by a single operation of a user in a vehicle navigation system. It relates to an enlarged display method.

3 is a diagram illustrating a touch area enlargement display method according to the present invention, FIG. 4 is a flowchart illustrating a touch area enlargement display method according to the present invention, and FIG. 5 is a diagram illustrating a relationship between screen coordinates and map coordinates in the present invention. It is a figure for following.

First, in the present invention, since the configuration of the existing navigation system shown in FIG. 1 is used as it is, no additional device is required, and the present invention can be implemented only by modifying software.

That is, a control unit 3 including a CPU for performing a navigation map display operation, a touch screen (LCD) 7 which is both a display unit and an input unit, and a map data storage unit in which map data (map DB) is stored ( 4) etc. are used as it is, but the process of recognizing the area touched by the user as the selection area in the operation logic of the controller 3 and the process of enlarging the selection area and displaying it as a pop-up window are appropriately performed. Changed and added.

First, the present invention will be described with reference to FIG. 3.

While the map screen centered on the vehicle location is displayed on the entire screen (main screen) on the touch screen, that is, while the control unit of the navigation system is performing the road guidance mode, the user can view the map screen on the touch screen. It is necessary to select a specific area. In the present invention, the user touches a diagonal line including a desired area in order to select an area.

At this time, the control unit (reference numeral 3 of FIG. 1) is a virtual end point of the diagonal of the first and last coordinates of the coordinates input from the touch screen module (corresponding to reference numeral 8 of FIG. 1) by the continuous touch operation. The rectangular area is recognized as the selection area.

As such, when the control unit recognizes the selection area input by the user, the control unit outputs a signal to the touch screen module to generate a separate pop-up window on a part of the screen and to display the enlarged map screen of the selection area on the pop-up window. The map screen of the existing vehicle location center is displayed as it is on the full screen (main screen) of the touch screen.

After the predetermined time T, the control unit automatically removes the pop-up window. Accordingly, the control unit automatically returns to the road guide mode in which only the map screen centered on the vehicle location, that is, the road guide screen, is displayed on the main screen of the touch screen. do.

Hereinafter, the touch area enlarged display method of the present invention will be described in detail with reference to FIGS. 4 and 5.

First, in the road guidance mode in which the vehicle location center map screen is displayed, as described above, when the user continuously touches an area to be enlarged on the touch screen along a diagonal line including the area, the touch screen module starts from the touch screen module. The screen coordinates of and the screen coordinates of each point continuously touched thereafter are continuously output, and the controller stores the screen coordinates input from the touch screen module in two variables.

Here, the controller finally stores the screen coordinates (x1, y1) of the starting point and the screen coordinates (x2, y2) of the last input endpoint. The starting point screen coordinates are input and then a predetermined time is input after a specific screen coordinate is input. For example, when a new screen coordinate is not input within 0.2 seconds, the specific screen coordinate is stored as the endpoint screen coordinate.

If the re-input is recognized within 0.2 seconds, that is, a new screen coordinate is input, the newly input screen coordinate is stored together with the starting point screen coordinate.

That is, the controller continuously receives a new screen coordinate from the touch screen module while a touch is made in a diagonal direction after inputting a starting point. Once the new screen coordinate is stored as the endpoint screen coordinate, another screen coordinate is within 0.2 seconds. When is input, another screen coordinate is stored as the endpoint screen coordinate. If a new screen coordinate is not input within 0.2 seconds, the last screen coordinate entered is recognized as the final endpoint screen coordinate.

Of course, when new screen coordinates are input after 0.2 seconds, the screen coordinates are recognized and stored as the screen coordinates of the new starting point, and the screen coordinates input thereafter are stored as the screen coordinates of the end point.

When the user completes the area selection by performing the continuous touch operation on the touch screen as described above, the control unit recognizes a virtual rectangular area having these two points as diagonal end points from the screen coordinates of the input start and end points as the selection area. At the same time, the distance L between the two screen coordinates is calculated to compare the distance with a predetermined enlarged minimum reference pixel (eg, 10 pixels).

Here, if it is determined that the distance between the screen coordinates of the start point and the end point is smaller than the magnification minimum reference pixel, the area that is too small cannot be enlarged and displayed on the entire screen of the pop-up window, so that the user recognizes as one-touch (continuous touch input). Judging by the error) The map screen centered on the screen coordinates of the starting point is displayed on the touch screen (simple map scrolling).

On the other hand, if it is determined that the distance between the screen coordinates of the start point and the end point is greater than or equal to the enlarged minimum reference pixel, the enlarged map screen with the center coordinates of the selected area as the screen center is enlarged and displayed through a pop-up window.

In this case, the controller calculates a scale capable of displaying the selection area on the full screen of the pop-up window so that the map screen of the selection area can be displayed on the full screen of the pop-up window.

The controller reads the map data stored in the map data storage unit such as a CD-ROM and displays an enlarged map screen through a pop-up window.

In more detail, the center coordinates of the selection region are calculated from the screen coordinates of the starting point and the ending point. If the center coordinate of the selection region is (xC, yC), xC = (x1 + x2) / 2 And yC = (y1 + y2) / 2.

Thereafter, the controller converts each screen coordinate in the selected area into map coordinates, reads the converted map data of each map coordinate from the map data storage unit, converts each map coordinate into each screen coordinate on the pop-up window, By outputting a signal to the touch screen module to generate a strike window, an enlarged map screen of the selected area is displayed on the pop-up window based on each screen coordinate on the pop-up window and map data corresponding thereto.

At this time, the vehicle location center map screen is continuously displayed on the existing full screen of the touch screen, that is, the main screen.

In this way, a pop-up window is created separately from the existing full screen of the touch screen, that is, the main screen, and the enlarged map screen of the area selected by the user is displayed as a pop-up full screen, thereby allowing the user to enlarge the displayed screen on the pop-up window. From the map screen, you can examine the map information of the specific area you want in detail.

In addition, after the enlarged map screen of the selected area is displayed on the pop-up window as described above, even if there is no user manipulation, the controller determines that a predetermined time has elapsed and automatically removes the pop-up window. The system automatically returns to the road guidance mode in which only the map centered on the location is displayed.

4 illustrates a relationship between screen coordinates and map coordinates. The following relational expression is established between the screen window center map coordinates and the screen window center screen coordinates.

Screen Coordinates → Map Coordinate Conversion: XC = X0 + xC × (D / P), YC = Y0 + yC × (D / P)

Map coordinates → Screen coordinate conversion: xC = (XC-X0) × (P / D), yC = (YC-Y0) × (P / D)

As shown in the drawing, when the controller recognizes the area selected by the user on the map screen of the touch screen, the controller enlarges the selected area to display the entire screen of the pop-up window.

As described above, according to the navigation map screen touch area enlargement display method according to the present invention, when the driver continuously touches and selects an area to be enlarged on the touch screen in the road guidance mode while driving, the control unit performs a continuous touch operation. Recognizes the selected area and displays the enlarged map screen of the selected area through a separate pop-up window, and after a predetermined time elapses, the pop-up window is automatically removed to automatically return to the road guide mode. This will be.

1) After expanding the desired area on the touch screen with one continuous touch operation, the screen is automatically returned to the original guide screen, so that the number of operations can be reduced compared to the conventional one, and thus, the convenience of operation and the merchandise can be improved. do.

2) The operator can reduce the number of operation, which helps to drive safely, reduces the risk of accidents, and provides the advantage of using the navigation sufficiently.

Claims (5)

(a) In the road guidance mode in which the map screen centered on the vehicle location is displayed, by continuously touching a diagonal line of an area on which the user wants to enlarge on the touch screen, the first and second coordinates inputted from the touch screen module by the continuous touch operation; Inputting a selection area for recognizing a virtual rectangular area having the last coordinate as a diagonal end point; (b) a control unit receiving a signal according to a user's continuous touch operation from a touch screen module to recognize a selection area; (c) The control unit reads the map data in the selected area from the map data storage unit and outputs the signal to the touch screen module to create a separate pop-up window on a part of the touch screen screen, and at the same time, the enlarged map of the selected area on the pop-up window. Displaying a screen; Navigation map screen area enlarged display method comprising a. The method according to claim 1, The control unit finally stores the screen coordinates of the start point of the continuous touch input from the touch screen module and the screen coordinates of the last endpoint input, and continuously touches an input error from the screen coordinates of the start point and the screen coordinates of the endpoint. The controller determines whether the input error is an input error if the distance is smaller than a predetermined enlarged minimum reference pixel after calculating the distance between the screen coordinates of the start point and the screen coordinates of the end point. Perform a simple map scroll that displays a map screen centered on the screen coordinates on the touch screen, and if it is determined that the input error is not an input error, recognizes a rectangular area having the start point and the end point as a diagonal end point as the selection area (c). Enlarge the navigation area of the navigation map screen, characterized in that step Method City. The method according to claim 2, The control unit stores the screen coordinates that are newly input after the screen coordinates of the starting point are input, and if the new screen coordinates are not input within 0.2 seconds after the input of the new screen coordinates, the controller inputs the last input screen coordinates into the screen of the endpoint. Touch map enlarged display method of the navigation map screen, characterized in that stored in the coordinates. delete The method according to claim 1, (d) if the controller determines that the predetermined time has elapsed after the step (c), removing the pop-up window and automatically returning to a road guide mode in which only a map screen centered on the vehicle location is displayed on the touch screen. And a navigation map screen touch area enlarged display method.

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