CN112129312A - A map display method and device - Google Patents

Abstract

The present invention relates to map display technologies, and in particular, to a map display method and apparatus. The method comprises the following steps: obtaining map data, wherein the map data cover a first-level administrative area, and the first-level administrative area comprises a plurality of second-level administrative areas; distributing display data for each level of administrative regions; displaying a map of the primary administrative area according to the display data; and in response to receiving the selection information, displaying a map of the secondary administrative area corresponding to the selection information according to the display data. The invention can quickly switch a certain local area in the displayed map according to the requirements of the user so that the user can quickly find the destination.

Description

A map display method and device

technical field

The present invention relates to map display technology, and in particular, to a map display method, a map display device, and a computer-readable medium.

Background technique

The map is an image symbol model or a graphic mathematical model that reflects the objective reality with certain mathematical laws (ie, patterning), symbolization, and abstraction. According to certain mathematical rules, the map reflects the natural and humanistic phenomena on the earth (or other stars), using the map language, and comprehensively through cartography to reflect the spatial distribution, combination, connection and quantity of various phenomena in a reduced size. and quality characteristics and their evolution over time.

At present, thanks to the wide application of electronic equipment such as computers and mobile phones in cartography, the map is no longer limited to the use of symbols and graphics to express on paper (or similar media), it can be digitally stored on magnetic media, or visualized. The processing is expressed on the screen, so as to provide the function of route planning and guidance for users who are traveling or about to travel.

However, due to the complex roads and high-rise buildings in the current city, it is not easy to quickly find the location of the destination in the complex city map. Especially when the user does not know the specific address of the destination or the destination address is too complicated to be input by the user, the act of looking for the destination by consulting a paper or electronic map will seriously distract the user's attention, thereby cause traffic hazards.

Therefore, there is an urgent need in the art for a map display technology for rapidly switching and displaying a certain local area in the map according to user requirements, so that the user can quickly find its destination.

SUMMARY OF THE INVENTION

A brief summary of one or more aspects is presented below to provide a basic understanding of the aspects. This summary is not an exhaustive overview of all contemplated aspects and is neither intended to identify key or critical elements of all aspects nor attempt to delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

In order to quickly switch and display a certain local area in a map according to user requirements, the present invention provides a map display method, a map display device, and a computer-readable medium, so that users can quickly find their destination.

The above-mentioned map display method provided by the present invention comprises the steps of:

obtaining map data, where the map data covers a first-level administrative area, and the first-level administrative area includes a plurality of second-level administrative areas;

Allocate display data for administrative areas at all levels;

displaying a map of the first-level administrative area according to the display data; and

In response to receiving the selection information, a map of the secondary administrative area corresponding to the selection information is displayed according to the display data.

Preferably, in the above-mentioned map display method provided by the present invention, the allocation of display data to administrative regions at all levels may include the steps of:

assigning primary display data to said primary administrative area; and

Different secondary display data is allocated to the plurality of secondary administrative regions.

Preferably, in the above-mentioned map display method provided by the present invention, the display of the map of the first-level administrative region according to the display data may include the steps of:

displaying a map of the first-level administrative area according to the first-level display data; and

According to the secondary display data, the maps of the plurality of secondary administrative regions are respectively displayed on the map of the primary administrative region.

Optionally, in the above-mentioned map display method provided by the present invention, the display of the map of the first-level administrative region according to the display data may include the steps of:

The map of the first-level administrative area is displayed in a minimum enclosing rectangle according to the display data.

Optionally, in the above-mentioned map display method provided by the present invention, the display of the map of the secondary administrative area corresponding to the selection information according to the display data may include the steps of:

obtaining the selection information from the user interface;

determining display data of the secondary administrative area corresponding to the selection information according to the selection information; and

The map of the secondary administrative area corresponding to the selection information is displayed in a minimum enclosing rectangle according to the display data corresponding to the selection information.

Preferably, in the above-mentioned map display method provided by the present invention, the display of the map of the secondary administrative area corresponding to the selection information according to the display data may further include the steps of:

A map of the secondary administrative area corresponding to the selected information is highlighted.

Preferably, in the above-mentioned map display method provided by the present invention, it may further comprise the steps of:

In response to receiving the switching information, determine the map area of the currently displayed map;

In response to judging that the map area currently displayed on the map is a secondary administrative area, an index corresponding to each secondary administrative area is displayed respectively.

Optionally, in the above-mentioned map display method provided by the present invention, the second-level administrative area may further include a plurality of third-level administrative areas,

The distributing display data for all levels of administrative regions may further include the steps:

assigning different tertiary display data to the plurality of tertiary administrative regions;

The map display method may further comprise the steps of:

In response to receiving the selection information, a map of the tertiary administrative area corresponding to the selection information is displayed according to the display data.

Preferably, in the above-mentioned map display method provided by the present invention, it may further comprise the steps of:

In response to receiving the returned information, determine the map area of the currently displayed map;

In response to determining that the map area currently displayed on the map is a secondary administrative area, displaying a map of the primary administrative area to which the secondary administrative area belongs according to the display data; and

In response to determining that the map area currently displayed on the map is a third-level administrative area, display the map of the second-level administrative area to which the third-level administrative area belongs according to the display data; or display the third-level administrative area according to the display data A map of the first-level administrative region to which the region belongs.

According to another aspect of the present invention, a map display device is also provided herein.

The above-mentioned map display device provided by the present invention includes:

memory; and

a processor coupled to the memory and configured to:

obtaining map data, where the map data covers a first-level administrative area, and the first-level administrative area includes a plurality of second-level administrative areas;

Allocate display data for administrative areas at all levels;

displaying a map of the first-level administrative area according to the display data; and

In response to receiving the selection information, a map of the secondary administrative area corresponding to the selection information is displayed according to the display data.

Preferably, in the above map display device provided by the present invention, the processor may be further configured to:

assigning primary display data to said primary administrative area; and

Different secondary display data is allocated to the plurality of secondary administrative regions.

Preferably, in the above map display device provided by the present invention, the processor may be further configured to:

displaying a map of the first-level administrative area according to the first-level display data; and

According to the secondary display data, the maps of the plurality of secondary administrative regions are respectively displayed on the map of the primary administrative region.

Optionally, in the above map display device provided by the present invention, the processor may be further configured to:

The map of the first-level administrative area is displayed in a minimum enclosing rectangle according to the first-level display data.

Optionally, in the above map display device provided by the present invention, the processor may be further configured to:

obtaining the selection information from the user interface;

determining display data of the secondary administrative area corresponding to the selection information according to the selection information; and

The map of the secondary administrative area corresponding to the selection information is displayed in a minimum enclosing rectangle according to the display data corresponding to the selection information.

Preferably, in the above map display device provided by the present invention, the processor may be further configured to:

A map of the secondary administrative area corresponding to the selected information is highlighted.

Optionally, in the above map display device provided by the present invention, the processor may be further configured to:

In response to receiving the switching information, determine the map area of the currently displayed map;

In response to judging that the map area currently displayed on the map is a secondary administrative area, an index corresponding to each secondary administrative area is displayed respectively.

Optionally, in the above-mentioned map display device provided by the present invention, the secondary administrative area may further include a plurality of tertiary administrative areas,

The processor may be further configured to:

assigning different tertiary display data to the plurality of tertiary administrative regions; and

In response to receiving the selection information, a map of the tertiary administrative area corresponding to the selection information is displayed according to the display data.

Preferably, in the above map display device provided by the present invention, the processor may be further configured to:

In response to receiving the returned information, determine the map area of the currently displayed map;

In response to determining that the map area currently displayed on the map is a secondary administrative area, displaying a map of the primary administrative area to which the secondary administrative area belongs according to the display data; and

In response to determining that the map area currently displayed on the map is a third-level administrative area, display the map of the second-level administrative area to which the third-level administrative area belongs according to the display data; or display the third-level administrative area according to the display data A map of the first-level administrative region to which the region belongs.

According to another aspect of the present invention, a computer-readable medium is also provided herein.

The computer-readable medium provided by the present invention stores computer instructions, and when executed by the processor, the computer instructions can implement any one of the above-mentioned map display methods.

Description of drawings

The above-described features and advantages of the present invention can be better understood after reading the detailed description of the embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale and components with similar related characteristics or features may have the same or similar reference numerals.

FIG. 1 shows a schematic flowchart of a map display method provided according to an aspect of the present invention.

FIG. 2 shows a schematic display diagram of a map of Shanghai and its districts and counties provided according to an aspect of the present invention.

FIG. 3 shows a schematic display diagram of menus of districts and counties in Shanghai provided according to an aspect of the present invention.

FIG. 4 shows a schematic diagram of the display of the Jing'an area provided according to an embodiment of the present invention.

FIG. 5 shows a schematic diagram of displaying menus of districts and counties in Shanghai on a map of Jing'an District according to an embodiment of the present invention.

FIG. 6 shows a schematic structural diagram of a map display device provided according to another aspect of the present invention.

Reference number:

101-104 Steps of map display method;

60 map display devices;

61 memory;

62 processors;

63 User Interface.

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the invention will be presented in conjunction with the preferred embodiment, this does not mean that the features of the invention are limited to this embodiment. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the invention. The following description will contain numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Furthermore, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In addition, "top", "bottom", "left", "right", "top", "bottom", "horizontal", "vertical" used in the following description should be understood as the paragraph and related appendix The orientation shown in the figure. This relative term is only for convenience of description, and does not mean that the device described needs to be manufactured or operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

It will be understood that although the terms "first," "second," "third," etc. may be used herein to describe various components, regions, layers and/or sections, these components, regions, layers and/or sections These terms should not be limited and are only used to distinguish different components, regions, layers and/or sections. Thus, a first component, region, layer and/or section discussed below could be termed a second component, region, layer and/or section without departing from some embodiments of the present invention.

In order to quickly switch and display a certain local area in a map according to user requirements, the present invention provides an embodiment of a map display method, an embodiment of a map display device, and an embodiment of a computer-readable medium, so that users can quickly find their destination.

Please refer to FIG. 1 , which shows a schematic flowchart of a map display method according to an aspect of the present invention.

As shown in FIG. 1 , in the above-mentioned map display method provided in this embodiment, the steps may be included:

101: Get map data.

In the above-mentioned map display method provided in this embodiment, the above-mentioned map data may cover a first-level administrative region (for example: Shanghai), wherein Shanghai may further include Huangpu District, Xuhui District, Changning District, etc. The secondary administrative area of the city.

The map display device can obtain offline local map data from a local storage, and can also obtain online map data from a cloud server.

The above-mentioned map display device includes, but is not limited to, electronic devices such as mobile phones and on-board computers of vehicles. Correspondingly, the above-mentioned cloud server includes, but is not limited to, a cloud-based navigation server that is communicatively connected to the above-mentioned map display device.

Those skilled in the art can understand that, in this embodiment, by using the offline map data pre-stored in the local storage, the user can obtain map data within the required map range at any time even in an environment without a network.

In another embodiment, the online map data obtained from the cloud server has better real-time performance than offline map data. Therefore, by using the above-mentioned online map data obtained from the cloud server, the user can obtain real-time accurate map data, thereby more accurately switching different local areas on the map to find their destination.

It can be understood that the user can choose to adopt the above solution of acquiring offline local map data from the local storage or the above solution of acquiring online map data from the cloud server by operating the user interface of the map display device.

In order to more accurately display a certain local area in the map according to the user's needs, so that the user can find its destination more quickly, the above-mentioned map data may include multiple sets of sub-map data.

Please refer further to FIG. 2 , which shows a schematic display diagram of a map of Shanghai and its districts and counties provided according to an aspect of the present invention.

Specifically, as shown in FIG. 2 , the map display device may first obtain map data of Shanghai map and administrative division data of Shanghai according to the map range (for example: Shanghai) selected by the user on the user interface, so as to obtain the map data of Shanghai map and the administrative division data of Shanghai according to the map of Shanghai map. data and the administrative division data of Shanghai to determine the submap data of each district and county in Shanghai.

As shown in FIG. 1, the above-mentioned map display method provided in this embodiment may further include the steps:

102: Allocate display data for administrative areas at all levels.

The above-mentioned display data includes, but is not limited to, font size data, image outline data, and background color data.

In order to facilitate users who are unfamiliar with local conditions to distinguish the affiliation of different administrative regions, in the above-mentioned map display method provided in this embodiment, first-level display data may be allocated to the map data of Shanghai, and first-level display data may be allocated for the map data of Huangpu District, Xuhui District, and Changning District. The sub-map data of each secondary administrative area, such as districts, is assigned different secondary display data.

Specifically, as shown in FIG. 2 , the map display device can assign large font size, black image outline, and primary display data without background color to the map data of Shanghai. Correspondingly, the map display device can also assign medium font size, gray image outline, and secondary display data of different background colors to sub-map data of Baoshan District, Jiading District, Qingpu District and other districts and counties in Shanghai.

Those skilled in the art can understand that the above-mentioned scheme of allocating primary display data for the map data of Shanghai, and allocating secondary display data to the sub-map data of various districts and counties in Shanghai, such as Baoshan District, Jiading District, Qingpu District, is just this implementation. A preferred solution provided by the example is mainly used to inform users of the affiliation of different administrative regions, for example: Baoshan District with medium font size belongs to the subordinate administrative region of Shanghai with large font size; and Songjiang District with yellow background with medium font size Qingpu District with a medium-sized font and a red background is an administrative area at the same level, which makes it easy for users to filter areas layer by layer to narrow down the map to find their destination.

In other embodiments, those skilled in the art can also use other display schemes to distinguish administrative regions at different levels, or basically display the entire map with the same display data.

As shown in FIG. 1, the above-mentioned map display method provided in this embodiment may further include the steps:

103: Display the map of the first-level administrative area according to the display data.

Corresponding to the above-mentioned preferred scheme of distributing different display data for the administrative regions of different levels, the above-mentioned map display method provided by the present embodiment can also display the Shanghai map according to the map data of Shanghai and the first-level display data, and according to Baoshan District, Jiading District. , Qingpu District and other sub-map data of Shanghai's districts and counties and their corresponding secondary display data, respectively display the district-county maps corresponding to the sub-map data of Shanghai's districts and counties on the Shanghai map.

As shown in FIG. 2 , in the above-mentioned map display method provided in this embodiment, in order for the user to observe the map more clearly, the map display device can also use the minimum enclosing rectangle according to the map data of Shanghai and the above-mentioned first-level display data. Displays a map of Shanghai.

The above-mentioned minimum enclosing rectangle may refer to a rectangle determined by taking the longitude lines of the easternmost point and the westernmost point of the Shanghai map as the vertical line, and the latitude lines of the southernmost point and the northernmost point of the Shanghai map as the horizontal line.

Those skilled in the art can understand that the above solution of determining the minimum enclosing rectangle is only a specific solution provided for the public to better understand the concept of the present invention, rather than being used to limit the protection scope of the present invention.

As shown in FIG. 2 , in order to be more in line with the user’s observation habits, in the above-mentioned map display method provided in this embodiment, the latitude and longitude range of the above-mentioned rectangle can also be appropriately expanded to fully display the specific location of Shanghai and the surrounding adjacent administrative areas .

In other embodiments, those skilled in the art can also use the highest point, lowest point, leftmost point, and rightmost point of the Shanghai map displayed on the user interface in response to the user rotating the Shanghai map based on the concept of the present invention. Points are used as the benchmark to determine the above-mentioned minimum enclosing rectangle.

As shown in FIG. 1, the above-mentioned map display method provided in this embodiment may further include the steps:

104: In response to receiving the selection information, display a map of the secondary administrative area corresponding to the selection information according to the display data.

The above-mentioned selection information may be a trigger signal generated by the user by clicking on a user interface such as a touch screen of a mobile phone or a vehicle-mounted computer, and the map display device may acquire the selection information from the above-mentioned user interface to perform corresponding operations.

Please refer further to FIG. 3 , which shows a schematic diagram of displaying menus of various districts and counties in Shanghai provided according to an aspect of the present invention.

As shown in FIG. 3 , in response to the user long pressing or double clicking the Shanghai map in the user interface, the map display device may display menus of districts and counties in Shanghai. The menus of districts and counties in Shanghai may include index buttons corresponding to all secondary administrative regions subordinate to Shanghai, such as Huangpu District, Xuhui District, and Changning District, for the user to select.

In the above-mentioned map display method provided in this embodiment, in response to acquiring from the user interface the selection information that the user clicks on a certain secondary administrative area (for example, Jing'an District), the map display device may determine the sub-region of Jing'an District according to the selection information. Map data and its corresponding secondary display data, and according to the sub-map data of Jing'an District and its corresponding secondary display data, the Jing'an District map is displayed with the above-mentioned minimum enclosing rectangle.

Please refer further to FIG. 4 , which shows a schematic diagram of a display of a quiet zone provided according to an embodiment of the present invention.

As shown in Fig. 4, by adopting the above-mentioned solution of displaying the map of Jing'an District with the smallest enclosing rectangle, the map of Jing'an District can be enlarged to cover the entire display screen of the map display device, and the map of Jing'an District can be displayed in the center of the map display device. , so that users can find their destination more precisely or search further down the administrative area.

Optionally, in the above-mentioned map display method provided in this embodiment, in order to facilitate the user to more clearly distinguish the map range of Jing'an District from the map ranges of other districts, the map display device may also highlight the sub-map data of Jing'an District. The corresponding local area, so as to conspicuously illustrate the corresponding local area of Jing'an District in the Shanghai map.

In addition, in order to facilitate the user to clearly view the map of the selected administrative region, the map display device can also close the above-mentioned menus of districts and counties in Shanghai while displaying the map of Jing'an District with the smallest enclosing rectangle, so as to clearly display the map content.

In the above-mentioned map display method provided in this embodiment, a function of rapidly switching administrative areas is also preferably provided, so as to avoid users from clicking on the administrative area by mistake and opening the wrong administrative area map.

Please refer further to FIG. 5, which shows a schematic diagram of displaying menus of districts and counties in Shanghai on a map of Jing'an District according to an embodiment of the present invention.

As shown in Figure 5, the user can double-click or long-press any map area outside the Jing'an District map to trigger the function of quickly switching administrative areas.

In response to receiving the switching information obtained from the user interface, the map display apparatus may obtain the corresponding map data of the currently displayed map (ie, the Jing'an District map) to determine the map area of the currently displayed map.

In response to determining that the corresponding map data of the currently displayed map is the sub-map data of Jing'an District, it can be determined that the map area of the currently displayed map is Jing'an District, and the map display device can display the above-mentioned Shanghai district/county menu again. The menu of districts and counties in Shanghai may include index buttons corresponding to sub-map data of all secondary administrative regions of Shanghai, such as Huangpu District, Xuhui District, and Changning District, for the user to select.

In response to receiving the selection information obtained from the user interface that the user clicks on another secondary administrative area (for example: Huangpu District), the map display device may determine the sub-map data of Huangpu District and its corresponding secondary display data according to the selection information , and according to the sub-map data of Huangpu District and its corresponding secondary display data, the map of Huangpu District (secondary administrative area) is displayed with the above-mentioned minimum enclosing rectangle, so as to realize the function of quickly switching administrative areas.

Preferably, in order to facilitate the user to narrow down the map range layer by layer to quickly find his destination, the above-mentioned map display method provided in this embodiment can also display the local area of the current map layer by layer.

In other words, taking the above-mentioned Jing'an District as an example, the second-level administrative area subordinate to Shanghai may also include a plurality of third-level administrative areas subordinate to the street level of Jing'an District.

The above-mentioned map display method provided in this embodiment can also allocate different three-level display data to the secondary sub-map data of each street (three-level administrative area).

In response to receiving the selection information obtained from the user interface that the user clicks on a third-level administrative area (for example, Jing'an Temple Street in Jing'an District), the map display device may determine the secondary sub-map data of Jing'an Temple Street and the secondary sub-map data according to the selection information. The corresponding tertiary display data, and according to the secondary sub-map data of Jing'an Temple Street and its corresponding tertiary display data, the map of Jing'an Temple Street is displayed with the smallest enclosing rectangle.

In the above-mentioned map display method provided by this embodiment, a function of returning to the upper-level administrative area map is also preferably provided, so as to avoid the user clicking on the administrative area by mistake and opening the wrong administrative area map.

In other words, the user can click the return button provided on the map display device to input return information.

In response to receiving the above-mentioned returned information obtained from the user interface, the map display apparatus may obtain the corresponding map data of the currently displayed map (eg, the Jing'an Temple street map) to determine the map area of the currently displayed map.

In response to the corresponding map data of the currently displayed map being the secondary sub-map data of Jing'an Temple Street, the map display device can determine that the map area currently displayed on the map is Jing'an Temple Street (third-level administrative area), and then can determine according to Jing'an Temple Street's map area. The sub-map data of Jing'an District to which the secondary sub-map data belongs, and its corresponding secondary display data are used to display the map of Jing'an District (second-level administrative area).

Correspondingly, in response to receiving the above-mentioned returned information obtained from the user interface again, the map display apparatus may obtain the corresponding map data of the currently displayed map (ie, the Jing'an District map) again to determine the map area of the currently displayed map.

In response to the corresponding map data of the currently displayed map being the sub-map data of Jing'an District, the map display device can determine that the map area of the currently displayed map is Jing'an District (secondary administrative region), and then can according to which sub-map data of Jing'an District belongs to. Shanghai map data, and its corresponding first-level display data to display Shanghai map.

More preferably, the above-mentioned map display device may also be provided with a super return button for directly returning to the first-level administrative area map (ie, the Shanghai map in this embodiment).

In response to receiving the return information corresponding to the above-mentioned super return button obtained from the user interface, the map display device can directly display the Shanghai map according to the map data of Shanghai (first-level administrative region) and its corresponding first-level display data.

Those skilled in the art can understand that the above-mentioned return button and the above-mentioned super return button are only a description manner that is convenient for the public to understand, and are not used to limit the protection scope of the present invention. The above-mentioned return button and the above-mentioned super return button may be physical buttons arranged on the map display device, or button graphics displayed on the user interface, or even the operation rules preset on the map display device (for example: by tapping Backspace) key to instruct the map display device to perform the above-mentioned return operation, and simultaneously hitting the Shift key+Backspace key to instruct the map display device to perform the above-mentioned super return operation).

Those skilled in the art can also understand that the above-mentioned municipality is the first-level administrative area, district-level administrative areas such as Huangpu District and Jing'an District are the second-level administrative areas, and the street-level administrative areas such as Jing'an Temple Street are the third-level administrative areas. The case of the present invention is only to more clearly disclose the concept of the present invention, and to provide the public with a solution that can realize the present invention, rather than to limit the protection scope of the present invention.

In another embodiment, those skilled in the art can also, based on the concept of the present invention, take the country as the first-level administrative region, the provincial-level administrative region as the second-level administrative region, and the municipal-level administrative region as the third-level administrative region, And so on, in order to realize the layer-by-layer display of more-level map data, so as to visually describe the affiliation of various administrative regions such as provinces, cities, counties, towns, villages and townships on the map.

Although the above-described methods are illustrated and described as a series of acts for simplicity of explanation, it should be understood and appreciated that these methods are not limited by the order of the acts, as some acts may occur in a different order in accordance with one or more embodiments and/or occur concurrently with other actions from or not shown and described herein but understood by those skilled in the art.

According to another aspect of the present invention, an embodiment of a map display device is also provided herein.

Please refer to FIG. 6 , which shows a schematic structural diagram of a map display device 60 provided according to another aspect of the present invention.

As shown in FIG. 6 , the above-mentioned map display device 60 provided in this embodiment may include a memory 61 and a processor 62 coupled to the memory 61 .

The above-mentioned processor 62 is communicatively connected to the user interface 63, and can be configured to implement the map display method provided by any one of the above-mentioned embodiments, so as to quickly switch and display a certain local area in the map according to user requirements, so that the user can quickly find the map display method. destination.

According to another aspect of the present invention, a computer-readable medium embodiment is also provided herein.

The computer-readable medium provided in this embodiment may store computer instructions, and when executed by the processor 62, the computer instructions may implement the map display method provided by any of the above-mentioned embodiments, so as to quickly switch according to user requirements Displays a local area on the map so users can quickly find their destination.

Those of skill in the art would understand that information, signals and data may be represented using any of a variety of different technologies and techniques. For example, the data, instructions, commands, information, signals, bits, symbols, and chips recited throughout the above description may be composed of voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or optical particles, or any combination to represent.

Those skilled in the art will further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends on the specific application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The various illustrative logic modules, and circuits described in connection with the embodiments disclosed herein may be implemented using general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable Logic devices, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein are implemented or performed. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors cooperating with a DSP core, or any other such configuration.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integrated into the processor. The processor and storage medium may reside in the ASIC. The ASIC may reside in the user terminal. In the alternative, the processor and storage medium may reside in the user terminal as discrete components.

In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage medium can be any available medium that can be accessed by a computer. By way of example and not limitation, such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage, or other magnetic storage devices, or can be used to carry or store instructions or data structures in the form of Any other medium that conforms to program code and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave , then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc as used herein includes compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and blu-ray disc, where disks are often reproduced magnetically data, and discs reproduce the data optically with a laser. Combinations of the above should also be included within the scope of computer-readable media.

The previous description of the present disclosure is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to the present disclosure will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the spirit or scope of the present disclosure. Thus, the present disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (19)

1. a map display method, is characterized in that, comprises: obtaining map data, where the map data covers a first-level administrative area, and the first-level administrative area includes a plurality of second-level administrative areas; Allocate display data for administrative areas at all levels; displaying a map of the first-level administrative area according to the display data; and In response to receiving the selection information, a map of the secondary administrative area corresponding to the selection information is displayed according to the display data. 2. The map display method according to claim 1, wherein the allocating display data for administrative regions at all levels comprises: assigning primary display data to said primary administrative area; and Different secondary display data is allocated to the plurality of secondary administrative regions. 3. The map display method according to claim 2, wherein the displaying the map of the first-level administrative region according to the display data comprises: displaying a map of the first-level administrative area according to the first-level display data; and According to the secondary display data, the maps of the plurality of secondary administrative regions are respectively displayed on the map of the primary administrative region. 4. The map display method according to claim 2, wherein the displaying the map of the first-level administrative region according to the display data comprises: The map of the first-level administrative area is displayed in a minimum enclosing rectangle according to the first-level display data. 5. The map display method according to claim 1, wherein the displaying the map of the secondary administrative area corresponding to the selection information according to the display data comprises: obtaining the selection information from the user interface; determining display data of the secondary administrative area corresponding to the selection information according to the selection information; and The map of the secondary administrative area corresponding to the selection information is displayed in a minimum enclosing rectangle according to the display data corresponding to the selection information. 6 . The map display method according to claim 5 , wherein the displaying, according to the display data, the map of the secondary administrative area corresponding to the selection information further comprises: 6 . A map of the secondary administrative area corresponding to the selected information is highlighted. 7. The map display method of claim 1, further comprising: In response to receiving the switching information, determine the map area of the currently displayed map; In response to judging that the map area currently displayed on the map is a secondary administrative area, an index corresponding to each secondary administrative area is displayed respectively. 8. The map display method according to claim 1, wherein the secondary administrative area further comprises a plurality of tertiary administrative areas, The distribution of display data for administrative regions at all levels further includes: assigning different tertiary display data to the plurality of tertiary administrative regions; The map display method further includes: In response to receiving the selection information, a map of the tertiary administrative area corresponding to the selection information is displayed according to the display data. 9. The map display method of claim 8, further comprising: In response to receiving the returned information, determine the map area of the currently displayed map; In response to determining that the map area currently displayed on the map is a secondary administrative area, displaying a map of the primary administrative area to which the secondary administrative area belongs according to the display data; and In response to determining that the map area currently displayed on the map is a third-level administrative area, display the map of the second-level administrative area to which the third-level administrative area belongs according to the display data; or display the third-level administrative area according to the display data A map of the first-level administrative region to which the region belongs. 10. A map display device, comprising: memory; and a processor coupled to the memory and configured to: obtaining map data, the map covers a first-level administrative area, and the first-level administrative area includes a plurality of second-level administrative areas; Allocate display data for administrative areas at all levels; displaying a map of the first-level administrative area according to the display data; and In response to receiving the selection information, a map of the secondary administrative area corresponding to the selection information is displayed according to the display data. 11. The map display device of claim 10, wherein the processor is further configured to: assigning primary display data to said primary administrative area; and Different secondary display data is allocated to the plurality of secondary administrative regions. 12. The map display device of claim 11, wherein the processor is further configured to: displaying a map of the first-level administrative area according to the first-level display data; and According to the secondary display data, the maps of the plurality of secondary administrative regions are respectively displayed on the map of the primary administrative region. 13. The map display device of claim 11, wherein the processor is further configured to: The map of the first-level administrative area is displayed in a minimum enclosing rectangle according to the first-level display data. 14. The map display device of claim 10, wherein the processor is further configured to: obtaining the selection information from the user interface; determining display data of the secondary administrative area corresponding to the selection information according to the selection information; and The map of the secondary administrative area corresponding to the selection information is displayed in a minimum enclosing rectangle according to the display data corresponding to the selection information. 15. The map display device of claim 14, wherein the processor is further configured to: A map of the secondary administrative area corresponding to the selected information is highlighted. 16. The map display device of claim 10, wherein the processor is further configured to: In response to receiving the switching information, determine the map area of the currently displayed map; In response to judging that the map area currently displayed on the map is a secondary administrative area, an index corresponding to each secondary administrative area is displayed respectively. 17. The map display device according to claim 10, wherein the secondary administrative area further comprises a plurality of tertiary administrative areas, The processor is further configured to: assigning different tertiary display data to the plurality of tertiary administrative regions; and In response to receiving the selection information, a map of the tertiary administrative area corresponding to the selection information is displayed according to the display data. 18. The map display device of claim 17, wherein the processor is further configured to: In response to receiving the returned information, determine the map area of the currently displayed map; In response to determining that the map area currently displayed on the map is a secondary administrative area, displaying a map of the primary administrative area to which the secondary administrative area belongs according to the display data; and In response to determining that the map area currently displayed on the map is a third-level administrative area, display the map of the second-level administrative area to which the third-level administrative area belongs according to the display data; or display the third-level administrative area according to the display data A map of the first-level administrative region to which the region belongs. 19. A computer readable medium having stored thereon computer instructions which, when executed by a processor, implement the method of any of claims 1-9.

Images