CN111382223B - Electronic map display method, terminal and electronic equipment - Google Patents
Electronic map display method, terminal and electronic equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a display method of an electronic map, a terminal and electronic equipment. The display method of the electronic map comprises the following steps: receiving a demand instruction to be displayed, which is input by a user, wherein the demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying historical geographic resources; determining at least one historical geographic resource identifier according to the demand instruction to be displayed, wherein each historical geographic resource identifier corresponds to at least one position data or picture; displaying the at least one historical geographic resource according to the identification of the at least one historical geographic resource; the picture and the position data of the historical geographic resource are obtained by matching and adjusting the original picture and the original data of the historical geographic resource by using an electronic map coordinate system. The embodiment of the invention can effectively display the change of calendar-oriented ARUM or other changes, so that the display is more vivid and clear, and the application range of the electronic map is improved.
Description
Technical Field
The embodiment of the invention relates to an electronic technology, in particular to a display method of an electronic map, a terminal and electronic equipment.
Background
The map is a graph which depicts and displays the natural geography, administrative area and social condition of the earth surface by using lines, symbols, colors, character marks and the like according to a certain proportion. The map language is used, and through drawing synthesis, the spatial distribution, combination, connection, quantity and quality characteristics of various phenomena and the development changes thereof in time are reflected on a plane in a reduced manner.
The map is classified by a storage medium, and may include a paper map, a film map, a silk map, a magnetic medium map (optical disc map, electronic map), and the like. It can be applied to fields such as teaching. In the teaching field, paper maps or electronic pictures are generally adopted for teaching explanation.
However, the paper map or the electronic picture contains limited information and has a single form, which cannot meet the use requirement of the user.
Disclosure of Invention
The embodiment of the invention provides a display method, a terminal and electronic equipment of an electronic map, which are used for effectively displaying the change of calendar-oriented ARUM or other changes, so that the display of the map is more vivid and clear, and the application range of the electronic map is improved.
In a first aspect, an embodiment of the present invention provides a method for displaying an electronic map, including:
receiving a demand instruction to be displayed, which is input by a user, wherein the demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying historical geographic resources;
determining at least one historical geographic resource identifier according to the demand instruction to be displayed, wherein each historical geographic resource identifier corresponds to at least one position data or picture;
displaying the at least one historical geographic resource according to the identification of the at least one historical geographic resource;
the picture and the position data of the historical geographic resource are obtained by matching and adjusting the original picture and the original data of the historical geographic resource by using an electronic map coordinate system.
In a second aspect, an embodiment of the present invention provides a terminal, including a display, a processor, and a memory;
the processor is used for acquiring a demand instruction to be displayed, which is input by a user, and the demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying historical geographic resources; determining at least one historical geographic resource identifier according to the demand instruction to be displayed, wherein each historical geographic resource identifier corresponds to at least one position data or picture; displaying the at least one historical geographic resource through the display according to the identification of the at least one historical geographic resource; the picture and the position data of the historical geographic resource are obtained by matching and adjusting the historical picture and the historical position data by using an electronic map coordinate system;
the memory is used for storing pictures and position data of the historical geographic resources;
the display is used for displaying the at least one historical geographic resource
In a third aspect, an embodiment of the present invention provides an electronic device, including:
a memory for storing a computer program;
a processor for executing the computer program to implement the method as described in the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer storage medium, including: the computer storage medium is for storing a computer program which, when executed, is for implementing the method according to the first aspect.
According to the display method, the terminal and the electronic device of the electronic map, the resource information to be displayed is determined according to the demand instruction to be displayed, the resource information to be displayed comprises the identification of at least one multimedia resource, the multimedia resource comprises the data resource or the picture resource, the at least one multimedia resource is displayed according to the resource information to be displayed, wherein the data resource and the picture resource are resources obtained by matching and adjusting historical multimedia resources by using an electronic map coordinate system, the data resource and/or the picture resource displayed by the embodiment have the same coordinate system, and therefore the display method of the electronic map of the embodiment can effectively display calendar-to-calendar-of-calendar-ARUM changes or other changes, and the application range of the electronic map is widened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of an application scenario of a display method of an electronic map of the present invention;
FIG. 2 is a flowchart of a method for displaying an electronic map according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for displaying an electronic map according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating a process for creating the data resource database according to an embodiment of the present invention;
FIG. 5A is a flowchart illustrating a process for creating the picture resource database according to an embodiment of the present invention;
FIG. 5B is a schematic diagram of an electronic map coordinate system according to an embodiment of the present invention;
FIG. 5C is a diagram illustrating a history picture resource according to an embodiment of the present invention;
FIG. 5D is a schematic diagram of an embodiment of the present invention before matching adjustment;
FIG. 5E is a schematic diagram of an embodiment of the present invention after matching adjustment;
FIG. 6 is a schematic diagram of a contour diagram according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display device for an electronic map according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an electronic device 700 according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
Fig. 1 is a schematic diagram of an application scenario of the method for displaying an electronic map according to the present invention, as shown in fig. 1, a terminal may obtain a to-be-displayed demand instruction input by a user, where the to-be-displayed demand instruction is used to trigger at least one of a picture and position data for displaying a historical geographic resource, by using the method for displaying an electronic map according to the present invention, a background server may display the picture and/or position data of the corresponding historical geographic resource to the user, where the picture and the position data of the historical geographic resource are obtained by using an electronic map coordinate system to match and adjust an original picture and original data of the historical geographic resource, that is, display the matched and adjusted position data and/or picture to the user, thereby implementing display of the picture and position data of the historical geographic resource, for example, display of calendar to a calendar-of-arced domain, so as to improve diversity and richness of display of the historical data resource, and promote an application range of the electronic map. For example, the method can be applied to teaching, so that the display in the teaching process is more vivid and clear, and the teaching quality can be improved. It will be understood, of course, that the invention is not limited to the specific embodiments described herein, but may be practiced otherwise than as specifically described.
Fig. 2 is a flowchart of a method for displaying an electronic map according to an embodiment of the present invention, where an execution body of the embodiment may be a display device of the electronic map, and the device may be a terminal or an internal chip of the terminal, or may be a server or an internal chip of the server, as shown in fig. 2, and the method of the embodiment may include:
step 101, receiving a demand instruction to be displayed, which is input by a user.
The demand instruction to be displayed can be generated according to a voice signal of a user, can be generated according to characters input by the user, can be generated according to clicking of a corresponding physical button or virtual graphic assembly by the user, and can be flexibly set according to demands. The demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying the historical geographic resources.
When the device is a terminal or an internal chip of the terminal, a user can operate the terminal, the terminal or the internal chip of the terminal generates the demand instruction to be displayed according to the operation of the user, and the terminal or the internal chip of the terminal executes the steps of the method in the embodiment of the invention to realize the display of the historical geographic resources.
When the device is a server or an internal chip of the server, a user can operate the terminal, the terminal or the internal chip of the terminal generates the demand instruction to be displayed according to the operation of the user, and the demand instruction to be displayed is sent to the server, and the server or the internal chip of the server executes the method steps of the embodiment of the invention to realize the display of the historical geographic resources.
Step 102, determining at least one identifier of a historical geographic resource according to the demand instruction to be displayed, wherein each identifier of the historical geographic resource corresponds to at least one position data or picture.
The method comprises the steps of determining at least one identifier of a historical geographic resource according to a demand instruction to be displayed, wherein different demand instructions to be displayed can correspond to different identifiers of the historical geographic resource, and one identifier of the historical geographic resource can correspond to at least one position data or picture. The position data may be specifically obtained by matching and adjusting at least one of historical interest point (Point of Interest, POI) information, historical road information, historical transformation information, historical state information and the like, and the picture may be specifically obtained by matching and adjusting at least one of a size, a pixel, a line, a color, a proportion and the like of an original picture of a historical geographic resource. Each location data or picture is identified using an identification.
The historical geographic resources referred to herein may be various natural and anthropogenic phenomena in the geographic environment of the earth's surface, such as terrain, territories, etc., which change over time. Historical geographic resources are typically described and recorded using pictures or data. The historical geographic resources may include: any one of a history field change resource, a history climate change resource, a history water system change resource and a history region division resource.
In contrast to the prior art, most of the maps used for teaching are paper maps or pictures acquired on a network, the position data and/or the pictures displayed in the embodiment of the invention are display resources obtained by matching and adjusting the original pictures and/or the original data by using an electronic map coordinate system. The position data and/or the pictures displayed by the embodiment have the same coordinate system, so that the display method of the electronic map of the embodiment can effectively display the calendar-oriented calendar domain change or other changes, so that the display in the teaching process is more vivid and clear, and the teaching quality can be improved.
For example, the to-be-displayed demand instruction is an instruction for triggering display of a region map of qing dynasty, and the display device of the electronic map of the embodiment determines, according to the instruction, an identifier of at least one historical geographic resource corresponding to the instruction, where the identifier includes 001 and 002, where 001 corresponds to a region map of qing dynasty and 002 corresponds to division information of each region of qing dynasty.
Step 103, displaying the at least one historical geographic resource according to the identification of the at least one historical geographic resource.
Specifically, geographic data and/or pictures can be obtained according to the identification of the at least one historical geographic resource, and the geographic data and/or pictures can be displayed.
By further illustration of the above example, the corresponding qing dynasty region picture is obtained according to the identifier 001, the corresponding region division information is obtained according to the identifier 002, and the qing dynasty region picture and the region division information are displayed.
It should be noted that, the above-mentioned demand instruction to be displayed may include: the method comprises the steps of any one of an instruction for triggering the display of the change of the area, an instruction for triggering the display of the climate change, an instruction for triggering the display of the water system change and an instruction for triggering the display of the historical area division. I.e. different instructions for triggering the presentation of different position data and/or pictures.
When the device is a terminal or an internal chip of the terminal, the display is controlled by the terminal or the internal chip of the terminal to display at least one historical geographic resource. When the device is a server or an internal chip of the server, the server or the internal chip of the server transmits corresponding information to the terminal to display at least one historical geographic resource on a display of the terminal.
Optionally, the scheme in this embodiment may further perform corresponding voice playing according to the displayed historical geographic resources, for example, historical transformation information, or may further combine a corresponding historical story, a current location of a ancient and modern building, and so on.
According to the method, through receiving a demand instruction to be displayed, which is input by a user, and determining at least one identifier of a historical geographic resource according to the demand instruction to be displayed, each identifier of the historical geographic resource corresponds to at least one position data or picture, and the at least one historical geographic resource is displayed according to the identifier of the at least one historical geographic resource, wherein the pictures and the position data of the historical geographic resource are obtained by matching and adjusting original pictures and original data of the historical geographic resource by using an electronic map coordinate system, and the displayed position data and/or pictures have the same coordinate system, so that the display method of the electronic map of the embodiment can effectively display calendar-oriented calendar-of-China change or other changes, display of the electronic map is enabled to be more vivid and clear, and the application range of the electronic map is improved.
The technical solution of the method embodiment shown in fig. 2 will be described in detail below using several specific embodiments.
Fig. 3 is a flowchart of a display method of an electronic map according to an embodiment of the present invention, where the embodiment is a more specific implementation manner of the embodiment shown in fig. 2, and in the process of determining the identifier of at least one historical geographic resource, the method of the present embodiment includes, first determining the identifier of the resource to be displayed according to the to-be-displayed demand instruction, and then determining the identifier of the at least one historical geographic resource according to the identifier of the resource to be displayed, where the specific implementation manner may be explained with reference to the following, as shown in fig. 3, where the method of the present embodiment may include:
step 201, receiving a demand instruction to be displayed, which is input by a user.
The specific explanation of step 201 may refer to step 101 in the embodiment shown in fig. 2, which is not described herein.
And 202, determining the identification of the resource to be displayed according to the demand instruction to be displayed.
Specifically, different instructions correspond to different identifiers of resources to be displayed, for example, an instruction for triggering the display of the change of the area, an instruction for triggering the display of the climate change, an instruction for triggering the display of the water system change and an instruction for triggering the display of the division of the history area correspond to different identifiers of resources to be displayed respectively.
The identifiers of different resources to be displayed may also correspond to the same or different display modes. The display mode includes comparison or display of different types of requirements, for example, the water system, the area and the climate content transition of a certain dynasty in a certain time period can be displayed according to the requirements, or the effect diagram of the comparison of the change of the area or the water system between different dynasties can be displayed in an overlapping mode or in a blocking mode according to the requirements, and the content with different changes can be marked.
For example, the identifier of the resource to be displayed corresponding to the instruction for triggering the domain change display is DIS01000001, and the identifier of the resource to be displayed corresponding to the instruction for triggering the water system transition display is DIS01000002. And determining the identification of the resources to be displayed according to the demand instruction to be displayed received in step 201.
Step 203, determining the identification of the at least one historical geographic resource according to the identification of the resource to be displayed and the display resource database.
The display resource database comprises a plurality of identifiers of resources to be displayed and identifiers of historical geographic resources corresponding to the identifiers of the resources to be displayed.
In one implementation manner, the display resource database may store the identifiers of a plurality of resources to be displayed and the identifiers of the historical geographic resources corresponding to the identifiers of the resources to be displayed in the form of a table, as shown in the following table 1.
TABLE 1
| Identification mark | (Resource) | Sequential order | Trigger condition | Speech sound |
| DIS010000001 | PD20180131P01001 | N001 | 01 | V1 |
| DIS010000002 | PI20180131P02002 | N002 | 01 | V2 |
Wherein, the Identification (ID) field is used for storing the identification of the resource to be displayed; the resource (SOURCE) field is used to store an identification corresponding to the corresponding picture and/or location data. Further describing the identification of the resource to be displayed according to table 1 and the above step 202 by taking DIS01000001 as an example, the identification of the historical geographic resource corresponding to DIS01000001 is PD20180131P01001.
Optionally, the presentation resource database may further include a presentation mode corresponding to the identifier of each resource to be displayed, that is, an ORDER field as shown in table 1, where the ORDER (ORDER) field is used to indicate different presentation modes, and may be used in match with a TRIGGER condition (TRIGGER) field, for example, 01 refers to displaying in ORDER, and 02 refers to displaying simultaneously.
Optionally, the presentation resource database may also include a Voice (VIOCE) field, which may indicate audio data.
Step 204, obtaining the picture and the position data of the at least one historical geographic resource from the data resource database and the picture resource database according to the identification of the at least one multi-historical geographic resource.
In one implementation, the data resource database stores the correspondence between the identification of the location data and the respective description information of the location data in a tabular form. The picture resource database stores the correspondence between the identification of the picture and the description information of the picture in a table form. For example, the DATA resource database is shown as data_p in table 2 below, and the PICTURE resource database is shown as picture_p in table 3 below.
Table 2DATA_P
As shown in table 2, it includes an identification field (pd_id) for storing identification of location data, a NAME field (NAME) for storing a NAME corresponding to the location data, a TYPE field (TYPE) for storing a TYPE of the location data, a profile field (introbustion) for storing a brief description of the location data, and X and Y fields for storing X and Y coordinates of the location data in an electronic map coordinate, respectively. An association field (picture_id) for storing an identification of a PICTURE to which the position data is associated, a VOICE field (VOICE) for indicating a VOICE tone or VOICE resource, etc.
Table 3picture_p
| PICTURE_ID | INTRODUCTION | TIME |
| PI20180131P02001 | Source | Time of manufacture |
| PI20180131P02002 | Source | Time of manufacture |
As shown in table 3, it includes an identification field (picture_id) of the PICTURE, a profile field (intra) for storing a brief description of the PICTURE, such as a source, a TIME field (TIME), for storing a production TIME.
The picture and/or location data of the at least one geographical location resource may be obtained from table 2 and table 3 above based on the identification of the picture and/or the identification of the location data.
Step 205, displaying the at least one historical geographic resource in the display mode.
Specifically, the obtained picture and/or the position data may be displayed in the display manner indicated by the sequence field in table 1. And when the identification of the resource to be displayed also corresponds to the audio data, playing the corresponding audio data at the same time. For example, the audio data may be a corresponding history story, a current location's ancient and modern architecture, etc.
According to the embodiment, through receiving a demand instruction to be displayed, which is input by a user, determining an identifier of a resource to be displayed according to the demand instruction to be displayed, determining an identifier of at least one historical geographic resource according to the identifier of the resource to be displayed and a display resource database, wherein the display resource database can also comprise a display mode corresponding to the identifier of each resource to be displayed, acquiring pictures and/or position data of at least one historical geographic resource from a data resource database and a picture resource database according to the identifier of the at least one historical geographic resource, and displaying the at least one historical geographic resource in the display mode, wherein the position data and the pictures are obtained after matching and adjusting original pictures and original position data of the historical geographic resource by using an electronic map coordinate system. The position data and/or the pictures displayed by the embodiment have the same coordinate system, so that the display method of the electronic map can effectively display the calendar-ward calendar-generation territory change or other changes, the display is more vivid and clear, and the application range of the electronic map is improved.
Fig. 4 is a flowchart of a process for creating the data resource database according to an embodiment of the present invention, as shown in fig. 4, where the method of this embodiment may include:
step 301, obtaining original data of a historical geographic resource, wherein the original data comprises at least one of historical interest point information, historical road information, historical transformation information and historical state information.
Wherein, the original data of the historical geographic resource can be sourced from a network, an original paper map and the like.
Step 302, searching actual coordinates corresponding to the original data in the electronic map coordinate system according to the original data, and taking the actual coordinates as the position data of the historical geographic resources.
And matching all collected historical POI information, historical road information and the like with an electronic map coordinate system, recording X, Y coordinate information after matching, and recording relevant information such as corresponding transition years, transition reasons and the like into the DATA resource database DATA_P table of the embodiment after matching. For example, when the historical POI information is registered, according to the position described by the historical POI information, the corresponding actual coordinates in the electronic map coordinate system are searched, and the actual coordinates are recorded in the data_p table.
And 303, establishing the data resource database according to the identification of the historical geographic resource and the position data.
Specifically, the DATA resource database data_p table of the above embodiment may be generated through step 303. The data_p table records an identification of the position DATA, a name, a type of the position DATA, actual coordinates, and the like.
According to the method, the original data of the historical geographic resources are obtained, the original data resources comprise at least one of historical interest point information, historical road information, historical transformation information and historical state information, actual coordinates corresponding to the original data are searched in the electronic map coordinate system according to the original data, the data resource database is built according to the identification of the historical geographic resources and the actual coordinates, the association relation between the original data and the electronic map coordinates is built, and the position data of the historical geographic resources are displayed in the electronic map coordinate system.
Fig. 5A is a flowchart of an establishment process of the foregoing picture resource database according to an embodiment of the present invention, fig. 5B is a schematic diagram of an electronic map coordinate system according to an embodiment of the present invention, fig. 5C is a schematic diagram of a history picture resource according to an embodiment of the present invention, fig. 5D is a schematic diagram before matching adjustment according to an embodiment of the present invention, fig. 5E is a schematic diagram after matching adjustment according to an embodiment of the present invention, and as shown in fig. 5A, the method of the present embodiment may specifically explain the picture resource database based on any one of the foregoing embodiments:
step 401, obtaining an original picture of a historical geographic resource.
The original pictures of the historical geographic resources can be derived from networks, original paper maps and the like.
It should be noted that the problem of copyright of the original picture needs to be solved by a specific embodiment, which is not within the scope of the description herein. The matching and adjustment process is performed on the original picture (shown in fig. 5C) of the historical geographic resource by using the electronic map coordinate system (shown in fig. 5B) through the following steps.
Step 402, selecting at least four positioning points in the original pictures of the historical geographic resources.
Wherein the coordinates of the at least four positioning points are the same as the coordinates of the corresponding points in the electronic map coordinate system, for example, the four selected positioning points are shown in fig. 5D.
Step 403, matching the original picture of the historical geographic resource with the electronic map coordinate system according to the coordinates of the at least four positioning points in the electronic map coordinate system, adjusting the original picture of the historical geographic resource, obtaining an adjusted picture, and taking the adjusted picture as the picture of the historical geographic resource.
After the at least four positioning points are determined, matching is required according to the national boundary line and the history of the latest basic layer, the outline exceeding or less than the national boundary line is uniformly adjusted to coincide with the national boundary line of the latest basic layer, after the history is matched, the outline of the collected picture is required to be stretched or retracted, the boundary of the layer is redetermined, stretching or retracting is performed according to the detailed position, the coordinates and the position adjustment of the basic layer are referred to, if necessary, a world map is referred to as the basic layer (the principle is referred to when the adjustment is performed according to province or administrative division), the history is required to be followed when the adjustment is performed according to the history, and the sizes of partial water systems and the domain may be different from the existing map, and the difference belongs to normal change without special treatment or deletion.
When the collected historical picture resources are irregular quadrilaterals and the pictures are inclined to a certain extent and cannot be directly intercepted into regular rectangles, the pictures are required to be stretched in a diagonal manner according to the inclined direction and are adjusted into regular and adjustable rectangles, and the stretching can be carried out for a plurality of times so that the pictures are more regular.
The oblique-view picture may have certain deviations, and the deviations may be adjusted according to the at least 4-point correction and the boundary line adjustment modes. For example, the adjusted picture may be as shown in fig. 5E.
And step 404, establishing the picture resource database according to the pictures of the historical geographic resources and the identification of the historical geographic resources.
That is, an identification of the picture is generated to identify the picture after the adjustment processing, a picture resource database as in table 3 is established, and the adjusted picture is stored.
Optionally, the region boundary information of the adjusted picture may be extracted to generate a contour map, so that the picture may be the contour map. Fig. 6 is a schematic diagram of a contour diagram according to an embodiment of the invention.
According to the method, at least four positioning points are selected from original pictures of historical geographic resources, the original pictures of the historical geographic resources are matched with the electronic map coordinate system according to the coordinates of the at least four positioning points in the electronic map coordinate system, the original pictures of the historical geographic resources are adjusted, adjusted pictures are obtained, a picture resource database is built according to the adjusted pictures and the identification of the historical geographic resources, association relation between the pictures of the historical geographic resources and the electronic map coordinate is built, and the adjusted pictures are displayed in the electronic map coordinate system.
Fig. 7 is a schematic structural diagram of a display device for an electronic map according to an embodiment of the present invention, as shown in fig. 7, the device in this embodiment may include: the device comprises a receiving module 11, a resource determining module 12 and a displaying module 13, wherein the receiving module 11 is used for receiving a demand instruction to be displayed, which is input by a user, and the demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying historical geographic resources. The resource determining module 12 is configured to determine, according to the demand instruction to be displayed, an identifier of at least one historical geographic resource, where each identifier of the historical geographic resource corresponds to at least one location data or picture. The display module 13 is configured to display the at least one historical geographic resource according to the identifier of the at least one historical geographic resource, where the picture and the position data of the historical geographic resource are obtained by matching and adjusting an original picture and original data of the historical geographic resource by using an electronic map coordinate system.
Optionally, the resource determining module 12 is configured to determine an identifier of a resource to be displayed according to the demand instruction to be displayed; determining the identification of the at least one historical geographic resource according to the identification of the resource to be displayed and a display resource database; the display resource database comprises a plurality of identifiers of resources to be displayed and identifiers of historical geographic resources corresponding to the identifiers of the resources to be displayed.
Optionally, the presentation resource library further includes audio data corresponding to the identifier of the resource to be displayed, and the presentation module 13 is further configured to: and playing the audio data according to the identification of the resource to be displayed.
Optionally, the display resource database further includes a display mode corresponding to the identifier of each resource to be displayed, and the display module 13 is configured to obtain, from the data resource database and the picture resource database, the picture and the position data of at least one historical geographic resource according to the identifier of the at least one historical geographic resource; and displaying the at least one historical geographic resource in the display mode.
Optionally, the apparatus further includes: a data resource database module 14, configured to obtain raw data of the historical geographic resource, where the raw data includes at least one of historical interest point information, historical road information, historical transformation information, and historical state information; searching actual coordinates corresponding to the original data in the electronic map coordinate system according to the original data, and taking the actual coordinates as the position data of the historical geographic resources; and establishing the data resource database according to the identification of the historical geographic resource and the position data.
Optionally, the apparatus further includes: a picture resource database module 15, configured to obtain an original picture of the historical geographic resource; selecting at least four positioning points from the original pictures of the historical geographic resources; matching the original picture of the historical geographic resource with the electronic map coordinate system according to the coordinates of the at least four positioning points in the electronic map coordinate system, adjusting the original picture of the historical geographic resource, acquiring an adjusted picture, and taking the adjusted picture as the picture of the historical geographic resource; and establishing the picture resource database according to the pictures of the historical geographic resources and the identifications of the historical geographic resources.
Optionally, the picture resource database module 15 is further configured to: and extracting region boundary information of the adjusted picture, generating the contour map, and taking the contour map as the picture of the historical geographic resource.
Optionally, the to-be-displayed demand instruction includes: any one of an instruction for triggering the display of the change of the area, an instruction for triggering the display of the climate change, an instruction for triggering the display of the water system change and an instruction for triggering the display of the historical area division.
The device of the present embodiment may be used to execute the technical solution of the foregoing method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
The embodiment of the invention also provides a terminal which can comprise a display, a processor and a memory. The processor may correspond to the various functional modules of the embodiment shown in fig. 7 described above for performing the corresponding method steps, wherein it may display the at least one historical geographical resource via a display, a memory for storing pictures and location data of the historical geographical resource. The implementation principle and technical effect are similar, and are not repeated here.
Fig. 8 is a schematic diagram of an electronic device 700 according to an embodiment of the present invention, as shown in fig. 8, the device includes: memory 701, processor 702, and transceiver 703.
The memory 701 is configured to store instructions to enable the processor 702 to execute the instructions to implement the method for displaying an electronic map.
The transceiver 703 is used to enable communication with other devices.
The processor 702 may be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC), digital signal processor (Digital Signal Processor, DSP), digital signal processing device (Digital Signal Processing Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), controller, microcontroller, microprocessor or other electronic element.
The Memory 701 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk, or optical disk.
The electronic device provided by the application can be used for executing the display method of the electronic map, and the content and effects of the electronic device are not described herein.
The electronic device may be a smart phone, a tablet computer, a personal computer (Personal Computer, PC), a projection device or other display device, etc., which is not particularly limited in the embodiments of the present invention.
The present application also provides a storage medium comprising: the storage medium includes instructions for implementing the method for displaying an electronic map described above. The contents and effects thereof are not described in detail herein.
The application provides a computer program product comprising instructions for implementing the above-described method for displaying an electronic map. The contents and effects thereof are not described in detail herein.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The display method of the electronic map is characterized by comprising the following steps of:
receiving a demand instruction to be displayed, which is input by a user, wherein the demand instruction to be displayed is used for triggering at least one of pictures and position data for displaying historical geographic resources, the demand instruction to be displayed comprises an instruction for triggering the display of change of a territory, an instruction for triggering the display of climate change, an instruction for triggering the display of water system change and an instruction for triggering the display of division of historical territories, and the display mode corresponding to the demand instruction to be displayed comprises the display of water systems, territories and climate content change of the same dynasties in the same time period, or the display of effect graphs for comparing the change of the territories or the water systems among different dynasties;
determining at least one historical geographic resource identifier according to the demand instruction to be displayed, wherein each historical geographic resource identifier corresponds to at least one position data or picture;
displaying the at least one historical geographic resource according to the identification of the at least one historical geographic resource;
the picture of the historical geographic resource is obtained by stretching or retracting the outline of the original picture of the historical geographic resource exceeding or being less than the national boundary range of the base layer according to the coordinates of at least four locating points in the electronic map coordinate system in the original picture of the historical geographic resource, and adjusting the outline to be coincident with the national boundary of the base layer.
2. The method of claim 1, wherein said determining an identification of at least one historical geographic resource according to the demand to be displayed instruction comprises:
determining the identification of the resource to be displayed according to the demand instruction to be displayed;
determining the identification of the at least one historical geographic resource according to the identification of the resource to be displayed and a display resource database;
the display resource database comprises a plurality of identifiers of resources to be displayed and identifiers of historical geographic resources corresponding to the identifiers of the resources to be displayed.
3. The method of claim 2, wherein the presentation resource library further comprises audio data corresponding to an identification of the resource to be displayed, the method further comprising:
and playing the audio data according to the identification of the resource to be displayed.
4. The method according to claim 2, wherein the display resource database further includes a display manner corresponding to the identifier of each resource to be displayed, and the displaying the at least one historical geographic resource according to the identifier of the at least one historical geographic resource includes:
acquiring pictures and position data of at least one historical geographic resource from a data resource database and a picture resource database according to the identification of the at least one historical geographic resource;
and displaying the at least one historical geographic resource in the display mode.
5. The method according to claim 4, wherein the method further comprises:
acquiring original data of the historical geographic resource, wherein the original data comprises at least one of historical interest point information, historical road information, historical transformation information and historical state information;
searching actual coordinates corresponding to the original data in the electronic map coordinate system according to the original data, and taking the actual coordinates as the position data of the historical geographic resources;
and establishing the data resource database according to the identification of the historical geographic resource and the position data.
6. The method according to claim 4, wherein the method further comprises:
acquiring an original picture of the historical geographic resource;
selecting at least four positioning points from the original pictures of the historical geographic resources;
matching the original picture of the historical geographic resource with the electronic map coordinate system according to the coordinates of the at least four positioning points in the electronic map coordinate system, adjusting the original picture of the historical geographic resource, acquiring an adjusted picture, and taking the adjusted picture as the picture of the historical geographic resource;
and establishing the picture resource database according to the pictures of the historical geographic resources and the identifications of the historical geographic resources.
7. The method of claim 6, wherein the method further comprises:
and extracting region boundary information of the adjusted picture, generating a contour map, and taking the contour map as the picture of the historical geographic resource.
8. The method of any one of claims 1 to 7, wherein the historical geographic resource comprises: any one of a history field change resource, a history climate change resource, a history water system change resource and a history region division resource.
9. A terminal comprising a display, a processor and a memory;
the processor is configured to obtain a demand instruction to be displayed, where the demand instruction to be displayed is used to trigger at least one of a picture and position data for displaying a historical geographic resource, the demand instruction to be displayed includes an instruction for triggering a change display of a region, an instruction for triggering a climate change display, an instruction for triggering a water system transition display, and an instruction for triggering a division display of a historical region, and a display mode corresponding to the demand instruction to be displayed includes displaying water systems, regions and climate content transitions of the same dynasties in the same time period, or displaying an effect diagram of a change comparison of the region or the water systems of the regions between different dynasties; determining at least one historical geographic resource identifier according to the demand instruction to be displayed, wherein each historical geographic resource identifier corresponds to at least one position data or picture; displaying the at least one historical geographic resource through the display according to the identification of the at least one historical geographic resource; the picture of the historical geographic resource is obtained by stretching or retracting the outline of the original picture of the historical geographic resource exceeding or being less than the national boundary range of the base layer according to the coordinates of at least four locating points in the electronic map coordinate system in the original picture of the historical geographic resource, and adjusting the outline to be overlapped with the national boundary of the base layer;
the memory is used for storing pictures and position data of the historical geographic resources;
the display is configured to display the at least one historical geographic resource.
10. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing the computer program, which when executed implements the method of any one of claims 1 to 8.
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| CN113190610A (en) * | 2021-04-09 | 2021-07-30 | 北京完美知识科技有限公司 | Map color matching method, device and storage medium |
| CN113177098A (en) * | 2021-04-23 | 2021-07-27 | 北京完美知识科技有限公司 | Map data display method and device |
| CN113176845B (en) * | 2021-04-23 | 2024-01-12 | 北京完美知识科技有限公司 | Method and device for displaying history information in history map |
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