CN106534478B - Map information display system based on asynchronous loading - Google Patents
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- 238000011068 loading method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000013524 data verification Methods 0.000 claims description 14
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- 238000013502 data validation Methods 0.000 claims 1
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
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Abstract
The invention relates to the field of internet information processing, in particular to a map information display system based on asynchronous loading; the system comprises a client and a server, wherein the client is in communication connection with the server; the client side realizes the display of the target map information based on an asynchronous loading method. When a user enters a target map information display page through a client, default map information is displayed firstly, and geographical coordinate information, character information and picture information stored in a server target are read through a thread; and drawing the target position and the character and picture information corresponding to the target on the displayed basic map page according to the coordinate position of the target. The system solves the problems of overhigh memory occupation, low page refreshing efficiency and unsmooth picture during synchronous display; the fluency of the picture switching is ensured, and the user experience is improved.
Description
Technical Field
The invention belongs to the field of internet information processing, and particularly relates to a map information display system based on asynchronous loading.
Background
The rise of mobile intelligent equipment provides a great deal of convenience for life and work of people, wherein the popularization degree of the smart phone in the mobile intelligent terminal is the highest, and the use is the most extensive. Various applications of the smart phone are also continuously updated and developed; the existing smart phone has limited memory and too many loaded application programs, and is often jammed in a picture when being used, especially when more pictures are displayed simultaneously, the pictures are generally displayed in a front-end display mode by reading from a background because the occupied memory is large; if the picture is read from the background, the picture is generally required to be converted through binary stream, the reading speed can affect the picture display and drawing effects, and the factors cause the phenomena of poor page refreshing effect and unsmooth operation when a large number of characters and pictures are synchronously displayed, thereby seriously affecting the use experience of users.
The service based on the geographic information system has very wide application in various applications, such as providing user location service, geographic information query of a target and the like; however, as the amount of data to be displayed is larger and larger, how to quickly display a large amount of data without affecting the operation experience of the user becomes an important problem. At present, when a large amount of data are displayed on a map tool by a mobile phone APP, a target is displayed on a map by a small point, and relevant data corresponding to the small point is obtained by clicking the small point, so that the rendering of an image is reduced, and the smoothness of an interface is ensured. However, the display system needs the user to click the target to display the detailed information, increases the operation steps of the user, is not intuitive enough in the display mode, and has a good display effect only on the premise of not needing to intuitively display the detailed information of the data at one time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a map information display system based on asynchronous loading. When a user enters the first default option card interface, some information of the map interface is asynchronously preloaded through threads, the data loading speed after the user switches to the map information option card interface is increased, and the operation fluency is guaranteed.
In order to achieve the above purpose, the invention provides the following technical scheme:
the map information display system based on asynchronous loading comprises a client and a server, wherein the client is in communication connection with the server; the client side realizes the display of the target map information based on an asynchronous loading method.
When the client displays the target map information, firstly displaying default map information; reading the target geographical longitude and latitude information, the character information and the picture information stored in the server by a thread; the server returns information to the client for corresponding display according to the request of the client; and the client displays the target position on the displayed basic map page according to the geographic longitude and latitude information of the target, and displays corresponding character and picture information at the corresponding position.
Further, the system also comprises a data acquisition system, and the data acquisition system stores the acquired target name, address, longitude, latitude and picture data in a distributed file system of the server.
Furthermore, the data acquisition system calls at least two map platform interfaces to acquire corresponding geographic longitude and latitude information according to the target address. Comprises the following steps: calling a first map platform interface to obtain first longitude data and first latitude data; and calling a second map platform interface to obtain second longitude data and second latitude data.
Further, the system also comprises a data verification system; and the data verification system performs mutual verification and completion of longitude and latitude data according to data acquired by at least two map platform interfaces.
Further, the data verification system realizes mutual verification and completion of longitude and latitude data, and is applicable to the following rule conditions:
a. if the longitude and latitude data acquired from the first map platform are complete and the longitude and latitude data acquired from the second map platform are missing, selecting the first longitude data and the first latitude data as the geographical longitude and latitude information of the enterprise;
b. selecting data information acquired from the platform, sorting according to the credibility, and selecting corresponding longitude and latitude information with higher credibility as the longitude and latitude data of the enterprise;
c. comparing the first longitude data with the second longitude data to obtain difference data 1, comparing the first latitude data with the second latitude data to obtain difference data 2, and if the difference data 1 and the difference data 2 are both within a set threshold, selecting the first longitude data and the first latitude data or the second longitude data and the second latitude data as geographical longitude and latitude data of the enterprise; the rule conditions described above apply in order.
Further, the server uses an elastic search to build an index, and a field of the index storage includes a name.
Further, the system for realizing the target map information display comprises the following steps:
(ST1) the user entering the name of the query target through the client;
(ST2) entering a map information presentation page of the target;
(ST2-a) displaying a default map page;
(ST2-B) establishing communication connection with the server through threads, and inquiring and reading the target name, longitude data, latitude data and picture data stored in a file system of the server according to the index; and calling a map interface to draw the position of the target on the map according to the latitude and longitude information of the target, and displaying the name of the target and corresponding picture data at the corresponding position.
Further, the client is an APP loaded in the smart phone; the server, the data acquisition system and the data verification system are servers or server clusters loaded with the corresponding system function programs.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a map information display system based on asynchronous loading, which comprises a client and a server, wherein the client is in communication connection with the server; the client side realizes the display of the target map information based on an asynchronous loading method. When a user enters a target map information display page, firstly displaying default map information, and reading geographical coordinate information, character information and picture information of a target stored in a server by a thread; and drawing the target position and the character and picture information corresponding to the target on the displayed basic map page according to the coordinate position of the target. The system realizes the flow display of the map information of a plurality of targets based on an asynchronous loading mode, reduces the occupation of an internal memory, improves the efficiency of page refreshing and picture rendering, avoids picture blocking, ensures the smoothness of operation, displays basic map information when a user enters a map display page, then can see the position name of the target displayed on the map and corresponding picture information, gradually displays the picture, and is more smooth in user operation feeling; the display effect is obviously improved compared with a synchronous loading mode. Meanwhile, the system comprises a data verification system, so that the accuracy of data acquisition is ensured, and the data quality is guaranteed.
Description of the drawings:
fig. 1 is a schematic system structure diagram of the map information display system based on asynchronous loading.
Fig. 2 is a schematic structural diagram of a data acquisition system and a data verification system of the map information presentation system based on asynchronous loading.
Fig. 3 is a schematic diagram of a map display implementation step of the asynchronous loading based map information display system.
FIG. 4 is a schematic diagram of a map display of the system to achieve a single goal.
FIG. 5 is a schematic diagram of a map display for implementing multiple objectives.
It is to be understood that all of the figures of the present invention are schematic and do not represent actual dimensions or proportions.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
The invention provides a map information display system based on asynchronous loading, which comprises a client and a server, wherein the client is in communication connection with the server, and the number of the clients can be multiple, as shown in FIG. 1; the client side realizes the display of the target map information based on an asynchronous loading method. When the client displays the target map information, firstly displaying default map information; reading the target geographical longitude and latitude information, the character information and the picture information stored in the server by a thread; the server returns information to the client for corresponding display according to the request of the client; and the client displays the target position according to the geographical latitude and longitude information of the target and displays corresponding character and picture information at the corresponding position. Because all the character pictures are not displayed on the map at one time, the occupation of the internal memory is reduced, the phenomenon of picture blocking is avoided, basic map information is firstly seen from the perspective of user experience, and then the display of the target information on the map is seen, the picture display is smoother, and the user experience is improved. The asynchronous loading mode reduces the use of the memory of the intelligent terminal, ensures the efficiency of interface refreshing and rendering, and enables the user operation to be smoother. The system is particularly suitable for the situation that the text and the picture information of a large target are shown on the map page at one time.
Further, the system also comprises a data acquisition system and a data verification system, wherein the data acquisition system stores the acquired target name, address, longitude, latitude and picture data in a distributed file system of the server. The selection of the target is set according to specific application (such as vertical search in a certain field), and the field is set as required to acquire corresponding information from the internet, so that a basis is provided for analysis and reformation of related data.
Furthermore, the data acquisition system calls at least two map platform interfaces to acquire corresponding geographic longitude and latitude information according to the address of the target to ensure the readiness of data acquisition and provide a data basis for mutual verification and completion of the longitude and latitude data. The data acquisition comprises the following steps: the data acquisition system calls a first map platform interface according to the address of the target to acquire first longitude data and first latitude data; and calling a second map platform interface to obtain second longitude data and second latitude data.
Further, the data verification system performs mutual verification and completion of longitude and latitude data according to data acquired by the data acquisition system from at least two map platform interfaces; and storing the data after the completion of the verification in a distributed file system of the server, as shown in fig. 2. The data verification system realizes mutual verification and completion of longitude and latitude data, and is applicable to the following rule conditions:
a. if the longitude and latitude data acquired from the first map platform are complete and the longitude and latitude data acquired from the second map platform are missing, selecting the first longitude data and the first latitude data as the geographical longitude and latitude information of the enterprise;
b. selecting data information acquired from the platform, sorting according to the credibility, and selecting corresponding longitude and latitude information with higher credibility as the longitude and latitude data of the enterprise;
c. comparing the first longitude data with the second longitude data to obtain difference data 1, comparing the first latitude data with the second latitude data to obtain difference data 2, and if the difference data 1 and the difference data 2 are both within a set threshold, selecting the first longitude data and the first latitude data or the second longitude data and the second latitude data as geographical longitude and latitude data of the enterprise; the rule conditions described above apply in order.
Further, on the basis of data storage, the server uses an elastic search to establish an index, and a field of the index storage comprises a name. Specifically, the name, longitude and latitude data of the target are stored in a database, and the picture is stored in a file distributed file; using an elastic search to establish an index format containing a target name; corresponding information is imported into the index. The ElasticSearch is a search server based on Lucene, provides a full-text search engine with distributed multi-user capability, and is based on a RESTful web interface, so that a user can conveniently search and read data through the web interface.
Further, the system for realizing the target map information display comprises the following steps:
(ST1) the user entering the name of the query target through the client;
(ST2) entering a map information presentation page of the target;
(ST2-a) displaying a default map page;
(ST2-B) establishing communication connection with the server through threads, and inquiring and reading the target name, longitude data, latitude data and picture data stored in a file system of the server according to the index; and calling a map interface to draw the position of the target on the map according to the latitude and longitude information of the target, and displaying the name of the target and corresponding picture data at the corresponding position.
Further, the client is an APP loaded in the smart phone; the server, the data acquisition system and the data verification system are servers or server clusters loaded with the corresponding system function programs.
Example 1
For example, entitled Chengdu ABCD technologies, Inc., addresses: calling a first map platform interface according to the address information to acquire geographic longitude and latitude information corresponding to the target address, wherein the geographic longitude and latitude information is xx in the Tianfu Dadao of the metropolis:
{ "status": 0, "result": { "location": { "lng": 105.07392899855, "lat": 36.555138880016}, "precision": 1, "confidence": 80, "level": "\\ u5546\ u52a1\ u5927\ u53a6" } can obtain "confidence" from the return information: 80 corresponding confidence levels are: 80, 105.07392899855 longitude and 36.555138880016 latitude.
Calling a second map platform interface to obtain the geographic longitude and latitude information corresponding to the target address as follows: { "status": "1", "info": "OK", "info": "1000", "count": "1", "geocodes": [ { "formatted _ address": "Sichuan province city wuhou district certain plaza B seat", "provice": "Sichuan province," citycode ": "028", "city": "metropolis", "district": "Wuhou zone", "township": [] "neighborwood": { "name": [] "type": [] }, "building": { "name": [] "type": [] }, "encode": "510107", "street": "midstream of the Tianfu Dai", "number": "xx number", "location": "104.067139, 30.548830", "level": "house number" }. From the return information, the following information can be obtained: confidence is the number of the house, longitude 105.067139, and latitude 36.548830.
Inputting the data acquired from the two map platforms into a data verification system for mutual verification and completion of longitude and latitude data; according to the mutual verification and completion rule of the longitude and latitude data, if the data acquired by the two platforms are complete, the rule b is applied, and the ordering is performed according to the credibility of the acquired data of the two platforms, for example, the "level" of the second map platform: "house number", the corresponding translates to "confidence: 99' (the data formats returned by different map platforms are slightly different, and the description of the character types of level, number plate and number plate is converted into numbers which can be compared according to the meaning of the data of the map platforms, so that a foundation is laid for the comparison of the credibility of different map data platforms) is compared with the credibility obtained by the first map platform: 80' is higher, the longitude obtained by the second map platform is 105.067139, and the latitude is 36.548830 as: longitude and latitude data corresponding to 'Chengdu ABCD technology limited company, Chengdu Tianfu Dadao middle section xx #'. And after the data verification system verifies, the acquired longitude and latitude information is stored in an HDFS distributed file system of the server side, and the process of acquiring, verifying and storing the longitude and latitude information is completed.
According to the condition needing to be displayed, obtaining a description picture related to a target, and storing the picture in a distributed file system of a server; data is stored in JSON format, as needed, say: { "name": "Chengdu ABCD technologies Co., Ltd", "Address": "prefecture middle section xx" and "longitude" of prefecture avenue of metropolis: "' 105.067139" "latitude": "36.548830", "picture path": "XXXXXXX" } create an ElasticSearch index system at the server: creating an ElasticSearch index mapping format as needed: the fields include: a name; the corresponding information is imported into the index.
On the basis of data storage and index of a server, when a user inputs 'Chengdu ABCD technology limited company' when a client displays a map information page, the user firstly enters a default map page, sends a data request to the server through a thread, the server retrieves corresponding data according to the data request of the client and returns the data to the client, and the client calls a map platform interface and according to a data target returned by the client: the location, name and picture description of "Chengdu ABCD technologies, Inc" is shown in FIG. 4.
Example 2
Obtaining names, addresses, longitudes, latitudes and pictures of a plurality of targets in the same way as the embodiment; and the information is imported into the corresponding index, and when the geographic information is displayed, the information of a plurality of targets is read and read in an asynchronous loading mode, and the related information of the targets is displayed at the corresponding positions, as shown in fig. 5.
Claims (5)
1. The map information display system based on asynchronous loading comprises a client and a server, and is characterized in that the client is in communication connection with the server; the client side realizes the display of target map information based on an asynchronous loading method; when the client displays the target map information, firstly displaying default map information;
reading the target geographical longitude and latitude information, the character information and the picture information stored in the server by a thread;
the server returns information to the client according to the request of the client;
the client displays the position of a target map according to the geographical latitude and longitude information of the target, and displays corresponding character and picture information at the corresponding position;
the system also comprises a data acquisition system, wherein the data acquisition system stores the acquired target name, address, longitude, latitude and picture data in a distributed file system of the server;
the data acquisition system calls at least two map platform interfaces to acquire corresponding geographic longitude and latitude information according to the address of the target;
the system also includes, a data validation system; the data verification system performs mutual verification and completion of longitude and latitude data according to data acquired by at least two map platform interfaces;
the data verification system realizes mutual verification and completion of longitude and latitude data, and is applicable to the following rule conditions:
a. if the longitude and latitude data acquired from the first map platform are complete and the longitude and latitude data acquired from the second map platform are missing, selecting the first longitude data and the first latitude data as the geographical longitude and latitude information of the enterprise;
b. selecting data information acquired from the platform, sorting according to the credibility, and selecting corresponding longitude and latitude information with higher credibility as the longitude and latitude data of the enterprise;
c. comparing the first longitude data with the second longitude data to obtain difference data 1, comparing the first latitude data with the second latitude data to obtain difference data 2, and if the difference data 1 and the difference data 2 are both within a set threshold, selecting the first longitude data and the first latitude data or the second longitude data and the second latitude data as geographical longitude and latitude data of the enterprise;
the rule conditions described above apply in order.
2. The system of claim 1, wherein the data retrieval system retrieves the name and address of the target from the internet via a crawler technique.
3. The system of claim 2, wherein the server uses an ElasticSearch to build an index, the fields of the index store including a name.
4. The system of claim 3, wherein the system implementing the target map information display comprises the steps of:
(ST1) the user entering the name of the query target through the client;
(ST2) entering a map information presentation page of the target;
(ST2-a) displaying a default map page;
(ST2-B) establishing communication connection with the server through threads, and inquiring and reading the target name, longitude data, latitude data and picture data stored in a file system of the server according to the index; and calling a map interface to draw the position of the target on the map according to the latitude and longitude information of the target, and displaying the name of the target and corresponding picture data at the corresponding position.
5. The system of one of claims 1 to 4, wherein the client is loaded in a smartphone; the server side is a server or a server cluster.
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| CN104239396A (en) * | 2014-06-20 | 2014-12-24 | 北京奇虎科技有限公司 | Method and device for searching business object on electronic map |
| CN105469382A (en) * | 2014-12-04 | 2016-04-06 | 苏州蜗牛数字科技股份有限公司 | 3D map display method and display system |
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