CN103973743A - Adaptive region querying system and method based on smart mobile device - Google Patents
Adaptive region querying system and method based on smart mobile device Download PDFInfo
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- CN103973743A CN103973743A CN201310039551.4A CN201310039551A CN103973743A CN 103973743 A CN103973743 A CN 103973743A CN 201310039551 A CN201310039551 A CN 201310039551A CN 103973743 A CN103973743 A CN 103973743A
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Abstract
The invention discloses an adaptive region querying system and method based on a smart mobile device. The adaptive region querying system comprises the smart mobile device serving as a client and a server. The server comprises a communication module and a landmark database. The smart mobile device comprises an automatic positioning module, a map engine, an adaptive adjusting module and a wireless communication module. The adaptive adjusting module is used for calculating another region searching radius according to the distance from a current-level regional searching center to the regional edge after a map level is changed. The invention further discloses an adaptive region querying method based on the system. According to the system and method, by utilizing the data analyzing and processing functions of a background server and the mature wireless network communication technology, the corresponded range of the map level can be adjusted automatically, and accordingly the problem that searching information is not matched due to map level changes when a user searches for regional information is avoided.
Description
Technical field
The present invention relates to satellite fix and the communications field, particularly relate to a kind of adaptive region inquiry system and its implementation based on Intelligent mobile equipment.
Background technology
At present, user is in the time using electronic chart to check near the information self present position, and electronic chart often can zoom in or out.After amplification electron map level, the region showing in electronic map interface can be reduced relatively, and corresponding, original hunting zone will exceed current indication range, cause part search information to be hidden, this can cause the confirmation of data to a certain extent and cognitive omission to user.
Generally, for range searching, all can need the radius of a central point and a search, these parameters all need user oneself to arrange.But in actual use, user is changing after the level of electronic chart, just find that the scope of demonstration and the size of actual map are improper, and then go manual change parameter setting, like this, user just can not see the useful information in hunting zone intuitively.
Summary of the invention
One of the technical problem to be solved in the present invention is to provide a kind of adaptive region inquiry system based on Intelligent mobile equipment, and it can make the demonstration of range searching information more directly perceived.
For solving the problems of the technologies described above, adaptive region inquiry system based on Intelligent mobile equipment of the present invention, comprise Intelligent mobile equipment and server as client, described server includes communication module and landmark data storehouse, communication module is for the data communication between client and server, and landmark data stock contains the landmark information corresponding with latitude and longitude coordinates; Described Intelligent mobile equipment further includes following functions module:
Automatic positioning die piece, for real-time positioning intelligent mobile device, obtains the longitude and latitude data of the current present position of Intelligent mobile equipment;
Engine map, for showing electronic map information, the longitude and latitude obtaining according to automatic positioning die piece shows region of search central point, and the terrestrial reference Search Results that server is sent is presented on electronic chart;
Self adaptation adjusting module, for after the change of electronic chart level, the distance according to the central point of current level lower area search to edge, region of search, calculates new range searching radius;
Wireless communication module, for the data communication between Intelligent mobile equipment and background server, sends range searching request to server, and accepts the terrestrial reference Search Results that server returns.
Two of the technical problem to be solved in the present invention is to provide the implementation method of said system.
For solving the problems of the technologies described above, the adaptive region querying method based on Intelligent mobile equipment of the present invention, comprises the following steps:
1) start automatic positioning die piece, the real time position of consumer positioning, and by this position display on electronic chart, as the central point of range searching;
2) radius of user's setting regions search on Intelligent mobile equipment;
3) central point of range searching and radius are sent to server by Intelligent mobile equipment, searches for the landmark information in corresponding region to server request;
4) whois lookup landmark data storehouse, returns to Intelligent mobile equipment by the landmark information within the scope of range searching;
5) Intelligent mobile equipment receives landmark information, and is presented on electronic chart;
6) user zooms in or out electronic chart, and self adaptation adjusting module recalculates map level after changing, and the central point of range searching, to the distance at edge, region of search, obtains new range searching radius;
7) repeating step 3) to 6), until obtain needed range searching result.
The present invention utilizes the data analysis processing capacity of background server and ripe wireless network communication technology, automatically adjust the corresponding scope of map level, so avoid user in the time of the information of region of search, because electronic chart level changes the search information mismatch problem causing, make the demonstration of range searching result more intelligent and directly perceived.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the adaptive region querying method of the embodiment of the present invention.
Embodiment
Understand for technology contents of the present invention, feature and effect being had more specifically, existing in conjunction with illustrated execution mode, details are as follows:
Adaptive region inquiry system based on Intelligent mobile equipment of the present invention, mainly comprises client and background server end.Client is the Intelligent mobile equipment that has carried the operating system such as Android, iOS, Windows Phone, includes following functions module:
Automatic positioning die piece, for real-time positioning intelligent mobile device, obtains the longitude and latitude data of the current present position of Intelligent mobile equipment.This automatic positioning die piece further comprises that GNSS(comprises GPS, Glonass, Galilean satellite system and Beidou satellite system etc.) locating module, WiFi locating module and architecture module.GNSS locating module is for obtaining the longitude and latitude data of the current present position of Intelligent mobile equipment by positioning satellite signal; WiFi locating module is used for connecting near WiFi communication access point, and by judging signal strength signal intensity and access point distance, calculates the longitude and latitude data of this Intelligent mobile equipment position; Architecture module is used for connecting multiple base stations of radio communication service operator, and by judging the distance between signal strength signal intensity and multiple base station, calculates the longitude and latitude data of this Intelligent mobile equipment position.
Manual positioning module, for the place manually clicking on electronic chart according to user, proofreaies and correct the longitude and latitude data that automatic positioning die piece obtains.
Engine map, for show electronic map information on Intelligent mobile equipment, shows region of search central point according to automatic positioning die piece or the longitude and latitude that obtains of manual positioning module, and the search data obtaining from server is presented at electronic chart.
Self adaptation adjusting module, for after the change of electronic chart level, the distance according to the central point of current level lower area search to edge, region of search, calculates the range searching radius making new advances.
Wireless communication module, for the data communication between Intelligent mobile equipment and background server, sends searching request and accepts the search result data that server returns to server.
Background server mainly includes:
Communication module, for the data communication between client and server, receives the searching request that client is sent, and Search Results is sent to client.
Landmark data storehouse, stores the landmark information of diverse geographic location, and these landmark informations are corresponding with the latitude and longitude coordinates in its geographical position of living in.
Adaptive region querying method based on said system is as follows:
First, client terminal start-up automatic positioning die piece by multithreading, obtains up-to-date GNSS locator data, WiFi locator data and architecture data simultaneously, and gathers and preserve the locator data getting in three threads.If got GNSS locator data, be as the criterion with GNSS locator data; If do not get satellite location data, be as the criterion with WiFi locator data; If do not obtain WiFi locator data, be as the criterion with architecture data.
The longitude and latitude data of the current present position of user that automatic positioning die piece obtains are defaulted as the central point of range searching.If user needs the central point of adjustment region search, can manually click certain position on electronic chart, reset search center point.
Determine after search center point, user also need to be on the Intelligent mobile equipment of client the radius of setting regions search, and the range searching central point and the radius that set are sent to server by Intelligent mobile equipment, set the landmark information in regional extent to server request search.
Server, according to the range searching scope of client-requested, is searched landmark data storehouse, and the landmark information in region of search is sent back to client, by client, landmark information is presented on electronic chart.
When user checks in electronic chart process, carry out dwindling after the operation of map, the level of electronic chart is reduced, accordingly, the region showing on map can diminish, now, self adaptation adjusting module starts, recalculate range searching scope, concrete grammar is: first obtain laterally (horizontal width) longitude and latitude of 2 farthest of screen by engine map, according to obtained longitude and latitude, obtain the actual range on the corresponding map of current screen width by algorithm, then again according to the longitude and latitude of the search center point of previously-known, obtain new range searching scope.
Then, new range searching scope is sent to server by Intelligent mobile equipment, again to the landmark information within the scope of the new region of search of server request, and the Search Results that server is returned, again be presented on electronic chart by latitude and longitude information, user just can see the search information in maximum covering radius under current map level like this.
If user is checking in electronic chart process, what carry out is the operation of enlarged map, after map level is amplified, the areal extent of map actual displayed will dwindle accordingly, the data in 2 kilometers of radiuses were for example originally asked, once but after map amplification, the maximum magnitude that under current level, map can show only has 1.5 kilometers of radiuses, now whether be less than current search radius by calculate each data comprising in search information by algorithm to the distance of search center point, then the data that are less than or equal to current search radius are repainted on map, other data that exceed current search scope are given up.
Claims (7)
1. the adaptive region inquiry system based on Intelligent mobile equipment, comprise Intelligent mobile equipment and server as client, described server includes communication module and landmark data storehouse, communication module is for the data communication between client and server, and landmark data stock contains the landmark information corresponding with latitude and longitude coordinates; It is characterized in that, described Intelligent mobile equipment further includes following functions module:
Automatic positioning die piece, for real-time positioning intelligent mobile device, obtains the longitude and latitude data of the current present position of Intelligent mobile equipment;
Engine map, for showing electronic map information, the longitude and latitude obtaining according to automatic positioning die piece shows region of search central point, and the terrestrial reference Search Results that server is sent is presented on electronic chart;
Self adaptation adjusting module, for after the change of electronic chart level, the distance according to the central point of current level lower area search to edge, region of search, calculates new range searching radius;
Wireless communication module, for the data communication between Intelligent mobile equipment and background server, sends range searching request to server, and accepts the terrestrial reference Search Results that server returns.
2. system according to claim 1, is characterized in that, the operating system of described Intelligent mobile equipment comprises Android, iOS or Windows Phone.
3. system according to claim 1, is characterized in that, described automatic positioning die piece comprises GNSS locating module, WiFi locating module and architecture module; GNSS locating module is for obtaining the longitude and latitude data of the current present position of Intelligent mobile equipment by positioning satellite signal; WiFi locating module is used for connecting near WiFi communication access point, and by judging signal strength signal intensity and access point distance, calculates the longitude and latitude data of this Intelligent mobile equipment position; Architecture module is used for connecting multiple base stations of radio communication service operator, and by judging the distance between signal strength signal intensity and multiple base station, calculates the longitude and latitude data of this Intelligent mobile equipment position.
4. system according to claim 1, is characterized in that, described Intelligent mobile equipment also comprises manual positioning module, for the place manually clicking on electronic chart according to user, proofreaies and correct the longitude and latitude data that automatic positioning die piece obtains.
5. the adaptive region querying method of the system described in any one based on claim 1 to 4, is characterized in that, comprises the following steps:
1) start automatic positioning die piece, the real time position of consumer positioning, and by this position display on electronic chart, as the central point of range searching;
2) radius of user's setting regions search on Intelligent mobile equipment;
3) central point of range searching and radius are sent to server by Intelligent mobile equipment, searches for the landmark information in corresponding region to server request;
4) whois lookup landmark data storehouse, returns to Intelligent mobile equipment by the landmark information within the scope of range searching;
5) Intelligent mobile equipment receives landmark information, and is presented on electronic chart;
6) user zooms in or out electronic chart, and self adaptation adjusting module recalculates map level after changing, and the central point of range searching, to the distance at edge, region of search, obtains new range searching radius;
7) repeating step 3) to 6), until obtain needed range searching result.
6. method according to claim 5, it is characterized in that, step 1), described automatic location is to pass through multithreading, obtain up-to-date GNSS locator data, WiFi locator data and architecture data simultaneously, and gather and preserve the locator data getting in three threads; If got GNSS locator data, be as the criterion with GNSS locator data; If do not get satellite location data, be as the criterion with WiFi locator data; If do not obtain WiFi locator data, be as the criterion with architecture data.
7. method according to claim 5, is characterized in that, described step 1), and user is by manually clicking electronic chart, the central point of adjustment region search.
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| CN108322934A (en) * | 2018-04-04 | 2018-07-24 | 南京荣飞科技股份有限公司 | A kind of region wireless location system and its method based on smart mobile phone |
| CN110502705A (en) * | 2019-07-16 | 2019-11-26 | 贝壳技术有限公司 | A kind of method and device of the electronic map search based on intelligent terminal |
| CN111125281A (en) * | 2019-12-10 | 2020-05-08 | 深圳震有科技股份有限公司 | Map self-adaptive adjusting method and system, computer equipment and medium |
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