CN102073679A - Method for supporting hot spot inquiry on navigation equipment and navigation system and navigation equipment - Google Patents
Method for supporting hot spot inquiry on navigation equipment and navigation system and navigation equipment Download PDFInfo
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Abstract
The invention provides a method for supporting hot spot inquiry on navigation equipment and a navigation system and the navigation equipment. The method comprises the following steps that: a user inputs the inquiry information on the navigation equipment; the navigation equipment generates hot spot inquiry data according to the input inquiry information and transmits the hot spot inquiry data to a background server through a wireless network, wherein the hot spot inquiry data comprises the longitude and latitude of the current position of the navigation equipment and the inquiry information; the background server inquiries a local database after receiving the hot spot inquiry data, and transmits the hot spot information inquiry result to the navigation equipment through the wireless network; the user selects hot spots according to needs after the navigation equipment receives the hot spot information inquiry result; and the navigation equipment extracts the information names and the longitude and latitude corresponding to the hot spots in the hot spot information inquiry result, inquiries the information at corresponding positions in the navigation data according to the longitude and latitude corresponding to extracted information points, and then completes the navigation positioning to the hot spots.
Description
Technical field
The present invention relates to ICT (information and communication technology) and airmanship.
Background technology
In the last few years, personal car has become a kind of general vehicles, when people's trip by bus, substantially all be equipped with in-vehicle navigation apparatus, but navigator has only provided basic navigation feature, if the client thinks to inquire about in real time the city which business hall is arranged, contributing retail shop (for example car 4S shop), the hotel, information such as school, can only by to the pedestrian or make a phone call the consulting, in the time of the indeterminate specifying information of user, consulting is got up pretty troublesome, has caused certain difficulty to user's trip, therefore, if the enough vehicle-mounted embedded type mobile navigation equipments of energy, in time inquire about hot information, and hot information is fed back to navigational system, like this, the user has not just worried top problem, also to the user brought go out greatly accommodating.
Summary of the invention
Technical matters to be solved by this invention is that a kind of method of hotspot query and navigator that realizes this method supported on navigator is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be, supports the method for hotspot query on navigator, it is characterized in that, comprises step:
Background server gather and in local data base the canned data point data, each information point data comprises longitude and latitude, the key word of information point correspondence, the information point classification of information point place city name, information point title, information point correspondence;
The user is input inquiry information on navigator, and navigator generates the hotspot query data according to the Query Information of input, and the hotspot query data are sent to background server by wireless network; Described hotspot query data comprise the longitude and latitude and the Query Information of the current position of navigator;
After background server received the hotspot query data, the inquiry local data base was sent to navigator with the hot information Query Result by wireless network; Described hot information Query Result comprises the information point data of Query Result zone bit, the number as a result that inquires, focus correspondence; Described Query Result zone bit is used to identify this and whether inquires matching result;
After navigator received the hot information Query Result, the user selected the focus of needs; Navigator is extracted the information point title of this focus correspondence in the hot information Query Result, the longitude and latitude of this information point correspondence, in navigation data, search the information point of relevant position according to the longitude and latitude of the information point correspondence that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation data, in this way, then on navigation map, show this focus, and finish the navigator fix of this focus, and as not, the hotspot query failure.
Query Information comprises perimeter query information, classification Query Information, keyword query information.
Perimeter query information comprises range size, information point classification; After receiving the hotspot query data that contain perimeter query information when background server, longitude and latitude and range size according to the current position of navigator in the hotspot query data are determined query context, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
The classification Query Information comprises city name, information point classification; After receiving the hotspot query data that contain the classification Query Information when background server, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
Keyword query information comprises city name, key word; After receiving the hotspot query data that contain keyword query information when background server, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and key word, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
For realizing the navigational system of said method, comprise background server, navigator,
Background server is used for, gather and in local data base the canned data point data, each information point data comprises longitude and latitude, the key word of information point correspondence, the information point classification of information point place city name, information point title, information point correspondence; After background server received the hotspot query data, the inquiry local data base was sent to navigator with the hot information Query Result by wireless network; The hot information Query Result comprises the information point data of Query Result zone bit, the number as a result that inquires, focus correspondence; The Query Result zone bit is used to identify this and whether inquires matching result;
Navigator is used for, and generates the hotspot query data according to the Query Information of importing and is sent to background server by wireless network; Described hotspot query data comprise the longitude and latitude and the Query Information of the current position of navigator; Navigator receives the hot information Query Result, after determining the focus of user-selected needs, extract the information point title of this focus correspondence in the hot information Query Result, the longitude and latitude of this information point correspondence, in navigation data, search the information point of relevant position according to the longitude and latitude of the information point correspondence that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation data, in this way, then on navigation map, show this focus, and finish the navigator fix of this focus, as denying the hotspot query failure.
For realizing the navigator of said method, comprise wireless network communication module, embedded type CPU, navigation module, hotspot query module;
Wireless network communication module is used for, by the transmission hotspot query data of wireless network realization to background server; Receive the hot information Query Result that background server sends, and be sent to the hotspot query module by embedded type CPU;
Embedded type CPU is used for, and realizes the data interaction between wireless network communication module, navigation module, the hotspot query module;
Navigation module is used for, receive the longitude and latitude of focus correspondence after, on navigation map, show focus, and finish the navigator fix of focus;
The hotspot query module is used for, and the Query Information of importing is converted to the hotspot query data and transmits wireless network communication module by embedded type CPU; Described hotspot query data comprise the longitude and latitude and the Query Information of the current position of navigator; Receive the hot information Query Result, and after determining the focus of user-selected needs, extract the information point title of this focus correspondence in the hot information Query Result, the longitude and latitude of this information point correspondence, in navigation module, search the information point of relevant position according to the longitude and latitude of the information point correspondence that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation module, in this way, the longitude and latitude with this focus correspondence is sent to navigation module by embedded type CPU.
The invention has the beneficial effects as follows, on existing navigator, realized the hotspot query function, expanded the application of navigator.
Description of drawings
Fig. 1 is a present embodiment navigational system illustraton of model.
Embodiment
Present embodiment adds wireless network communication module and hotspot query module at the embedded onboard navigator, realizes the function of fast query focus and location.As shown in Figure 1, navigational system comprises navigator, background server, and wherein navigator comprises hotspot query module, embedded type CPU, wireless network communication module, navigation module:
Background server, gather and in local data base the information point data in each city of storage, each information point data comprises longitude and latitude, the key word of information point correspondence, the information point classification of information point place city name, information point title, information point correspondence; After background server received the hotspot query data, the inquiry local data base was sent to navigator with the hot information Query Result by wireless network;
The hotspot query module realizes that the input and output and the embedded type CPU of hotspot query data, people's dot information Query Result is mutual, uploads data and downloads return data;
Embedded type CPU is the nucleus module of total system, and the data communication of realization and other module is mutual, gets in touch different modules, as terminal, data is in time uploaded and descended to pass;
Wireless network communication module realizes data transmission by cordless communication network, and this module receives the hotspot query data that embedded type CPU sends, and this data upload is arrived background server; In addition, receive the hot information Query Result that background server provides, this Query Result is fed back to embedded type CPU;
Navigation module, realize the transmission of navigation data (longitude and latitude of information point), behind the longitude and latitude of the focus correspondence that navigation module reception embedded type CPU passes over, focus is presented on the navigator, navigate successfully or unsuccessful, all return relevant information and give embedded type CPU, inform whether the pairing information point data of focus exist in navigational system.
The guidance system data transmission course is as follows:
S1: the user is by hotspot query module input inquiry information and be sent to embedded type CPU, and Query Information comprises perimeter query, classification inquiry, keyword query: perimeter query is affirming score size, information point classification at first; Obtain the longitude and latitude of current location by navigation module, the Query Information that the longitude and latitude data that get access to and user are selected is submitted to embedded type CPU; Classification inquiry is the user city that at first selects your destination, and software interface provides the information point classification (inquiring about such as business hall inquiry, inquiry about the hotels, school's inquiry, parking lot inquiry, the inquiry of automobile 4S point, shopping plaza inquiry, hospital's inquiry, tourist attractions) that several classes can be selected then; The user selects to want information inquiring point classification, then city name and information point classification is submitted to embedded type CPU; Keyword query is the user city that at first selects your destination, and software interface provides the literal input function, and the user imports and oneself wants the brief content of inquiring about, and then the key word of city name and user's input is submitted to embedded type CPU;
S2: embedded type CPU transmits the hotspot query data to wireless network communication module: after embedded type CPU receives Query Information, longitude and latitude with the current navigator place of obtaining from navigation module is formed the hotspot query data, and with the hotspot query data upload to the backstage Mobile Server, prompting background server feedback hot information Query Result;
S3: wireless network communication module is by network transmission function, the hotspot query data to being sent to background server; Background server can be to move the data collection and analysis feedback service of being responsible for, and also can be the service that other operators provide.Mainly be to see that it is which operator's scheme that wireless network communication module adopts.Main at present still China Mobile, CHINAUNICOM and China Telecom.Background server is gathered the information point data (information such as business hall, hotel, school, parking lot, automobile 4S point, shopping plaza, hospital, tourist attractions) in each city: the longitude and latitude of each each information point of city is decided, and extraction key word, for keyword query, and assignment information point classification.These information point data are made database file.When needs were inquired about, according to city name or longitude and latitude, key word, just can inquire about had any information point near certain position;
S4: background server sends the hot information Query Result that inquires to wireless network communication module: background server (sends such as the data organization form information point data data structure by appointment that inquires: city name+longitude and latitude+key word+concrete information point content) make up according to following arrangement; Wireless network communication module resolution data, just can obtain concrete hot information Query Result according to same data structure;
S5: the hot information Query Result turns back to embedded type CPU: background server feedback hotspot query information result, by wireless network communication module embedded type CPU is arrived in the anti-pass of hotspot query information result, set up normal Data Transport Protocol between embedded type CPU, wireless network communication module and the background server, data layout transmission is by appointment uploaded response protocol and is carried out data transmission.Various data are suitably handled, and wireless network communication module becomes embedded type CPU energy recognition data to the data of background server according to protocol conversion;
Data Transport Protocol between embedded type CPU and the wireless network communication module comprises: city name, the longitude and latitude of the particular location of inquiry, information point classification (business hall, hotel, school, parking lot, automobile 4S point, shopping plaza, hospital, tourism scape) is designed to code, the corresponding a kind of information point classification (being called the information point code) of each code.Information point is extracted key word, the corresponding a kind of information point of each key word.City name, latitude, longitude, information point code and key word are organized according to certain data structure form, and embedded type CPU and wireless network communication module are according to this uniform way deal with data;
Data Transport Protocol between wireless network communication module and the background server comprises: data comprise header file and data content file.The number as a result (if not inquiring data with regard to zero setting) that header file comprises Query Result zone bit (judging whether to inquire correct result) and inquires, data content comprises full detail point data content.Portion's information point data comprise the details of the full detail point that inquires, details comprise the city title, the longitude of particular location and latitude, concrete information point title (is for example inquired about the hotel, can find hotel in summer, red apricot wineshop etc., these concrete titles are shown), between wireless network communication module and the background server according to this uniform way deal with data;
S6: embedded type CPU turns back to the hotspot query module to the hot information Query Result;
S7: the hotspot query module receives the hot information Query Result, after the user has selected concrete focus, the longitude and latitude of this focus in the hot information Query Result is fed back to embedded type CPU;
S8: embedded type CPU feeds back to navigation module by embedded type CPU again; Pass through Data Transport Protocol specified data communication mode between hotspot query module and the navigation module;
Between hotspot query module and the navigation module reportedly transmission protocol comprise: city name, focus longitude and latitude, information point title.Between hotspot query module and the navigation module according to this uniform way deal with data.At navigation module, the corresponding information point in each position of map datum (longitude and latitude can be determined a location point), whether consistent the pairing information point title of longitude and latitude of the focus that the navigation module affirmation is imported into is with the information point of map datum correspondence position, if be exactly coupling always; If inconsistent, do not match exactly;
S9: navigation module feeds back to embedded type CPU with navigation information: after navigation module is judged coupling, the longitude and latitude that reads focus reads out, and on navigation map, show hotspot location, finished the focus position fixing process, so just the focus that inquires has been defined as the destination, obtained departure place information by obtaining current location, navigation module is provided with navigation information automatically, and match information is fed back to embedded type CPU, notify user's hot information inquiry location to finish, wait for that the user instructs next time.
With the inquiry of Chengdu, Sichuan Province China Mobile Service Hall is example:
The classification inquiry:
The user selects city name by the hotspot query module: Chengdu, Sichuan Province, select the classification query function, and click inquiry.The hot information query software sends following data to embedded type CPU: Sichuan Province's Chengdu+China Mobile Service Hall (city name+query categories).Embedded type CPU receives after the data, the notice wireless network communication module, and the hotspot query module requires the information below the inquiry: Sichuan Province's Chengdu+China Mobile Service Hall.Wireless network communication module sends to background server becoming data with regard to the information package of receiving.After background server was received search request, beginning was in whole China Mobile Service Hall information in the inner inquiry of server Chengdu, Sichuan Province.The data that inquire are as follows: (being data declaration in the bracket)
HTTP/1.1OK (inquiry zone bit, OK show that the data that inquire are normal)
Content-Length:1459 (data length)
Date:Wed, 05 May, 2010 03:30:24 GMT (query time record)
Connection:Keep-Alive (current query State shows normal)
Via:HTTP/1.1 sccd-ps-wap-gw28 (requester network)
(following content is concrete business hall data query record)
(Pinyin abbreviation+longitude+latitude+query categories+province+city of inquiry coding+Chinese+Chinese)
9000014505 cercis business hall ZJYYT, 374,598,417 110206857 3E0413 Sichuan Province, Chengdu
9000014456 business hall CRYYT 374,756,868 110171368 3E0413 Sichuan Province that die for a righteous cause, Chengdu
9000014458 coloured glaze business hall LLYYT, 374,772,744 110164748 3E0413 Sichuan Province, Chengdu
9000014495 Gui Xi business hall GXYYT, 374,658,742 110226024 3E0413 Sichuan Province, Chengdu
9000014507 angle business hall SXYYT, 374,578,131 110235272 3E0413 Sichuan Province, Chengdu
9000014487 Ni family bridge business hall NJQYYT 374,609,376 110246997 3E0413 Sichuan Province, Chengdu
9000014489 section North China business hall KHBYYT, 374,675,968 110263870 3E0413 Sichuan Province, Chengdu
9000014486 Yulin business hall YLYYT, 374,619,931 110279095 3E0413 Sichuan Province, Chengdu
9000046876 Fu He business hall FHYYT, 374,591,034 109841284 3E0413 Sichuan Province, Chengdu
9000054614 civilian star business hall WXYYT, 374,384,239 109960686 3E0413 Sichuan Province, Chengdu
9000014493 bunches of bridge business hall CQYYT 374,378,065 110175084 3E0413 Sichuan Province, Chengdu
9000059748 red Wa Si business hall HWSYYT, 374,696,409 110294186 3E0413 Sichuan Province, Chengdu
9000044466 famous building business hall HPLYYT, 374,513,677 110286565 3E0413 Sichuan Province, Chengdu
9000014490 Xin Nan business hall XNYYT, 374,673,816 110301109 3E0413 Sichuan Province, Chengdu
9000014561 magnificent positive business hall HYYYT, 374,601,106 109820178 3E0413 Sichuan Province, Chengdu
9000014563 China positive self-built Room HYZJT 374,601,312 109820116 3E0413 Sichuan Province, Chengdu
9000014457 lotus osmanthus business hall LGYYT, 374,749,073 110287029 3E0413 Sichuan Province, Chengdu
Background server sends above-mentioned data to wireless network communication module by fixing data structure form, after wireless network communication module receives top data, according to the data structure form data analysis is come out, just can send to embedded type CPU to these data.Embedded type CPU is received after the data, and data are sent to the hotspot query module.The hotspot query module is shown to the interface to data content according to the data structure form, checks for the user.The user selects wherein record, such as:
9000014505 cercis business hall ZJYYT, 374,598,417 110206857 3E0413 Sichuan Province, Chengdu hotspot query module sends these data to navigation module by embedded type CPU.Navigation module just can show this position by longitude (374598417) and latitude (110206857) on map, and name of the information is shown (cercis business hall).On the map of navigation module, the position of information point has been arranged, just can pass through engine map, be the destination with this position, the active user position is the departure place, and navigation way is set, and drives to have gone to the destination.
Perimeter query:
The user selects the query context size by the hotspot query module, is basic point with the current location, can select 0.5 kilometer to 5 kilometers.Select query categories (China Mobile Service Hall) again, click inquiry and begin inquiry; The hotspot query module is selected following data are sent to embedded type CPU: 5 kilometers+China Mobile Service Hall (scope+query categories).Embedded type CPU receives after the data, the notice navigation module, navigation module is determined the longitude and the latitude of current location, suppose that current location is in Sichuan University, longitude is 30, latitude is 104, and the longitude of current location and latitude (30+104) are returned to embedded type CPU, embedded the longitude and latitude of current location and query categories is sent to wireless network communication module.Wireless network communication module sends to background server becoming data with regard to the information package of receiving.After background server was received search request, beginning was in whole China Mobile Service Hall information in the inner inquiry of server Chengdu, Sichuan Province.
Keyword query:
The user selects city name by the hotspot query module: Chengdu, Sichuan Province, at the key word (China Mobile Service Hall) that the manual input in keyword input field the inside will be inquired about, click inquiry.The hotspot query module sends following data to embedded type CPU: Sichuan Province's Chengdu+China Mobile Service Hall (city name+key word).Embedded type CPU receives after the data, the notice wireless network communication module, and the hotspot query module requires the information below the inquiry: Sichuan Province's Chengdu+China Mobile Service Hall.Wireless network communication module sends to background server becoming data with regard to the information package of receiving.After background server was received search request, beginning was in whole China Mobile Service Hall information in the inner inquiry of server Chengdu, Sichuan Province.
When actual input inquiry information, classification Query Information, perimeter query information, keyword query information can be used in combination, as working as input classification Query Information, perimeter query information, after background server is determined query context by perimeter query range of information size with current longitude and latitude, again with the classification Query Information in the pairing query context of city name make exclusive disjunction, determine zone that two query contexts repeat as the query composition scope, the information point data of the information point classification coupling of in the query composition scope, searching and importing again; When input perimeter query information, keyword query information, after background server is determined query context by perimeter query range of information size with current longitude and latitude, again with keyword query information in the pairing query context of city name make exclusive disjunction, again with the classification Query Information in the pairing query context of city name make exclusive disjunction, determine zone that two query contexts repeat as the query composition scope, the information point classification of in the query composition scope, searching and importing and the information point data of keyword matching.By top description, those skilled in the art can make up three types inquiry mode arbitrarily in twos, or three kinds of inquiry modes are used simultaneously.
Claims (10)
1. on navigator, support the method for hotspot query, it is characterized in that, comprise step:
A, background server collection and in local data base the canned data point data, each information point data comprises longitude and latitude, the key word of information point correspondence, the information point classification of information point place city name, information point title, information point correspondence;
B, user be input inquiry information on navigator, and navigator generates the hotspot query data and the hotspot query data are sent to background server by wireless network according to the Query Information of input; Described hotspot query data comprise the longitude and latitude and the described Query Information of the current position of navigator;
After c, background server received the hotspot query data, the inquiry local data base was sent to navigator with the hot information Query Result by wireless network; Described hot information Query Result comprises the information point data of Query Result zone bit, the number as a result that inquires, focus correspondence; Described Query Result zone bit is used to identify this and whether inquires matching result;
After d, navigator received the hot information Query Result, the user need to select the focus of navigation; Navigator is extracted information point title, the longitude and latitude of this focus correspondence in the hot information Query Result, and in navigation data, search the information point of relevant position according to the longitude and latitude that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation data, in this way, then on navigation map, show this focus, and finish the navigator fix of this focus, and as not, the hotspot query failure.
2. on navigator, support the method for hotspot query according to claim 1, it is characterized in that described Query Information comprises perimeter query information, classification Query Information or keyword query information.
3. as on navigator, supporting the method for hotspot query as described in the claim 2, it is characterized in that described perimeter query information comprises range size, information point classification;
Among the described step c, after receiving the hotspot query data that contain perimeter query information when background server, longitude and latitude and range size according to the current position of navigator in the hotspot query data are determined query context, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
4. as on navigator, supporting the method for hotspot query as described in the claim 2, it is characterized in that described classification Query Information comprises city name, information point classification;
Among the described step c, after receiving the hotspot query data that contain the classification Query Information when background server, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
5. as on navigator, supporting the method for hotspot query as described in the claim 2, it is characterized in that described keyword query information comprises city name, key word;
Among the described step c, after receiving the hotspot query data that contain keyword query information when background server, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and key word, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
6. navigational system is characterized in that, comprises background server, navigator,
Described background server is used for, gather and in local data base the canned data point data, each information point data comprises longitude and latitude, the key word of information point correspondence, the information point classification of information point place city name, information point title, information point correspondence; After background server received the hotspot query data, the inquiry local data base was sent to navigator with the hot information Query Result by wireless network; The hot information Query Result comprises the information point data of Query Result zone bit, the number as a result that inquires, focus correspondence; The Query Result zone bit is used to identify this and whether inquires matching result;
Described navigator is used for, and generates the hotspot query data according to the Query Information of importing and is sent to background server by wireless network; Described hotspot query data comprise the longitude and latitude and the Query Information of the current position of navigator; Navigator receives the hot information Query Result, after determining the user-selected focus that needs to navigate, extract information point title, the longitude and latitude of this focus correspondence in the hot information Query Result, and in navigation data, search the information point of relevant position according to the longitude and latitude that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation data, in this way, then on navigation map, show this focus, and finish the navigator fix of this focus, as denying the hotspot query failure.
7. as navigational system as described in the claim 6, it is characterized in that described Query Information comprises perimeter query information; Described perimeter query information comprises range size, information point classification;
Described background server also is used for, after receiving the hotspot query data that contain perimeter query information, longitude and latitude and range size according to the current position of navigator in the hotspot query data are determined query context, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
8. as navigational system as described in the claim 6, it is characterized in that described Query Information comprises the classification Query Information; Described classification Query Information comprises city name, information point classification;
Described background server also is used for, after receiving the hotspot query data that contain the classification Query Information, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and information point classification, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
9. as navigational system as described in the claim 6, it is characterized in that described Query Information comprises keyword query information; Described keyword query information comprises city name, key word;
Described background server also is used for, after receiving the hotspot query data that contain keyword query information, determine query context according to the city name in the hotspot query data, and in local data base, search the information point data of coupling according to query context and key word, with the information point data of all couplings information point data as focus correspondence in the hot information Query Result.
10. navigator comprises embedded processing module, navigation module, it is characterized in that, also comprises wireless network communication module, hotspot query module;
Wireless network communication module is used for, by the transmission hotspot query data of wireless network realization to background server; Receive the hot information Query Result that background server sends, and be sent to the hotspot query module by the embedded processing module;
The embedded processing module is used for, and realizes the data interaction between wireless network communication module, navigation module, the hotspot query module;
Navigation module is used for, receive the longitude and latitude of focus correspondence after, on navigation map, show focus, and finish the navigator fix of focus;
The hotspot query module is used for, and transmits wireless network communication module according to the Query Information generation hotspot query data of input and by the embedded processing module; Described hotspot query data comprise the longitude and latitude and the Query Information of the current position of navigator; Receive the hot information Query Result, and after determining the focus of user-selected needs, extract the information point title of this focus correspondence in the hot information Query Result, the longitude and latitude of this information point correspondence, in navigation module, search the information point of relevant position according to the longitude and latitude of the information point correspondence that extracts, judge in the hot information Query Result whether the information point title of correspondence position is consistent in the information point title and navigation module, in this way, the longitude and latitude with this focus correspondence is sent to navigation module by the embedded processing module.
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| CN104484462A (en) * | 2014-12-29 | 2015-04-01 | 西安航天华迅科技有限公司 | Enterprise information acquisition method and system |
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