CN103476111A - Method, device and system for obtaining geographic position information - Google Patents
Method, device and system for obtaining geographic position information Download PDFInfo
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- CN103476111A CN103476111A CN2013103712959A CN201310371295A CN103476111A CN 103476111 A CN103476111 A CN 103476111A CN 2013103712959 A CN2013103712959 A CN 2013103712959A CN 201310371295 A CN201310371295 A CN 201310371295A CN 103476111 A CN103476111 A CN 103476111A
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Abstract
The invention discloses a method, a device and a system for obtaining geographic position information, belonging to the technical field of positioning. The method comprises the following steps: acquiring current first longitude and latitude coordinates of a terminal; in a pre-stored longitude and latitude coordinate set, acquiring second longitude and latitude coordinates, wherein the distance from the second longitude and latitude coordinates to the first longitude and latitude coordinates is shorter than a first predetermined distance; and according to a corresponding relationship between the pre-stored longitude and latitude coordinates and the geographic position information, acquiring the geographic position information corresponding to the second longitude and latitude coordinates, wherein the geographic position information corresponding to the second longitude and latitude coordinates is taken as the geographic position information corresponding to the first longitude and latitude coordinates. According to the invention, the speed of obtaining the geographic position information and the positioning efficiency are improved by taking the pre-stored geographic position information at a short distance as the current geographic position information.
Description
Technical field
The present invention relates to field of locating technology, a kind of particularly method of obtaining geographical location information, Apparatus and system.
Background technology
Along with the improving constantly of people's living standard, people grow with each passing day to the demand of positioning service in recent years, and the user can use the various locate modes that mobile terminal provides to obtain current residing geographical location information.
The mode of obtaining geographical location information in prior art is: the user obtains the latitude and longitude coordinates of current present position after using mobile terminal to position, by invocation map service provider's API(Application Programming Interface, application programming interface) obtain geographical location information corresponding to this latitude and longitude coordinates (as: Tian An-men) in pre-stored latitude and longitude coordinates in corresponding geographical location information.
In realizing process of the present invention, the inventor finds that at least there is following problem in prior art:
During each querying geographical position information, all need invocation map service provider's API, locating speed is slow, affects the efficiency of user's querying geographical position information.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of method of obtaining geographical location information, Apparatus and system.Described technical scheme is as follows:
On the one hand, provide a kind of method of obtaining geographical location information, the pre-stored latitude and longitude coordinates set of terminal, described method comprises:
Obtain the first current latitude and longitude coordinates of described terminal;
In pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
In pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described in pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range, comprising:
Calculate the distance between each latitude and longitude coordinates in described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
In the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
Wherein, described in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates, comprising:
In the described distance calculated, choose latitude and longitude coordinates corresponding to distance that any one is less than the first predeterminable range, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates;
Perhaps,
In the described distance calculated, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
Wherein, described in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and corresponding geographical location information, as geographical location information corresponding to described the first latitude and longitude coordinates, comprising using described the second latitude and longitude coordinates:
Calculate the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
When the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
Wherein, after the distance between described the first latitude and longitude coordinates of described calculating and described the second latitude and longitude coordinates, described method also comprises:
When the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
If do not exist, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described judge in described pre-stored latitude and longitude coordinates set whether exist and with described the first latitude and longitude coordinates, do not calculate the latitude and longitude coordinates of distance after, described method also comprises:
If exist, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates;
When having distance between latitude and longitude coordinates and described the first latitude and longitude coordinates while being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and re-execute in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates the step of corresponding geographical location information corresponding geographical location information as described the first latitude and longitude coordinates.
Wherein, the pre-stored latitude and longitude coordinates set of described terminal comprises:
When carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set;
Perhaps,
The latitude and longitude coordinates set that reception server sends.
On the other hand, provide a kind of method of obtaining geographical location information, described method comprises:
According to the locating information of terminal to report, determine the zone at described terminal place;
Obtain the 3rd latitude and longitude coordinates that location number of times that described zone comprises is greater than preset times, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
Wherein, the described locating information according to terminal to report, determine and the zone at described terminal place comprise:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
On the other hand, provide a kind of device that obtains geographical location information, described device comprises:
Memory module, for the pre-stored latitude and longitude coordinates set of terminal;
The first acquisition module, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described the second acquisition module comprises:
The first computing unit, for the distance between each latitude and longitude coordinates of calculating described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
Choose unit, in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
Wherein, the described unit of choosing comprises:
First chooses subelement, in the described distance calculated, chooses latitude and longitude coordinates corresponding to distance that any one is less than the first predeterminable range, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates;
Second chooses subelement, in the described distance calculated, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
Wherein, described the 3rd acquisition module comprises:
The second computing unit, for calculating the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
The first acquiring unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
Wherein, described the 3rd acquisition module also comprises:
Judging unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
Second acquisition unit, if, for not existing, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described the 3rd acquisition module also comprises:
The 3rd computing unit, if for existing, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates;
The 3rd acquiring unit, for when have between latitude and longitude coordinates and described the first latitude and longitude coordinates when being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and re-execute in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates the step of corresponding geographical location information corresponding geographical location information as described the first latitude and longitude coordinates.
Wherein, described memory module comprises:
The first memory cell, for when carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set;
The second memory cell, the latitude and longitude coordinates set sent for reception server.
On the other hand, provide a kind of device that obtains geographical location information, described device comprises:
Determination module, for the locating information according to terminal to report, determine the zone at described terminal place;
The 4th acquisition module, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
Wherein, described determination module specifically for:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
On the other hand, provide a kind of system of obtaining geographical location information, described device comprises:
Described terminal comprises:
Memory module, for the pre-stored latitude and longitude coordinates set of terminal;
The first acquisition module, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Described server comprises:
Determination module, for the locating information according to terminal to report, determine the zone at described terminal place;
The 4th acquisition module, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow diagram that obtains geographical location information that the embodiment of the present invention one provides;
Fig. 2 is the method flow diagram that obtains geographical location information that the embodiment of the present invention two provides;
Fig. 3 is the method flow diagram that obtains geographical location information that the embodiment of the present invention three provides;
Fig. 4 is the method flow diagram that obtains geographical location information that the embodiment of the present invention four provides;
Fig. 5 is the apparatus structure schematic diagram that obtains geographical location information that the embodiment of the present invention five provides;
Fig. 6 is the apparatus structure schematic diagram that obtains geographical location information that the embodiment of the present invention six provides;
Fig. 7 is the system configuration schematic diagram that obtains geographical location information that the embodiment of the present invention seven provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
The embodiment of the present invention provides a kind of method of obtaining geographical location information, and referring to Fig. 1, method flow comprises:
101: obtain the first current latitude and longitude coordinates of described terminal;
102: in pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
103: in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, obtain the method for geographical location information in carrying out the embodiment of the present invention before, the pre-stored latitude and longitude coordinates set of terminal, this process can be specially:
When carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set.
Perhaps,
The latitude and longitude coordinates set that reception server sends.
Wherein, illustrating for two kinds of modes of latitude and longitude coordinates set pre-stored in terminal:
For first kind of way, when terminal is located at every turn, the latitude and longitude coordinates that capital will obtain by location, and the geographical location information that inquires of the API by this latitude and longitude coordinates invocation map service provider, the corresponding relation of these two information is preserved, and finally gathering is a latitude and longitude coordinates set.
For the second way, by server, the locating information of each terminal to report is carried out to Macro or mass analysis, can obtain the zone of the scope of activities of each terminal, and be defined as the latitude and longitude coordinates set by locating latitude and longitude coordinates and geographical location information corresponding to this latitude and longitude coordinates of number of times over preset times in this zone, send to terminal.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment bis-
The embodiment of the present invention provides a kind of method of obtaining geographical location information, and referring to Fig. 2, method flow comprises:
201: according to the locating information of terminal to report, determine the zone at described terminal place.
Wherein, the described locating information according to terminal to report, determine and the zone at described terminal place comprise:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
Wherein, the latitude and longitude coordinates that terminal can obtain location after positioning and the geographical location information obtained by this coordinate are sent to server as locating information, wherein terminal, when sending locating information, can also send to server by locating information by the cell ID of the community of current access.Further, server can be determined by cell ID and/or latitude and longitude coordinates the zone at terminal place.By preset time period is set, can determine more accurately terminal frequent movable zone in the certain hour section.
202: obtain the 3rd latitude and longitude coordinates that location number of times that described zone comprises is greater than preset times, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set.
203: described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment tri-
The embodiment of the present invention provides a kind of method of obtaining geographical location information, and referring to Fig. 3, method flow comprises:
301: obtain the first current latitude and longitude coordinates of described terminal.
Wherein, terminal positions the mode of obtaining the first latitude and longitude coordinates and can comprise: satellite fix, and the modes such as architecture, WIFI location, the embodiment of the present invention is not limited this.
302: in pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range.
Each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set and the first latitude and longitude coordinates are carried out to distance to be calculated.Choose the latitude and longitude coordinates that is less than numerical value minimum in the first predeterminable range and distance.Its process can be specially:
3021: calculate the distance between each latitude and longitude coordinates in described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
3022: in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
If wherein the distance between each latitude and longitude coordinates in the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set is greater than the first predeterminable range, by invocation map service provider's API.
Further, the mode of choosing the second latitude and longitude coordinates in step 3022 is two kinds, is respectively: 30221: in the described latitude and longitude coordinates of choosing, choose any one latitude and longitude coordinates and be defined as the second latitude and longitude coordinates; Perhaps,
30222: in the described latitude and longitude coordinates of choosing, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
303: in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Now, geographical location information corresponding to the second latitude and longitude coordinates obtained is a rough geographical location information, and this rough geographical location information can obtain fast, for the user shows at once.Further, in order to obtain more accurately geographical location information, can also set a threshold value: the second predeterminable range.Can further determine by the second predeterminable range whether geographical location information corresponding to the second latitude and longitude coordinates can be used as geographical location information corresponding to the first latitude and longitude coordinates.Wherein, the second predeterminable range of setting need to be less than the first predeterminable range, and for example: the first predeterminable range is set as 100 meters, and the second predeterminable range is set as 50 meters, and the precision of the locate mode of choosing when wherein the concrete size of setting need to be according to location is determined.
Therefore, after having set the second predeterminable range, further judge that the whether more accurate process of geographical location information corresponding to the second latitude and longitude coordinates is:
3031: calculate the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
3032: when the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
3033: when the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is greater than the second predeterminable range, according to described the first latitude and longitude coordinates, call default application programming interface api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, if while being greater than the second predeterminable range, can be first using the second latitude and longitude coordinates corresponding geographical location information temporarily as the first latitude and longitude coordinates, corresponding geographical location information is shown to the user, api interface by the invocation map service provider obtains geographical location information corresponding to the first latitude and longitude coordinates accurately simultaneously, after getting, by the first latitude and longitude coordinates accurately, corresponding geographical location information substitutes geographical location information corresponding to the second latitude and longitude coordinates and is shown to the user.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment tetra-
The embodiment of the present invention provides a kind of method of obtaining geographical location information, and referring to Fig. 4, method flow comprises:
401: obtain the first current latitude and longitude coordinates of described terminal;
402: in pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range.
Wherein, each latitude and longitude coordinates in the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set is carried out to distance to be calculated, and whether the distance that judgement obtains is less than the first predeterminable range, when first distance calculated is less than the latitude and longitude coordinates of the first predeterminable range, this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
403: in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, step 403 is specially:
4031: when the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
Wherein, the distance between the first latitude and longitude coordinates and the second latitude and longitude coordinates is by calculating in step 402.
4032: when the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
4033: if do not exist, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
4034: if exist, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates.
4035: when having distance between latitude and longitude coordinates and described the first latitude and longitude coordinates while being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and again performs step 403 process.
First distance calculated is less than to latitude and longitude coordinates that the first predeterminable range is corresponding as the second latitude and longitude coordinates, performs step 402 process.Circulation execution step afterwards 403, until determine geographical location information corresponding to the first latitude and longitude coordinates.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment five
The embodiment of the present invention provides a kind of device that obtains geographical location information, and referring to Fig. 5, this device comprises:
The first acquisition module 502, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module 503, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module 504, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described the second acquisition module 503 comprises:
The first computing unit, for the distance between each latitude and longitude coordinates of calculating described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
Choose unit, in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
Wherein, the described unit of choosing comprises:
First chooses subelement, in the described distance calculated, chooses latitude and longitude coordinates corresponding to distance that any one is less than the first predeterminable range, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates;
Second chooses subelement, in the described distance calculated, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
Wherein, described the 3rd acquisition module 504 comprises:
The second computing unit, for calculating the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
The first acquiring unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
Wherein, described the 3rd acquisition module 504 also comprises:
Judging unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
Second acquisition unit, if, for not existing, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
Wherein, described the 3rd acquisition module 504 also comprises:
The 3rd computing unit, if for existing, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates;
The 3rd acquiring unit, for when have between latitude and longitude coordinates and described the first latitude and longitude coordinates when being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and re-execute in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates the step of corresponding geographical location information corresponding geographical location information as described the first latitude and longitude coordinates.
Wherein, described memory module 501 comprises:
The first memory cell, for when carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set;
The second memory cell, the latitude and longitude coordinates set sent for reception server.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment six
The embodiment of the present invention provides a kind of device that obtains geographical location information, and referring to Fig. 6, this device comprises:
The 4th acquisition module 602, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module 603, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
Wherein, described determination module 601 specifically for:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
Embodiment seven
The embodiment of the present invention provides a kind of system of obtaining geographical location information, and referring to Fig. 7, this system comprises:
Described terminal 701 comprises:
Memory module, for the pre-stored latitude and longitude coordinates set of terminal;
The first acquisition module, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Described server 702 comprises:
Determination module, for the locating information according to terminal to report, determine the zone at described terminal place;
The 4th acquisition module, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
The embodiment of the present invention is by the first latitude and longitude coordinates that location is got, carrying out distance with each latitude and longitude coordinates in pre-stored latitude and longitude coordinates set calculates, selected distance is less than the second latitude and longitude coordinates of the first predeterminable range, and using the second latitude and longitude coordinates the corresponding geographical location information geographical location information corresponding as the first latitude and longitude coordinates.Use the geographical location information of pre-stored closer distance as current geographical location information, improved the speed of obtaining geographical location information, improved the efficiency of location.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (19)
1. a method of obtaining geographical location information, is characterized in that, the pre-stored latitude and longitude coordinates set of terminal, and described method comprises:
Obtain the first current latitude and longitude coordinates of described terminal;
In pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
In pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
2. method according to claim 1, is characterized in that, described in pre-stored latitude and longitude coordinates set, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range, comprising:
Calculate the distance between each latitude and longitude coordinates in described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
In the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
3. method according to claim 2, is characterized in that, described in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates, comprising:
In the described distance calculated, choose latitude and longitude coordinates corresponding to distance that any one is less than the first predeterminable range, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates;
Perhaps,
In the described distance calculated, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
4. method according to claim 1, it is characterized in that, described in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and corresponding geographical location information, as geographical location information corresponding to described the first latitude and longitude coordinates, comprising using described the second latitude and longitude coordinates:
Calculate the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
When the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
5. method according to claim 4, is characterized in that, after the distance between described the first latitude and longitude coordinates of described calculating and described the second latitude and longitude coordinates, described method also comprises:
When the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates is greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
If do not exist, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
6. method according to claim 5, is characterized in that, described judge in described pre-stored latitude and longitude coordinates set whether exist and with described the first latitude and longitude coordinates, do not calculate the latitude and longitude coordinates of distance after, described method also comprises:
If exist, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates;
When having distance between latitude and longitude coordinates and described the first latitude and longitude coordinates while being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and re-execute in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates the step of corresponding geographical location information corresponding geographical location information as described the first latitude and longitude coordinates.
7. method according to claim 1, is characterized in that, the pre-stored latitude and longitude coordinates set of described terminal comprises:
When carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set;
Perhaps,
The latitude and longitude coordinates set that reception server sends.
8. a method of obtaining geographical location information, is characterized in that, described method comprises:
According to the locating information of terminal to report, determine the zone at described terminal place;
Obtain the 3rd latitude and longitude coordinates that location number of times that described zone comprises is greater than preset times, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
9. method according to claim 8, is characterized in that, the described locating information according to terminal to report is determined and the zone at described terminal place comprised:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
10. a device that obtains geographical location information, is characterized in that, described device comprises:
Memory module, for the pre-stored latitude and longitude coordinates set of terminal;
The first acquisition module, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates.
11. device according to claim 10, is characterized in that, described the second acquisition module, comprise
The first computing unit, for the distance between each latitude and longitude coordinates of calculating described the first latitude and longitude coordinates and pre-stored latitude and longitude coordinates set;
Choose unit, in the described distance calculated, choose be less than the first predeterminable range latitude and longitude coordinates corresponding to distance as the second latitude and longitude coordinates.
12. device according to claim 11, is characterized in that, the described unit of choosing comprises:
First chooses subelement, in the described distance calculated, chooses latitude and longitude coordinates corresponding to distance that any one is less than the first predeterminable range, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates;
Second chooses subelement, in the described distance calculated, choose and described the first latitude and longitude coordinates between distance be minimum latitude and longitude coordinates, and this latitude and longitude coordinates is defined as to the second latitude and longitude coordinates.
13. device according to claim 10, is characterized in that, described the 3rd acquisition module comprises:
The second computing unit, for calculating the distance between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates;
The first acquiring unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being less than the second predeterminable range, in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Wherein, described the second predeterminable range is less than described the first predeterminable range.
14. device according to claim 13, is characterized in that, described the 3rd acquisition module also comprises:
Judging unit, while for the distance when between described the first latitude and longitude coordinates and described the second latitude and longitude coordinates, being greater than the second predeterminable range, judge in described pre-stored latitude and longitude coordinates set whether have the latitude and longitude coordinates of with described the first latitude and longitude coordinates, not calculating distance;
Second acquisition unit, if, for not existing, according to described the first latitude and longitude coordinates, call default api interface and obtain geographical location information corresponding to described the first latitude and longitude coordinates.
15. device according to claim 14, is characterized in that, described the 3rd acquisition module also comprises:
The 3rd computing unit, if for existing, calculate in described pre-stored latitude and longitude coordinates set not and described the first latitude and longitude coordinates is calculated the latitude and longitude coordinates of distance and the distance between described the first latitude and longitude coordinates;
The 3rd acquiring unit, for when have between latitude and longitude coordinates and described the first latitude and longitude coordinates when being less than the first predeterminable range, it is the second latitude and longitude coordinates that the latitude and longitude coordinates of this existence is redefined, and re-execute in pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates the step of corresponding geographical location information corresponding geographical location information as described the first latitude and longitude coordinates.
16. device according to claim 10, is characterized in that, described memory module comprises:
The first memory cell, for when carrying out historical position fixing process, the corresponding relation between geographical location information corresponding to the latitude and longitude coordinates that the latitude and longitude coordinates that location is obtained and the described location obtained obtain, be kept in the latitude and longitude coordinates set;
The second memory cell, the latitude and longitude coordinates set sent for reception server.
17. a device that obtains geographical location information, is characterized in that, described device comprises:
Determination module, for the locating information according to terminal to report, determine the zone at described terminal place;
The 4th acquisition module, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
18. method according to claim 17, is characterized in that, described determination module specifically for:
Choose latitude and longitude coordinates and/or cell ID in the locating information that terminal reports in preset time period, determine the zone at described terminal place.
19. a system of obtaining geographical location information comprises: terminal and server; It is characterized in that,
Described terminal comprises:
Memory module, for the pre-stored latitude and longitude coordinates set of terminal;
The first acquisition module, for obtaining the first current latitude and longitude coordinates of described terminal;
The second acquisition module, for the latitude and longitude coordinates set pre-stored, obtain and described the first latitude and longitude coordinates between distance be less than the second latitude and longitude coordinates of the first predeterminable range;
The 3rd acquisition module, be used at pre-stored latitude and longitude coordinates and the corresponding relation between geographical location information, obtain geographical location information corresponding to described the second latitude and longitude coordinates, and using described the second latitude and longitude coordinates corresponding geographical location information as geographical location information corresponding to described the first latitude and longitude coordinates;
Described server comprises:
Determination module, for the locating information according to terminal to report, determine the zone at described terminal place;
The 4th acquisition module, be greater than the 3rd latitude and longitude coordinates of preset times for obtaining location number of times that described zone comprises, and geographical location information corresponding to described the 3rd latitude and longitude coordinates, and the corresponding relation of described the 3rd latitude and longitude coordinates and geographical location information corresponding to described the 3rd latitude and longitude coordinates is defined as to the latitude and longitude coordinates set;
Return to module, for described latitude and longitude coordinates set is returned to described terminal, so that described terminal is integrated into while positioning and obtains geographical location information according to described latitude and longitude coordinates.
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