CN104280045A - Method and device for acquiring navigation information - Google Patents
Method and device for acquiring navigation information Download PDFInfo
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- CN104280045A CN104280045A CN201410547287.XA CN201410547287A CN104280045A CN 104280045 A CN104280045 A CN 104280045A CN 201410547287 A CN201410547287 A CN 201410547287A CN 104280045 A CN104280045 A CN 104280045A
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- candidate
- change location
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
Abstract
The embodiment of the invention provides a method and a device for acquiring navigation information. The method comprises the steps of acquiring the information of a navigation route of a terminal on which a client is arranged, acquiring a target reference aiming at the position of the change of direction, and acquiring the navigation information according to the direction indication information corresponding to the target reference and the position of the change of the direction. According to the technical scheme, the problem that the navigation information cannot be accurately acquired in time in the prior art can be avoided, and the reliability of the navigation information can be improved.
Description
[technical field]
The present invention relates to technical field, particularly relate to a kind of acquisition methods and device of navigation information.
[background technology]
At present, in navigation procedure, client mainly provides navigation information by modes such as sound, word or images to user.Wherein, consider the safety problem in driving procedure, the navigation information of mode word or image mode all can the notice of dispersion user, so at present in navigation procedure, mainly utilize voice mode to report navigation information.Utilizing voice mode in the process reporting navigation information, navigation information comprises range information and direction information, as " turning left in, 200 meters, front ".
But according to the navigation information that provides, user needs people to estimate for the information of adjusting the distance, and range information also can exist certain error, make in time and obtain navigation information exactly, to cause the Reliability comparotive of current navigation information low.
[summary of the invention]
In view of this, embodiments provide a kind of acquisition methods and device of navigation information, in time and obtain navigation information exactly, the reliability of navigation information can be improved.
The one side of the embodiment of the present invention, provides a kind of acquisition methods of navigation information, comprising:
Obtain the navigation route information of client place terminal, described navigation route information comprises direction change location and direction information corresponding to described direction change location;
Obtain the target object of reference for described direction change location;
According to described target object of reference and direction information corresponding to described direction change location, obtain navigation information.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, and described acquisition, for the target object of reference of described direction change location, comprising:
According to positional information and the described direction change location of M candidate's object of reference, from described M candidate's object of reference, obtain N number of candidate's object of reference; M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M;
Using described N number of candidate's object of reference as the described target object of reference for direction change location; Or, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, using as the described target object of reference for direction change location.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, comprising from described M candidate's object of reference:
Obtain the destination path between the position of described client place terminal and described direction change location; Or, obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location;
According to the positional information of described M candidate's object of reference and the positional information of described destination path, from described M candidate's object of reference, select the described N number of candidate's object of reference be positioned on described destination path.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, comprising from described M candidate's object of reference:
According to the positional information of described M candidate's object of reference, the distance obtained between the change location of described direction is less than or equal to N number of candidate's object of reference of default distance threshold.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described attribute information according to described N number of candidate's object of reference, selects candidate's object of reference, comprising from described N number of candidate's object of reference:
According at least one candidate type that described N number of candidate's object of reference is corresponding, obtain the number of candidate's object of reference corresponding to each described candidate type;
The number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of default number thresholding, using as target type;
According to the priority of described N number of candidate's object of reference, obtain candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
Aspect as above and arbitrary possible implementation, a kind of implementation is provided further, described according to described target object of reference and direction information corresponding to described direction change location, obtain navigation information, comprise: the direction information corresponding according to described target object of reference, described direction change location and the range information between the current location of described client place terminal and described direction change location, obtain described navigation information.
The another aspect of the embodiment of the present invention, provides a kind of acquisition device of navigation information, comprising:
Path planning unit, for obtaining the navigation route information of client place terminal, described navigation route information comprises direction change location and direction information corresponding to described direction change location;
Object of reference acquiring unit, for obtaining the target object of reference for described direction change location;
Information generating unit, for according to described target object of reference and direction information corresponding to described direction change location, obtains navigation information.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, described object of reference acquiring unit, specifically for:
According to positional information and the described direction change location of M candidate's object of reference, from described M candidate's object of reference, obtain N number of candidate's object of reference; M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M;
Using described N number of candidate's object of reference as the described target object of reference for direction change location; Or, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, using as the described target object of reference for direction change location.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, be specially from described M candidate's object of reference:
Obtain the destination path between the position of described client place terminal and described direction change location; Or, obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location;
According to the positional information of described M candidate's object of reference and the positional information of described destination path, from described M candidate's object of reference, select the described N number of candidate's object of reference be positioned on described destination path.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, be specially from described M candidate's object of reference:
According to the positional information of described M candidate's object of reference, the distance obtained between the change location of described direction is less than or equal to N number of candidate's object of reference of default distance threshold.
Aspect as above and arbitrary possible implementation, provide a kind of implementation further, the described attribute information according to described N number of candidate's object of reference, selects candidate's object of reference, be specially from described N number of candidate's object of reference:
According at least one candidate type that described N number of candidate's object of reference is corresponding, obtain the number of candidate's object of reference corresponding to each described candidate type;
The number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of default number thresholding, using as target type;
According to the priority of described N number of candidate's object of reference, obtain candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
Aspect as above and arbitrary possible implementation, a kind of implementation is provided further, described information generating unit, specifically for: the direction information corresponding according to described target object of reference, described direction change location and the range information between the current location of described client place terminal and described direction change location, obtain described navigation information.
As can be seen from the above technical solutions, the embodiment of the present invention has following beneficial effect:
The embodiment of the present invention is by obtaining the guidance path of client place terminal, and then the target object of reference obtained for direction change location in guidance path, thus can according to target object of reference and direction information corresponding to direction change location, obtain navigation information, therefore, target object of reference is added in navigation information, compared with the navigation information provided with prior art, object of reference can be utilized to navigate, object of reference has location comparison to be fixed, high and the apparent feature of positional accuracy, therefore the navigation information comprising object of reference is utilized to navigate, the problem that cannot obtain navigation information in time and exactly only providing range information and direction information to bring in prior art can be avoided, thus can be timely, accurately, obtain the crossing in navigation information guided by direction information efficiently, the reliability of navigation efficiency and navigation information can be improved.
[accompanying drawing explanation]
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system schematic of the technical scheme use that the embodiment of the present invention provides;
Fig. 2 is the schematic flow sheet of the acquisition methods of the navigation information that the embodiment of the present invention provides;
Fig. 3 is the functional block diagram of the acquisition device of the navigation information that the embodiment of the present invention provides.
[embodiment]
Technical scheme for a better understanding of the present invention, is described in detail the embodiment of the present invention below in conjunction with accompanying drawing.
Should be clear and definite, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The term used in embodiments of the present invention is only for the object describing specific embodiment, and not intended to be limiting the present invention." one ", " described " and " being somebody's turn to do " of the singulative used in the embodiment of the present invention and appended claims is also intended to comprise most form, unless context clearly represents other implications.
Should be appreciated that term "and/or" used herein is only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or".
Depend on linguistic context, word as used in this " if " can be construed as into " ... time " or " when ... time " or " in response to determining " or " in response to detection ".Similarly, depend on linguistic context, phrase " if determination " or " if detecting (the conditioned disjunction event of statement) " can be construed as " when determining " or " in response to determining " or " when detecting (the conditioned disjunction event of statement) " or " in response to detection (the conditioned disjunction event of statement) ".
The system that the technical scheme that the embodiment of the present invention provides uses as shown in Figure 1, form primarily of client and server, the method and apparatus that the embodiment of the present invention provides realizes at server side, be mainly used in the guidance path by obtaining client place terminal, and then the target object of reference obtained for described direction change location, thus according to described target object of reference and direction information corresponding to described direction change location, obtain navigation information.
Understandable, described client can comprise the various applications client that can realize navigation feature, such as, and the client of the client of map application, the client of travel application or navigation application.Described client place terminal can comprise personal computer (Personal Computer, PC), notebook computer, mobile phone or panel computer.
The embodiment of the present invention provides a kind of acquisition methods of navigation information, please refer to Fig. 2, the schematic flow sheet of the acquisition methods of its navigation information provided for the embodiment of the present invention, and as shown in the figure, the method comprises the following steps:
S201, obtains the navigation route information of client place terminal, and described navigation route information comprises direction change location and direction information corresponding to described direction change location.
Concrete, the reference position that server can send according to client and destination locations, obtain the navigation route information of client place terminal.Wherein, described reference position and destination locations can input in the client for user.
Or, server can position operation to client place terminal, to obtain the current location of client place terminal, then server according to the current location of client place terminal and destination locations, can obtain the navigation route information of client place terminal.Wherein, described destination locations can input in the client for user.
Preferably, the navigation route information of client place terminal that server obtains can include but not limited to direction change location and direction information corresponding to described direction change location.
Understandable, direction change location refers to the position that the vehicle loading client place terminal needs to change travel direction.
Wherein, the direction information that direction change location is corresponding is used to indicate the travel direction of vehicle at change location place, direction of loading client place terminal.Such as, the direction information that direction change location is corresponding can include but not limited to, turn right, turn around or main road exports out and enters bypass.
S202, obtains the target object of reference for described direction change location.
Concrete, server is after the navigation route information obtaining client place terminal, and server needs the target object of reference obtained further for described direction change location.
Understandable, at least one direction change location can be comprised in the navigation route information of client place terminal, S202 and S203 can be performed for each direction change location, like this, just can obtain target object of reference for each direction change location, and obtain corresponding navigation information according to target object of reference further.
Illustrate, the method that server obtains for the target object of reference of described direction change location can comprise:
First, the positional information of server foundation M candidate's object of reference and described direction change location, obtain N number of candidate's object of reference from described M candidate's object of reference.
Wherein, M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M.
Then, if N equals 1, server can using described N number of candidate's object of reference directly as the described target object of reference for direction change location.If N is the integer being greater than 1 and being less than or equal to M, server needs, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, to select candidate's object of reference, using as the described target object of reference for direction change location.
Illustrate that the positional information of server foundation M candidate's object of reference and described direction change location select the method for N number of candidate's object of reference can comprise following two kinds from described M candidate's object of reference:
The first: first, server first determines destination path.
Server can obtain the destination path between the position of described client place terminal and described direction change location.Such as, server can at interval of certain time length, just obtains the current location of client place terminal, then obtain the path between the current location of this client place terminal and direction change location, using as destination path.
It should be noted that, this direction change location refers to a nearest direction change location of the current location of above-mentioned navigation route information middle distance client place terminal.
Or server also can obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location.Such as, for every paths, server can pre-set 5 and report positions, when client place terminal be about to certain arrival in destination path report position time, the path between this report position and direction change location can be obtained, using as destination path.
It should be noted that, this direction change location refers to a nearest direction change location of this report position of above-mentioned navigation route information middle distance.
Then, the positional information of server according to described M candidate's object of reference and the positional information of described destination path, select the described N number of candidate's object of reference be positioned on described destination path from described M candidate's object of reference.
Wherein, in navigational route database, be previously stored with the positional information of candidate's object of reference, when needs obtain target object of reference, the positional information of destination path can be utilized, from navigational route database, find the candidate's object of reference be positioned on this destination path.
In the embodiment of the present invention, candidate's object of reference can include but not limited to variously have significant facility, as traffic lights, direction board, dead end street, bridge, tunnel, crossing or buildings.Preferably, described traffic lights can include but not limited to traffic lights, pedestrian crosswalk signal lamp, lane signal lamp, direction instruction signal lamp, flashing, alarming signal lamp, road and railway plane intersection signal lamp and grade crossing signal lamp.
The second: server can according to the positional information of described M candidate's object of reference and direction change location, calculate the distance between each candidate's object of reference and direction change location, further, this distance and the distance threshold preset are compared, the distance obtained between the change location of direction is less than or equal to N number of candidate's object of reference of distance threshold.Understandable, the method for the N number of candidate's object of reference of this acquisition, is equivalent to, the candidate's object of reference near choice direction change location.
Illustrate, server, according to the attribute information of described N number of candidate's object of reference, selects the method for candidate's object of reference to comprise from described N number of candidate's object of reference:
Server, according at least one candidate type corresponding to described N number of candidate's object of reference, obtains the number of candidate's object of reference corresponding to each described candidate type.Then, the number of candidate's object of reference corresponding for each candidate type and the number thresholding preset compare by server, the further number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of this number thresholding, and using this candidate type as target type.And then server, according to the priority of candidate's object of reference each in N number of candidate's object of reference, obtains candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
Such as, the priority of candidate's object of reference can include but not limited to from high to low successively: dead end street, traffic lights, bridge, tunnel and crossing.
S203, according to described target object of reference and direction information corresponding to described direction change location, obtains navigation information.
Concrete, server, after acquisition target object of reference, according to this target object of reference and direction information corresponding to described direction change location, can obtain described navigation information.
Such as, described navigation information can be " turning left in traffic light intersection place, first, front ".
Or server also according to the range information between the current location of direction information corresponding to this target object of reference, described direction change location and client place terminal and described direction change location, can obtain described navigation information.That is, target object of reference can be added in the navigation information utilizing prior art to obtain.
Such as, described navigation information can be " turning left in front 500 place, first traffic light intersection place ".
In addition, server, can to navigation information described in client push after acquisition navigation information, so that described client carries out guidance operation according to the navigation information received from server.Such as, client can export described navigation information to user.Wherein, client can utilize at least one form in voice, text and image to export described navigation information to user, in order to provide navigation Service to user.
Such as, if select candidate's object of reference is traffic lights, then the number of the traffic lights on the destination path between statistics report position and direction change location, if the number of traffic lights equals 1, then obtain navigation information " front xx rice turns left at traffic light intersection "; If the number of traffic lights equals 2, then obtain navigation information " front xx rice turns left at second traffic light intersection "; If the number of traffic lights is greater than 2, then think that the number of these traffic lights is greater than number thresholding 2, traffic lights can not as target object of reference, then can continue to judge other candidate's objects of reference, or, utilize the implementation method of prior art to obtain navigation information " front xx rice turns left ".
Again such as, if the target object of reference obtained is dead end street, represents that change location place, direction is the end of current path, can not keep straight on again, then can obtain navigation information " front xx rice turns left at dead end street ".
Again such as, if the target object of reference obtained is bridge, and direction change location is under bridge, needs to turn, then can obtain navigation information " front xx rice, at bridge infralevoversion " under bridge or after having crossed bridge.
Again such as, if the target object of reference obtained is tunnel, behind a tunnel, need to turn at once, then can obtain navigation information " front xx rice turns left after crossing tunnel ".
Again such as, if the target object of reference obtained is crossing, when the path between report position and direction change location exists a crossing, then navigation information " front xx rice, turns left at next crossing " can be obtained.When the path between report position and direction change location exists two crossings, then can obtain navigation information " front xx rice turns left at second crossing ".
In addition, if there is not the target object of reference for direction change location, then according to the range information between the current location of direction information corresponding to described direction change location and client place terminal and described direction change location, described navigation information can be obtained.Such as, navigation information can be " front xx rice turns left ".
The embodiment of the present invention provides the device embodiment realizing each step and method in said method embodiment further.
Please refer to Fig. 3, the functional block diagram of the acquisition device of its navigation information provided for the embodiment of the present invention.As shown in the figure, this device comprises:
Path planning unit 30, for obtaining the navigation route information of client place terminal, described navigation route information comprises direction change location and direction information corresponding to described direction change location.
Object of reference acquiring unit 31, for obtaining the target object of reference for described direction change location.
Information generating unit 32, for according to described target object of reference and direction information corresponding to described direction change location, obtains navigation information.
Preferably, described object of reference acquiring unit 31, specifically for:
According to positional information and the described direction change location of M candidate's object of reference, from described M candidate's object of reference, obtain N number of candidate's object of reference; M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M;
Using described N number of candidate's object of reference as the described target object of reference for direction change location; Or, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, using as the described target object of reference for direction change location.
Preferably, the described positional information according to M candidate's object of reference and described direction change location, from described M candidate's object of reference, select N number of candidate's object of reference, be specially:
Obtain the destination path between the position of described client place terminal and described direction change location; Or, obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location;
According to the positional information of described M candidate's object of reference and the positional information of described destination path, from described M candidate's object of reference, select the described N number of candidate's object of reference be positioned on described destination path.
Preferably, the described positional information according to M candidate's object of reference and described direction change location, from described M candidate's object of reference, select N number of candidate's object of reference, be specially:
According to the positional information of described M candidate's object of reference, the distance obtained between the change location of described direction is less than or equal to N number of candidate's object of reference of default distance threshold.
Preferably, the described attribute information according to described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, be specially:
According at least one candidate type that described N number of candidate's object of reference is corresponding, obtain the number of candidate's object of reference corresponding to each described candidate type;
The number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of default number thresholding, using as target type;
According to the priority of described N number of candidate's object of reference, obtain candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
Preferably, described information generating unit 32, specifically for: the direction information corresponding according to described target object of reference, described direction change location and the range information between the current location of described client place terminal and described direction change location, obtain described navigation information.
Optionally, described device also comprises: information output unit 33, for navigation information described in described client push, so that described client carries out guidance operation according to described navigation information.
Because each unit in the present embodiment can perform the method shown in Fig. 2, the part that the present embodiment is not described in detail, can with reference to the related description to Fig. 2.
The technical scheme of the embodiment of the present invention has following beneficial effect:
The navigation information that in prior art, server is supplied to client comprises range information and direction information, but, can certain error be there is in the range information of estimation itself, also can there is certain error for the estimation of range information in user simultaneously, therefore causing cannot in time and obtain navigation information exactly, and the Reliability comparotive of navigation information is low.The embodiment of the present invention is by obtaining the guidance path of client place terminal, and then the target object of reference obtained for direction change location in guidance path, thus can according to target object of reference and direction information corresponding to direction change location, obtain navigation information, therefore, target object of reference is added in navigation information, compared with the navigation information provided with prior art, object of reference can be utilized to navigate, object of reference has location comparison to be fixed, high and the apparent feature of positional accuracy, therefore the navigation information comprising object of reference is utilized to navigate, the problem that cannot obtain navigation information in time and exactly only providing range information and direction information to bring in prior art can be avoided, thus can be timely, accurately, obtain the crossing in navigation information guided by direction information efficiently, the reliability of navigation efficiency and navigation information can be improved.
In addition, target object of reference is positioned on driving path, can not the notice of dispersion user, alleviates burden for users, improve drive safety.
Such as, for target object of reference for traffic lights, the beneficial effect that the embodiment of the present invention is brought is illustrated: there are two crossings in the path in 100 meters, distance client place terminal, wherein first crossing does not have traffic lights, there are traffic lights at second crossing, if utilize the technical scheme of prior art, navigation information " turning left in, 100 meters, front " will be obtained, when carrying out guidance operation according to this navigation information, user is just needed artificially to judge the length of 100 meters, then just can turn left, there is driving safety hidden danger in the notice of dispersion user.If utilize the technical scheme that the embodiment of the present invention provides, navigation information " 100 meters, front; turn left in traffic light " or " turning left in traffic light, first, front " will be obtained, carrying out guidance operation according to this navigation information, do not need the length judging 100 meters again, turns left in the traffic light that can be informed in time and exactly above, like this, only need to pay close attention to front and whether have traffic lights, the crossing of left-hand rotation can be found in time, accurately and efficiently, improve drive safety.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiment provided by the present invention, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, is only a kind of logic function and divides, and actual can have other dividing mode when realizing, such as, multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer installation (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. various can be program code stored medium.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (12)
1. an acquisition methods for navigation information, is characterized in that, described method comprises:
Obtain the navigation route information of client place terminal, described navigation route information comprises direction change location and direction information corresponding to described direction change location;
Obtain the target object of reference for described direction change location;
According to described target object of reference and direction information corresponding to described direction change location, obtain navigation information.
2. method according to claim 1, is characterized in that, described acquisition, for the target object of reference of described direction change location, comprising:
According to positional information and the described direction change location of M candidate's object of reference, from described M candidate's object of reference, obtain N number of candidate's object of reference; M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M;
Using described N number of candidate's object of reference as the described target object of reference for direction change location; Or, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, using as the described target object of reference for direction change location.
3. method according to claim 2, is characterized in that, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, comprising from described M candidate's object of reference:
Obtain the destination path between the position of described client place terminal and described direction change location; Or, obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location;
According to the positional information of described M candidate's object of reference and the positional information of described destination path, from described M candidate's object of reference, select the described N number of candidate's object of reference be positioned on described destination path.
4. according to the method in claim 2 or 3, it is characterized in that the described positional information according to M candidate's object of reference and described direction change location are selected N number of candidate's object of reference, being comprised from described M candidate's object of reference:
According to the positional information of described M candidate's object of reference, the distance obtained between the change location of described direction is less than or equal to N number of candidate's object of reference of default distance threshold.
5. method according to claim 2, is characterized in that, the described attribute information according to described N number of candidate's object of reference, selects candidate's object of reference, comprising from described N number of candidate's object of reference:
According at least one candidate type that described N number of candidate's object of reference is corresponding, obtain the number of candidate's object of reference corresponding to each described candidate type;
The number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of default number thresholding, using as target type;
According to the priority of described N number of candidate's object of reference, obtain candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
6. method according to claim 1, is characterized in that, described according to described target object of reference and direction information corresponding to described direction change location, obtains navigation information, comprising:
The direction information corresponding according to described target object of reference, described direction change location and the range information between the current location of described client place terminal and described direction change location, obtain described navigation information.
7. an acquisition device for navigation information, is characterized in that, described device comprises:
Path planning unit, for obtaining the navigation route information of client place terminal, described navigation route information comprises direction change location and direction information corresponding to described direction change location;
Object of reference acquiring unit, for obtaining the target object of reference for described direction change location;
Information generating unit, for according to described target object of reference and direction information corresponding to described direction change location, obtains navigation information.
8. device according to claim 7, is characterized in that, described object of reference acquiring unit, specifically for:
According to positional information and the described direction change location of M candidate's object of reference, from described M candidate's object of reference, obtain N number of candidate's object of reference; M be greater than or equal to 1 integer, N is the integer being greater than or equal to 1 and being less than or equal to M;
Using described N number of candidate's object of reference as the described target object of reference for direction change location; Or, according to the attribute information of described N number of candidate's object of reference, from described N number of candidate's object of reference, select candidate's object of reference, using as the described target object of reference for direction change location.
9. device according to claim 8, is characterized in that, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, be specially from described M candidate's object of reference:
Obtain the destination path between the position of described client place terminal and described direction change location; Or, obtain described client place terminal by the destination path between the predeterminated position arrived and described direction change location;
According to the positional information of described M candidate's object of reference and the positional information of described destination path, from described M candidate's object of reference, select the described N number of candidate's object of reference be positioned on described destination path.
10. device according to claim 8 or claim 9, is characterized in that, the described positional information according to M candidate's object of reference and described direction change location, selects N number of candidate's object of reference, be specially from described M candidate's object of reference:
According to the positional information of described M candidate's object of reference, the distance obtained between the change location of described direction is less than or equal to N number of candidate's object of reference of default distance threshold.
11. devices according to claim 8, is characterized in that, the described attribute information according to described N number of candidate's object of reference, select candidate's object of reference, be specially from described N number of candidate's object of reference:
According at least one candidate type that described N number of candidate's object of reference is corresponding, obtain the number of candidate's object of reference corresponding to each described candidate type;
The number obtaining corresponding candidate's object of reference is less than or equal to the candidate type of default number thresholding, using as target type;
According to the priority of described N number of candidate's object of reference, obtain candidate's object of reference that candidate's object of reference medium priority corresponding to described target type is the highest.
12. devices according to claim 7, is characterized in that, described information generating unit, specifically for:
The direction information corresponding according to described target object of reference, described direction change location and the range information between the current location of described client place terminal and described direction change location, obtain described navigation information.
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| CN201410547287.XA CN104280045A (en) | 2014-10-16 | 2014-10-16 | Method and device for acquiring navigation information |
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| CN201410547287.XA CN104280045A (en) | 2014-10-16 | 2014-10-16 | Method and device for acquiring navigation information |
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