CN105387857A - Navigation method and device - Google Patents
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- CN105387857A CN105387857A CN201510893243.7A CN201510893243A CN105387857A CN 105387857 A CN105387857 A CN 105387857A CN 201510893243 A CN201510893243 A CN 201510893243A CN 105387857 A CN105387857 A CN 105387857A
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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
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Abstract
The invention provides a navigation method and device. The navigation method comprises the following steps: receiving the information of a target location, receiving a two-dimension code comprising the coordinate of current location through scanning, decoding the two-dimensional code to obtain the coordinate of current location, setting the two-dimension code on the current location according to the predetermined direction; calculating the relative distance between the two-dimensional code and the display screen of a mobile terminal, when the mobile terminal is used to scan the two-dimensional code; according to the coordinate of current location and information of the target location, calculating the navigation route, which comprises a start direction; calculating the inclined angle between the start direction and the predetermined direction; and according to the inclined angle and the relative distance, and obtaining and displaying the forwarding direction. Compared with the conventional navigation method, the provided navigation method can precisely indicate the direction to a target location, people only need to set a two-dimensional code, no extra hardware equipment is required, and the cost is low therefore.
Description
Technical field
The present invention relates to field of navigation technology, in particular to a kind of air navigation aid and device.
Background technology
Navigation is the function that people often need to use in life, when people go to strange city or buildings, often needs the destination to thinking to navigate.
It is low to there is positioning precision in existing air navigation aid, can not identify the problems such as direction.Need to use mobile terminal built-in compass identification direction, and the compass of mobile terminal inside is easily interfered, and produces deviation.
Summary of the invention
In view of this, the invention provides a kind of air navigation aid, to improve the lower deficiency of existing air navigation aid navigation accuracy.
For achieving the above object, the invention provides following technical scheme:
A kind of air navigation aid, described method comprises: receiving target location information; Receive the Quick Response Code comprising current location coordinate obtained by scanning, carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction; Calculate the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code; According to coordinate and the described objective information of described current location, calculate the path of navigation, described path comprises starting direction; Calculate the angle between described starting direction and described predetermined direction; According to the angle between described starting direction and described predetermined direction and described Quick Response Code during the described Quick Response Code of scanning and the relative position of described mobile terminal display screen, obtain and show working direction.
Accordingly, present invention also offers a kind of guider, run on client terminal, comprising: objective receiver module, for receiving target location information; Quick Response Code scan module, for receiving the Quick Response Code comprising current location coordinate obtained by scanning, carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction; Relative position computing module, the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code for calculating; Path calculation module, for according to the coordinate of described current location and described objective information, calculate the path of navigation, described path comprises starting direction; Angle calcu-lation module, for calculating the angle between described starting direction and described predetermined direction; Display module, for the relative position according to described Quick Response Code when the angle between described starting direction and described predetermined direction and the described Quick Response Code of scanning and described mobile terminal display screen, obtains and shows working direction.
Air navigation aid provided by the invention and device, have following beneficial effect:
Air navigation aid provided by the invention and device, by obtaining Quick Response Code relative to the angle of starting direction and the mobile terminal anglec of rotation relative to described Quick Response Code, with described Quick Response Code for connecting medium, obtain the relative position relation of mobile terminal and starting direction, and by obtaining after calculating and showing the direction of advancing.Compared with existing air navigation aid, this method can accurately indicate the working direction will going to target location, and only need arrange Quick Response Code in the venue, lower to the improvement cost in place.
Accompanying drawing explanation
In order to the clearer explanation embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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.
Figure 1 shows that the structured flowchart of the user terminal that the embodiment of the present invention provides;
The process flow diagram of the air navigation aid that Fig. 2 provides for first embodiment of the invention;
The process flow diagram of the air navigation aid that Fig. 3 provides for second embodiment of the invention;
Fig. 4 is the scene application drawing of air navigation aid provided by the invention;
Fig. 5 is the structural representation of the guider that third embodiment of the invention provides;
Fig. 6 is the structural representation of the guider that fourth embodiment of the invention provides.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but only represent selected embodiment of the present invention.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
The air navigation aid that the embodiment of the present invention provides can run in user terminal 100 as shown in Figure 1.
User terminal 100 specifically can comprise smart mobile phone, panel computer, E-book reader, pocket computer on knee, car-mounted terminal, wearable device etc.The client of browser or various application (comprising system application and third-party application) can be installed in user terminal 100.
As shown in Figure 1, user terminal 100 comprises storer 102, memory controller 104, one or more (only illustrating one in figure) processor 106, Peripheral Interface 108, radio-frequency module 110, locating module 112, image capture module 114, audio-frequency module 116, Touch Screen 118 and key-press module 120.These assemblies are by one or more communication bus/signal wire 122 communication mutually.
Be appreciated that the structure shown in Fig. 1 is only signal, user terminal 100 also can comprise than assembly more or less shown in Fig. 1, or has the configuration different from shown in Fig. 1.Each assembly shown in Fig. 1 can adopt hardware, software or its combination to realize.
Storer 102 can be used for storing software program and module, as the air navigation aid in the embodiment of the present invention and programmed instruction/module corresponding to device, processor 106 is by running the software program and module that are stored in storer 102, thus perform the application of various function and data processing, as the air navigation aid that the embodiment of the present invention provides.
Storer 102 can comprise high speed random access memory, also can comprise nonvolatile memory, as one or more magnetic storage device, flash memory or other non-volatile solid state memories.In some instances, storer 102 can comprise the storer relative to the long-range setting of processor 106 further, and these remote memories can be connected to user terminal 100 by network.The example of above-mentioned network includes but not limited to internet, intranet, LAN (Local Area Network), mobile radio communication and combination thereof.Processor 106 and other possible assemblies can carry out the access of storer 102 under the control of memory controller 104.
Various input/output device is coupled to CPU and storer 102 by Peripheral Interface 108.Various softwares in processor 106 run memory 102, instruction are to perform the various function of user terminal 100 and to carry out data processing.
In certain embodiments, Peripheral Interface 108, processor 106 and memory controller 104 can realize in one single chip.In some other example, they can respectively by independently chip realization.
Radio-frequency module 110, for receiving and sending electromagnetic wave, realizes the mutual conversion of electromagnetic wave and electric signal, thus carries out communication with communication network or other equipment.
Locating module 112 is for obtaining the current location of user terminal 100.The example of locating module 112 includes but not limited to Global Positioning System (GPS) (GPS), location technology based on WLAN (wireless local area network) or mobile radio communication.
Image capture module 114 is for taking pictures or video.Photo or the video of shooting can be stored in storer 102, and send by radio-frequency module 110.In the present invention, image capture module 114 may be used for scanning and obtains described 2 D code information.
Audio-frequency module 116 provides audio interface to user, and it can comprise one or more microphone, one or more loudspeaker and voicefrequency circuit.
Touch Screen 118 provides one simultaneously and exports and inputting interface between user terminal 100 and user.Particularly, Touch Screen 118 exports to user's display video, and the content of these video frequency output can comprise word, figure, video and combination in any thereof.
Key-press module 120 provides user to carry out the interface inputted to user terminal 100 equally, and user can perform different functions by pressing different buttons to make user terminal 100.In the embodiment of the present invention, objective information can be inputted by described Touch Screen 118 or key-press module 120.
In inventive embodiments, in user terminal 100, client is installed, this client can be browser also can be third-party application software, hold corresponding with server (Server), for user provides local service, such as registering, navigates in input destination, and scanning Quick Response Code is also decoded etc.
Be the citing of a kind of applied environment of the embodiment of the present invention shown in Fig. 1, the specific embodiment of the present invention is not as limit.
Below in conjunction with accompanying drawing, the air navigation aid provide the embodiment of the present invention and device describe in detail.
Fig. 2 shows a kind of air navigation aid that first embodiment of the invention provides.Described air navigation aid can comprise the following steps S301 to S306.
Step S301, receiving target location information.
Receiving target location information, the objective information can wanted client terminal input is arranged, and can use text event detection, and also can pass through phonetic entry, it is limitation of the present invention that concrete input mode should not be construed.
Step S302, receives the Quick Response Code comprising current location coordinate obtained by scanning, and carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction.
Described Quick Response Code is arranged in place according to predetermined direction in advance, specifically can be arranged at ground or wall, and described Quick Response Code can comprise the location coordinates information of Quick Response Code position.Use Quick Response Code described in mobile scanning terminal, and after decoding, obtain the concrete coordinate of current location.
Step S303, calculates the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code.
While scanning Quick Response Code, obtain the relative position of Quick Response Code relative to the display screen of described mobile terminal, particularly, the line on two summits in four summits of described Quick Response Code and a frame of described mobile terminal display screen can be obtained, then obtain the relative position of Quick Response Code and display screen according to the frame of above-mentioned line and display screen.
Step S304, according to coordinate and the described objective information of described current location, calculate the path of navigation, described path comprises starting direction.
Particularly, according to the described objective information of input and the current location information that described Quick Response Code obtains can be scanned, and the map in place being stored in mobile terminal in advance obtains and goes to from current location the paths that objective will walk.This path can be specifically the paths determined according to the distribution of place Roads in Maps.Described path comprises starting direction, and starting direction can be specifically the direction of the close described objective in the path determined according to the distribution of place map road.
Step S305, calculates the angle between described starting direction and described predetermined direction.
According to the described predetermined direction that described starting direction and described Quick Response Code are arranged, calculate angle between the two.
Step S306, according to the angle between described starting direction and described predetermined direction and described Quick Response Code during the described Quick Response Code of scanning and the relative position of described mobile terminal display screen, obtains and shows working direction.
According to the angle of the predetermined direction of described starting direction and described Quick Response Code and Quick Response Code at the relative position of described mobile terminal display screen, the relation of described mobile terminal and described starting direction can be obtained, thus obtain and show the direction advanced.
This air navigation aid is by obtaining Quick Response Code relative to the angle of starting direction and the mobile terminal anglec of rotation relative to described Quick Response Code, with described Quick Response Code for connecting medium, obtain the relative position relation of mobile terminal and starting direction, and by obtaining after calculating and showing the direction of advancing, can accurately indicate the working direction will going to target location, and only Quick Response Code need be set in the venue, cost is lower.
A kind of air navigation aid that second embodiment of the invention shown in Fig. 3 provides.Described air navigation aid can comprise the following steps S401 to S410.
Step S401, storing map information and map label information, described map label information comprises the position of location information corresponding to described Quick Response Code and the setting of described Quick Response Code and described predetermined direction.
Before the described objective information of input, need first storing map information and map label information to described mobile terminal.Wherein, described map label information can comprise the position of location information corresponding to described Quick Response Code and the setting of described Quick Response Code and described predetermined direction.
Step S402, receiving target location information.
Step S403, receives the Quick Response Code comprising current location coordinate obtained by scanning, and carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction.
Step S404, calculates the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code.
Step S402 to S404 is identical with the corresponding step of the first embodiment, does not just repeat at this.
Step S405, when obtaining the described Quick Response Code of scanning, the position of four summits in described mobile terminal display screen of described Quick Response Code.
Particularly, a frame of four of the Quick Response Code of an acquisition summit and described mobile terminal display screen can be compared, obtain four summits of Quick Response Code and the relative position of mobile terminal display screen with this.
Step S406, according to the angle between the line on two summits in described four summits and a limit of described mobile terminal display screen, utilizes inverse cosine function to calculate the anglec of rotation of described mobile terminal relative to described Quick Response Code.
Particularly, a frame of the display screen of two summits and described mobile terminal above on four summits of described Quick Response Code can be got, and obtain the angle of the frame of the connection on described two summits and the display screen of described mobile terminal, then utilize inverse cosine function to calculate the described mobile terminal anglec of rotation concrete relative to described Quick Response Code.
Be appreciated that described mobile terminal here can be identical with the relative position implication of Quick Response Code described in the step S303 of the first embodiment and described mobile terminal display screen relative to the anglec of rotation of described Quick Response Code.
Be appreciated that, any two summits on four summits of described Quick Response Code can be got, the summit on the diagonal line on four summits of described Quick Response Code can be got, also can get other summit, which two in four summits in the described Quick Response Code specifically got should not be construed is limitation of the present invention.
Be appreciated that the display screen frame can getting described mobile terminal, also can get cornerwise line on four summits of the display screen of mobile terminal, it is restriction of the present invention that the choosing of the frame that described mobile terminal is concrete or line should not be construed.
Step S407, according to coordinate and the described objective information of described current location, calculate the path of navigation, described path comprises starting direction.
Step S408, calculates the angle between described starting direction and described predetermined direction.
Step S407 to S408 is identical with the corresponding step of the first embodiment, does not just repeat at this.
Step S409, according to the angle between described starting direction and the predetermined direction of described Quick Response Code and described mobile terminal relative to the anglec of rotation of described Quick Response Code, obtains the angle of described mobile terminal relative to described starting direction.
According to the angle between described starting direction and the predetermined direction of described Quick Response Code and described mobile terminal relative to the anglec of rotation of described Quick Response Code, with described Quick Response Code for intermediary, the angle of described mobile terminal and described starting direction can be obtained.
Step S410, according to the angle of described mobile terminal relative to described starting direction, generates and shows the indication information corresponding with described working direction.
After obtaining the angle of described mobile terminal relative to described starting direction, generate and show the indication information corresponding with described working direction and come the direction that reminding user walks.
Particularly, described indication information can be the arrow pointing to described working direction, also can be other indication information, as Word message etc.It is limitation of the present invention that the content of described concrete indication information should not be construed.
Refer to Fig. 4, Fig. 4 shows the scene application drawing of air navigation aid provided by the invention.
Suppose that user is for from departure place to destination as described in Figure, wherein, a is described starting direction, and b is the predetermined direction of described Quick Response Code, c be mobile terminal (for mobile phone in figure) specifically towards.Starting direction is the direction of the close described objective in the path determined according to the distribution of place map road.Because needs first to walk to the right in place, and then go ahead and can arrive at the destination, therefore when user is positioned at departure place as shown in the figure, starting direction is now the direction to the right as shown in a in figure.
Now, the predetermined direction of described Quick Response Code and the angle of described starting direction are 90 degree, and described starting direction to the right.According to the angle between the line on two summits in described four summits and a limit of described mobile terminal display screen, utilize inverse cosine function, the anglec of rotation of trying to achieve mobile terminal and described Quick Response Code is 45 degree, and described mobile terminal offsets described Quick Response Code 45 degree left.
According to the predetermined direction of Quick Response Code and the angle of described starting direction, namely offset 90 degree to the right; And the angle of the predetermined direction of described mobile terminal and described Quick Response Code, namely offset the angle that 45 degree obtain described mobile terminal and described starting direction left, namely 135 degree.
According to the angle of described mobile terminal and described starting direction, generate and show the indication information corresponding with described working direction, described working direction is in the display screen display of mobile terminal, this working direction is consistent with above-mentioned starting direction, and has the angle of 135 degree with mobile terminal; Namely the direction of arrow is on mobile terminals shown according to the angle adjustment of mobile terminal and starting direction.Thus can ensure no matter how described mobile terminal scans described Quick Response Code, and described arrow can point to the direction that will advance all the time.
Fig. 5 shows the guider that third embodiment of the invention provides.Described device 500 comprises:
Objective receiver module 510, for receiving target location information.
Quick Response Code scan module 520, for receiving the Quick Response Code comprising current location coordinate obtained by scanning, carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction.
Relative position computing module 530, the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code for calculating.
Path calculation module 540, for according to the coordinate of described current location and described objective information, calculate the path of navigation, described path comprises starting direction.
Angle calcu-lation module 550, for calculating the angle between described starting direction and described predetermined direction.
Display module 560, for the relative position according to described Quick Response Code when the angle between described starting direction and described predetermined direction and the described Quick Response Code of scanning and described mobile terminal display screen, obtains and shows working direction.
Fig. 6 shows the guider that fourth embodiment of the invention provides.Described device 60 comprises: objective receiver module 510, Quick Response Code scan module 520, relative position computing module 530, path calculation module 540, angle calcu-lation module 550, display module 560 and memory module 570.
Described relative position computing module 530 also comprises:
Summit obtains module 531, for when scanning described Quick Response Code, obtains the position of four summits in described mobile terminal display screen of described Quick Response Code.
Anglec of rotation computing module 532, for the position according to described four summits, calculates the anglec of rotation of described mobile terminal display screen relative to described Quick Response Code; Also for according to the angle between the line on two summits in described four summits and a limit of described mobile terminal display screen, inverse cosine function is utilized to calculate the anglec of rotation of described mobile terminal relative to described Quick Response Code.
Described display module 560 also comprises:
Angle obtains module 561, for according to the angle between described starting direction and the predetermined direction of described Quick Response Code and described mobile terminal relative to the anglec of rotation of described Quick Response Code, obtain the angle of described mobile terminal relative to described starting direction;
Indication information generation module 562, for according to the angle of described mobile terminal relative to described starting direction, generates and shows the indication information corresponding with described working direction.
Described memory module 570, for storing map information and map label information, described map label information comprises the position of location information corresponding to described Quick Response Code and the setting of described Quick Response Code and described predetermined direction.
The function of other modules except above-mentioned module is identical with the function of the respective modules in above-mentioned 3rd embodiment, does not just repeat at this.
Air navigation aid provided by the invention and device, by obtaining Quick Response Code relative to the angle of starting direction and the mobile terminal anglec of rotation relative to described Quick Response Code, with described Quick Response Code for connecting medium, obtain the relative position relation of mobile terminal and starting direction.And by obtaining after calculating and showing the direction of advancing.Compared with existing air navigation aid, this method can accurately indicate the working direction will going to target location.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, the program of being somebody's turn to do can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an air navigation aid, is characterized in that, for being realized the navigation to objective by mobile scanning terminal Quick Response Code, described method comprises:
Receiving target location information;
Receive the Quick Response Code comprising current location coordinate obtained by scanning, carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction;
Calculate the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code;
According to coordinate and the described objective information of described current location, calculate the path of navigation, described path comprises starting direction;
Calculate the angle between described starting direction and described predetermined direction;
According to the angle between described starting direction and described predetermined direction and described Quick Response Code during the described Quick Response Code of scanning and the relative position of described mobile terminal display screen, obtain and show working direction.
2. air navigation aid according to claim 1, is characterized in that, the described relative position calculating described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code, comprising:
When obtaining the described Quick Response Code of scanning, the position of four summits in described mobile terminal display screen of described Quick Response Code;
According to the position on described four summits, calculate the anglec of rotation of described mobile terminal display screen relative to described Quick Response Code.
3. air navigation aid according to claim 2, is characterized in that, described calculating mobile terminal, relative to the anglec of rotation of described Quick Response Code, comprising:
According to the angle between the line on two summits in described four summits and a limit of described mobile terminal display screen, inverse cosine function is utilized to calculate the anglec of rotation of described mobile terminal relative to described Quick Response Code.
4. air navigation aid according to claim 3, it is characterized in that, described according to the angle between described starting direction and described predetermined direction and described Quick Response Code during the described Quick Response Code of scanning and the relative position of described mobile terminal display screen, obtain and show working direction, comprising:
According to the angle between described starting direction and the predetermined direction of described Quick Response Code and described mobile terminal relative to the anglec of rotation of described Quick Response Code, obtain the angle of described mobile terminal relative to described starting direction;
According to the angle of described mobile terminal relative to described starting direction, generate and show the indication information corresponding with described working direction.
5. air navigation aid according to claim 4, is characterized in that, described indication information is the arrow pointing to described working direction.
6. air navigation aid according to claim 1, is characterized in that, before described input objective information, described method also comprises:
Storing map information and map label information, described map label information comprises the position of location information corresponding to described Quick Response Code and the setting of described Quick Response Code and described predetermined direction.
7. a guider, runs on client terminal, it is characterized in that, comprising:
Objective receiver module, for receiving target location information;
Quick Response Code scan module, for receiving the Quick Response Code comprising current location coordinate obtained by scanning, carrying out decoding to described Quick Response Code obtains the coordinate of described current location, and described Quick Response Code is arranged on described current location according to predetermined direction;
Relative position computing module, the relative position of described Quick Response Code and described mobile terminal display screen when scanning described Quick Response Code for calculating;
Path calculation module, for according to the coordinate of described current location and described objective information, calculate the path of navigation, described path comprises starting direction;
Angle calcu-lation module, for calculating the angle between described starting direction and described predetermined direction;
Display module, for the relative position according to described Quick Response Code when the angle between described starting direction and described predetermined direction and the described Quick Response Code of scanning and described mobile terminal display screen, obtains and shows working direction.
8. guider according to claim 7, is characterized in that, described relative position computing module also comprises:
Summit obtains module, for when scanning described Quick Response Code, obtains the position of four summits in described mobile terminal display screen of described Quick Response Code;
Anglec of rotation computing module, for the position according to described four summits, calculates the anglec of rotation of described mobile terminal display screen relative to described Quick Response Code.
9. guider according to claim 8, it is characterized in that, described anglec of rotation computing module also for according to the angle between the line on two summits in described four summits and a limit of described mobile terminal display screen, utilizes inverse cosine function to calculate the anglec of rotation of described mobile terminal relative to described Quick Response Code.
10. guider according to claim 7, is characterized in that, described display module also comprises,
Angle obtains module, for according to the angle between described starting direction and the predetermined direction of described Quick Response Code and described mobile terminal relative to the anglec of rotation of described Quick Response Code, obtain the angle of described mobile terminal relative to described starting direction;
Indication information generation module, for according to the angle of described mobile terminal relative to described starting direction, generates and shows the indication information corresponding with described working direction.
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| CN201510893243.7A CN105387857A (en) | 2015-12-08 | 2015-12-08 | Navigation method and device |
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| CN201510893243.7A CN105387857A (en) | 2015-12-08 | 2015-12-08 | Navigation method and device |
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| CN107205219A (en) * | 2016-03-16 | 2017-09-26 | 伊姆西公司 | Method and apparatus for positioning |
| CN107292363A (en) * | 2017-06-15 | 2017-10-24 | 北京小米移动软件有限公司 | A kind of object positioning method and system |
| CN108801259A (en) * | 2018-04-27 | 2018-11-13 | 北京邮电大学 | A kind of indoor navigation method, device and mobile terminal |
| CN110186452A (en) * | 2019-06-21 | 2019-08-30 | 深圳市联华盈科通讯技术有限公司 | Air navigation aid, device, computer equipment and its storage medium |
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