CN111272185A - Online and offline hybrid navigation method and device and related equipment - Google Patents
Online and offline hybrid navigation method and device and related equipment Download PDFInfo
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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
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/343—Calculating itineraries, i.e. routes leading from a starting point to a series of categorical destinations using a global route restraint, round trips, touristic trips
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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
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/3415—Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
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Abstract
The invention provides an online and offline hybrid navigation method, device and related equipment, wherein the method comprises the steps of determining a navigation request of a user according to a departure place and a destination; performing on-line route calculation by adopting an on-line navigation mode; acquiring data information of the online route calculation, and updating the data information of the online route calculation to the mobile navigation equipment; navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation; if the navigation request is monitored to be triggered again in the navigation process, the navigation mode adopted by the mobile navigation equipment is determined according to the network state of the mobile navigation equipment, and navigation is carried out through data information of on-line route calculation or off-line route calculation. The navigation is carried out according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation, the combined use of the on-line navigation data and the off-line navigation data is realized, the accurate optimized route is ensured, the navigation information can be more accurate, and the driving experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of geographic navigation, in particular to an online and offline hybrid navigation method, device and related equipment.
Background
With the wide application of mobile terminals such as smart phones and tablet computers and the rapid development of navigation and networks, navigation is closer to the life of people, more and more users are used to navigate through the mobile terminals when going out, and generally speaking, the mobile terminals default to networking online navigation; meanwhile, the navigation service provider also provides an offline navigation data packet for the user, so as to provide offline navigation for the user when the network condition of the mobile terminal is poor. The route calculation and guidance technology, which is one of the core technologies of the navigation software, and the off-line route calculation based on local calculation, etc., have the problems of relatively low route calculation speed, and inaccurate route calculation caused by the obsolescence of map data, etc., which are increasingly highlighted, and even influence the trip of users.
Disclosure of Invention
In view of the above problems, the present invention provides an online and offline hybrid navigation method, apparatus and related device that overcome or at least partially solve the above problems.
Specifically, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides an online and offline hybrid navigation method, including:
determining a navigation request of a user according to a departure place and a destination;
performing on-line route calculation by adopting an on-line navigation mode based on the navigation request of the user;
acquiring the data information of the on-line calculation route, and updating the data information of the on-line calculation route to mobile navigation equipment;
navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation;
and if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation.
In one embodiment, the re-triggering of the navigation request specifically includes:
acquiring a walking track of the mobile navigation equipment and a navigation route obtained by calculating the route on line or off line;
and when the walking track of the mobile navigation equipment deviates from the navigation route, re-triggering the navigation request.
In an embodiment, when the walking track of the mobile navigation device deviates from the navigation route, the re-triggering of the navigation request includes:
judging whether the walking track is overlapped with the navigation route or not, if not, judging whether the walking track is overlapped with the navigation route or not;
determining the position of the mobile navigation equipment with route deviation based on the walking track and the navigation route;
obtaining a deviation driving distance according to the current position of the mobile navigation equipment and the position where the route deviation occurs;
and when the deviation driving distance is larger than a set distance threshold value, determining that the mobile navigation equipment deviates from the navigation route, and re-triggering the navigation request.
In an embodiment, the determining, according to the network state of the mobile navigation device, a navigation mode adopted by the mobile navigation device specifically includes:
monitoring a network signal of the mobile navigation device;
if the intensity of the network signal is smaller than a preset intensity threshold value, and the duration reaches a preset first time threshold value;
and determining to adopt an offline navigation mode to perform offline route calculation, and performing navigation according to offline data information stored in the mobile navigation equipment.
In an embodiment, the determining, according to the network state of the mobile navigation device, a navigation mode adopted by the mobile navigation device specifically includes:
monitoring the network request feedback duration of the mobile navigation equipment on the online route calculation in the online navigation mode;
if the network request feedback time length reaches a preset second time length threshold value, switching the navigation mode of the mobile navigation equipment from the online navigation mode to an offline navigation mode;
and performing off-line route calculation by adopting an off-line navigation mode, and performing navigation according to off-line data information stored in the mobile navigation equipment.
In one embodiment, the acquired data information of the online computation route at least includes:
navigation route information and online guidance information.
In one embodiment, the navigation route information at least comprises a departure place, a path place and a destination; the online guiding information at least comprises guiding point information, predicted arrival time, remaining distance and traffic condition information.
In an embodiment, the updating the data information of the online route to the mobile navigation device specifically includes:
and converting the data information of the on-line calculation route according to a set data storage format, and updating the converted data information of the on-line calculation route to the mobile navigation equipment.
In a second aspect, an embodiment of the present invention provides an online/offline hybrid navigation device, including:
a navigation request determination module: the navigation request of the user is determined according to the departure place and the destination;
an acquisition module: the system comprises a mobile navigation device, a data processing device and a data processing device, wherein the mobile navigation device is used for acquiring data information of an online route calculation in an online navigation mode and updating the data information of the online route calculation to the mobile navigation device;
an online navigation module: the mobile navigation equipment is used for performing on-line route calculation in an on-line navigation mode based on the navigation request of the user and performing navigation according to off-line data information stored in the mobile navigation equipment and updated data information of the on-line route calculation;
a navigation mode confirmation module: if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment;
an off-line navigation module: and the mobile navigation equipment is used for performing off-line route calculation and navigating according to off-line data information stored in the mobile navigation equipment.
In a third aspect, an embodiment of the present invention provides a terminal device, including:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the online and offline hybrid navigation method provided by the embodiment of the invention.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
in the embodiment of the invention, firstly, a navigation request of a user is determined according to a departure place and a destination; then based on the navigation request of the user, adopting an online navigation mode to perform online route calculation, acquiring data information of the online route calculation, and updating the data information of the online route calculation to mobile navigation equipment; then, navigation is carried out according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation; and finally, if the navigation request is monitored to be triggered again in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation. As can be seen from the above description, in the embodiment of the present invention, the route is calculated online through the online navigation mode, so as to obtain the data information of the online calculated route, the data information of the online calculated route is updated to the mobile navigation device, and navigation can be performed according to the offline data information stored in the mobile navigation device and the updated data information of the online calculated route, so that the online navigation data and the offline navigation data are used in combination, it is further ensured that the calculated route is an optimized and accurate route, the navigation information can be more accurate, and thus the driving experience of the user is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of an online/offline hybrid navigation method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of re-triggering the navigation request according to an embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a case of determining a navigation mode adopted by the mobile navigation device according to a network status of the mobile navigation device according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of another situation that a navigation mode adopted by the mobile navigation device is determined according to a network state of the mobile navigation device according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an online/offline hybrid navigation apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In accordance with an embodiment of the present invention, there is provided an embodiment of an online and offline hybrid navigation method, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer-executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
In some optional embodiments, an online and offline hybrid navigation method is provided, as shown in fig. 1, which may include the following steps S11-S15:
s11: determining a navigation request of a user according to a departure place and a destination;
in this embodiment, the navigation request of the user is determined according to a departure place preset by the user or the current position and destination of the user, so as to obtain a navigation route meeting the requirement.
S12: performing on-line route calculation by adopting an on-line navigation mode based on the navigation request of the user;
in this embodiment, an online navigation mode is first used to perform online route calculation, and an online navigation route is obtained based on a departure place and a destination set by a user.
S13: acquiring the data information of the on-line calculation route, and updating the data information of the on-line calculation route to mobile navigation equipment;
in this embodiment, when the route calculation is completed, the data information of the route calculation is acquired, and after format conversion is performed on the data information, the data information is updated and stored in the mobile navigation device.
S14: navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation;
in this embodiment, the navigation is performed by using the combination of the online navigation data and the offline navigation data according to the offline data information pre-stored in the mobile navigation device and the data information of the online route calculated and stored in the mobile navigation device by updating, for example, according to the navigation route information in the data information of the online route calculated and the offline guidance information in the online guidance information and the offline navigation data.
S15: and if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation.
In this embodiment, if the navigation request is triggered again due to deviation from the route or a user request during the driving of the vehicle, the network state of the mobile navigation device is confirmed, the adopted navigation mode is further determined, and navigation is performed through data information of on-line route calculation or off-line route calculation.
In the embodiment, firstly, a navigation request of a user is determined according to a departure place and a destination, an online navigation mode is adopted for online route calculation, data information of the online route calculation is obtained, and the data information of the online route calculation is updated to the mobile navigation equipment; navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation; and confirming the adopted navigation mode until detecting that the navigation request is triggered again, and navigating the mobile navigation equipment through the data information of the online route calculation or the offline route calculation. As can be seen from the above description, in the embodiment of the present invention, the navigation is performed according to the offline data information stored in the mobile navigation device and the updated data information of the online route calculation, so that the online navigation data and the offline navigation data are used in combination, the calculated route is further ensured to be an optimized and accurate route, the navigation information can be more accurate, and the driving experience of the user is improved.
In this embodiment, when the route calculation request is successful, the server determines route information and guidance information according to the request, and the terminal obtains the route information and the guidance information from the server, performs parsing and data format conversion at the terminal, performs route matching according to GPS positioning, the route information, the guidance information, and the like, and can start guidance and display. The data issued by the server mainly comprises route information data: a set of points of the route description, such as a large set of points of origin, approach, destination, etc.; guidance information data: the route calculation method includes data of the guidance point, residual information, predicted arrival time, traffic condition information and the like, not only is the route calculation accurate, but also traffic information is considered in the data information. The method and the device automatically determine whether to use the online route calculation or the offline route calculation according to available resources in the route calculation request, and start a corresponding data process and a corresponding guiding process, so that the complicated user operation caused by depending on a single online route calculation or offline route calculation can be avoided, the route planning speed and the route accuracy are improved, and the user experience is improved.
In this embodiment, the re-triggering of the navigation request, as shown in fig. 2, specifically includes the following steps S151 to S155:
s151: acquiring a walking track of the mobile navigation equipment and a navigation route obtained by calculating the route on line or off line;
s152: judging whether the walking track is overlapped with the navigation route, if so, returning to execute S151, and if not, executing S153;
s153: determining the position of the mobile navigation equipment with route deviation based on the walking track and the navigation route;
s154: obtaining a deviation driving distance according to the current position of the mobile navigation equipment and the position where the route deviation occurs;
s155: and when the deviation driving distance is larger than a set distance threshold value, determining that the mobile navigation equipment deviates from the navigation route, and re-triggering the navigation request.
In this embodiment, for example, specifically, the starting location of the mobile navigation device is a, the destination location is B, when the on-line or off-line route calculation is completed, an on-line or off-line navigation route AB is obtained, whether the walking track coincides with the on-line or off-line navigation route is determined by matching the walking track of the mobile navigation device obtained in real time with the on-line or off-line navigation route AB, when the walking track and the on-line or off-line navigation route AB cannot coincide with each other, a point where the walking track and the on-line or off-line navigation route AB diverge is obtained based on the walking track, a location C where the route of the mobile navigation device deviates is obtained, a deviation driving distance CD of the mobile navigation device is obtained according to a current location D of the mobile navigation device, the deviation driving distance CD is compared with a set distance threshold, and when the deviation driving distance CD is greater than, and judging that the mobile navigation equipment deviates a distance from the online or offline navigation route AB, and re-triggering the navigation request if the mobile navigation equipment deviates from the online or offline navigation route AB.
In this embodiment, the vehicle deviation is taken as an example for simple explanation, when the road calculation is completed, the on-line navigation route is obtained according to the on-line road calculation, or when the off-line navigation route is obtained according to the off-line calculation route, the vehicle runs according to the on-line or off-line navigation route, i.e., the trajectory traveled by the vehicle matches and coincides with the online or offline navigation route, the vehicle is considered to travel along the matching route, and when the trajectory traveled by the vehicle does not coincide with the route, that is, the relationship between the vehicle and the navigation route is separated, the vehicle can not match the route, and when the distance from the position of the vehicle which generates the route deviation to the current position of the vehicle reaches the set distance threshold value, the current navigation route is judged not to have the actual guiding significance, i.e. a route failure, a new route needs to be re-planned for a practically meaningful guidance, i.e. re-routing, re-triggering a route calculation request.
In this embodiment, the determining the navigation mode adopted by the mobile navigation device according to the network state of the mobile navigation device, as shown in fig. 3, specifically includes the following steps S21-S23:
s21: monitoring a network signal of the mobile navigation device;
s22: if the intensity of the network signal is smaller than a preset intensity threshold value, and the duration reaches a preset first time threshold value;
s23: and determining to adopt an offline navigation mode to perform offline route calculation, and performing navigation according to offline data information stored in the mobile navigation equipment.
In this embodiment, the adopted navigation mode is determined according to the strength of the network signal of the mobile navigation device, when the strength of the network signal is less than a predetermined strength threshold and the duration reaches a preset first duration threshold, it is determined that the offline navigation mode is adopted for offline route calculation, and the mobile navigation device performs route matching, guiding and displaying according to GPS positioning, route information and guiding information pre-stored in offline data information of the mobile navigation device.
In this embodiment, the determining the navigation mode adopted by the mobile navigation device according to the network state of the mobile navigation device, as shown in fig. 4, specifically includes the following steps S31-S33:
s31: monitoring the network request feedback duration of the mobile navigation equipment on the online route calculation in the online navigation mode;
s32: if the network request feedback time length reaches a preset second time length threshold value, switching the navigation mode of the mobile navigation equipment from the online navigation mode to an offline navigation mode;
s33: and performing off-line route calculation by adopting an off-line navigation mode, and performing navigation according to off-line data information stored in the mobile navigation equipment.
In this embodiment, in the online navigation mode, network request feedback time of the mobile navigation device for calculating a route online is monitored, the navigation mode used is determined according to the network request feedback time, when the network request feedback time reaches a preset second time threshold, it is determined that the offline navigation mode is used for calculating a route offline, and the mobile navigation device performs route matching, guidance and display according to GPS positioning, route information and guidance information pre-stored in offline data information of the mobile navigation device.
In this embodiment, the obtained data information on the calculation route at least includes: navigation route information and online guidance information; and specifically, the navigation route information at least comprises a departure place, a path place and a destination; the online guiding information at least comprises guiding point information, predicted arrival time, remaining distance and traffic condition information.
In this embodiment, the updating the data information of the online route to the mobile navigation device specifically includes:
and converting the data information of the on-line calculation route according to a set data storage format, and updating the converted data information of the on-line calculation route to the mobile navigation equipment.
In a second aspect, an embodiment of the present invention provides an online/offline hybrid navigation device, as shown in fig. 5, including:
the navigation request determination module 41: the navigation request of the user is determined according to the departure place and the destination;
the acquisition module 42: the system comprises a mobile navigation device, a data processing device and a data processing device, wherein the mobile navigation device is used for acquiring data information of an online route calculation in an online navigation mode and updating the data information of the online route calculation to the mobile navigation device;
the online navigation module 43: the mobile navigation equipment is used for performing on-line route calculation in an on-line navigation mode based on the navigation request of the user and performing navigation according to off-line data information stored in the mobile navigation equipment and updated data information of the on-line route calculation;
navigation mode confirmation module 44: if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment;
the offline navigation module 45: and the mobile navigation equipment is used for performing off-line route calculation and navigating according to off-line data information stored in the mobile navigation equipment.
In the present embodiment, the navigation request of the user is determined by the navigation request determining module 41; then, the online navigation module 43 performs online route calculation in an online navigation mode based on the navigation request of the user, and the acquisition module 42 is used for acquiring data information of the online route calculation in the online navigation mode and updating the data information of the online route calculation to the mobile navigation device; the online navigation module 43 also performs navigation according to the offline data information stored in the mobile navigation device and the updated data information of the online route calculation; when monitoring that the navigation request is re-triggered, the navigation mode determination module 44 determines the navigation mode adopted by the mobile navigation device according to the network state of the mobile navigation device, and the offline navigation module 45 is used for performing offline route calculation and performing navigation according to offline data information stored in the mobile navigation device. As can be seen from the above description, in the embodiment of the present invention, the navigation is performed according to the offline data information stored in the mobile navigation device and the updated data information of the online route calculation, so that the online navigation data and the offline navigation data are used in combination, the calculated route is further ensured to be an optimized and accurate route, the navigation information can be more accurate, and the driving experience of the user is improved.
In a third aspect, a third embodiment of the present invention provides a terminal device, and as shown in fig. 6, a schematic structural diagram of the terminal device includes:
one or more processors 51 and storage 52; the number of the processors 51 in the terminal device may be one or more, and one processor 51 is taken as an example in fig. 6; storage 52 is used to store one or more programs; the one or more programs are executed by the one or more processors 51, so that the one or more processors 51 implement the online and offline hybrid navigation method according to any one of the embodiments of the present invention.
The terminal device may further include: an input device 53 and an output device 54.
The processor 51, the storage device 52, the input device 53 and the output device 54 in the terminal equipment may be connected by a bus or other means, and the connection by the bus is exemplified in fig. 6.
The storage device 52 in the terminal device serves as a computer-readable storage medium, and can be used to store one or more programs, which may be software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the online and offline hybrid navigation method provided in the embodiment of the present invention (for example, the modules in the online and offline hybrid navigation device shown in fig. 5 include the determining module 41, the online route calculating module 42, the monitoring module 43, the obtaining module 44, and the offline route calculating module 45). The processor 51 executes various functional applications and data processing of the terminal device by running software programs, instructions and modules stored in the storage device 52, that is, the online and offline hybrid navigation method in the above method embodiment is implemented.
The storage device 52 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the storage 52 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the storage 52 may further include memory located remotely from the processor 51, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 53 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal device. The output device 54 may include a display device such as a display screen.
And, when the one or more programs included in the above-mentioned terminal device are executed by the one or more processors 51, the programs perform the following operations:
determining a navigation request of a user according to a departure place and a destination;
performing on-line route calculation by adopting an on-line navigation mode based on the navigation request of the user;
acquiring the data information of the on-line calculation route, and updating the data information of the on-line calculation route to mobile navigation equipment;
navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation;
and if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement an online/offline hybrid navigation method provided by an embodiment of the present invention, where the method includes:
determining a navigation request of a user according to a departure place and a destination;
performing on-line route calculation by adopting an on-line navigation mode based on the navigation request of the user;
acquiring the data information of the on-line calculation route, and updating the data information of the on-line calculation route to mobile navigation equipment;
navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation;
and if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation.
Optionally, the program, when executed by the processor, may be further configured to perform the online/offline hybrid navigation method according to any embodiment of the present invention.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a flash Memory, an optical fiber, a portable CD-ROM, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. A computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take a variety of forms, including, but not limited to: an electromagnetic signal, an optical signal, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, Radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An online and offline hybrid navigation method is characterized by comprising the following steps:
determining a navigation request of a user according to a departure place and a destination;
performing on-line route calculation by adopting an on-line navigation mode based on the navigation request of the user;
acquiring the data information of the on-line calculation route, and updating the data information of the on-line calculation route to mobile navigation equipment;
navigating according to the off-line data information stored in the mobile navigation equipment and the updated data information of the on-line route calculation;
and if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment, and navigating the mobile navigation equipment through the data information of on-line route calculation or off-line route calculation.
2. The method according to claim 1, wherein the re-triggering of the navigation request specifically comprises:
acquiring a walking track of the mobile navigation equipment and a navigation route obtained by calculating the route on line or off line;
and when the walking track of the mobile navigation equipment deviates from the navigation route, re-triggering the navigation request.
3. The method according to claim 2, wherein when the trajectory of the mobile navigation device deviates from the navigation route, the navigation request is re-triggered by:
judging whether the walking track is overlapped with the navigation route or not, if not, judging whether the walking track is overlapped with the navigation route or not;
determining the position of the mobile navigation equipment with route deviation based on the walking track and the navigation route;
obtaining a deviation driving distance according to the current position of the mobile navigation equipment and the position where the route deviation occurs;
and when the deviation driving distance is larger than a set distance threshold value, determining that the mobile navigation equipment deviates from the navigation route, and re-triggering the navigation request.
4. The method according to claim 1, wherein the determining the navigation mode adopted by the mobile navigation device according to the network state of the mobile navigation device specifically comprises:
monitoring a network signal of the mobile navigation device;
if the intensity of the network signal is smaller than a preset intensity threshold value, and the duration reaches a preset first time threshold value;
and determining to adopt an offline navigation mode to perform offline route calculation, and performing navigation according to offline data information stored in the mobile navigation equipment.
5. The method according to claim 1, wherein the determining the navigation mode adopted by the mobile navigation device according to the network state of the mobile navigation device specifically comprises:
monitoring the network request feedback duration of the mobile navigation equipment on the online route calculation in the online navigation mode;
if the network request feedback time length reaches a preset second time length threshold value, switching the navigation mode of the mobile navigation equipment from the online navigation mode to an offline navigation mode;
and performing off-line route calculation by adopting an off-line navigation mode, and performing navigation according to off-line data information stored in the mobile navigation equipment.
6. The method of claim 1, wherein the obtained data information of the online computing line at least comprises:
navigation route information and online guidance information.
7. The method of claim 6,
the navigation route information at least comprises a departure place, a path place and a destination;
the online guiding information at least comprises guiding point information, predicted arrival time, remaining distance and traffic condition information.
8. The method according to claim 1, wherein the updating the data information of the online route to the mobile navigation device specifically comprises:
and converting the data information of the on-line calculation route according to a set data storage format, and updating the converted data information of the on-line calculation route to the mobile navigation equipment.
9. An online and offline hybrid navigation device, comprising:
a navigation request determination module: the navigation request of the user is determined according to the departure place and the destination;
an acquisition module: the system comprises a mobile navigation device, a data processing device and a data processing device, wherein the mobile navigation device is used for acquiring data information of an online route calculation in an online navigation mode and updating the data information of the online route calculation to the mobile navigation device;
an online navigation module: the mobile navigation equipment is used for performing on-line route calculation in an on-line navigation mode based on the navigation request of the user and performing navigation according to off-line data information stored in the mobile navigation equipment and updated data information of the on-line route calculation;
a navigation mode confirmation module: if the navigation request is monitored to be re-triggered in the navigation process, determining the navigation mode adopted by the mobile navigation equipment according to the network state of the mobile navigation equipment;
an off-line navigation module: and the mobile navigation equipment is used for performing off-line route calculation and navigating according to off-line data information stored in the mobile navigation equipment.
10. A terminal device, comprising:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the online-offline hybrid navigation method of any of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811475772.5A CN111272185A (en) | 2018-12-04 | 2018-12-04 | Online and offline hybrid navigation method and device and related equipment |
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| CN201811475772.5A CN111272185A (en) | 2018-12-04 | 2018-12-04 | Online and offline hybrid navigation method and device and related equipment |
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| CN111272185A true CN111272185A (en) | 2020-06-12 |
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Application publication date: 20200612 |