CN105509757B - A kind of guidance path automatic switching method and device - Google Patents
A kind of guidance path automatic switching method and device Download PDFInfo
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- CN105509757B CN105509757B CN201510868372.0A CN201510868372A CN105509757B CN 105509757 B CN105509757 B CN 105509757B CN 201510868372 A CN201510868372 A CN 201510868372A CN 105509757 B CN105509757 B CN 105509757B
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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
Abstract
The present invention provides guidance path automatic switching method and device, by comparing the difference of local guidance path and online guidance path, and determined whether to start online navigation according to the grade of difference, the advantages of taking into account local navigation and online navigation, both the correctness of guidance path had been ensure that, network traffic data is saved again, improves user experience.
Description
Technical field
The present invention relates to vehicle mounted guidance technical field more particularly to a kind of guidance path automatic switching methods and device.
Background technique
With the development of network technology, the especially release of 3G/4G network, network speed is enabled to be competent at capacity larger
Data transmission, thereby produce online navigation.Relative to traditional local navigation, online navigation has route accuracy
High, local side navigation system, cost is relatively low advantage, still, the shortcomings that online navigation, is to need to expend more network number
According to flow, for the user less for network traffic data, it is worth without too big actual use.And it locally navigates due to leading
Boat map be it is offline, without expending network traffic data, therefore cost of navigating is almost nil, but this navigation also has and lacks
Point, i.e., navigation map is not usually newest, when road changes, cannot correctly navigate, user experience is bad.Therefore,
The prior art requires further improvement.
Summary of the invention
The present invention provides a kind of guidance path automatic switching method and device, it is intended to defect in the prior art is solved, it is real
The advantages of now taking into account local navigation and online navigation, improves user experience.
In order to achieve the above objectives, the technical solution used in the present invention are as follows:
One aspect of the present invention provides a kind of guidance path automatic switching method, comprising:
S10. the local guidance path from current location to destination is calculated, and uploads the local guidance path to online
Navigation server；
S30. the online navigation server calculates the online guidance path from current location to destination, and described in comparison
Local guidance path and the online guidance path both judge with the presence or absence of difference, when a discrepancy exists, into next step,
Otherwise the errorless message of navigation routine is returned；
S70. local guidance path first of circuit node that the last one is overlapped with the online guidance path is determined
And the second circuit node being overlapped again, and by first of circuit node, the second circuit node and first road
Online guidance path between node, the second circuit node is sent to local navigation system；
S80. when the distance that current location reaches first of circuit node is less than preset threshold K1, local navigation system
Guidance path is switched into online guidance path；
S90. when the distance that the second circuit node is crossed in current location is greater than preset threshold K2, local navigation system
Guidance path is switched into local guidance path.
Specifically, the preset threshold K1=100~1000m, it is preferable that K1=500m.
Specifically, the preset threshold K2=0~500m, it is preferable that K1=250m.
Further, after the step S10 further include:
S20., the preset value S of distance difference is setth, and upload to online navigation server；
Include: after the step S30
S40. judge the difference grade of the local guidance path and the online guidance path；
S50. when the difference grade be the first estate, enter step S60；When the difference grade be the second grade, into
Enter step S70；
S60. judge whether the distance difference of the local guidance path and the online guidance path is greater than preset value Sth,
It is to enter step S70, otherwise returns to the errorless message of navigation routine.
Specifically, described the first estate is can arrive at the destination by local guidance path, but online guidance path
Apart from shorter；Second grade is that cannot be arrived at the destination by local guidance path.
Another aspect of the present invention provides a kind of guidance path automatic switchover system, including local navigation system, online navigation
Server；The local navigation system include: locating module, local navigation map module, guidance path computing module, in data
Transmission module, online navigation data receiving module, online navigation data parsing module, guidance path switching module；
The locating module, for obtaining current location；
The local navigation map module, for storing the digital navigation map of local navigation system；
The guidance path computing module, for calculating guidance path according to departure place, destination；
The data uploading module, for data needed for uploading navigation；
The online navigation data receiving module, for receive online navigation data that online navigation server is sent or
Message；
The online navigation data parsing module, for parse online navigation data that online navigation server is sent or
Message；
The guidance path switching module, for switching between local guidance path and online guidance path；
The guidance path computing module includes: that coincidence point preserving module, navigation routine redraw module；
The coincidence point preserving module, the coincidence point information parsed for saving online navigation data parsing module,
The coincidence point information is local guidance path first of circuit node that the last one is overlapped with the online guidance path
And the second circuit node being overlapped again；
The navigation routine update module is used for according to coincidence point information and online navigation map, with updating Present navigation
Figure；
The online navigation server includes: data reception module, local guidance path extraction module, online guidance path
Computing module, guidance path comparison module, online navigation data sending module；
Data reception module, for data needed for receiving the navigation that local navigation system uploads；
The local guidance path extraction module, for being extracted from data needed for the navigation that local navigation system uploads
Local guidance path；
The online guidance path computing module, for leading according to the departure place of local guidance path, destination and online
Navigate map calculation guidance path；
The guidance path comparison module, for comparing local guidance path and online guidance path；
The online navigation data sending module, for sending online guidance path to local navigation system.
Further, the guidance path automatic switchover system, further includes:
In the local navigation system, it is additionally provided with distance difference threshold setting module, for acceptable to be arranged
Distance difference threshold value；
In the online navigation server, it is additionally provided with distance difference threshold value extraction module, for extracting local navigation
The distance difference threshold value that system uploads；And difference grade judgment module, for judging that local guidance path is led online with described
The difference grade of bit path.
The beneficial effects of the present invention are: the present invention by comparing the difference of local guidance path and online guidance path,
And the advantages of being determined whether to start online navigation according to the grade of difference, taking into account local navigation and online navigation, both it ensure that
The correctness of guidance path, and network traffic data is saved, improve user experience.
Detailed description of the invention
Fig. 1 is local guidance path schematic diagram of the invention；
Fig. 2 is the schematic diagram of local guidance path of the invention compared with online guidance path；
Fig. 3 is another schematic diagram of local guidance path of the invention compared with online guidance path；
Fig. 4 is the structural schematic diagram that guidance path of the invention automatically switches；
Fig. 5 is another structural schematic diagram that guidance path of the invention automatically switches.
Specific embodiment
Specifically illustrate embodiments of the present invention with reference to the accompanying drawing, attached drawing is only for reference and illustrates use, does not constitute pair
The limitation of the invention patent protection scope.
As shown in Figure 1 to Figure 3, on the one hand the embodiment of the present invention provides a kind of guidance path automatic switching method, comprising:
S10. the local guidance path from current location to destination is calculated, and uploads the local guidance path to online
Navigation server；
Specifically, local navigation system calculates local navigation road by current location, destination, local navigation map automatically
Diameter, the local guidance path are made of path A1, A2, A3 ... An, and the local guidance path is uploaded to and is led online
It navigates on server.
S30. the online navigation server calculates the online guidance path from current location to destination, and described in comparison
Local guidance path and the online guidance path both judge with the presence or absence of difference, when a discrepancy exists, into next step,
Otherwise the errorless message of navigation routine is returned；
Specifically, the local guidance path that the online navigation server is uploaded according to local navigation extracts navigation and sets out
Ground and destination calculate online guidance path according to the online navigation map of line server, the online guidance path by
Path B1, B2, B3 ... Bn composition judges the two with the presence or absence of difference.
S70. local guidance path first of circuit node that the last one is overlapped with the online guidance path is determined
And the second circuit node being overlapped again, and by first of circuit node, the second circuit node and first road
Online guidance path between node, the second circuit node is sent to local navigation system；
S80. when the distance that current location reaches first of circuit node is less than preset threshold K1, local navigation system
Guidance path is switched into online guidance path；
Specifically, the preset threshold K1=100~1000m, it is preferable that K1=500m.
By the way that preset threshold K1 is arranged, guidance path can be switched into online navigation road by local navigation system in advance
Diameter, in order to avoid the opportunity of Reroute is led to miss due to GPS signal error or human error.
S90. when the distance that the second circuit node is crossed in current location is greater than preset threshold K2, local navigation system
Guidance path is switched into local guidance path.
Specifically, the preset threshold K2=0~500m, it is preferable that K1=250m.
By the way that preset threshold K2 is arranged, local navigation system can will be navigated road again after completing correct route and being overlapped
Diameter switches to local guidance path, guarantees the correctness of navigation routine.
In one embodiment of the invention, after the step S10 further include:
S20., the preset value S of distance difference is setth, and upload to online navigation server；
Include: after the step S30
S40. judge the difference grade of the local guidance path and the online guidance path；
S50. when the difference grade be the first estate, enter step S60；When the difference grade be the second grade, into
Enter step S70；
Specifically, described the first estate is can arrive at the destination by local guidance path, but online guidance path
Apart from shorter；
Second grade is that cannot be arrived at the destination by local guidance path.
S60. judge whether the distance difference of the local guidance path and the online guidance path is greater than preset value Sth,
It is to enter step S70, otherwise returns to the errorless message of navigation routine.
The preset value SthIt can be according to specifically needing to set, such as 10km.
As shown in Fig. 2, another aspect of the present invention provides a kind of guidance path automatic switchover system, including local navigation system
System, online navigation server；The local navigation system includes: locating module, local navigation map module, guidance path calculating
Module, data uploading module, online navigation data receiving module, online navigation data parsing module, guidance path switching module；
The locating module, for obtaining current location；
The local navigation map module, for storing the digital navigation map of local navigation system；
The guidance path computing module, for calculating guidance path according to departure place, destination；
The data uploading module, for data needed for uploading navigation；
The online navigation data receiving module, for receive online navigation data that online navigation server is sent or
Message；
The online navigation data parsing module, for parse online navigation data that online navigation server is sent or
Message；
The guidance path switching module, for switching between local guidance path and online guidance path；.
The guidance path computing module includes: that coincidence point preserving module, navigation routine redraw module；
The coincidence point preserving module, the coincidence point information parsed for saving online navigation data parsing module,
The coincidence point information is local guidance path first of circuit node that the last one is overlapped with the online guidance path
And the second circuit node being overlapped again；
The navigation routine update module is used for according to coincidence point information and online navigation map, with updating Present navigation
Figure.
The online navigation server includes: data reception module, local guidance path extraction module, online guidance path
Computing module, guidance path comparison module, online navigation data sending module；
Data reception module, for data needed for receiving the navigation that local navigation system uploads；
The local guidance path extraction module, for being extracted from data needed for the navigation that local navigation system uploads
Local guidance path；
The online guidance path computing module, for leading according to the departure place of local guidance path, destination and online
Navigate map calculation guidance path；
The guidance path comparison module, for comparing local guidance path and online guidance path；
The online navigation data sending module, for sending online guidance path to local navigation system.
The course of work of guidance path automatic switching control equipment of the invention are as follows:
Local navigation system determines current location, the mesh that guidance path computing module passes through user setting by locating module
The local map of navigation electronic that is stored according to local navigation map module of ground calculate local guidance path automatically, and pass through data
Uploading module simultaneously uploads to the local guidance path on online navigation server.
The data reception module of line server receives the data that local navigation system uploads, and is sent to local navigation road
Diameter extraction module extracts local guidance path, and navigation departure place and destination, then online guidance path computing module
Online guidance path, guidance path ratio are calculated according to the online navigation map of navigation departure place and destination, line server
The local guidance path more described compared with module and the online guidance path judge that the two with the presence or absence of difference, then determines in this way
The local guidance path first of circuit node that the last one is overlapped with the online guidance path and be overlapped again second
Road circuit node, and pass through online navigation data sending module for first of circuit node, second circuit node and the first road
Local navigation system is sent to after data are packaged in line guidance path between node, second circuit node.
The online navigation data receiving module of local navigation system receives the data packet that online navigation server is sent, and sends
It is parsed to online navigation data parsing module, the coincidence point preserving module in guidance path switching module saves described first
Road circuit node, second circuit node, when locating module judges that current location reaches the distance of first of circuit node less than pre-
If when threshold k 1, guidance path is switched to online guidance path by navigation routine update module；When locating module judges present bit
When setting the distance for crossing the second circuit node greater than preset threshold K2, guidance path is switched to local by local navigation system
Guidance path.
As shown in figure 3, in one embodiment of the invention, the guidance path automatic switchover system, further includes:
In the local navigation system, it is additionally provided with distance difference threshold setting module, for acceptable to be arranged
Distance difference threshold value；
In the online navigation server, it is additionally provided with distance difference threshold value extraction module, for extracting local navigation
The distance difference threshold value that system uploads；And difference grade judgment module, for judging that local guidance path is led online with described
The difference grade of bit path.
By the way that distance difference threshold setting module is arranged in the local navigation system, in the online navigation server
Middle setting distance difference threshold value extraction module, difference grade judgment module can arrive at the destination when by local guidance path,
The distance difference of judgement and online guidance path does not start online navigation number if distance difference is less than distance difference threshold value
According to downloading, flow is saved；, whereas if distance difference is greater than distance difference threshold value or cannot be reached by local guidance path
Destination then starts online navigation data downloading, achievees the purpose that correctly to navigate.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit rights protection model of the invention with this
It encloses, therefore according to equivalent variations made by scope of the present invention patent, is still within the scope of the present invention.
Claims (7)
1. a kind of guidance path automatic switching method characterized by comprising
S10. the local guidance path from current location to destination is calculated, and uploads the local guidance path to online navigation
Server；
S30. the online navigation server calculates the online guidance path from current location to destination, and the local
Guidance path and the online guidance path judge that the two whether there is difference, when a discrepancy exists, into next step, otherwise
Return to the errorless message of navigation routine；
S70. local guidance path first of circuit node that the last one is overlapped with the online guidance path and again is determined
The second circuit node of secondary coincidence, and by first of circuit node, the second circuit node and first of circuit node,
Online guidance path between the second circuit node is sent to local navigation system；
S80. when the distance that current location reaches first of circuit node is less than preset threshold K1, local navigation system will be led
Bit path switches to online guidance path；
S90. when the distance that the second circuit node is crossed in current location is greater than preset threshold K2, local navigation system will be led
Bit path switches to local guidance path.
2. guidance path automatic switching method according to claim 1, which is characterized in that after the step S10 also
Include:
S20., the preset value S of distance difference is setth, and upload to online navigation server；
Include: after the step S30
S40. judge the difference grade of the local guidance path and the online guidance path；
S50. when the difference grade be the first estate, enter step S60；When the difference grade is the second grade, into step
Rapid S70；
S60. judge whether the distance difference of the local guidance path and the online guidance path is greater than preset value Sth, it is then
S70 is entered step, the errorless message of navigation routine is otherwise returned.
3. guidance path automatic switching method according to claim 2, which is characterized in that described the first estate is to pass through this
Ground guidance path can arrive at the destination, but online guidance path is apart from shorter；Second grade is to pass through local navigation
Path cannot arrive at the destination.
4. guidance path automatic switching method according to claim 1 or 2, which is characterized in that the preset threshold K1=
100~1000m.
5. guidance path automatic switching method according to claim 1 or 2, which is characterized in that the preset threshold K2=0
~500m.
6. a kind of guidance path automatic switching control equipment characterized by comprising local navigation system, online navigation server；Institute
State local navigation system include: locating module, local navigation map module, guidance path computing module, data uploading module,
Line navigation data receiving module, online navigation data parsing module, guidance path switching module；
The locating module, for obtaining current location；
The local navigation map module, for storing the digital navigation map of local navigation system；
The guidance path computing module, for calculating guidance path according to departure place, destination；
The data uploading module, for data needed for uploading navigation；
The online navigation data receiving module, for receiving the online navigation data or disappear that online navigation server is sent
Breath；
The online navigation data parsing module, for parsing the online navigation data or disappear that online navigation server is sent
Breath；
The guidance path switching module determines that the last one is overlapped with the online guidance path for the local guidance path
First of circuit node and the second circuit node being overlapped again, and by first of circuit node, the second circuit node and
Online guidance path between first of circuit node, the second circuit node is sent to local navigation system；When current
When the distance that position reaches first of circuit node is less than preset threshold K1, local navigation system switches to guidance path
Line guidance path；When the distance that the second circuit node is crossed in current location is greater than preset threshold K2, local navigation system
Guidance path is switched into local guidance path；
The guidance path computing module includes: that coincidence point preserving module, navigation routine redraw module；
The coincidence point preserving module, the coincidence point information parsed for saving online navigation data parsing module are described
Coincidence point information is for local guidance path first of circuit node that the last one is overlapped with the online guidance path and again
The second circuit node of secondary coincidence；
The navigation routine update module, for updating Present navigation map according to coincidence point information and online navigation map；
The online navigation server includes: data reception module, local guidance path extraction module, the calculating of online guidance path
Module, guidance path comparison module, online navigation data sending module；
Data reception module, for data needed for receiving the navigation that local navigation system uploads；
The local guidance path extraction module, it is local for being extracted from data needed for the navigation that local navigation system uploads
Guidance path；
The online guidance path computing module, for according to the departure place of local guidance path, destination and online navigation ground
Figure calculates guidance path；
The guidance path comparison module, for comparing local guidance path and online guidance path；
The online navigation data sending module, for sending online guidance path to local navigation system.
7. guidance path automatic switching control equipment according to claim 6, which is characterized in that further include:
In the local navigation system, it is additionally provided with distance difference threshold setting module, for distance difference threshold value to be arranged；
In the online navigation server, it is additionally provided with distance difference threshold value extraction module, for extracting local navigation system
The distance difference threshold value of upload；And difference grade judgment module, for judging local guidance path and the online navigation road
The difference grade of diameter.
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| WO2018125848A1 (en) * | 2016-12-30 | 2018-07-05 | DeepMap Inc. | Route generation using high definition maps for autonomous vehicles |
| CN108627162B (en) * | 2017-03-21 | 2021-03-05 | 阿里巴巴（中国）有限公司 | Navigation route determining method and device |
| CN106918825A (en) * | 2017-03-31 | 2017-07-04 | 咪咕互动娱乐有限公司 | A kind of connecting method of track, client |
| CN109061698B (en) * | 2018-07-20 | 2021-06-08 | 深圳市泰比特科技有限公司 | Accurate navigation method and mobile terminal |
| CN109672508A (en) * | 2018-12-31 | 2019-04-23 | 叶春林 | It is intelligent to prevent automobile navigation suspension system |
| CN110471409B (en) * | 2019-07-11 | 2022-12-02 | 深圳市优必选科技股份有限公司 | Robot inspection method and device, computer readable storage medium and robot |
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