CN106197438A - A kind of method of map data update, device and server - Google Patents
A kind of method of map data update, device and server Download PDFInfo
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- CN106197438A CN106197438A CN201510232272.9A CN201510232272A CN106197438A CN 106197438 A CN106197438 A CN 106197438A CN 201510232272 A CN201510232272 A CN 201510232272A CN 106197438 A CN106197438 A CN 106197438A
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Abstract
The invention provides a kind of method of map data update, device and server, wherein, the method for map rejuvenation includes: receive the first map datum more newly requested that terminal sends, described more newly requested in carry the version information of the first map datum；According to described version information, search first map datum corresponding with described version information；The second corresponding with latest edition for described first map datum map datum is carried out Difference Calculation, and differential data Difference Calculation obtained sends to terminal, so that described first map datum is updated by terminal.Present invention saves the network traffics that map data update is used, and decrease the time of map data update.
Description
Technical field
The present invention relates to the data update method of map of navigation electronic, especially relate to a kind of map data update
Method, device and server.
Background technology
At present, along with increasing of people's trip, the application of map of navigation electronic the most gradually increases.Navigation through electronic
Map is applied to the various user terminals such as mobile phone terminal, navigation terminal, personal computer terminal, these terminals more
Based on the communication network such as the Internet, mobile base station.User can carry out circuit according to the map in these terminals
Planning.When road occurs finishing, map datum is carried out by the map datum figure chamber of commerce according to new roading
Update.Therefore, user, in order to avoid using outmoded data to carry out the planning of route, position and retrieve, uses
Family needs to be updated map datum already present in terminal in time.
Mostly the method for map rejuvenation is to re-download new map version at present, and can not a downloading map data
The part updated, can not be updated across map version, and so data volume owing to downloading is too big, uses
Flow is more, not only wastes the substantial amounts of network traffics of user, and wastes user and update the time of map,
Trip for user brings inconvenience.
Summary of the invention
In order to save the network traffics that map data update is used, and reduce the time of map data update,
The invention provides a kind of method of map data update, device and server.
In order to solve above-mentioned technical problem, a kind of method that the invention provides map data update, wherein,
Described method includes:
Receive the first map datum more newly requested that terminal sends, described more newly requested in carry the first ground
The version information of diagram data；
According to described version information, search first map datum corresponding with described version information；
The second corresponding with latest edition for described first map datum map datum is carried out Difference Calculation, will be poor
Calculated differential data is divided to send to terminal, so that described first map datum is updated by terminal.
Optionally, described more newly requested in also include: vehicle information, system version information, versions of data believe
Breath, the location information of transmission request, destination information.
Optionally, described by poor for the second corresponding with latest edition for described first map datum map datum
Dividing and calculate, differential data Difference Calculation obtained sent before terminal, and described method also includes: judge
Described first map datum and described second map datum had carried out Difference Calculation, if having carried out
Cross Difference Calculation, then differential data Difference Calculation obtained sends to terminal；If not carrying out difference meter
Calculate, then enter and described the second corresponding with latest edition for described first map datum map datum is carried out difference
Calculating, differential data Difference Calculation obtained sends the step to terminal.
Optionally, described by poor for the second corresponding with latest edition for described first map datum map datum
Divide and calculate, specifically include: described first map datum and described second map datum are carried out space difference meter
Calculating, wherein, the project of described space Difference Calculation includes: the deletion of road, increases newly, interrupt, revise shape
At least one in shape point and amendment terminal；Described first map datum is entered with described second map datum
Row attribute Difference Calculation, wherein, the project of described attribute Difference Calculation includes: the title of road, species and
At least one in grade.
Optionally, described by poor for the second corresponding with latest edition for described first map datum map datum
Dividing and calculate, differential data Difference Calculation obtained sends to terminal, specifically includes: arrange described difference meter
The priority calculated, wherein, the departure place of described terminal, approach place and destination Difference Calculation excellent
First level is higher than the priority of other place Difference Calculation；According to the priority of described Difference Calculation, to described
One map datum and described second map datum carry out Difference Calculation, obtain differential data；According to described difference
The priority calculated, sends described differential data to terminal in batches.
According to another aspect of the present invention, present invention also offers the device of a kind of map data update, institute
State device to include:
Receiver module, for receiving the more newly requested of the first map datum of terminal transmission, described more newly requested
In carry the version information of the first map datum；
Search module, for according to described version information, search first map corresponding with described version information
Data；
Computing module, for carrying out the second corresponding with latest edition for described first map datum map datum
Difference Calculation, differential data Difference Calculation obtained sends to terminal, so that terminal is to described first map
Data are updated.
Optionally, described receiver module receive more newly requested in also include: vehicle information, system version believe
Breath, data version information, the location information of transmission request, destination information.
Optionally, described device also includes judge module, is used for judging described first map datum and described the
Two map datums had carried out Difference Calculation, if having carried out Difference Calculation, then by Difference Calculation
The differential data obtained sends to terminal；If not carrying out Difference Calculation, then trigger computing module.
Optionally, described computing module is further used for, by described first map datum and described second map
Data carry out space Difference Calculation, and wherein, the project of described space Difference Calculation includes: the deletion of road,
At least one increase newly, interrupt, revised in shape point and amendment terminal；By described first map datum with
Described second map datum carries out attribute Difference Calculation, and wherein, the project of described attribute Difference Calculation includes:
At least one in the title of road, species and grade.
Optionally, described computing module is further used for, and arranges the priority of described Difference Calculation, wherein,
The priority of the departure place of described terminal, approach place and destination Difference Calculation is poor higher than other places
Divide the priority calculated；According to the priority of described Difference Calculation, to described first map datum and described
Two map datums carry out Difference Calculation, obtain differential data；According to the priority of described Difference Calculation, by institute
State differential data to send to terminal in batches.
According to another aspect of the present invention, additionally providing a kind of server, described server includes map number
According to the device updated.
The invention has the beneficial effects as follows:
The method of the map data update that the present invention provides, first receive terminal transmission carries version information
The first map datum more newly requested, then according to version information, find corresponding with version information
One map datum, finally carries out difference meter by the second corresponding with latest edition for the first map datum map datum
Calculating, differential data Difference Calculation obtained sends to terminal, so that the first map datum is carried out more by terminal
Newly.Differential data is only sent to terminal by the present invention, i.e. only sends the part of map data update to terminal,
While having saved the network traffics that map data update is used, decrease the time of map data update,
Trip for user is provided convenience；Additionally, the present invention can also be updated across map version, no matter i.e.
Which kind of version the version of the map datum in terminal is, terminal can be updated to the map datum of latest edition,
Avoiding user uses outmoded map datum to carry out the planning of route, position and retrieve, and improves user's body
Test, embody the value of map datum.
Accompanying drawing explanation
Fig. 1 represents the key step flow chart of the method for map data update in embodiments of the invention；
Fig. 2 represents the detailed step flow chart of the method for map data update in embodiments of the invention；And
Fig. 3 represents the structured flowchart of the device of map data update in embodiments of the invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should be by
Embodiments set forth here is limited.On the contrary, it is provided that these embodiments are able to be best understood from this
Open, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
As it is shown in figure 1, be the key step flow chart of the method for map data update in embodiments of the invention,
Comprise the steps:
Step S101, receives the first map datum more newly requested that terminal sends.
In this step, when the first map datum that the user discover that in terminal needs to update, can be to server
Send the more newly requested of the first map datum.Server receives the renewal of the first map datum that terminal sends please
Ask, wherein, more newly requested in carry the version information of the first map datum.Concrete, more newly requested in
Can also include vehicle information, system version information, data version information, transmission request location information,
The information such as destination information；Additionally, server can receive the version of the first map datum after terminal enclosure
This information.
Step S102, according to version information, searches first map datum corresponding with version information.
In this step, server is according to the version information of the first map datum received, at map datum
Numerous map datum versions of figure business are searched the first map number corresponding with the version information of the first map datum
According to.So, server can be obtained by the first map datum according to version information, uploads without terminal
The first complete map datum.
Step S103, carries out Difference Calculation by the second corresponding with latest edition for the first map datum map datum,
Differential data Difference Calculation obtained sends to terminal.
In this step, the second map datum that server search to latest edition is corresponding, and by the first map
Data second map datum corresponding with latest edition carries out Difference Calculation, obtains differential data, then will
The differential data arrived sends to terminal.After terminal receives differential data, according to differential data to the first map
Data are updated.Explanation, the second map number that the first map datum is corresponding with latest edition is needed at this
For for same map.
The present invention have only to the second corresponding with latest edition for the first map datum map datum between difference
Data are sent to terminal, are sent to terminal without by the second corresponding for whole latest edition map datum,
Therefore save user for the flow that map rejuvenation is used, and decrease the time needed for map rejuvenation.
Additionally, no matter which kind of version the first map datum in terminal is, the present invention can be by the first map datum
The differential data second map datum between corresponding with latest edition is sent to terminal, it is achieved that map datum
Cross-version update, it is to avoid user uses the outmoded map datum to carry out the planning of circuit, position and retrieve,
Improve Consumer's Experience, embody the value of map datum.
As in figure 2 it is shown, be the detailed step flow chart of the method for map data update in embodiments of the invention,
Comprise the steps:
Step S101, receives the first map datum more newly requested that terminal sends.
Step S102, according to version information, searches first map datum corresponding with version information.
Step S201, it is judged that the first map datum and the second map datum had carried out Difference Calculation the most.
In this step, server before the first map datum and the second map datum are carried out Difference Calculation,
First determine whether that the first map datum and the second map datum had carried out Difference Calculation.
Step S202, if having carried out Difference Calculation, then differential data Difference Calculation obtained sends extremely
Terminal.
In this step, if the first map datum and the second map datum had carried out Difference Calculation, then
The differential data that can directly Difference Calculation be obtained sends to terminal, so can save terminal and update first
The time of map datum, it is ensured that user quickly uses up-to-date map in navigation, retrieval and position fixing process
Data.
Concrete, the first map datum and the second map datum had carried out the situation of Difference Calculation and can be:
Assume first terminal by the more newly requested server that is sent to of the first map datum, server is by the first ground
The second map datum that diagram data is corresponding with latest edition carries out Difference Calculation, obtains differential data.Second eventually
Holding the more newly requested server that is sent to of the first map datum of same version, server receives renewal please
After asking, find that the second map datum that the first map datum of this version is corresponding with latest edition was carried out
Difference Calculation, then the differential data having only to obtain Difference Calculation is sent to terminal, without weight
Newly again the first map datum and the second map datum are carried out Difference Calculation, save terminal and update the first map
The time of data.
Step S203, if not carrying out Difference Calculation, then by corresponding with latest edition for the first map datum
Second map datum carries out Difference Calculation, and differential data Difference Calculation obtained sends to terminal.
In this step, if the first map datum second map datum corresponding with latest edition is not carried out
Cross Difference Calculation, then need the first map datum and the second map datum are carried out Difference Calculation.
Concrete, Difference Calculation can include space Difference Calculation and attribute Difference Calculation.Wherein, space parallax
Point calculate project include road deletion, increase newly, interrupt, revise shape point and amendment terminal in extremely
One item missing.Below, each above-mentioned project is made explanations successively.
The deletion of road: the first map datum and the second map datum are compared, in the first map datum
When road travel permit number is more than the road travel permit number in the second map datum, then by road unnecessary in the first map datum
Delete so that the road travel permit number in the first map datum and the road travel permit number in the second map datum are consistent.
Such as, the road travel permit number in the second map datum is 5, and the road travel permit number in the first map datum is 7
Bar, then need to delete two road unnecessary in the first map datum.
Road newly-increased: the deletion with road is corresponding, when the road travel permit number in the first map datum is less than the
During road travel permit number in two map datums, then add the road lacked in the first map datum so that the first ground
Road travel permit number in diagram data and the road travel permit number in the second map datum are consistent.Such as, the second map number
Road travel permit number according to is 5, and the road travel permit number in the first map datum is 3, then need first
Map datum adds the two road lacked.
Interrupting of road: the first map datum and the second map datum are compared, when in the first map datum
The breakpoint number of certain road less than in the second map datum during the breakpoint number of same path, then by the
Road in one map datum interrupts so that the breakpoint number of the road in the first map datum and the second map
In data, the breakpoint number of same path is consistent.Such as, certain road in the first map datum is disconnected
Point number is 5, and in the second map datum, the breakpoint number of same path is 7, then by the first map
In data, the breakpoint number of this road increases to 7, so that the breakpoint feelings of this road in the first map datum
Condition is consistent with the breakpoint situation of same path in the second map datum.
The amendment shape point of road: the first map datum and the second map datum are compared, when the first map
When the shape of the same path in the shape of the road in data and the second map datum is inconsistent, amendment the
The shape of the road in one map datum so that the road shape in the first map datum and the second map datum
The shape of middle same path is consistent.Such as, the road in the first map datum is arcuation at some point,
And the same path in the second map datum is linearity on same point, then need to revise the first map
The shape of this road in data, is revised as linearity by this road shape at that point.
The amendment terminal of road: the first map datum and the second map datum are compared, when the first map
The beginning and end of the road in data differs with the beginning and end of the same path in the second map datum
During cause, revise the beginning and end of road in the first map datum so that the road in the first map datum
Beginning and end consistent with the situation of the beginning and end of the same path in the second map datum.Example
As, the beginning and end of the road in the first map datum is respectively A and B, and in the second map datum
The beginning and end of same path is respectively A and C, then revise the terminal of road in the first map datum,
It is allowed to be changed to C.
The project of attribute Difference Calculation includes at least one in the title of road, species and grade.Below,
Each above-mentioned project is made explanations successively.
The title of road: the first map datum and the second map datum are compared, when in the first map datum
Road title and the second map datum in the title of same path inconsistent time, revise the first map number
The title of the road according to, is allowed to consistent with the title of same path in the second map datum.Such as,
The entitled M of certain road in first map datum, and same path entitled in the second map datum
N, then revise the title of this road in the first map datum, be allowed to be changed to N.
The species of road: refer to national highway, provincial highway and county road etc..By the first map datum and the second map datum phase
Relatively, when the road in the first map datum species with the species of same path in the second map datum not
Time consistent, revise the species of road in the first map datum, be allowed to and same road in the second map datum
The species on road are consistent.Such as, in the first map datum, the species of certain road are provincial highway, and the second map
In data, the species of same path are county road, then revise the species of this road in the first map datum, make
Be changed to county road.
The grade of road: refer to 1 grade of road, 2 grades of roads and 3 grades of roads etc..By the first map datum and second
Map datum compares, when grade and the same road in the second map datum of the road in the first map datum
When the grade on road is inconsistent, revises the rank of road in the first map datum, be allowed to and the second map datum
The rank of middle same path is consistent.Such as, in the first map datum, the rank of certain road is 2 grades,
And the rank of same path is 3 grades in the second map datum, then revise this road in the first map datum
Rank, be allowed to be changed to 3 grades.
Concrete, during the first map datum and the second map datum are carried out Difference Calculation, permissible
The priority of Difference Calculation is set, wherein it is possible to by the departure place of terminal, approach place and destination
The priority of Difference Calculation be set above the priority of Difference Calculation in other places.Then according to difference
The priority calculated carries out Difference Calculation to the first map datum and the second map datum, obtains differential data,
I.e. preferentially departure place, approach place and the destination of terminal is carried out Difference Calculation, obtain the first difference
Other places are carried out Difference Calculation by data the most again, obtain the second differential data.Finally according to difference meter
The priority calculated, sends differential data to terminal in batches, first the first differential data is sent to terminal,
Then the second differential data is sent to terminal.The terminal of user is after having received differential data, and meeting automatically will
The first map datum in terminal is updated replacing.So, user can preferentially update user and goes on a journey
The map datum of road, then update other map datums that need not the roads used at present, ensureing
While map datum quickly updates, in turn ensure that the renewal of whole map datums, use new road
Data carry out railway network planning, and the trip for user provides great convenience.
Fig. 3 represents the structured flowchart of the device of map data update in embodiments of the invention.
Receiver module 301, for receiving the first map datum more newly requested that terminal sends, more newly requested in
Carry the version information of the first map datum；
Search module 302, for according to version information, search first map datum corresponding with version information；
Computing module 303, is used for poor for the second corresponding with latest edition for the first map datum map datum
Dividing and calculate, differential data Difference Calculation obtained sends to terminal, so that the first map datum is entered by terminal
Row updates.
Optionally, receiver module 301 receive more newly requested in also include: vehicle information, system version believe
Breath, data version information, the location information of transmission request, destination information.
Optionally, device also includes judge module, for judging that the first map datum and the second map datum are
No carried out Difference Calculation, if having carried out Difference Calculation, then difference number Difference Calculation obtained
According to sending to terminal；If not carrying out Difference Calculation, then trigger computing module 303.
Optionally, computing module 303 is further used for, and the first map datum and the second map datum is carried out
Space Difference Calculation, wherein, the project of space Difference Calculation includes: the deletion of road, increase newly, interrupt,
At least one in amendment shape point and amendment terminal；First map datum and the second map datum are carried out
Attribute Difference Calculation, wherein, the project of attribute Difference Calculation includes: in the title of road, species and grade
At least one.
Optionally, computing module 303 is further used for, and arranges the priority of Difference Calculation, wherein, terminal
The priority of departure place, approach place and destination Difference Calculation higher than other place Difference Calculation
Priority；According to the priority of Difference Calculation, the first map datum and the second map datum are carried out difference meter
Calculate, obtain differential data；According to the priority of Difference Calculation, differential data is sent to terminal in batches.
According to another aspect of the present invention, additionally providing a kind of server, server includes that map datum is more
New device.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For Yuan, some improvements and modifications can also be made under without departing from principle premise of the present invention, these
Improvements and modifications are the most within the scope of the present invention.
Claims (11)
1. the method for a map data update, it is characterised in that described method includes:
Receive the first map datum more newly requested that terminal sends, described more newly requested in carry the first ground
The version information of diagram data；
According to described version information, search first map datum corresponding with described version information；
The second corresponding with latest edition for described first map datum map datum is carried out Difference Calculation, will be poor
Calculated differential data is divided to send to terminal, so that described first map datum is updated by terminal.
Method the most according to claim 1, it is characterised in that described more newly requested in also include: car
Type information, system version information, data version information, the location information of transmission request, destination information.
Method the most according to claim 1, it is characterised in that described by described first map datum with
Second map datum corresponding to latest edition carries out Difference Calculation, and differential data Difference Calculation obtained sends
Before terminal, described method also includes:
Judge that described first map datum and described second map datum had carried out Difference Calculation, if
Carried out Difference Calculation, then differential data Difference Calculation obtained sends to terminal；
If not carrying out Difference Calculation, then enter described by corresponding with latest edition for described first map datum
The second map datum carry out Difference Calculation, the differential data that Difference Calculation obtained sends the step to terminal.
Method the most according to claim 1, it is characterised in that described by described first map datum with
Second map datum corresponding to latest edition carries out Difference Calculation, specifically includes:
Described first map datum and described second map datum are carried out space Difference Calculation, wherein, described
The project of space Difference Calculation includes: the deletion of road, increases newly, interrupt, revise shape point and amendment start-stop
At least one in point；
Described first map datum and described second map datum are carried out attribute Difference Calculation, wherein, described
The project of attribute Difference Calculation includes: at least one in the title of road, species and grade.
Method the most according to claim 1, it is characterised in that described by described first map datum with
Second map datum corresponding to latest edition carries out Difference Calculation, and differential data Difference Calculation obtained sends
To terminal, specifically include:
The priority of described Difference Calculation, wherein, the departure place of described terminal, approach place and mesh are set
The priority of place Difference Calculation higher than the priority of other place Difference Calculation；
According to the priority of described Difference Calculation, described first map datum and described second map datum are entered
Row Difference Calculation, obtains differential data；
According to the priority of described Difference Calculation, described differential data is sent to terminal in batches.
6. the device of a map data update, it is characterised in that described device includes:
Receiver module, for receiving the more newly requested of the first map datum of terminal transmission, described more newly requested
In carry the version information of the first map datum；
Search module, for according to described version information, search first map corresponding with described version information
Data；
Computing module, for carrying out the second corresponding with latest edition for described first map datum map datum
Difference Calculation, differential data Difference Calculation obtained sends to terminal, so that terminal is to described first map
Data are updated.
Device the most according to claim 6, it is characterised in that the renewal that described receiver module receives please
Also include in asking: vehicle information, system version information, data version information, transmission request location information,
Destination information.
Device the most according to claim 6, it is characterised in that described device also includes judge module,
For judging that described first map datum and described second map datum had carried out Difference Calculation, if
Carried out Difference Calculation, then differential data Difference Calculation obtained sends to terminal；If not carrying out
Cross Difference Calculation, then trigger computing module.
Device the most according to claim 6, it is characterised in that described computing module is further used for,
Described first map datum and described second map datum are carried out space Difference Calculation, wherein, described space
The project of Difference Calculation includes: the deletion of road, increases newly, interrupt, revise in shape point and amendment terminal
At least one；Described first map datum and described second map datum are carried out attribute Difference Calculation, its
In, the project of described attribute Difference Calculation includes: at least one in the title of road, species and grade.
Device the most according to claim 6, it is characterised in that described computing module is further used for,
The priority of described Difference Calculation, wherein, the departure place of described terminal, approach place and destination are set
The priority of some Difference Calculation is higher than the priority of other place Difference Calculation；Excellent according to described Difference Calculation
First level, carries out Difference Calculation to described first map datum and described second map datum, obtains differential data；
According to the priority of described Difference Calculation, described differential data is sent to terminal in batches.
11. 1 kinds of servers, it is characterised in that described server includes such as any one of claim 6～10 institute
The device of the map data update stated.
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| CN201510232272.9A CN106197438A (en) | 2015-05-08 | 2015-05-08 | A kind of method of map data update, device and server |
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| CN106595682A (en) * | 2016-12-16 | 2017-04-26 | 上海博泰悦臻网络技术服务有限公司 | Differential updating method and system of map data, and server |
| CN106844494A (en) * | 2016-12-26 | 2017-06-13 | 上海博泰悦臻网络技术服务有限公司 | A kind of update method of map inquiry data, system and server |
| CN108123997A (en) * | 2017-11-21 | 2018-06-05 | 武汉中海庭数据技术有限公司 | A kind of navigation pack update method and system based on difference update |
| CN108286984A (en) * | 2017-01-09 | 2018-07-17 | 北京四维图新科技股份有限公司 | The update method and device and hybrid navigation system of a kind of map area information |
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| CN110442589A (en) * | 2019-07-30 | 2019-11-12 | 丰图科技(深圳)有限公司 | A kind of electronic map update method, device and equipment |
| CN110715669A (en) * | 2018-07-12 | 2020-01-21 | 罗伯特·博世有限公司 | Mobile device and method for operating a mobile device |
| CN112883127A (en) * | 2019-11-29 | 2021-06-01 | 百度在线网络技术（北京）有限公司 | Road data processing method and device, electronic equipment and medium |
| CN113377887A (en) * | 2021-06-25 | 2021-09-10 | 北京百度网讯科技有限公司 | Map data updating method and device, electronic equipment and storage medium |
| CN114008409A (en) * | 2019-06-12 | 2022-02-01 | 株式会社电装 | Map data generating device |
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