CN107295047A - A kind of map data updating method, apparatus and system - Google Patents
A kind of map data updating method, apparatus and system Download PDFInfo
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- CN107295047A CN107295047A CN201610203211.4A CN201610203211A CN107295047A CN 107295047 A CN107295047 A CN 107295047A CN 201610203211 A CN201610203211 A CN 201610203211A CN 107295047 A CN107295047 A CN 107295047A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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Abstract
This application discloses a kind of map data updating method and device, method includes：When receiving map datum Notification of Changes, it is determined that the geographical coverage area belonging to the map datum of change；The destination client of the once requested map datum for belonging to the geographical coverage area of inquiry；Determine the destination client required change map datum belonging to target geographical area scope；New information is sent to the destination client, new information includes the target geographical area scope belonging to the map datum of change needed for the destination client.Server is when receiving map data update notice in the application, actively to need carry out map data update destination client send new information, so that out-of-date map datum is deleted in destination client, so that map data update is much sooner, and, client frequent requests server is not needed according to application scheme, the request pressure of server is reduced.
Description
Technical field
The application is related to data update method field, more specifically to a kind of map data update side
Method, apparatus and system.
Background technology
With the construction and change of road network, map datum corresponding with road network is also constantly updating.In order to
Ensure that map application client provides the user accurate Routing Service, it is necessary to the timely map to client
Data are updated.
At present, client is that client is according to fixed detection cycle master to the update mode of map datum
Trend server asks the version number of newest map datum, and then contrasts the version of local map datum
Number version number issued with server, if finding, the version number of local map datum issues less than server
Version number, it is determined that local map datum is out-of-date, and then deletes local map datum.Afterwards
Continue when user carries out Routing Service request, client re-downloads map datum newest in server.
Applicant in this case has found that prior art has the following disadvantages by the research to prior art：Work as visitor
When the detection cycle at family end is long, it is impossible to judge whether local map datum needs renewal in time；Work as visitor
When the detection cycle at family end is too short, the quantity of redundant request can be increased, increase the request pressure of server.
The content of the invention
In view of this, this application provides a kind of map data updating method, apparatus and system, for solving
Present in certainly existing map data update mode, the map data update of client is not in time or client
The problem of server request pressure caused by frequent requests server is excessive.
To achieve these goals, it is proposed that scheme it is as follows：
A kind of map data updating method, applied to server, this method includes：
When receiving map datum Notification of Changes, it is determined that the geographical coverage area belonging to the map datum of change；
The destination client of the once requested map datum for belonging to the geographical coverage area of inquiry；
Determine the destination client required change map datum belonging to target geographical area scope；
New information is sent to the destination client, the new information includes the destination client institute
Target geographical area scope belonging to the map datum that need to be changed.
A kind of map data update apparatus, applied to server, the device includes：
Changing range determining unit, for when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；
Client inquiry unit, for inquiring about the once requested map datum for belonging to the geographical coverage area
Destination client；
Scope determining unit to be updated, the map datum of the required change for determining the destination client
Affiliated target geographical area scope；
New information transmitting element, for sending new information to the destination client, the renewal disappears
Breath includes the target geographical area scope belonging to the map datum of change needed for the destination client.
A kind of map data update system, including server and client side, wherein：
The server includes：
Changing range determining unit, for when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；
Client inquiry unit, for inquiring about the once requested map datum for belonging to the geographical coverage area
Destination client；
Scope determining unit to be updated, the map datum of the required change for determining the destination client
Affiliated target geographical area scope；
New information transmitting element, for sending new information to the destination client, the renewal disappears
Breath includes the target geographical area scope belonging to the map datum of change needed for the destination client；
The client includes：
New information receiving unit, the new information sent for the reception server；
Map datum query unit, what is be locally stored for inquiring about belongs to the mesh included in the new information
Mark the map datum of geographical coverage area；
Map datum deletes unit, for the map datum inquired to be deleted.
It can be seen from above-mentioned technical scheme that, the map data updating method that the embodiment of the present application is provided,
Server is when receiving map datum Notification of Changes, it is determined that the geographic area model belonging to the map datum of change
Enclose, inquire about the destination client of the once requested map datum for belonging to the geographical coverage area, determine institute
Target geographical area scope belonging to the map datum for the required change for stating destination client, and then to described
Destination client sends new information, and new information includes the map number of change needed for the destination client
According to affiliated target geographical area scope.It follows that server is receiving map datum more in the application
During new notice, actively to needing the destination client for carrying out map data update to send new information, notify
Target geographical area scope needed for destination client belonging to the map datum of change, so as to destination client
By correspondence scope out-of-date map datum delete so that map data update much sooner, client
Routing Service will not be provided the user using out-of-date map datum.Also, it is not required to according to application scheme
Client frequent requests server is wanted, the request pressure of server is reduced.
Brief description of the drawings
, below will be to reality in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing used required for applying in example or description of the prior art is briefly described, it should be apparent that, below
Accompanying drawing in description is only embodiments herein, for those of ordinary skill in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of map data updating method flow chart disclosed in the embodiment of the present application from server side；
Fig. 2 is another map data updating method flow disclosed in the embodiment of the present application from server side
Figure；
Fig. 3 is another map data updating method flow disclosed in the embodiment of the present application from server side
Figure；
Fig. 4 is a kind of map data updating method flow chart disclosed in the embodiment of the present application from client angle；
Fig. 5 is that a kind of map data update apparatus structure disclosed in the embodiment of the present application from server side is shown
It is intended to；
Fig. 6 is a kind of map data update system structural representation disclosed in the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out
Clearly and completely describe, it is clear that described embodiment is only some embodiments of the present application, and
The embodiment being not all of.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the application protection.
This application provides a kind of update scheme of map datum, scheme is related to server and client side.Clothes
Be stored with map datum in business device, and whenever having new map datum to import in server, server can be received
To map datum Notification of Changes.Client such as mobile phone, tablet personal computer, notebook computer can support the
The user equipment of tripartite's application software.
In the embodiment of the present application, server is when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；The once requested map datum for belonging to the geographical coverage area of inquiry
Destination client；Determine the destination client required change map datum belonging to target geographic
Regional extent；New information is sent to the destination client, the new information includes target visitor
Target geographical area scope needed for the end of family belonging to the map datum of change.Client is received after new information,
The map datum for belonging to the target geographical area scope that the new information is included being locally stored is deleted
Remove.
In the scheme that the embodiment of the present application is provided, from server actively to client push new information, make
Map datum renewal much sooner, and avoid client and frequently access service caused by server
The problem of device request pressure is excessive.
Below with the angle of server, the map data updating method that the embodiment of the present application is provided is situated between
Continue, referring to Fig. 1, Fig. 1 is a kind of map data update side disclosed in the embodiment of the present application from server side
Method flow chart.
As shown in figure 1, this method includes：
Step S100, when receiving map datum Notification of Changes, it is determined that change map datum belonging to ground
Manage regional extent；
Specifically, be stored with map datum in server, whenever the map datum in server produces change
When, server can receive map datum Notification of Changes, and then data Notification of Changes determines change according to the map
Map datum belonging to geographical coverage area.
Optionally, the geographic region belonging to the map datum having altered can be carried in map datum Notification of Changes
Domain scope, and then server can directly obtain the map datum institute of change from map datum Notification of Changes
The geographical coverage area of category.In addition, server can also when receiving map datum Notification of Changes,
The version number of the map datum of each geographical coverage area and the geography corresponding before changing recorded after contrast change
The version number of the map datum of regional extent, determines to produce the map number of change by version number's comparing result
According to affiliated geographical coverage area.
Wherein, map datum can be divided with latitude and longitude coordinates, and be stored with administrative region.
Specific dividing mode the application is without limiting.
Step S110, the once requested map datum for belonging to the geographical coverage area of inquiry target customer
End；
Specifically, client belongs in response to the map denotation request of user, it is necessary to be obtained from server
The map datum of the geographical coverage area of user's request.Server is requested before can inquiring about current time
Belong to the client of the map datum of geographical coverage area determined by step S100, these clients are made
For destination client, destination client is the client for needing to carry out map data update.
Optionally, the application can set a period threshold value, and server is only inquired about before current time
And the requested map number for belonging to geographical coverage area determined by step S100 within setting time section threshold value
According to client.Setting time section threshold value can be one month or 1 year etc..
Lift for example, user went to Hainan to go on business one day before 1 year, period of going on business once is carried out using client
Path navigation.Hainan was not gone to again in 1 year after going on business, then for a user, in the range of the city of Hainan
Map datum belong to the extremely low data of utilization rate, the partial data can be without updating.
Step S120, determine the destination client required change map datum belonging to target geographic
Regional extent；
Specifically, the destination client for needing to carry out map data update, this step are determined in previous step
Further determined that in rapid the destination client required change map datum belonging to target geographical area
Scope.
Step S130, to the destination client send new information, the new information include the mesh
Target geographical area scope needed for marking client belonging to the map datum of change.
Server to the destination client of determination by sending new information, so that destination client will correspondence
The out-of-date map datum of scope is deleted.
The map data updating method that the embodiment of the present application is provided, server is to receive map datum change logical
When knowing, it is determined that the geographical coverage area belonging to the map datum of change, inquires about once requested belong to describedly
The destination client of the map datum of regional extent is managed, the ground of the required change of the destination client is determined
Target geographical area scope belonging to diagram data, and then new information is sent to the destination client, more
New information includes the target geographical area scope belonging to the map datum of change needed for the destination client.
It follows that server is when receiving map data update notice in the application, actively to needing progress
The destination client that diagram data updates sends new information, notifies the map number of change needed for destination client
According to affiliated target geographical area scope, so that destination client will correspond to the out-of-date map datum of scope
Delete so that much sooner, client will not be used map data update using out-of-date map datum
Family provides Routing Service.Also, do not need client frequent requests server, drop according to application scheme
The low request pressure of server.
It is understood that in application scheme server lookup to requested belong to the geographic area
The destination client of the map datum of scope is probably multiple, then server determines each target customer
Target geographical area scope belonging to the map datum of the required change at end, and then to each destination client
Belonging to the map datum for sending the required change that correspondence destination client is included in new information, new information
Target geographical area scope.
For the ease of understanding scheme, the application is illustrated by following instantiations.
Server receives map datum Notification of Changes, it is determined that the geographic area model belonging to the map datum of change
Enclose including Hebei province, Shandong Province and Henan Province.
Server further searches for the once requested map datum for belonging to Hebei province, Shandong Province and Henan Province
Destination client, find the once requested map datum for belonging to Hebei province of customer end A, customer end B was once
The requested map datum for belonging to Shandong Province and Henan Province, therefore customer end A and customer end B are defined as
Destination client.
It is understood that the process of above-mentioned whois lookup destination client, can be to look for nearest one
Section the time, such as it is nearest one month in, the once requested map for belonging to Hebei province, Shandong Province and Henan Province
The destination client of data.
Server is it is determined that after destination client, further determine that the ground of the required change of destination client
Target geographical area scope belonging to diagram data.For customer end A, server can be by Hebei province
It is defined as the target geographical area scope of customer end A；For customer end B, server can be by mountain
Dong Sheng and Henan Province are defined as the target geographical area scope of customer end B.
Server is sent out after the target geographical area scope of destination client is determined to destination client
Send new information.Specifically, server sends new information to customer end A, wherein carrying client
A target geographical area scope；Server sends new information to customer end B, wherein carrying client
Hold B target geographical area scope.
Customer end A is received after new information, can search be locally stored belong to target geographical area scope-
The map datum in Hebei province, and then it is deleted；Customer end B is received after new information, can be searched
What is be locally stored belongs to the map datum in target geographical area scope-Shandong Province and Henan Province, and then it is deleted
Remove.
Next, referring to Fig. 2, Fig. 2 is another map disclosed in the embodiment of the present application from server side
Data-updating method flow chart.
As shown in Fig. 2 this method includes：
Step S200, when receiving map datum Notification of Changes, it is determined that change map datum belonging to ground
Manage regional extent；
Specifically, be stored with map datum in server, whenever the map datum in server produces change
When, server can receive map datum Notification of Changes, and then data Notification of Changes determines change according to the map
Map datum belonging to geographical coverage area.
Step S210, acquisition serve log；
Wherein, record has the map datum request of the history of client in the serve log of server, described
Map datum request bag is containing the history target geographical area scope belonging to the map datum asked.
Step S220, judge whether the geographical coverage area belonging to the map datum of the change contains institute
History target geographical area scope is stated, if it is, performing step S230；
Step S230, the visitor that the map datum request comprising the history target geographical area scope will be sent
Family end, is defined as destination client；
Specifically, if some client is once transmitted across being contained in the geography belonging to the map datum of the change
The map datum request of regional extent, then be defined as destination client by the client.
Step S240, determine the destination client required change map datum belonging to target geographic
Regional extent；
Specifically, the destination client for needing to carry out map data update, this step are determined in previous step
Further determined that in rapid the destination client required change map datum belonging to target geographical area
Scope.
Step S250, to the destination client send new information, the new information include the mesh
Target geographical area scope needed for marking client belonging to the map datum of change.
Server to the destination client of determination by sending new information, so that destination client will correspondence
The out-of-date map datum of scope is deleted.
In the present embodiment, a kind of requested ground for belonging to the geographical coverage area of server lookup is described
The specific implementation of the destination client of diagram data, that is, pass through the serve log of server, query history
Geographical coverage area belonging to the map datum of request is contained in the geography belonging to the map datum of the change
The client of regional extent, is defined as destination client.
Certainly, in addition there can also be other embodiments, for example, server is gone through from client
A regional extent is randomly selected in geographical coverage area belonging to the map datum of history request, the area is judged
It is other whether domain scope is contained within the geographical coverage area belonging to the map datum of the change, etc.
Mode.
An embodiment given example is illustrated more than still：
Server receives map datum Notification of Changes, it is determined that the geographic area model belonging to the map datum of change
Enclose including Hebei province, Shandong Province and Henan Province.
Server lookup serve log, finds a period of time recently, such as in one month, have customer end A,
The map datum request of customer end B and client C history.Wherein, the map datum that customer end A is asked
Affiliated history target geographical area scope is Hebei province；Going through belonging to the map datum that customer end B is asked
History geographical coverage area is Shandong Province and Henan Province；The history belonging to map datum that client C is asked
Reason regional extent is Guangdong Province.
Due to the history target geographical area scope of customer end A：Hebei province, is contained in the map datum of change
Affiliated geographical coverage area：Hebei province, Shandong Province and Henan Province, therefore customer end A is defined as target
Client；Due to the history target geographical area scope of customer end B：Shandong Province, is contained in the map of change
Geographical coverage area belonging to data：Hebei province, Shandong Province and Henan Province, therefore customer end B is defined as
Destination client；Due to client C history target geographical area scope：Guangdong Province, is not included in change
Map datum belonging to geographical coverage area：Hebei province, Shandong Province and Henan Province, therefore not by client
End C is defined as destination client.
After destination client is determined, follow-up process is identical with a upper example.
Based on above-described embodiment, this application discloses another map data updating method, referring to Fig. 3.
As shown in figure 3, this method includes：
Step S300, when receiving map datum Notification of Changes, it is determined that change map datum belonging to ground
Manage regional extent；
Specifically, be stored with map datum in server, whenever the map datum in server produces change
When, server can receive map datum Notification of Changes, and then data Notification of Changes determines change according to the map
Map datum belonging to geographical coverage area.
Step S310, acquisition serve log；
Wherein, record has the map datum request of the history of client in the serve log of server, described
Map datum request bag is containing the history target geographical area scope belonging to the map datum asked.
Step S320, judge whether the geographical coverage area belonging to the map datum of the change contains institute
History target geographical area scope is stated, if it is, performing step S330；
Step S330, the visitor that the map datum request comprising the history target geographical area scope will be sent
Family end, is defined as destination client；
Specifically, if some client is once transmitted across being contained in the geography belonging to the map datum of the change
The map datum request of regional extent, then be defined as destination client by the client.
Step S340, the history target geographical area scope of the destination client is defined as the target
Target geographical area scope belonging to the map datum of the required change of client；
Step S350, to the destination client send new information, the new information include the mesh
Target geographical area scope needed for marking client belonging to the map datum of change.
Server to the destination client of determination by sending new information, so that destination client will correspondence
The out-of-date map datum of scope is deleted.
Compared to above-described embodiment, the present embodiment is true by the history target geographical area scope of destination client
Target geographical area scope belonging to the map datum for the required change for being set to the destination client.
Certainly, the target in above-described embodiment belonging to the map datum of the required change of determination destination client
The method of geographical coverage area is a kind of optimum way, in addition, and the application can also be directly by service
Geographical coverage area belonging to the map datum for the change that device is determined is defined as, the institute of the destination client
Target geographical area scope belonging to the map datum that need to be changed.
Still illustrated with examples detailed above：
Server receives map datum Notification of Changes, it is determined that the geographic area model belonging to the map datum of change
Enclose including Hebei province, Shandong Province and Henan Province.
Server lookup serve log, finds a period of time recently, such as in one month, have customer end A,
The map datum request of customer end B and client C history.Wherein, the map datum that customer end A is asked
Affiliated history target geographical area scope is Hebei province；Going through belonging to the map datum that customer end B is asked
History geographical coverage area is Shandong Province and Henan Province；The history belonging to map datum that client C is asked
Reason regional extent is Guangdong Province.
Customer end A and customer end B are defined as destination client by server.
Further, Hebei province can be defined as the map datum institute of the required change of customer end A by server
The target geographical area scope of category, can also be defined as customer end A by Hebei province, Shandong Province and Henan Province
Required change map datum belonging to target geographical area scope.
Similarly it is directed to customer end B.
Optionally, in the various embodiments described above, before new information is sent to the destination client,
This method can further include：
Server sends update notification to the destination client, and the update notification is used to notify the mesh
Mark client has map datum to need renewal.
Then server sends the process of new information to the destination client, can specifically include：
Server responds the renewal request that the destination client is returned according to the update notification, to institute
State destination client and send new information, new information includes the map of change needed for the destination client
Target geographical area scope belonging to data.
It is understood that belonging to the map datum that server is changed needed for destination client is determined
After target geographical area scope, destination client is notified to have map datum to need renewal first.If target is objective
Family end is currently at renewable state, for example, destination client is in idle condition, or non-busy condition
Deng, then destination client can return renewal request, and then as needed for server issues destination client update
The geographical coverage area of map datum, it is ensured that destination client can be according to the required renewal map number
According to geographical coverage area, by the corresponding map datum being locally stored delete.
Further alternative, on the basis of each above-mentioned embodiment, the application is sent out to destination client
While sending new information, it can also include：
Server obtains the map datum for belonging to the target geographical area scope.
Based on this, the new information that server is sent to the destination client further comprises the acquisition
Map datum.
Specifically, server is when determining destination client in the presence of the map datum for needing to update, by mesh
The geographical coverage area of the map datum of change needed for marking client, and the newest map in the range of this
Data send jointly to destination client, and the local corresponding geographic area with storage is deleted by destination client
The map datum of scope, and preserve that server issues should in the range of newest map datum.
In addition, the geographical coverage area of the map datum of change needed for server can only be sent, and
Asynchronously send the map datum in the range of this.When there is user in client-side carry out map denotation request,
Client whether there is map datum corresponding with user's request geographical coverage area in local search, if not
In the presence of then user end to server asks the map datum of correspondence scope.
Below with the angle of client, the map data updating method that the embodiment of the present application is provided is situated between
Continue, referring to Fig. 4, Fig. 4 is a kind of map data update side disclosed in the embodiment of the present application from client angle
Method flow chart.
As shown in figure 4, this method includes：
The new information that step S400, the reception server are sent, the new information is included needed for client
Target geographical area scope belonging to the map datum of change；
Specifically, the client of map datum to be updated is determined for server, and determines client institute
The process of target geographical area scope belonging to the map datum that need to be changed, is referred to related introduction above,
Here is omitted.
What step S410, inquiry were locally stored belongs to the target geographical area model included in the new information
The map datum enclosed；
Step S420, by the map datum inquired delete.
In the embodiment of the present application, server receive map data update notify when, actively to need carry out
The client of map data update sends new information, notifies client to delete out-of-date map datum,
So that map data update is much sooner, client will not provide the user road using out-of-date map datum
Footpath is serviced.Also, client frequent requests server is not needed according to application scheme, service is reduced
The request pressure of device.
Optionally, before above-mentioned steps S400, the application method may further include：
Client receives the update notification that the server is sent；
Client is sent to the server updates request, to ask to update map datum needed for this client
Geographical coverage area.
Specifically, client is when receiving the update notification of server transmission, however, it is determined that itself is currently at
Renewable state, for example, itself be in idle condition, or non-busy condition etc., then sent more to server
New request, the geographical coverage area of renewal map datum needed for issuing this client with request server.
It is understood that target geographical area of the client needed for receiving belonging to the map datum of change
After scope, the map datum for the corresponding scope being locally stored is deleted.Client is deleted will after map datum
The path that the part map datum can not be provided the user such as shows, navigated at the service.When client receives use
During the map denotation request at family, client whether there is in local search asks geographical coverage area with user
Corresponding map datum, if being not present, the map datum of user end to server request correspondence scope,
Request obtain after map datum by draw be shown to user.
On the basis of the above, client, can also be same while the new information that the reception server is sent
When the map datum that sends of the reception server, the map datum institute of the map datum and the required change
The target geographical area scope correspondence of category.
The map data update apparatus that the embodiment of the present application is provided is described below, described belowly
Diagram data updating device can be mutually to should refer to above-described map data updating method.
Referring to Fig. 5, Fig. 5 is a kind of map data update dress disclosed in the embodiment of the present application from server side
Put structural representation.
As shown in figure 5, the device includes：
Changing range determining unit 51, for when receiving map datum Notification of Changes, it is determined that the ground of change
Geographical coverage area belonging to diagram data；
Client inquiry unit 52, for inquiring about the once requested map number for belonging to the geographical coverage area
According to destination client；
Scope determining unit 53 to be updated, the map number of the required change for determining the destination client
According to affiliated target geographical area scope；
New information transmitting element 54, for sending new information, the renewal to the destination client
Message package is containing the target geographical area scope belonging to the map datum of change needed for the destination client.
The map data update apparatus that the embodiment of the present application is provided, server is to receive map datum change logical
When knowing, it is determined that the geographical coverage area belonging to the map datum of change, inquires about once requested belong to describedly
The destination client of the map datum of regional extent is managed, the ground of the required change of the destination client is determined
Target geographical area scope belonging to diagram data, and then new information is sent to the destination client, more
New information includes the target geographical area scope belonging to the map datum of change needed for the destination client.
It follows that server is when receiving map data update notice in the application, actively to needing progress
The destination client that diagram data updates sends new information, notifies the map number of change needed for destination client
According to affiliated target geographical area scope, so that destination client will correspond to the out-of-date map datum of scope
Delete so that much sooner, client will not be used map data update using out-of-date map datum
Family provides Routing Service.Also, do not need client frequent requests server, drop according to application scheme
The low request pressure of server.
Optionally, above-mentioned client inquiry unit can include：
Serve log acquiring unit, has client for obtaining record in serve log, the serve log
History map datum request, the map datum request bag is containing going through belonging to the map datum asked
History target geographical area scope；
Destination client determining unit, for judging the geographic area model belonging to the map datum of the change
Enclose and whether contain the history target geographical area scope, if it is, including the history by sending
The client of the map datum request of target geographical area scope, is defined as destination client.
Optionally, above-mentioned scope determining unit to be updated can include：
First scope determination subelement to be updated, for by the history target geographic area of the destination client
Domain scope is defined as the target geographical area model belonging to the map datum of the required change of the destination client
Enclose.
Optionally, the map data update apparatus of the application can also include：
Update notification transmitting element, for before the new information transmitting element, to target visitor
Family end sends update notification, and the update notification is used to notify the destination client to have map datum needs
Update；
Then the new information transmitting element, is specifically included：
First new information transmission sub-unit, for responding the destination client according to the update notification
The renewal request returned, new information is sent to the destination client.
Optionally, the map data update apparatus of the application can also include：
Map datum acquiring unit to be updated, the map of the target geographical area scope is belonged to for obtaining
Data；
The new information that then the new information transmitting element is sent out to the destination client can further be wrapped
Include the map datum of the acquisition.
Referring to Fig. 6, Fig. 6 is a kind of map data update system structural representation disclosed in the embodiment of the present application.
As shown in fig. 6, the system includes：
Server 61 and client 62, wherein：
The server 61 can include：
Changing range determining unit, for when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；
Client inquiry unit, for inquiring about the once requested map datum for belonging to the geographical coverage area
Destination client；
Scope determining unit to be updated, the map datum of the required change for determining the destination client
Affiliated target geographical area scope；
New information transmitting element, for sending new information to the destination client, the renewal disappears
Breath includes the target geographical area scope belonging to the map datum of change needed for the destination client；
The client 62 can include：
New information receiving unit, the new information sent for the reception server；
Map datum query unit, what is be locally stored for inquiring about belongs to the mesh included in the new information
Mark the map datum of geographical coverage area；
Map datum deletes unit, for the map datum inquired to be deleted.
Further alternative, the server 61 can also include：
Update notification transmitting element, for before the new information transmitting element, to target visitor
Family end sends update notification, and the update notification is used to notify the destination client to have map datum needs
Update；
Corresponding, the client 62 can also include：
Update notification receiving unit, for receiving the update notification that the server is sent；
Map datum request transmitting unit, for responding the update notification, sends more to the server
New request；
Based on this, the new information transmitting element in the server 61 is specifically included：
First new information transmission sub-unit, for responding the destination client according to the update notification
The renewal request returned, new information is sent to the destination client.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms
It is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily requires
Or imply between these entities or operation there is any this actual relation or order.Moreover, art
Language " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
So that process, method, article or equipment including a series of key elements not only include those key elements, and
Also include other key elements for being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's equipment.In the absence of more restrictions, by sentence "including a ..."
The key element of restriction, it is not excluded that also deposited in the process including the key element, method, article or equipment
In other identical element.
The embodiment of each in this specification is described by the way of progressive, and each embodiment is stressed
Be between the difference with other embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use
The application.A variety of modifications to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can in the case where not departing from spirit herein or scope,
Realize in other embodiments.Therefore, the application is not intended to be limited to the embodiments shown herein,
And it is to fit to the most wide scope consistent with features of novelty with principles disclosed herein.
Claims (12)
1. a kind of map data updating method, it is characterised in that applied to server, this method includes：
When receiving map datum Notification of Changes, it is determined that the geographical coverage area belonging to the map datum of change；
The destination client of the once requested map datum for belonging to the geographical coverage area of inquiry；
Determine the destination client required change map datum belonging to target geographical area scope；
New information is sent to the destination client, the new information includes the destination client institute
Target geographical area scope belonging to the map datum that need to be changed.
2. according to the method described in claim 1, it is characterised in that the inquiry is once requested to belong to institute
The destination client of the map datum of geographical coverage area is stated, including：
Obtaining record in serve log, the serve log has the map datum request of history of client,
The map datum request bag is containing the history target geographical area scope belonging to the map datum asked；
Judge whether the geographical coverage area belonging to the map datum of the change contains the history target
Geographical coverage area, if it is, the map number for including the history target geographical area scope will be sent
According to the client of request, it is defined as destination client.
3. method according to claim 2, it is characterised in that the determination destination client
Required change map datum belonging to target geographical area scope, including：
The history target geographical area scope of the destination client is defined as the institute of the destination client
Target geographical area scope belonging to the map datum that need to be changed.
4. according to the method described in claim 1, it is characterised in that sent described to the client
Before new information, this method also includes：
Update notification is sent to the destination client, the update notification is used to notify the target customer
End has map datum to need renewal；
It is then described to send new information to the destination client, specifically include：
The renewal request that the destination client is returned according to the update notification is responded, to the target
Client sends new information.
5. the method according to any claim in claim 1-4, it is characterised in that this method
Also include：
Obtain the map datum for belonging to the target geographical area scope；
The new information sent to the destination client further comprises the map datum of the acquisition.
6. a kind of map data update apparatus, it is characterised in that applied to server, the device includes：
Changing range determining unit, for when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；
Client inquiry unit, for inquiring about the once requested map datum for belonging to the geographical coverage area
Destination client；
Scope determining unit to be updated, the map datum of the required change for determining the destination client
Affiliated target geographical area scope；
New information transmitting element, for sending new information to the destination client, the renewal disappears
Breath includes the target geographical area scope belonging to the map datum of change needed for the destination client.
7. device according to claim 6, it is characterised in that the client inquiry unit includes：
Serve log acquiring unit, has client for obtaining record in serve log, the serve log
History map datum request, the map datum request bag is containing going through belonging to the map datum asked
History target geographical area scope；
Destination client determining unit, for judging the geographic area model belonging to the map datum of the change
Enclose and whether contain the history target geographical area scope, if it is, including the history by sending
The client of the map datum request of target geographical area scope, is defined as destination client.
8. device according to claim 7, it is characterised in that the scope determining unit to be updated
Including：
First scope determination subelement to be updated, for by the history target geographic area of the destination client
Domain scope is defined as the target geographical area model belonging to the map datum of the required change of the destination client
Enclose.
9. device according to claim 6, it is characterised in that also include：
Update notification transmitting element, for before the new information transmitting element, to target visitor
Family end sends update notification, and the update notification is used to notify the destination client to have map datum needs
Update；
Then the new information transmitting element, is specifically included：
First new information transmission sub-unit, for responding the destination client according to the update notification
The renewal request returned, new information is sent to the destination client.
10. the device according to claim 6-9 any claims, it is characterised in that also include：
Map datum acquiring unit to be updated, the map of the target geographical area scope is belonged to for obtaining
Data；
The new information that then the new information transmitting element is sent out to the destination client further comprises institute
State the map datum of acquisition.
11. a kind of map data update system, it is characterised in that including server and client side, wherein：
The server includes：
Changing range determining unit, for when receiving map datum Notification of Changes, it is determined that the map of change
Geographical coverage area belonging to data；
Client inquiry unit, for inquiring about the once requested map datum for belonging to the geographical coverage area
Destination client；
Scope determining unit to be updated, the map datum of the required change for determining the destination client
Affiliated target geographical area scope；
New information transmitting element, for sending new information to the destination client, the renewal disappears
Breath includes the target geographical area scope belonging to the map datum of change needed for the destination client；
The client includes：
New information receiving unit, the new information sent for the reception server；
Map datum query unit, what is be locally stored for inquiring about belongs to the mesh included in the new information
Mark the map datum of geographical coverage area；
Map datum deletes unit, for the map datum inquired to be deleted.
12. system according to claim 11, it is characterised in that
The server also includes：
Update notification transmitting element, for before the new information transmitting element, to target visitor
Family end sends update notification, and the update notification is used to notify the destination client to have map datum needs
Update；
Corresponding, the client also includes：
Update notification receiving unit, for receiving the update notification that the server is sent；
Map datum request transmitting unit, for responding the update notification, sends more to the server
New request；
Based on this, the new information transmitting element in the server is specifically included：
First new information transmission sub-unit, for responding the destination client according to the update notification
The renewal request returned, new information is sent to the destination client.
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| CN201610203211.4A CN107295047B (en) | 2016-03-31 | 2016-03-31 | Map data updating method, device and system |
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| CN201610203211.4A CN107295047B (en) | 2016-03-31 | 2016-03-31 | Map data updating method, device and system |
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