CN103945565A - Method and device for obtaining offline map - Google Patents
Method and device for obtaining offline map Download PDFInfo
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- CN103945565A CN103945565A CN201310019339.1A CN201310019339A CN103945565A CN 103945565 A CN103945565 A CN 103945565A CN 201310019339 A CN201310019339 A CN 201310019339A CN 103945565 A CN103945565 A CN 103945565A
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Abstract
The invention relates to a method and a device for obtaining an offline map. The method comprises the steps of searching terminals, and obtaining a selected terminal to be connected; initiating a wireless fidelity (WI-FI) Direct connection request to the selected terminal; receiving a connection confirmation request sent by the selected terminal, and establishing a WI-FI Direct connection channel according to the connection confirmation request; sending a request for obtaining the offline map according to the WI-FI Direct connection channel; and receiving offline map data sent in response to the request for obtaining the offline map. According to the method and the device for obtaining the offline map, the offline map data is transmitted through the WI-FI Direct connection channel established between the terminals, so that network traffic is saved; and furthermore, as the transmission speed of WI-FI Direct reaches up to megabytes per second, the transmission can be completed in a second, and the speed of obtaining the offline map is greatly improved.
Description
Technical field
The present invention relates to data transmission technology, particularly relate to a kind of method and apparatus that obtains off-line map.
Background technology
In order to find somewhere, people often need to be by this local map.Along with scientific and technological development, people adopt electronic chart to replace paper map, by knowing route somewhere by being loaded under electronic chart on mobile terminal or directly by network online query electronic chart.
Traditional method of obtaining off-line map is by connecting the access of WI-FI focus or 2G/3G network, generally need to go up million data on flows but obtain off-line map in application, if there is no the access of WI-FI focus during in other places, need to consume the flow of 2G/3G, and speed of download is restricted.
Summary of the invention
Based on this, be necessary need to consume a large amount of network traffics and the slower problem of speed of download for the existing off-line map that obtains, provide a kind of energy saving network flow and acquisition speed to obtain faster the method for off-line map.
In addition, be also necessary to provide a kind of energy saving network flow and acquisition speed to obtain faster the device of off-line map.
A method of obtaining off-line map, comprises the steps:
Search terminal, obtains and chooses the terminal that will connect;
Initiate WI-FI Direct connection request to the described terminal of choosing;
The confirmation connection request that the terminal of choosing described in reception sends, sets up WI-FI Direct connecting path according to described confirmation connection request;
Send off-line map according to described WI-FI Direct connecting path and obtain request;
Receive the diagram data off-line that the request of obtaining of the described off-line map of response sends.
Therein in an embodiment, the step that described reception responds the diagram data off-line that the request of obtaining of described off-line map sends comprises:
Receive the diagram data off-line that the request of obtaining of the described off-line map of response sends in data fragmentation mode.
In an embodiment, described method also comprises step therein:
Send and received the confirmation of diagram data off-line;
Connection request is closed in reception;
Described in response, close connection request and close described WI-FI Direct connecting path.
In an embodiment, described method also comprises step therein:
When off-line Map Data Transmission does not complete and described WI-FI Direct connecting path while disconnecting, re-establish described WI-FI Direct connecting path, and diagram data off-line described in again receiving.
In an embodiment, described method also comprises step therein:
When off-line Map Data Transmission do not complete and described WI-FI Direct connecting path disconnect time, re-establish described WI-FI Direct connecting path;
Send the state of diagram data off-line having received;
Receive the remaining diagram data off-line sending according to the described state of diagram data off-line having received.
A device that obtains off-line map, comprising:
Search module, for search terminal, and obtains and chooses the terminal that will connect;
Connection request initiation module, for initiating WI-FI Direct connection request to the described terminal of choosing;
Connecting path is set up module, and the confirmation connection request sending for the terminal of choosing described in receiving, sets up WI-FI Direct connecting path according to described confirmation connection request;
Such map requests initiation module, obtains request for sending off-line map according to described WI-FI Direct connecting path;
Receiver module, the diagram data off-line sending for receiving the request of obtaining of the described off-line map of response.
In an embodiment, described receiver module also responds for receiving the diagram data off-line that the request of obtaining of described off-line map sends in data fragmentation mode therein.
In an embodiment, described device also comprises therein:
Confirmation sending module, receives the confirmation of diagram data off-line for sending;
Turn-off request receiver module, closes connection request for receiving;
Connection closed module, closes described WI-FI Direct connecting path for closing connection request described in responding.
Therein in an embodiment, when described connecting path is set up module also described WI-FI Direct connecting path is disconnected for not completing when off-line Map Data Transmission, the described WI-FI Direct connecting path re-establishing;
Described receiver module is also for diagram data off-line described in again receiving.
In an embodiment, described device also comprises status send module therein,
Described connecting path set up module also for not completing when off-line Map Data Transmission described WI-FIDirect connecting path disconnect time, re-establish described WI-FI Direct connecting path;
Described status send module is also for sending the state of diagram data off-line having received;
Described receiver module is also for receiving the remaining diagram data off-line sending according to the described state of diagram data off-line having received.
The above-mentioned method and apparatus that obtains off-line map, by the direct-connected path transmitting offline of the WI-FI Direct map datum of setting up between terminal, save network traffics, and because WI-FI Direct transmission speed is with million calculating, can reach a second effect for biography, greatly improve acquisition speed.
Brief description of the drawings
Fig. 1 is the method flow schematic diagram that obtains off-line map in an embodiment;
Fig. 2 is the method flow schematic diagram that obtains off-line map in another embodiment;
Fig. 3 is the structural representation that obtains the device of off-line map in an embodiment;
Fig. 4 is the structural representation that obtains the device of off-line map in another embodiment;
Fig. 5 is two terminals are carried out transfer of data sequential chart by WI-FI Direct.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the technical scheme of the method and apparatus that obtains off-line map is described in detail, so that it is clearer.
As shown in Figure 1, in one embodiment, a kind of method of obtaining off-line map, comprises the steps:
Step S110, search terminal, obtains and chooses the terminal that will connect.
First, before search terminal, need to open WI-FI Direct linkage function, when search, the terminal searching also needs to open WI-FI Direct linkage function.When searching after multiple terminals, can manually select a terminal that will connect.Know in advance in this terminal and stored diagram data off-line, so can facilitate follow-up direct transmitting offline map datum.
WI-FI Direct refers to that equipment in wireless network is without interconnecting by wireless router.Utilize WI-FI Direct allow and realize and being connected to each other whenever and wherever possible between terminal, do not need WIFI access point or router.
Step S120, initiates WI-FI Direct connection request to the terminal of choosing.
Step S130, the confirmation connection request that the terminal that reception is chosen sends, sets up WI-FI Direct connecting path according to confirmation connection request.
Step S140, sends off-line map according to WI-FI Direct connecting path and obtains request.
Step S150, receives the diagram data off-line that the request of obtaining of the described off-line map of response sends.
Concrete, terminal receives off-line map and obtains after request, while there is off-line diagram data, responds the request of obtaining of this off-line map and returns to diagram data off-line if detect, there is not diagram data off-line if detect, return to the nothing information of diagram data off-line.
The above-mentioned method of obtaining off-line map, by the direct-connected path transmitting offline of the WI-FI Direct map datum of setting up between terminal, save network traffics, and because WI-FI Direct transmission speed is with million calculating, can reach a second effect for biography, greatly improve acquisition speed.
Further, in one embodiment, the step of the diagram data off-line that the request of obtaining of reception response off-line map sends comprises: receive and respond the diagram data off-line that the request of obtaining of described off-line map sends in data fragmentation mode.
Concrete, the terminal that has had a diagram data off-line off-line diagram data is divided into multiple bursts, then with the mode burst transmission one by one of data fragmentation.Check errors after receiving data fragmentation, can carry out data check to the data fragmentation receiving, if can ask wrong data fragmentation to resend.
Further, in an example, the above-mentioned method of obtaining off-line map, also comprises step: when off-line Map Data Transmission do not complete and WI-FI Direct connecting path disconnect time, re-establish WI-FI Direct connecting path, and again receive diagram data off-line.
Because the speed of WI-FI Direct transmission is with million calculating, in diagram data transmitting procedure off-line, occur connecting and disconnect while causing transfer of data to be interrupted, can re-establish connection, lay equal stress on and newly transmit diagram data off-line, can reduce data and occur wrong probability, and not need the expensive time.
Further, in one embodiment, the above-mentioned method of obtaining off-line map, also comprises step: when off-line Map Data Transmission do not complete and WI-FI Direct connecting path disconnect time, re-establish WI-FI Direct connecting path; Send the state of diagram data off-line having received; Receive the remaining diagram data off-line sending according to the state of diagram data off-line having received.
Concrete, in diagram data transmitting procedure off-line, occur connecting and disconnect while causing transfer of data to be interrupted, can re-establish connection, and can continue to receive remaining diagram data off-line according to transmitting breakpoint place last time.By breakpoint transmission, can save the transmission time.
Further, in one embodiment, as shown in Figure 2, the above-mentioned method of obtaining off-line map, also comprises step:
Step S210, sends and has received the confirmation of diagram data off-line.
Step S220, receives and closes connection request.
Step S230, responds this and closes connection request and close this WI-FI Direct connecting path.
By closing this WI-FI Direct connecting path, to save the electric weight of terminal.
As shown in Figure 3, in one embodiment, a kind of device that obtains off-line map, comprises that search module 110, connection request initiation module 120, connecting path set up module 130, such map requests initiation module 140 and receiver module 150.Wherein:
Search module 110, for search terminal, and obtains and chooses the terminal that will connect.
First, before search terminal, need to open WI-FI Direct linkage function, when search module 110 is searched for, the terminal searching also needs to open WI-FI Direct linkage function.When searching after multiple terminals, can manually select a terminal that will connect.Know in advance in this terminal and stored diagram data off-line, so can facilitate follow-up direct transmitting offline map datum.
Connection request initiation module 120, initiates WI-FI Direct connection request for the terminal of choosing to this.
Connecting path is set up module 130, and the confirmation connection request sending for receiving this terminal of choosing, sets up WI-FI Direct connecting path according to described confirmation connection request.
Such map requests initiation module 140, obtains request for sending off-line map according to this WI-FI Direct connecting path.
Receiver module 150, the diagram data off-line sending for receiving the request of obtaining of this off-line map of response.
Concrete, terminal receives off-line map and obtains after request, while there is off-line diagram data, responds the request of obtaining of this off-line map and returns to diagram data off-line if detect, there is not diagram data off-line if detect, return to the nothing information of diagram data off-line.
The above-mentioned device that obtains off-line map, by the direct-connected path transmitting offline of the WI-FI Direct map datum of setting up between terminal, save network traffics, and because WI-FI Direct transmission speed is with million calculating, can reach a second effect for biography, greatly improve acquisition speed.
Further, in one embodiment, the diagram data off-line that receiver module 150 also sends in data fragmentation mode for receiving the request of obtaining of this off-line map of response.
Concrete, the terminal that has had a diagram data off-line off-line diagram data is divided into multiple bursts, then with the mode burst transmission one by one of data fragmentation.Check errors after receiving data fragmentation, can carry out data check to the data fragmentation receiving, if can ask wrong data fragmentation to resend.
Further, in one embodiment, when connecting path is set up module 130 also this WI-FI Direct connecting path is disconnected for not completing when off-line Map Data Transmission, this WI-FI Direct connecting path re-establishing.
Receiver module 150 is also for again receiving diagram data off-line.
Because the speed of WI-FI Direct transmission is with million calculating, in diagram data transmitting procedure off-line, occur connecting and disconnect while causing transfer of data to be interrupted, can re-establish connection, lay equal stress on and newly transmit diagram data off-line, can reduce data and occur wrong probability, and not need the expensive time.
Further, in one embodiment, the above-mentioned device that obtains off-line map also comprises status send module.Connecting path set up module 130 also for not completing when off-line Map Data Transmission described WI-FIDirect connecting path disconnect time, re-establish described WI-FI Direct connecting path.
This status send module is also for sending the state of diagram data off-line having received.
Receiver module 150 is also for receiving the remaining diagram data off-line sending according to the described state of diagram data off-line having received.
Concrete, in diagram data transmitting procedure off-line, occur connecting and disconnect while causing transfer of data to be interrupted, can re-establish connection, and can continue to receive remaining diagram data off-line according to transmitting breakpoint place last time.By breakpoint transmission, can save the transmission time.
Further, as shown in Figure 4, in one embodiment, the above-mentioned device that obtains off-line map, except comprising that search module 110, connection request initiation module 120, connecting path set up module 130, such map requests initiation module 140 and receiver module 150, also comprise confirmation sending module 160, turn-off request receiver module 170 and connection closed module 180.Wherein:
Confirmation sending module 160, receives the confirmation of diagram data off-line for sending.
Turn-off request receiver module 170, closes connection request for receiving.
Connection closed module 180, closes connection request and closes this WI-FI Direct connecting path for responding this.
For the course of work of the above-mentioned method and apparatus that obtains off-line map is described, be specifically described as an example of two terminals example.First terminal is the originating end that obtains off-line map, and the second terminal is for providing the providing end of off-line map, is illustrated in figure 5 two terminals and carries out the sequential chart of transfer of data, and detailed process is:
(1) first two terminals are all opened WIFI, and the second terminal sends broadcast.
(2) first terminal scanning device, choosing the second terminal is the equipment that will connect.
Search module 110 search equipments on first terminal, and to choose the second terminal be the equipment that will connect.
(3) first terminal is initiated connection request to the second terminal.
Connection request initiation module 120 on first terminal is initiated connection request.
(4) second terminal check connection requests.
Connecting path on first terminal is set up module 120 and is received the confirmation connection request that the second terminal sends, and allows first terminal and the second terminal set up WI-FI Direct connecting path.
(5) first terminal sends the off-line such map requests that will obtain to the second terminal.
Such map requests initiation module 140 on first terminal sends off-line map to the second terminal and obtains request.
(6) second terminals are returned to response, represent that receiving off-line map obtains request.
(7) second terminals send off-line diagram data burst to first terminal.
Loop(circulation) burst transmission, until all data fragmentations send.
(8) first terminal returns to the state having received to the second terminal.
The range having received is returned to the second terminal by first terminal.
(9) when the second terminal receives the confirmation finishing receiving that first terminal sends, initiate to close connection request to first terminal.
(10) first terminal receives and closes connection request, sends and closes connection response to the second terminal.
First terminal and the second terminal all can be mobile phone, ipad, palmtop PC etc.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method of obtaining off-line map, comprises the steps:
Search terminal, obtains and chooses the terminal that will connect;
Initiate WI-FI Direct connection request to the described terminal of choosing;
The confirmation connection request that the terminal of choosing described in reception sends, sets up WI-FI Direct connecting path according to described confirmation connection request;
Send off-line map according to described WI-FI Direct connecting path and obtain request;
Receive the diagram data off-line that the request of obtaining of the described off-line map of response sends.
2. the method for obtaining off-line map according to claim 1, is characterized in that, described reception responds the step of diagram data off-line that the request of obtaining of described off-line map sends and comprises:
Receive the diagram data off-line that the request of obtaining of the described off-line map of response sends in data fragmentation mode.
3. the method for obtaining off-line map according to claim 2, is characterized in that, described method also comprises step:
Send and received the confirmation of diagram data off-line;
Connection request is closed in reception;
Described in response, close connection request and close described WI-FI Direct connecting path.
4. the method for obtaining off-line map according to claim 1, is characterized in that, described method also comprises step:
When off-line Map Data Transmission does not complete and described WI-FI Direct connecting path while disconnecting, re-establish described WI-FI Direct connecting path, and diagram data off-line described in again receiving.
5. the method for obtaining off-line map according to claim 1, is characterized in that, described method also comprises step:
When off-line Map Data Transmission do not complete and described WI-FI Direct connecting path disconnect time, re-establish described WI-FI Direct connecting path;
Send the state of diagram data off-line having received;
Receive the remaining diagram data off-line sending according to the described state of diagram data off-line having received.
6. a device that obtains off-line map, is characterized in that, comprising:
Search module, for search terminal, and obtains and chooses the terminal that will connect;
Connection request initiation module, for initiating WI-FI Direct connection request to the described terminal of choosing;
Connecting path is set up module, and the confirmation connection request sending for the terminal of choosing described in receiving, sets up WI-FI Direct connecting path according to described confirmation connection request;
Such map requests initiation module, obtains request for sending off-line map according to described WI-FI Direct connecting path;
Receiver module, the diagram data off-line sending for receiving the request of obtaining of the described off-line map of response.
7. the device that obtains off-line map according to claim 6, is characterized in that, the diagram data off-line that described receiver module also sends in data fragmentation mode for receiving the request of obtaining of the described off-line map of response.
8. the device that obtains off-line map according to claim 7, is characterized in that, described device also comprises:
Confirmation sending module, receives the confirmation of diagram data off-line for sending;
Turn-off request receiver module, closes connection request for receiving;
Connection closed module, closes described WI-FI Direct connecting path for closing connection request described in responding.
9. the device that obtains off-line map according to claim 6, it is characterized in that, described connecting path set up module also for not completing when off-line Map Data Transmission described WI-FI Direct connecting path disconnect time, the described WI-FI Direct connecting path re-establishing;
Described receiver module is also for diagram data off-line described in again receiving.
10. the device that obtains off-line map according to claim 6, is characterized in that, described device also comprises status send module,
Described connecting path set up module also for not completing when off-line Map Data Transmission described WI-FI Direct connecting path disconnect time, re-establish described WI-FI Direct connecting path;
Described status send module is also for sending the state of diagram data off-line having received;
Described receiver module is also for receiving the remaining diagram data off-line sending according to the described state of diagram data off-line having received.
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| CN201310019339.1A CN103945565B (en) | 2013-01-18 | 2013-01-18 | The method and apparatus for obtaining offline map |
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| CN201310019339.1A CN103945565B (en) | 2013-01-18 | 2013-01-18 | The method and apparatus for obtaining offline map |
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| CN112344956A (en) * | 2020-11-05 | 2021-02-09 | 腾讯科技（深圳）有限公司 | Map display method and device |
| CN114501323A (en) * | 2021-12-30 | 2022-05-13 | 珠海原子科技有限公司 | Forest intelligent navigation system and method |
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| CN103945565B (en) | 2019-01-11 |
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Effective date of registration: 20210924 Address after: 518057 Tencent Building, No. 1 High-tech Zone, Nanshan District, Shenzhen City, Guangdong Province, 35 floors Patentee after: TENCENT TECHNOLOGY (SHENZHEN) Co.,Ltd. Patentee after: TENCENT CLOUD COMPUTING (BEIJING) Co.,Ltd. Address before: 2, 518044, East 403 room, SEG science and Technology Park, Zhenxing Road, Shenzhen, Guangdong, Futian District Patentee before: TENCENT TECHNOLOGY (SHENZHEN) Co.,Ltd. |
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