CN104236544A - Map data downloading method and navigation device - Google Patents
Map data downloading method and navigation device Download PDFInfo
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- CN104236544A CN104236544A CN201410530882.2A CN201410530882A CN104236544A CN 104236544 A CN104236544 A CN 104236544A CN 201410530882 A CN201410530882 A CN 201410530882A CN 104236544 A CN104236544 A CN 104236544A
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- navigator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
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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
- H04L67/53—Network services using third party service providers
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a map data downloading method and a navigation device and belongs to the navigation field. The method comprises the following steps of: connecting the navigation device into a server; transmitting navigation information to the server; confirming electronic map regions according to the navigation information; downloading electronic map data in the electronic map regions from the server and storing them into the navigation device. By the map downloading method, corresponding regions can be selected according to requirements to download the electronic map data, in comparison with the method for downloading the entire map, downloading time and flow, and storage space can be saved.
Description
Technical field
The present invention relates to location-based service technology, particularly relate to a kind of map datum method for down loading and navigator.
Background technology
Navigator refers to the equipment with position service function and correlation function thereof, its principle of work is the position coordinates of navigator determination ad-hoc location, it is mated with the position coordinates recorded in the electronic chart self stored, determines with this accurate location of navigation object in electronic chart carrying this navigator.Navigator can be car-mounted terminal, portable navigation device, mobile phone terminal etc.Navigation object can be vehicle, pedestrian etc.After user sets departure place and destination, navigator can calculate guidance path, and is user's navigation according to the guidance path calculated.
At present, due to the limited storage space of navigator, as being all preset in equipment by all electronic map datas, will take a large amount of storage spaces, storage space is even not enough sometimes.In prior art, the list select target position affiliated area that user can be provided by navigation software, and the request and then beginning downloading data of downloading this regional Electronic map datum is sent to server.The regional Electronic map datum amount of such download is equally comparatively large, and user only may need the sub-fraction that uses wherein when using the electronic map data in this region.The electronic map data downloading whole region needs the regular hour, and during as used non-free nets to download, also will cause a large amount of data traffic losses, and increasing the use cost of user.When navigator carries out navigation path planning, normally used is locally diagram data.Often exist and lack partly diagram data or upgrade not in time due to local data, cause planned path and actual conditions deviation to some extent, bring defecate very much to user's use.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of map method for down loading and navigator, facilitates user selectively to download electronic map data.
For solving the problems of the technologies described above, the invention provides a kind of map datum method for down loading, comprising the following steps:
Navigator is connected to server;
Navigation information is sent to described server;
According to described navigation information determination electronic chart region;
Download the electronic map data in described electronic chart region from described server, be stored to described navigator.
The embodiment of the present invention provides a kind of navigator, comprising:
Linkage unit, for connecting with server;
Transmitting element, for being sent to described server by navigation information;
Map datum download unit, for the electronic map data in the electronic chart region that Download Server is determined according to navigation information;
Storage unit, for storing the electronic map data that described map datum download unit is downloaded.
Beneficial effect of the present invention is: achieve selectivity and download the electronic map data with navigation information relevant range, and whole electronic map datas need not be downloaded, when not affecting user and using, not only save downloading flow, and shorten download time, promote Consumer's Experience, reduce customer using cost, convenient for users.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The map datum method for down loading process flow diagram that Fig. 1 provides for the embodiment of the present invention;
The formation schematic diagram of the navigator that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the map datum method for down loading process flow diagram that the embodiment of the present invention one provides;
Fig. 4 is the map datum method for down loading process flow diagram that the embodiment of the present invention two provides;
Fig. 5 is the map datum method for down loading process flow diagram that the embodiment of the present invention three provides;
Fig. 6 is the map datum method for down loading process flow diagram that the embodiment of the present invention four provides;
Fig. 7 is the formation schematic diagram of the navigator that the embodiment of the present invention five provides.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of map datum method for down loading, comprises the following steps:
1, navigator is connected to server;
2, navigation information is sent to described server;
3, according to described navigation information determination electronic chart region;
4, download the electronic map data in described electronic chart region from described server, be stored to described navigator.
Described navigation information comprises any one in following information:
(1) positional information of current location determined of described navigator;
(2) the destination locations information determined according to user instruction of described navigator;
(3) the specified scope region determined according to user operation of described navigator;
(4) departure place positional information, the destination locations information determined according to user instruction of described navigator.
When described navigation information is the positional information of the current location that described navigator is determined, the described electronic chart region determined according to described navigation information is the region in current location periphery preset range.
Described navigation information be described navigator determine according to user instruction destination locations information time, the described electronic chart region determined according to described navigation information is the region in the periphery preset range of described destination.
Described navigation information be described navigator determine specified scope region time, the described region according to described navigation information determination electronic chart is described specified scope region.
Described navigation information be described navigator determine departure place positional information, destination locations information time, describedly according to described navigation information determination electronic chart region be: carry out path planning according to described departure place positional information, destination locations information, obtain guidance path, determine that the region in guidance path periphery preset range is described electronic chart region.
Also comprised download the electronic map data in described electronic chart region from described server before:
5, judge whether the network that described navigator is connected with described server is free nets, if not, sends information to user, select whether carry out next step by user and operate; If so, then described electronic map data is downloaded from described server.
As shown in Figure 2, the embodiment of the present invention provides a kind of navigator, comprising:
Linkage unit 201, for connecting with server;
Transmitting element 202, for being sent to described server by navigation information;
Map datum download unit 203, for the electronic map data in the electronic chart region that Download Server is determined according to navigation information;
Storage unit 204, for storing the electronic map data that described map datum download unit is downloaded.
Described navigation information comprises any one in following information:
(1) positional information of current location determined of described navigator;
(2) the destination locations information determined according to user instruction of described navigator;
(3) the specified scope region determined according to user operation of described navigator;
(4) departure place positional information, the destination locations information determined according to user instruction of described navigator.
When described navigation information is the positional information of the current location that described navigator is determined, the described electronic chart region determined according to described navigation information is the region in current location periphery preset range.
Described navigation information be described navigator determine according to user instruction destination locations information time, the described electronic chart region determined according to described navigation information is the region in the periphery preset range of described destination.
Described navigation information be described navigator determine specified scope region time, the described region according to described navigation information determination electronic chart is described specified scope region.
Described navigation information be described navigator determine departure place positional information, destination locations information time, describedly according to described navigation information determination electronic chart region be: carry out path planning according to described departure place positional information, destination locations information, obtain guidance path, determine that the region in guidance path periphery preset range is described electronic chart region.
Also comprised download the electronic map data in described electronic chart region from described server before:
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment one
The present embodiment provides a kind of map datum method for down loading, and flow process can refer to Fig. 3, comprises the following steps:
301, navigator is connected to server;
Connected mode can be: GPRS, WCDMA, TD-SCDMA, CDMA2000, wifi network etc.This server is the server of Online Map service provider.
302, the positional information of navigator determination current location, and this positional information is sent to server;
Concrete, determine that the positional information of current location is determined by GPS, the Big Dipper, gyroscope or base station.
303, server is according to the positional information determination electronic chart region of described current location; Described electronic chart region is the region in current location periphery preset range.Region in current location periphery preset range is with current location point for the center of circle, the border circular areas being radius with a preset value.Preset range is preset by server, or is preset by navigator and be sent to server by navigator.
304, navigator downloads the map datum of described current location periphery preset range inner region from this server.
Preferably, also comprised before 304: 305, judge whether the network connected is free nets, if so, then performs 304, if not, sends information to user, select whether carry out next step operate by user.
If judge, the network connected is the free netses such as wifi network, then continue to perform next step.If judge, connected network is GPRS, WCDMA etc. when needing the charge network of flow, then point out user whether to carry out ensuing operation, performing and may consume more flow, selecting for user as continued.
Also comprise after 301, before 304:
306, judge whether described current location periphery electronic map data is stored in this navigator, if not, then navigator sends the solicited message downloading current location periphery electronic map data to server; If so, then terminate.
Embodiment two
The present embodiment provides a kind of map datum method for down loading, and flow process can refer to Fig. 4, comprises the following steps:
401, navigator is connected to server;
Connected mode can be: GPRS, WCDMA, TD-SCDMA, CDMA2000, wifi network etc.This server is the server of Online Map service provider.
402, navigator determines destination according to user operation instruction, and destination locations information is sent to server; Destination can input acquisition by user;
403, server is according to described destination locations information determination electronic chart region; The region in periphery preset range, ground for the purpose of described electronic chart region.Region in the periphery preset range of destination take destination as the center of circle, the border circular areas being radius with a preset value.Preset range is preset by server, or is preset by navigator and be sent to server by navigator.
404, navigator downloads the map datum of described destination periphery preset range inner region from this server.
Preferably, also comprised before 404: 405, judge whether the network connected is free nets, if so, then performs S4, if not, sends information to user, select whether carry out next step operate by user.
If judge, the network connected is the free netses such as wifi network, then continue to perform next step.If judge, connected network is GPRS, WCDMA etc. when needing the charge network of flow, then point out user whether to carry out ensuing operation, performing and may consume more flow, selecting for user as continued.
After 401, also comprised before 404:
406, judge whether described destination periphery electronic map data is stored in this navigator, if not, then navigator sends the solicited message downloading destination periphery electronic map data to server; If so, then terminate.
Embodiment three
The present embodiment provides a kind of map datum method for down loading, and flow process can refer to Fig. 5, comprises the following steps:
501, navigator is connected to server;
Connected mode can be: GPRS, WCDMA, TD-SCDMA, CDMA2000, wifi network etc.This server is the server of Online Map service provider.
502, navigator is according to user operation determination specified scope region, and this specified scope region is sent to server; Described specified scope region is one piece of electronic chart region that user delimit arbitrarily, can be the one piece of electronic chart region delimited around current location;
503, server determines electronic chart region according to described specified scope region; Described electronic chart region is described specified scope region;
504, navigator downloads the electronic map data in described specified scope region from this server.
Preferably, also comprised before 504: 505, judge whether the network connected is free nets, if so, then performs S4, if not, sends information to user, select whether carry out next step operate by user.
If judge, the network connected is the free netses such as wifi network, then continue to perform next step.If judge, connected network is GPRS, WCDMA etc. when needing the charge network of flow, then point out user whether to carry out ensuing operation, performing and may consume more flow, selecting for user as continued.
Also comprise after 501, before 504:
506, judge whether the electronic map data in specified scope region is stored in this navigator, if not, then navigator sends the solicited message of the electronic map data downloading specified scope region to server; If so, then terminate.
Embodiment four
The present embodiment provides a kind of map datum method for down loading, and flow process can refer to Fig. 6, comprises the following steps:
601, navigator is connected to server;
Connected mode can be: GPRS, WCDMA, TD-SCDMA, CDMA2000, wifi network etc.This server is the server of Online Map service provider.
602, navigator determines departure place, destination, and departure place positional information, destination locations information are sent to server;
Determine that departure place is determined by the departure place information receiving user's input, also current location can be defined as departure place.Affiliated current location can be positioned by gyroscope or receiving satellite positioning signals, satellite positioning signal such as gps signal etc., and current location is defined as departure place.Determine that destination is determined by the destination information receiving user's input, also can receive the destination information sent from other equipment and determine.
603, server carries out path planning according to departure place positional information, destination locations information, obtains guidance path, and according to guidance path determination electronic chart region.Described electronic chart region is the electronic chart region in guidance path periphery preset range, is specially the electronic chart region in the predeterminable range of guidance path both sides.Described preset range is preset by server, or is preset by navigator and be sent to server by navigator.
604, navigator downloads the electronic chart region in described guidance path periphery preset range from this server.
Preferably, also comprised before 604: 605, judge whether the network connected is free nets, if so, then performs S4, if not, sends information to user, select whether carry out next step operate by user.
If judge, the network connected is the free netses such as wifi network, then continue to perform next step.If judge, connected network is GPRS, WCDMA etc. when needing the charge network of flow, then point out user whether to carry out ensuing operation, performing and may consume more flow, selecting for user as continued.
Also comprised before 604:
606, judge whether the electronic chart region in described guidance path periphery preset range is stored in this navigator, if not, then navigator sends the solicited message in the electronic chart region of downloading in described guidance path periphery preset range to server; If so, then terminate.
Also comprise after 604:
607, navigator is navigated according to guidance path, if current location exceeds the electronic chart region in guidance path periphery preset range, then from server dynamic download current location periphery electronic map data.
Embodiment five
The present embodiment provides a kind of navigator, can apply the map method for down loading of the various embodiments described above, comprise:
Linkage unit 201, for connecting with server;
Transmitting element 202, for being sent to described server by navigation information;
Map datum download unit 203, for the electronic map data in the electronic chart region that Download Server is determined according to navigation information;
Storage unit 204, for storing the electronic map data that described map datum download unit 203 is downloaded.
Described navigation information comprises any one in following information:
(1) described navigator obtains the positional information of positioning satellite signal determination current location;
(2) destination information determined according to user instruction of described navigator;
(3) the described navigator specified scope information comprising current location information of specifying according to user operation;
(4) described navigator send according to user instruction starting point, destination positional information.
When described navigation information is the positional information of the current location that described navigator is determined, the described electronic chart region determined according to described navigation information is the region in current location periphery preset range.
Described navigation information be described navigator determine according to user instruction destination locations information time, the described electronic chart region determined according to described navigation information is the region in the periphery preset range of described destination.
Described navigation information be described navigator determine specified scope region time, the described region according to described navigation information determination electronic chart is described specified scope region.
Described navigation information be described navigator determine departure place positional information, destination locations information time, describedly according to described navigation information determination electronic chart region be: carry out path planning according to described departure place positional information, destination locations information, obtain guidance path, determine that the region in guidance path periphery preset range is described electronic chart region.
Described navigator also comprises: solicited message transmitting element 705, sends for downloading server described in electronic map data forward direction at described map datum download unit 203 solicited message downloading electronic map data;
Described navigator also comprises: the first judging unit 706, for judging whether the electronic map data in the electronic chart region determined according to navigation information is stored in navigator, if then described request information transmitting unit 705 sends described request information;
Described navigator also comprises: the second judging unit 707, for judging whether connected network is free nets, if then described request information transmitting unit 705 sends described request information.
Map method for down loading provided by the invention and navigator, can select the regional location be consistent to carry out the download of electronic map data according to demand, can save download time and traffic consumes compared to the download of overall map, can save storage space simultaneously.Whether be the determining step of free nets, when using charge network, pointing out, can reduce unnecessary Flux Loss if adding.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a map datum method for down loading, is characterized in that, comprises the following steps:
Navigator is connected to server;
Navigation information is sent to described server;
According to described navigation information determination electronic chart region;
Download the electronic map data in described electronic chart region from described server, be stored to described navigator.
2. map datum method for down loading according to claim 1, is characterized in that, described navigation information comprises any one in following information:
(1) positional information of current location determined of described navigator;
(2) the destination locations information determined according to user instruction of described navigator;
(3) the specified scope region determined according to user operation of described navigator;
(4) departure place positional information, the destination locations information determined according to user instruction of described navigator.
3. map datum method for down loading according to claim 2, it is characterized in that, described navigation information is the positional information of the current location that described navigator is determined, the described electronic chart region determined according to described navigation information is the region in current location periphery preset range.
4. map datum method for down loading according to claim 2, it is characterized in that, described navigation information is the destination locations information that described navigator is determined according to user instruction, and the described electronic chart region determined according to described navigation information is the region in the periphery preset range of described destination.
5. map datum method for down loading according to claim 2, is characterized in that, described navigation information is the specified scope region that described navigator is determined, the described region according to described navigation information determination electronic chart is described specified scope region.
6. map datum method for down loading according to claim 2, it is characterized in that, described navigation information is departure place positional information, the destination locations information that described navigator is determined, describedly according to described navigation information determination electronic chart region be: carry out path planning according to described departure place positional information, destination locations information, obtain guidance path, determine that the region in guidance path periphery preset range is described electronic chart region.
7. the map datum method for down loading according to any one of claim 1 to 6, is characterized in that, also comprises before downloading the electronic map data in described electronic chart region from described server:
Judge whether the network that described navigator is connected with described server is free nets, if not, sends information to user, select whether carry out next step by user and operate; If so, then described electronic map data is downloaded from described server.
8. map datum method for down loading as claimed in claim 6, it is characterized in that, judge whether the electronic map data in the described electronic chart region determined is stored in navigator from also comprising before described server downloads the electronic map data in described electronic chart region, if not, then the electronic map data in described electronic chart region is downloaded from described server.
9. map datum method for down loading as claimed in claim 6, it is characterized in that, navigator according in guidance path navigation procedure, if current location exceeds the region in guidance path periphery preset range, then from server dynamic download current location periphery electronic chart.
10. a navigator, is characterized in that, comprising:
Linkage unit, for connecting with server;
Transmitting element, for being sent to described server by navigation information;
Map datum download unit, for the electronic map data in the electronic chart region that Download Server is determined according to navigation information;
Storage unit, for storing the electronic map data that described map datum download unit is downloaded.
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Application publication date: 20141224 |