CN105975626A - Coding method and device for geographical location information of equipment - Google Patents
Coding method and device for geographical location information of equipment Download PDFInfo
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- CN105975626A CN105975626A CN201610364079.5A CN201610364079A CN105975626A CN 105975626 A CN105975626 A CN 105975626A CN 201610364079 A CN201610364079 A CN 201610364079A CN 105975626 A CN105975626 A CN 105975626A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
- G06F40/14—Tree-structured documents
- G06F40/146—Coding or compression of tree-structured data
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Abstract
The invention provides a coding method and device for geographical location information of equipment. The coding method and device are used for solving the problem of data redundancy in a present coding mode for geographical location information of equipment. The method includes the steps that the current geographical location information of the equipment is acquired; the acquired geographical location information is coded with a code corresponding to the geographical location; the coded geographical location information is stored in the equipment. According to the scheme, the data overhead is reduced.
Description
Technical field
The present invention relates to communication field, particularly relate to coded method and the dress of a kind of device geographical location information
Put.
Background technology
Along with the rise of intelligent appliance, in life, intelligent appliance equipment gets more and more, and the most simple and quick determines
Position equipment, and targeted by LBS (Location Based Service, based on location-based service) system
Provide related data to equipment, or send instruction, be the more intelligent premise of equipment.
Description for device geographical location information generally uses longitude and latitude to state.Longitude and latitude can provide essence
True positional information, but when using positional information, in addition it is also necessary to pair warp and weft degrees of data processes, and obtains
Significant information, such as: country, city etc..In order to improve the processing speed of system, the most most
The information such as solution is to add one or more attribute again for describing city, country.
At present, existing positional information coded system is in order to obtain significant positional information with accurate simultaneously
Latitude and longitude information, needs to be transmitted, with often two kinds of information of attribute of latitude and longitude information and interpolation simultaneously
JSON form as a example by, the information of transmission is as follows:
" national ": " Chinese ", " province ": " Shandong ", " city ": " Qingdao ", " latitude ": " 36.07 ", " longitude ":
"120.33"}
Taking 90 bytes in this example altogether, country, province and city belong to extension information, and longitude and latitude belongs to
Back ground Information.Only retain Back ground Information, then need 36 bytes.As can be seen here, extension information occupies greatly
The space of amount, the extension information in example is relatively simple, if more complicated data, can use more
Space.Therefore, the software that great majority use at home can omit country, uses city codes to represent province
And city, although do so can reduce the use in space in certain degree, improve efficiency of transmission,
But owing to having lacked national information, being unfavorable for the internationalization of software, increase maintenance cost, secondly, city is believed
Breath itself has implied latitude and longitude information, and coded system as above causes data redundancy equally.
Summary of the invention
The present invention provides coded method and the device of a kind of device geographical location information, in order to solve current equipment
The problem that geographical location information coded system exists data redundancy.
According to an aspect of the invention, it is provided the coded method of a kind of device geographical location information, it is special
Levy and be, including: obtain the geographical location information that equipment is current；The geographical location information got is passed through
The code corresponding with geographical position encodes；
Geographical location information after coding is stored in a device.
Wherein, the code corresponding with geographical position, including: the name of the administrative region of city and city subordinate
Claim corresponding with its administrative stroke of code, and country's title is corresponding with the country code of international uniform.
Wherein, the geographical location information the got use code corresponding with geographical position is encoded, bag
Include: use the code corresponding with geographical position and geographical position relative to its city, place through, latitudinal offset
Amount encodes, or, use the warp in geographical position, latitude coordinate to encode, the geography after being encoded
Positional information.
Wherein, obtain the current geographical location information of equipment, including: obtain current through, latitude coordinate,
The title in geographical position is obtained according to warp, latitude coordinate；The geographical location information got use code is entered
Row coding, including following two coded system: if get the city in geographical position according to warp, latitude coordinate
City's title, then use city name and geographical position to enter relative to warp, the latitudinal offset amount in its city, place
Row coding, if according to not getting the city name in geographical position through, latitude coordinate, then uses through, latitude
Degree coordinate encodes.
Wherein, the geographical location information after coding, including: the flag of coded system, country code, city
City's code and geographical position relative to its city, place through, latitudinal offset amount or only include geographical position
Warp, latitude coordinate.
According to the second aspect of the invention, it is provided that the code device of a kind of device geographical location information, bag
Include: acquisition module, for obtaining the geographical location information that equipment is current；Coding module, for getting
Geographical location information encoded by the code corresponding with geographical position；
Memory module, for storing the geographical location information after coding in a device.
Wherein, the code corresponding with geographical position, including: the name of the administrative region of city and city subordinate
Claim corresponding with its administrative stroke of code, and country's title is corresponding with the country code of international uniform.
Wherein, above-mentioned coding module specifically for: use the code corresponding with geographical position and geographical position
The warp in its city, place, latitudinal offset amount relatively encodes, or, use the warp in geographical position, latitude to sit
Mark encodes, the geographical location information after being encoded.
Wherein, above-mentioned acquisition module specifically for: obtain current through, latitude coordinate, according to through, latitude
Coordinate obtains the title in geographical position；Coding module specifically for: if got according to through, latitude coordinate
The city name in geographical position, then use the warp in city name and geographical position its city, place relatively, latitude
Degree side-play amount encodes, if do not get the city name in geographical position according to warp, latitude coordinate,
Then use and encode through, latitude coordinate.
Wherein, the geographical location information after coding, including: the flag of coded system, country code, city
City's code and geographical position relative to its city, place through, latitudinal offset amount or only include geographical position
Warp, latitude coordinate.
The present invention has the beneficial effect that:
The scheme that the present embodiment provides, by equipment is positioned, it is thus achieved that the geographical location information of equipment,
Then store after the geographical location information of equipment being encoded, save accessing cost for data.
Accompanying drawing explanation
Fig. 1 is the flow chart of the coded method of device geographical location information in the embodiment of the present invention 1；
Fig. 2 is the system architecture diagram related in the embodiment of the present invention 2；
Fig. 3 is the flow chart of the coded method of device geographical location information in the embodiment of the present invention 2；
Fig. 4 is the structured flowchart of the code device of device geographical location information in the embodiment of the present invention 3.
Detailed description of the invention
In order to there is asking of data redundancy in the coded system solved in prior art device geographical location information
Topic, the invention provides coded method and the device of a kind of device geographical location information, below in conjunction with accompanying drawing with
And embodiment, the present invention is further elaborated.Should be appreciated that described herein being embodied as
Example, only in order to explain the present invention, does not limit the present invention.
Embodiment 1
Present embodiments providing the coded method of a kind of device geographical location information, the method can have control eventually
End performs, it is also possible to by having positioning function and the controlled device with server communication function performs,
Fig. 1 is the flow chart of the coded method of the device geographical location information that embodiment 1 provides, as it is shown in figure 1,
The method comprises the steps:
Step 101: obtain the geographical location information that equipment is current；
Wherein, this step specifically may include that and obtains current warp, latitude coordinate, according to through, latitude seat
Mark obtains the title in geographical position.
Step 102: the geographical location information got is encoded by the code corresponding with geographical position；
Wherein, corresponding with geographical position code specifically may include that city and the administrative area of city subordinate
Administrative stroke of code of the title in territory and its is corresponding, and country's title is corresponding with the country code of international uniform.
In this step, following two coded system can specifically be related to:
The geographical location information the got use code corresponding with geographical position is encoded, including:
Use the code corresponding with geographical position and geographical position relative to its city, place through, latitudinal offset
Amount encodes, or, use the warp in geographical position, latitude coordinate to encode, the geography after being encoded
Positional information.
As for concrete use in above two coded system any, and whether get current geographic position
Title relevant, concrete condition is as follows:
If in above-mentioned steps 101, get the city name in geographical position according to warp, latitude coordinate,
City name and geographical position is then used to encode relative to warp, the latitudinal offset amount in its city, place,
If according to not getting the city name in geographical position through, latitude coordinate, then use and enter through, latitude coordinate
Row coding.
Step 103: the geographical location information after coding is stored in a device.
Use aforesaid way geographical location information is encoded after geographical location information the most permissible
Including herein below:
The flag of coded system, country code, city codes and geographical position are relative to its city, place
Warp, latitudinal offset amount or only include the warp in geographical position, latitude coordinate.
Embodiment 2
The coding staff of device geographical location information that the present invention is also provided by the present embodiment by concrete example
Method is further detailed:
The basic thought of the present embodiment is to use international and that national standard code replacement is original character string information,
In advance known city codes and latitude and longitude information are stored in data base, when storing positional information, only
The code of storage urban information and longitude and latitude side-play amount, to reduce data volume.
Situation shown in table 1 is after obtaining urban information according to current latitude and longitude coordinates, if got
Urban information, code and the current location longitude and latitude side-play amount apart from city using city name corresponding is entered
Row coding, the front 32bit in the geographical position after being encoded, which depict the urban information part after coding.
Table 1
Table 2 shows that rear 32bit describes the current geographic position longitude and latitude side-play amount relative to its city, place
Information:
Table 2
For not inquiring the geographical position of urban information, the most directly store longitude and latitude, to ensure the complete of data
Whole property, its coded system is as shown in table 3 below:
Table 3
Wherein, when the value of skew code identification position is 1, represent that the mode using urban information and side-play amount is retouched
Stating the geographical location information of equipment, 0 represents the geographical position letter using original latitude and longitude coordinates to retouch equipment
Breath；Preferably, in the present embodiment, country code uses the digital coding in ISO-3166-1:2013,
The administrative division code that domestic city code can use State Statistics Bureau to issue on April 15th, 2015 (cuts
Only on October 31st, 2014), this administrative division code can describe the above administrative division in county and county.Do not look into
Ask and arrive city, the original longitude and latitude of direct coding.Herein, the latitude and longitude coordinates only using geographical position is entered
The mode of row coding is briefly described: wherein, the span of longitude is ± 180 °, the value of latitude
Scope is ± 90 °, retains six position effective digitals, is accurate to rice, therefore uses 30bit just can preserve
Whole data.Shown in table 4 specific as follows:
Table 4
| Position | 1 | 2 | 3-30 |
| Example | 0 | 0 | 0111001011000001011100010000 |
| Integer | 0 | 0 | 120330000 |
| Implication | Sign bit | Retain | Longitude or latitude |
As in figure 2 it is shown, the system involved by the present embodiment includes server, terminal and three parts of equipment,
These three part is connected by router, and wherein, terminal is responsible for location and coding, and server is used for storing city
City's information, terminal geographical location information after storing self coding.
Based on said system structure, the flow process such as Fig. 3 in the present embodiment, the geographical position of equipment encoded
Shown in, specifically can include processing as follows:
First, it is ensured that controlled device and control terminal are already connected under same router；
The positioning function opened a terminal, obtains current latitude and longitude coordinates, if the coordinate that user is to automatically obtaining
Dissatisfied, can be adjusted on map.
Terminal inquires about conventional city letter according to the geographical location information that location obtains in the data base of prepackage
Breath；
Judge whether to inquire urban information, if the data of being successfully obtained, then carry out longitude and latitude side-play amount coding,
Otherwise to server request data；If server returns Urban Data, then carry out side-play amount coding, otherwise make
The latitude and longitude coordinates acquired with location encodes；
Data after coding are stored equipment by terminal.
Embodiment 3
Present embodiments providing the code device of a kind of device geographical location information, this device is used for realizing above-mentioned
The coded method of the device geographical location information that example 1 and embodiment 2 provide, this device of this device is permissible
Integrated in the terminal, it is also possible to integrated in a device, Fig. 4 is the structured flowchart of this device 40, such as Fig. 4
Shown in, including following ingredient:
Acquisition module 41, obtains current geographical location information for equipment；
Coding module 42, for entering the geographical location information got by the code corresponding with geographical position
Row coding；
Wherein, corresponding with geographical position code specifically may include that city and the administrative area of city subordinate
Administrative stroke of code of the title in territory and its is corresponding, and country's title is corresponding with the country code of international uniform.
Memory module 43, for storing the geographical location information after coding in a device.
Wherein, above-mentioned coding module 42 specifically for:
Use the code corresponding with geographical position and geographical position relative to its city, place through, latitudinal offset
Amount encodes, or, use the warp in geographical position, latitude coordinate to encode, the geography after being encoded
Positional information.
Further, above-mentioned acquisition module 41 specifically for: obtain current through, latitude coordinate, according to
Warp, latitude coordinate obtain the title in geographical position；Based on this, above-mentioned coding module 42 specifically for: as
Fruit gets the city name in geographical position according to warp, latitude coordinate, then use city name and geographical position
Put the warp in its city, place, latitudinal offset amount relatively to encode, if do not obtained according to warp, latitude coordinate
Get the city name in geographical position, then use and encode through, latitude coordinate.
Wherein, the geographical location information after coding specifically may include that the flag of coded system, country's generation
Warp, the latitudinal offset amount in code, city codes and geographical position its city, place relatively or only include geography
The warp of position, latitude coordinate.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will
It is also possible for recognizing various improvement, increasing and replace, therefore, on the scope of the present invention should be not limited to
State embodiment.
Claims (10)
1. the coded method of a device geographical location information, it is characterised in that including:
The geographical location information that acquisition equipment is current；
The geographical location information got is encoded by the code corresponding with described geographical position；
Geographical location information after coding is stored in the apparatus.
Method the most according to claim 1, it is characterised in that the generation corresponding with described geographical position
Code, including:
Administrative stroke of code of the title of the administrative region of city and city subordinate and its is corresponding, and country's title
Corresponding with the country code of international uniform.
Method the most according to claim 2, it is characterised in that the described geographical position that will get
Information uses the code corresponding with described geographical position to encode, including:
Use the code corresponding with described geographical position and described geographical position relative to its city, place through,
Latitudinal offset amount encodes, or, use the warp in described geographical position, latitude coordinate to encode, obtain
Described geographical location information after coding.
Method the most according to claim 1, it is characterised in that the geography that described acquisition equipment is current
Positional information, including:
Obtain current warp, latitude coordinate, obtain the name in described geographical position according to described warp, latitude coordinate
Claim；
Described by the geographical location information got use code encode, including following two coded system:
If get the city name in described geographical position according to described warp, latitude coordinate, then use described
City name and described geographical position encode relative to warp, the latitudinal offset amount in its city, place, as
Fruit does not gets the city name in described geographical position according to described warp, latitude coordinate, then use described warp,
Latitude coordinate encodes.
5. according to the method described in Claims 1-4 any one, it is characterised in that after described coding
Geographical location information, including:
The flag of coded system, country code, city codes and described geographical position are relative to its place
The warp in city, latitudinal offset amount or only include the warp in described geographical position, latitude coordinate.
6. the code device of a device geographical location information, it is characterised in that including:
Acquisition module, for obtaining the geographical location information that equipment is current；
Coding module, the geographical location information being used for getting is by the code corresponding with described geographical position
Encode；
Memory module, for storing the geographical location information after coding in the apparatus.
Device the most according to claim 6, it is characterised in that the generation corresponding with described geographical position
Code, including:
Administrative stroke of code of the title of the administrative region of city and city subordinate and its is corresponding, and country's title
Corresponding with the country code of international uniform.
Device the most according to claim 7, it is characterised in that described coding module specifically for:
Use the code corresponding with described geographical position and described geographical position relative to its city, place through,
Latitudinal offset amount encodes, or, use the warp in described geographical position, latitude coordinate to encode, obtain
Described geographical location information after coding.
Device the most according to claim 6, it is characterised in that described acquisition module specifically for:
Obtain current warp, latitude coordinate, obtain the name in described geographical position according to described warp, latitude coordinate
Claim；
Described coding module specifically for:
If get the city name in described geographical position according to described warp, latitude coordinate, then use described
City name and described geographical position encode relative to warp, the latitudinal offset amount in its city, place, as
Fruit does not gets the city name in described geographical position according to described warp, latitude coordinate, then use described warp,
Latitude coordinate encodes.
10. according to the device described in claim 6 to 9 any one, it is characterised in that after described coding
Geographical location information, including:
The flag of coded system, country code, city codes and described geographical position are relative to its place
The warp in city, latitudinal offset amount or only include the warp in described geographical position, latitude coordinate.
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| CN107196935B (en) * | 2017-05-19 | 2020-04-17 | 山东顺国电子科技有限公司 | Positioning information transmission method and system |
| CN109213940A (en) * | 2017-06-30 | 2019-01-15 | 武汉斗鱼网络科技有限公司 | Method, storage medium, equipment and system that user location calculates are realized under big data |
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| CN105975626B (en) | 2019-12-27 |
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