CN107797974A - A kind of method that article code is realized using geodetic coordinates and time - Google Patents
A kind of method that article code is realized using geodetic coordinates and time Download PDFInfo
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- CN107797974A CN107797974A CN201710928365.4A CN201710928365A CN107797974A CN 107797974 A CN107797974 A CN 107797974A CN 201710928365 A CN201710928365 A CN 201710928365A CN 107797974 A CN107797974 A CN 107797974A
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Abstract
The present invention discloses a kind of method that article code is realized using geodetic coordinates and time, it is characterised in that：This method generates the position code and timing code of article with the geodetic coordinates of real time position where article and time respectively, position code and timing code, which combine, represents the article code that the user-defined identification code composition of article identity includes object essential information, the present invention can easily encode to article, and high accuracy positioning and temporal information can be included, so as to which the developing steps of Internet of Things field can be kept up with, the exchange of thing thing information is easy to implement, efficiently against existing encoding scheme exist in terms of the practical application such as region or position identification, Time Validity the shortcomings that.
Description
Technical field
The present invention relates to a kind of method that article code is realized using geodetic coordinates and time, belong to coding tools field.
Background technology
Article refers to various tangible or invisible entity, and article code, which refers to assign article by certain rule, to be easy to calculate
Machine and people's identification, the code of processing, it is information exchange, the tie of resource-sharing, and the information technology such as Internet of Things, cloud computing
Important foundation.
According to the definition of Article Numbering Center of China, article code System Framework should by article basic coding system and article
Formed with coded system two large divisions.
Article basic coding system is by article code system banner, Item Information mark and three part groups of article mark
Into.
Article code system banner encodes（Numbering System Identifier, NSI）It is unification of the motherland, right
The each article code system in the whole nation carries out the code of unique mark.Its function to each article code system according to by carrying out only
One mark, it is the basic and central of coded system interconnection so as to ensure application process item code independently of each other and cooperate with each other
Hinge, is the foundation of each coded system parsing, and article code system banner coding is assigned by national article code management organization is unified
Code.
Item Information identification code is unification of the motherland, carries out Classification Management and the volume of mark to Item Information crosspoint
Code system, it is each public mapping benchmark exchanged using coding information.It includes taxonomy of goods coding, article benchmark name is compiled
Code and goods attribute encode three parts.Taxonomy of goods coding is that article is carried out according to article general utility functions and main application
Cluster, the linear classification code system of formation, the main function of system are that the mutual logical relation of clear and definite article is closed with ownership
System, be advantageous to transaction, the search of exchange process information, be the common engine of Item Information search.Taxonomy of goods is encoded by country
Article code management organization is managed collectively and safeguarded.Article benchmark name coding refers to Item Information crosspoint --- article base
Quasi- name carries out the coded system of unique mark.It is to the digitized representations shape with the article benchmark name for explicitly defining and describing
Formula, using without implication authentication code.Article benchmark name encodes establishes corresponding relation with taxonomy of goods coding, can be found from classification
Article benchmark name.Article benchmark name encodes can be used in combination with taxonomy of goods coding, can also be used alone.Article benchmark name
Coding is by the unified management of national article code management organization, unified endowed, unified maintenance.Goods attribute coding is to article benchmark
The description for the article substantive characteristics that name determines and codeization represent.It is clearly fixed that the goods attribute of Item Information mark system has
Justice and description；Goods attribute code uses combinations of features code, by several primary attributes and category corresponding thereto of article
Property value code composition, flexible structure is expansible.Goods attribute coding must be encoded in article benchmark name and is used in combination, can not be single
Solely use.Goods attribute is encoded and property value coding is tieed up by the unified management of national article code management organization, unified endowed, unification
Shield.
Article mark coding is unification of the motherland, the coded system of unique mark is carried out to article, and mark object covers
The various existence forms of article Life cycle, including product（Commodity）Coding, commerical batches coding, commodity list product coding, money
Production coding etc..Article mark coding is made a report on by enterprise, safeguarded, is managed collectively by national article code management organization.
It is each that article application coded system refers to that every field, industry-by-industry are established for information system management with application demand
Class article code system, article application coded system include commodity circulation and public service coded system and other article applications
Coded system two large divisions.
Commodity circulation refers to that multi-field, conglomerate, multidisciplinary, multiple enterprises participate in answering jointly with public service coded system
With, or the coded system used for the social information system for providing public service.The inter-bank established or established at present
Industry, cross-cutting all kinds of commodity circulations and public service coded system include bar code coded system, electronic article coding system
The sincere coding system of system, ecommerce coded system, Internet of Things unifying identifier system, logistics supply chain coded system, product quality
System and product quality retrospect coded system etc..
The unified standard that commodity circulation and public service coded system must determine according to article basic coding system establish and
Implement.
Other article application coded systems are other every profession and trades outside commodity circulation and public service, field, region, enterprise
Industry etc., in the various information system managements article code system it is determined that in application environment, established according to its regulatory requirement.
GS1 (Globe standard 1) coded system is the tissue established by the Unicode committee of the U.S. in 1973,
The system possesses the whole world inter-trade product, delivery unit, assets, position and the identification standard of service system and information exchanges mark
Quasi- system, product is set to be scanned and distinguish in the whole world.GS1 coding schemes：Authentication code, adeditive attribute code；Number
According to structure：14 global trade item numbers (GTIN)；Data medium：Bar code, two-dimensional bar code and radio frequency identification.
GS1 systems provide coding for identified goods in the world, service, assets and position.These codings can
Represented with bar code symbol, to carry out the electronics recognition needed for business workflow.This system overcomes manufacturer, tissue to use itself
Coded system or part specific coding system limitation, improve the efficiency of trade and the respond to client.
And in facilities management field, without the coding standard specification that the whole world is unified, installation fishery unit is to facility or assets
Coding is voluntarily worked out, and cryptoprinciple is mainly considered using department, facility classification or particular use, in brief coding
As far as possible more identification informations is embedded in, only realizes uniqueness of the coding inside unit or industry.
There are the following problems for above-mentioned existing coded system：（1）Coding rule is complicated, inconvenient for use, in being especially not easy to
Small enterprise and personal user use, and are also unsuitable for the extensive facilities management in noncommodity field, equipment control and other items management neck
Domain；（2）Do not possess accurate positional information in coding, be only that administrative address is retouched although including position code in existing coding
State, the coding information of high accuracy positioning can not be provided；（3）Because do not have high accuracy positioning information in existing coding, therefore nothing
Method, which is adapted to Internet of Things field, needs thing thing information exchange under elaborate position information state.
Mobile network's technology and global space location technology promote the development of global integration, drastically increase individual
Acquisition and cognitive ability to global information, technology of Internet of things and application develop rapidly, in order in environment of internet of things effectively
Each article individual is managed and distinguishes, the identity sign and coding of article should primarily be solved the problems, such as.
I.e.：A kind of coding method of article is now needed, article can easily be encoded, and high accuracy can be included
Positioning and temporal information, so as to which the development trend of Internet of Things field can be complied with, the exchange of thing thing information is easy to implement, efficiently against
Existing encoding scheme in terms of the practical application such as region or position identification, Time Validity exist the shortcomings that.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method that article code is realized using geodetic coordinates and time,
Article can easily be encoded, high accuracy positioning and temporal information can be obtained, can be with overcome the deficiencies in the prior art.
The technical scheme is that：A kind of method that article code is realized using geodetic coordinates and time, this method point
The position code and timing code of article, position code and timing code combination table are not generated with the geodetic coordinates of article position and time
Show the article code that the user-defined identification code composition of article identity includes object essential information.
Above-mentioned article code also includes the check code of checking.
Above-mentioned check code is the length according to position code, timing code and user-defined identification code as obtained by calculating CRC-8 algorithms
Spend for 1 byte, be attached to the afterbody entirely encoded.
Above-mentioned position code data come from global position system or wireless network location technology.
Above-mentioned timing code includes global standards temporal information, time dissemination system of the time data from global general-use, time
Form uses the method for expressing of UNIX timestamps.
Above-mentioned position code employs a kind of coded system for becoming length, and it includes representing thing hemisphere, grid sum of series
The dimension of coding grid or the harbour of size, code body is provided with after harbour.
Above-mentioned code body is arranged in order and formed in order as the Morton codes of the grids at different levels where space coordinates point.
Above-mentioned grid sum of series adjustment sizing grid can adjust, so as to obtain the cell coverage of multistage grid system
Diminish, so as to improve positional precision.
Above-mentioned user-defined identification code is defined by user oneself or the coded system for the standard criterion that chooses a trade, compatible existing
There are coding or database record identification ID.
Foregoing position code, timing code, user-defined identification code and check code is the bytecode sequence that can be stored in computer
Row, the article that finally printable ascii character mode can be obtained after BASE64 or BASE32 or BASE16 method migrations are compiled
Code.
Prior art compares, the method that the present invention realizes article code using geodetic coordinates and time, this method respectively with
The position code and timing code of the geodetic coordinates of article position and time generation article, position code and timing code combination expression thing
The user-defined identification code composition of product identity includes the article code of object essential information, this method, easily article can be entered
Row coding, and high accuracy positioning and temporal information can be included, it is suitable for the extensive facilities management in noncommodity field, equipment pipe
Reason and other items management domain, the unified coding standard specification in the whole world is advantageously formed, while the article code is uploaded into Internet of Things
After can efficiently against existing encoding scheme in terms of the practical application such as region or position identification, Time Validity it is existing lack
Point.
Article code also includes the check code of checking, and check code is according to position code, timing code and user-defined identification code
As obtained by calculating CRC-8 algorithms, length is 1 byte, is attached to the afterbody entirely encoded, and this, which is advantageous to item inspecting coding, is
It is no during the use of article there occurs mistake, be such as during tag scan, Internet of Things transmission or data storage
It is no mistake to be present, further improve the accuracy of data；
Position code data come from global position system or wireless network location technology.So utilize existing location technology and thing
Effective combination of product positioning, can carry out article positioning in high precision；
Timing code includes global standards temporal information, time dissemination system of the time data from global general-use, and time format uses
The method for expressing of UNIX timestamps, so the time can be made to have more preferable accuracy, by many experiments, such method, can made
The grade of the accuracy of time is changed into a second rank；
Position code employs a kind of coded system for becoming length, and it includes representing thing hemisphere, grid sum of series coding grid
The harbour of dimension or size, is provided with code body after harbour, and code body is pressed as the Morton codes of the grids at different levels where space coordinates point
Order, which is arranged in order, to be formed, and the whole world is divided into two hemisphere of thing by such prefix, using global scene gridding method step by step, can be carried
The accuracy of height positioning, by experiment, 2 grades of grids are generated using sizing grid 4096x4096, and positioning can be made to reach meter level essence
Degree；
Sizing grid is adjusted by adjusting described grid sum of series, so that the cell coverage for obtaining multistage grid system becomes
It is small, so as to improve positional precision, be advantageous to more accurately locking articles position；
User-defined identification code is defined by user oneself or the coded system for the standard criterion that chooses a trade, compatible existing coding or number
According to storehouse record identification ID, so can in favor of while canonical code can by the record data of database, it is convenient whether
Identical coding be present, it is ensured that the uniqueness of article code；
Position code, timing code, user-defined identification code and check code are the byte code sequence that can be stored in computer, through BASE64
Or the article code of finally printable ascii character mode can be obtained after BASE32 or BASE16 method migrations, so can
It is easy to carry out tag control to article.
Brief description of the drawings
Fig. 1 is article code structural representation.
Fig. 2 is that the present invention utilizes the flow chart of geodetic coordinates and time to article code.
Fig. 3 is GPS subdivided meshes method step by step.
Embodiment
Embodiment 1. as shown in figure 1, a kind of method that article code is realized using geodetic coordinates and time, by position code,
Timing code, user-defined identification code and check code composition, employ a kind of variable length data structure.
Position code is used for the locus for recording article.This yard employs a kind of coded system for becoming length, including harbour
With code body two parts, wherein harbour is a byte, and code body byte number is elongated, is calculated automatically according to harbour；Harbour
Structure is as follows：1st bit represents the Eastern Hemisphere (0) or the Western Hemisphere (1)；2nd to the 4th bit represents grid series, with 3
Highest can divide 8 grades in the case that individual bit represents grid series（2^3）, such as：1 grade of the expression point of Binary Zero 00,001 represents to divide 2
Level ..., 111 represent to divide 8 grades；5th to the 8th bit represents the dimension or size of the coding grid（Row × columns）, such as：Two
System 0000 represent 2 × 2 grids, 0001 represent 4 × 4 grids, 0010 represent 8 × 8 grids ..., 1111 represent 65536 ×
65536 grids, wherein 0000-0011 levels grid Morton codes are 1 byte, and 0100-0111 level grid Morton codes are 2 words
Section, 1000-1011 level grid Morton codes are 3 bytes, and 1100-1111 level grid Morton codes are 4 bytes.Code body knot
Structure is fairly simple, as the Morton codes of the grids at different levels where space coordinates point, is arranged in order forms in order.Mesh coordinate area
Between be it is left close it is right open, on close down the section expression way opened, if that is, the geodetic coordinates of article position falls on the left side just
Boundary, then its coding is by grid calculating on the right of belonging to；Just boundary on top is fallen, then its coding calculates by following grid is belonged to.Every grade
The Morton code values of grid are the integer value of 1 ~ 4 byte, and position code can support the even more fine coding staff of meter level grid
Case.Such as：Geodetic coordinates point (157.6,67.6), positioned at the Eastern Hemisphere, according to 2 grades of grids that dimension is 8 × 8, it can be entered with two
Tabulation is shown as 0b000100100001010100101010, wherein in the Morton codes 0b00010101 of the 1st grade of grid（The decimal system
For 21）, in the Morton codes 0b00101010 of the 2nd grade of grid（The decimal system is 42）.Using high byte sequence（big-endian）Can
Be expressed as with 16 systems " x12 x15 x2a ".
Timing code is used to record specific time of the article in specific locus generation event, such as article production, peace
Dress or the time of handling, equivalent to the postmark of mail.The code uses Unix timestamp modes, and precision is second level, is represented from lattice
During 01 day 00 Lin Weizhi times 1970 year 01 month 00 divide 00 second to present number of seconds, with the integer representation of 4 bytes.Such as：Certain
The set-up time of individual equipment is Greenwich Mean Time 2015-05-10 11:40:13, then Unix timestamps are 1431258013 seconds,
Using high byte sequence（big-endian）" x55 x4f x43 x9d " can be expressed as with 16 systems.
User-defined identification code represents the identity sign of article, the number built by user's self-defining, the identification code in user
According to having uniqueness in the system of storehouse.User-defined identification code is a kind of elongated character string, uses UTF-8 coded systems more to support
The Unified Expression of languages.Such as：Device numbering is " notebook 58 ", to contain 11 bytes after switching to UTF8 codings, can use 16 systems
Be expressed as " xe7 xac x94 xe8 xae xb0 xe6 x9c xac x35 x38 ".
Check code calculates according to position code, timing code and user-defined identification code, and length is 1 byte, is attached to
The afterbody entirely encoded, for test code whether in the tag scan of article, Internet of Things transmission or data storage procedure
There occurs mistake.Check code uses CRC-8 algorithms, it is assumed that BUFFER is the array containing N number of byte, successively containing position code,
The high byte sequence of timing code and the UTF-8 bytes of user-defined identification code, CRC-8 use following multinomial x8+1x7+0x6+1x5+
1x4+0x3+1x2+0x1+1x0, bit is circulated successively according to MSB orders, calculate CRC check code, such as：
“\x12\x15\x2a\x55\x4f\x43\x9d\xe7\xac\x94\xe8\xae\xb0\xe6\x9c\xac\x35\
X38 " check code for " x05 ".
Check code is attached into encoded tail to obtain with the byte code sequence of the article code of byte representation, using BASE64 or
BASE32 or BASE16 encryption algorithms are converted to byte code sequence printable ACSII character expression ways, such as：
“\x12\x15\x2a\x55\x4f\x43\x9d\xe7\xac\x94\xe8\xae\xb0\xe6\x9c\xac\x35\
X38 x05 " byte code sequences, the article code of final printable mode is obtained after the conversion of BASE64 encryption algorithms
“EhUqVU9DneeslOiusOacrDU4BQ==”。
In above-mentioned coding site code, the Morton codes of representation space position are that the global grid segmented step by step is carried out to the earth
The coding of production.The whole world is divided into two hemisphere of thing by subdivided meshes method step by step in the whole world, and 0 ~ 180 degree of the Eastern Hemisphere, the Western Hemisphere -180 ~
0 degree.For two hemisphere, be respectively adopted step by step subdivided meshes method, be proposed with sizing grid 4096x4096 to generate 2 grades of nets
Lattice, you can reach meter accuracy, grid position uses Morton coded representations in every grade of division, and position code is only 7 words
Section.
Such as：Fig. 3 left figures（The Eastern Hemisphere）It is shown, for convenience of illustrating, sizing grid is used as 8 × 8, through one-level mesh generation
Afterwards, cell coverage in the upper right corner is warp-wise 157.5 ~ 180 and broadwise 67.5 ~ 90, and one-level grid position can use Morton codes
It is expressed as 21；Two level division is carried out for this element lattice, is subdivided into 8 × 8 grids again, and as shown in Fig. 3 right figures, its lower left corner is single
First lattice coverage is warp-wise 157.5 ~ 160.3125 and broadwise 67.5 ~ 70.3125, and two level grid position can use Morton code tables
It is shown as 42.In multilevel splitting system, position can be shown as with Morton code tables（21,42）.
In practical application, sizing grid can be adjusted by increasing grid sum of series so that the cell of multilevel splitting system
Coverage diminishes, and improves positional precision.If using 65536 × 65536 sizing grids, 2 grades of grids can reach millimeter essence
Degree.The position encoded scheme can support 8 grades of grids, can meet higher precision demand, but in increase presentation code grid level
In the case of number bit, it can further increase grid series.In view of present satellites location technology precision, the position encoded side
Method is sufficient for being less than article positioning error 1 meter of track record requirement.
When doing article position variation record each time, user is firstly the need of the sum of series for defining GPS grid system
The syllable sequence that sizing grid, system use（It is high or low）And the coded system of printable character；Then program receives the earth seat
Mark, thing hemisphere is determined according to coordinate position, according to the Morton codes of mesh definition coordinates computed position, generates position code；And
Respectively timing code, custom code and check code are generated according to above coding rule.Computer software programs for coding can be with
By computer, mobile phone and other equipment calls for possessing calculation function, after complete article code is obtained, row label can be entered and swept
Retouch, data storage or Internet of Things are transferred to Internet of Things, are advantageous to thing thing information exchange and inquiry, idiographic flow is as shown in Figure 2.
Claims (10)
- A kind of 1. method that article code is realized using geodetic coordinates and time, it is characterised in that：This method is respectively with article institute In the position code and timing code of the geodetic coordinates of position and time generation article, position code and timing code combine and represent article identity User-defined identification code forms the article code for including object essential information.
- 2. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Article code also include the check code of checking.
- 3. the method according to claim 2 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Check code be according to position code, timing code and user-defined identification code as CRC-8 algorithms calculate obtained by, length is 1 byte, It is attached to the afterbody entirely encoded.
- 4. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Position code data come from global position system or wireless network location technology.
- 5. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Timing code include global standards temporal information, time dissemination system of the time data from global general-use, time format uses UNIX The method for expressing of timestamp.
- 6. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Position code employ a kind of coded system for becoming length, it includes representing thing hemisphere, the dimension of grid sum of series coding grid The harbour of number or size, is provided with code body after harbour.
- 7. the method according to claim 6 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described Code body be arranged in order and form in order as the Morton codes of the grids at different levels where space coordinates point.
- 8. the method that article code is realized using geodetic coordinates and time according to claim 6 or 7, it is characterised in that： Sizing grid is adjusted by adjusting described grid sum of series, so that the cell coverage for obtaining multistage grid system diminishes, So as to improve positional precision.
- 9. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：It is described User-defined identification code defined by user oneself or the coded system for the standard criterion that chooses a trade, compatible existing coding or data Storehouse record identification ID.
- 10. the method according to claim 1 that article code is realized using geodetic coordinates and time, it is characterised in that：Institute Position code, timing code, user-defined identification code and the check code stated are the byte code sequence that can be stored in computer, through BASE64 Or the article code of finally printable ascii character mode can be obtained after BASE32 or BASE16 method migrations.
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