CN108362302A - Location mark and localization method - Google Patents
Location mark and localization method Download PDFInfo
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- CN108362302A CN108362302A CN201810140363.3A CN201810140363A CN108362302A CN 108362302 A CN108362302 A CN 108362302A CN 201810140363 A CN201810140363 A CN 201810140363A CN 108362302 A CN108362302 A CN 108362302A
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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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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Abstract
The embodiment of the present invention discloses a kind of location mark and localization method, location mark method include：Earth plane is divided into multiple longitude and latitude positions grid, records the coding of each longitude and latitude position grid；Obtain the longitude and latitude of target point；According to the longitude and latitude of the target point, determines the target longitude and latitude position grid residing for the target point, obtain the coding of target longitude and latitude position grid；Using the coding of target longitude and latitude position grid, the position of the target point is indicated.The embodiment of the present invention it is quick and easy longitude and latitude it is quick and easy be translated into a coding, each coding represents an accurate anchor point, accurate geographical location can be obtained in the application with this coding method by input coding, it is accurately positioned suitable for quickly searching, geographical location Fast Labeling quickly carries out position and shares, accurate unknown place marks, field is explored, emergency location is sent by various ways such as short messages, and without forwarding five application page.
Description
Technical field
The present invention relates to field of map navigation more particularly to a kind of location marks and localization method.
Background technology
The location navigation application of mobile terminal can have the region of building or number to play a role in city etc., and big
There are the unknown region of large area, the similar title such as locating and displaying " near some place " in part rural area or urban.
In the prior art, the user in unknown region can be by informing surrounding's place name in unknown place, or forwarding ground
The mode of diagram page shares a unknown place to other users, and user accurately can not share and record.
Invention content
A kind of location mark of offer of the embodiment of the present invention and localization method, can realize more accurate location mark.
The embodiment of the present invention adopts the following technical scheme that：
A kind of location mark method, including：
Earth plane is divided into multiple longitude and latitude positions grid, records the coding of each longitude and latitude position grid；
Obtain the longitude and latitude of target point；
According to the longitude and latitude of the target point, determines the target longitude and latitude position grid residing for the target point, obtain
Take the coding of target longitude and latitude position grid；
Using the coding of target longitude and latitude position grid, the position of the target point is indicated.
Optionally, described that earth plane is divided into multiple longitude and latitude positions grid, record each longitude and latitude position grid
Coding include：
Earth plane is divided into longitude and latitude is 20 ° of level-one grid, each level-one grid is divided into 400
Two level grid, each two level grid are divided into 400 three-level grids, and each three-level grid is divided into 400 level Four grids, often
A level Four grid is divided into 400 Pyatyi grids, and each Pyatyi grid is divided into 400 six grades of grids；
Record the coding of each grid in every grade of grid.
Optionally, the coding for recording each grid in every grade of grid includes：
The longitude serial number of every grade of grid from left to right, starts serial number 0, last serial number 19, each of every grade
Grid serial number corresponds to a longitude coding；
The latitude serial number of every grade of grid from top to bottom, starts serial number 0, last serial number 19, each of every grade
Grid serial number corresponds to a latitude coding.
Optionally, the longitude and latitude according to the target point, determines the target longitude and latitude residing for the target point
Position grid, the coding for obtaining target longitude and latitude position grid include：
According to the longitude of the target point, every level-one longitude serial number of grid residing for the longitude of the target point is determined；
According to the latitude of the target point, every level-one latitude serial number of grid residing for the latitude of the target point is determined.
Optionally, the longitude according to the target point determines every level-one of grid residing for the longitude of the target point
Longitude serial number includes：
Level-one grid longitude serial number J1 is the integer part of S1, S1=(longitude+180 of the target point)/20；
Two level grid longitude serial number J2 is the integer part of S2, S2=(S1-J1) × 20；
Three-level grid longitude serial number J3 is the integer part of S3, S3=(S2-J 2)/0.05；
Level Four grid longitude serial number J4 is the integer part of S4, S4=((S3-J 3) × 0.05)/0.0025；
Pyatyi grid longitude serial number J5 is the integer part of S5, S5=((S4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid longitude serial number J6 are S6, S6=((S5-J5) × 0.000125)/0.00000625.
Optionally, the latitude according to the target point determines every level-one of grid residing for the latitude of the target point
Latitude serial number includes：
Level-one grid latitude serial number W1 is the integer part of M1, M1=(longitude+90 of the target point)/20；
Two level grid latitude serial number W2 is the integer part of M2, M 2=(M 1-W1) × 20；
Three-level grid latitude serial number W3 is the integer part of M3, M 3=(M 2-W2)/0.05；
Level Four grid latitude serial number W4 is the integer part of M4, M 4=((M 3-W3) × 0.05)/0.0025；
Pyatyi grid latitude serial number W5 is the integer part of M5, M 5=((M 4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid latitude serial number W6 are M6, M 6=((M 5-W5) × 0.000125)/
0.00000625。
Optionally, the coding using target longitude and latitude position grid, the position for indicating the target point include：
It is arranged in order according to the coding of level-one to six grades of grids, the latitude coding per level-one grid exists in preceding longitude coding
Afterwards, the position of the target point is indicated.
A kind of localization method, including：
The coding of the longitude and latitude position grid of mark target location is obtained, longitude and latitude position grid is by earth plane
Multiple longitude and latitude positions grid is divided into obtain；
According to the coding of the longitude and latitude position grid of the target location, the target location is navigated to.
Optionally, the coding of longitude and latitude position grid includes the level-one residing for the target location to six grades of grids
Coding, wherein level-one grid is earth plane to be divided into longitude and latitude is 20 ° and obtains, and is encoded for each level-one grid；
Each level-one grid is divided into 400 two level grids, is encoded for each two level grid；Each two level grid is divided into 400 three
Grade grid, encodes for each three-level grid；Each three-level grid is divided into 400 level Four grids, is encoded for each level Four grid；
Each level Four grid is divided into 400 Pyatyi grids, is encoded for each Pyatyi grid；Each Pyatyi grid is divided into 400 six
Grade grid, encodes for each six grades of grids.
Optionally, the coding of the longitude and latitude position grid according to the target location, navigates to the target location
Including：
By the level-one residing for the target location to the coding of six grades of grids, the longitude and latitude of the target location, root are determined
The target location is navigated to according to the longitude and latitude of the target location.
Location mark based on the above-mentioned technical proposal and localization method, by the way that earth plane is divided into multiple longitude and latitude positions
Set grid, record the coding of each longitude and latitude position grid, obtain the longitude and latitude of target point, according to the longitude of target point and
Latitude determines the target longitude and latitude position grid residing for target point, to obtain the coding of target longitude and latitude position grid, application
The coding of target longitude and latitude position grid realizes the position of mark target point, to by the coding of longitude and latitude position grid more
It is accurate to carry out location mark.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow chart of location mark method provided in an embodiment of the present invention.
Fig. 2 is one of longitude and latitude grid schematic diagram provided in an embodiment of the present invention.
Fig. 3 is the two of longitude and latitude grid schematic diagram provided in an embodiment of the present invention.
Fig. 4 is that longitude and latitude grid serial number provided in an embodiment of the present invention arranges schematic diagram.
Fig. 5 is the flow chart of another location mark method provided in an embodiment of the present invention.
Fig. 6 is that a kind of longitude and latitude provided in an embodiment of the present invention encodes flow chart.
Fig. 7 is the three of longitude and latitude grid schematic diagram provided in an embodiment of the present invention.
Fig. 8 is a kind of longitude and latitude decoding process figure provided in an embodiment of the present invention.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
The embodiment of the present invention it is quick and easy longitude and latitude it is quick and easy be translated into a coding, each coding generation
One accurate anchor point of table, can with this coding method various mobile phones or software application in directly input coding
It to obtain accurate geographical location, is accurately positioned especially suitable for quickly searching, geographical location Fast Labeling quickly carries out position
To share, accurate unknown place marks, field is explored, emergency location is sent by various ways such as short messages, and without forwarding application
The page.
Embodiment 1
A kind of location mark method of the present embodiment, as shown in Figure 1, this method includes：
11, earth plane is divided into multiple longitude and latitude positions grid, records the coding of each longitude and latitude position grid；
12, the longitude and latitude of target point are obtained；
13, according to the longitude and latitude of the target point, the target longitude and latitude position grid residing for the target point is determined,
Obtain the coding of target longitude and latitude position grid；
14, using the coding of target longitude and latitude position grid, the position of the target point is indicated.
In one embodiment, described that earth plane is divided into multiple longitude and latitude positions grid, record each longitude and latitude
The coding of position grid includes：
Earth plane is divided into longitude and latitude is 20 ° of level-one grid, each level-one grid is divided into 400
Two level grid, each two level grid are divided into 400 three-level grids, and each three-level grid is divided into 400 level Four grids, often
A level Four grid is divided into 400 Pyatyi grids, and each Pyatyi grid is divided into 400 six grades of grids；
Record the coding of each grid in every grade of grid.
Specifically, in the present embodiment, grid is defined as：The latitude of -90 ° of the south pole of the earth to 90 ° of arctic has 180 ° altogether, longitude
Since 0 ° of the first meridian, 180 ° of east longitude and -180 ° of summations of west longitude are 360 degree, and earth plane is divided into for longitude and latitude
Degree is 20 ° of level-one grid, as shown in Fig. 2, totally 162.
As shown in figure 3, each level-one grid is divided into 400 two level grids again, each two level grid length of side is 1 °, each
Two level grid is divided into 400 three-level grids, and each three-level grid length of side is 0.05 °, is then divided into level Four grid, Pyatyi side
Lattice are finally six grades of grids.As shown in table 1, the whole world is divided into for 1.65888E15 six grades of grids.
Table 1
In one embodiment, the coding for recording each grid in every grade of grid includes：
The longitude serial number of every grade of grid from left to right, starts serial number 0, last serial number 19, each of every grade
Grid serial number corresponds to a longitude coding；
The latitude serial number of every grade of grid from top to bottom, starts serial number 0, last serial number 19, each of every grade
Grid serial number corresponds to a latitude coding.
As shown in figure 4, the present embodiment medium square serial number sortord is：The serial number of every grade of grid is arranged in the following manner
Sequence, from left to right, latitude serial number from top to bottom, starts serial number 0 to longitude serial number, last serial number 19 finally arrives upper right
Terminate at angle.It sorts according to the serial number of 0-19.
In one embodiment, the longitude and latitude according to the target point, determines the mesh residing for the target point
Longitude and latitude position grid is marked, the coding for obtaining target longitude and latitude position grid includes：
According to the longitude of the target point, every level-one longitude serial number of grid residing for the longitude of the target point is determined；
According to the latitude of the target point, every level-one latitude serial number of grid residing for the latitude of the target point is determined.
In one embodiment, the longitude according to the target point, determines grid residing for the longitude of the target point
Every level-one longitude serial number include：
Level-one grid longitude serial number J1 is the integer part of S1, S1=(longitude+180 of the target point)/20；
Two level grid longitude serial number J2 is the integer part of S2, S2=(S1-J1) × 20；
Three-level grid longitude serial number J3 is the integer part of S3, S3=(S2-J 2)/0.05；
Level Four grid longitude serial number J4 is the integer part of S4, S4=((S3-J 3) × 0.05)/0.0025；
Pyatyi grid longitude serial number J5 is the integer part of S5, S5=((S4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid longitude serial number J6 are S6, S6=((S5-J5) × 0.000125)/0.00000625.
In the present embodiment, after dividing exactly, longitude and latitude can respectively obtain 6 grid serial numbers, range 0-19 it
Between.Each grid serial number corresponds to a coding in encoder block.In order to be avoided that it is similar letter and letter obscure, such as
Number 1 and letter I, digital 0 and letter O, etc. situation, filter coding, we have chosen part number and letter
It encodes, to achieve the purpose that accurate difference is propagated.Coding schedule can be as shown in table 2.
In one embodiment, the latitude according to the target point, determines grid residing for the latitude of the target point
Every level-one latitude serial number include：
Level-one grid latitude serial number W1 is the integer part of M1, M1=(longitude+90 of the target point)/20；
Two level grid latitude serial number W2 is the integer part of M2, M 2=(M 1-W1) × 20；
Three-level grid latitude serial number W3 is the integer part of M3, M 3=(M 2-W2)/0.05；
Level Four grid latitude serial number W4 is the integer part of M4, M 4=((M 3-W3) × 0.05)/0.0025；
Pyatyi grid latitude serial number W5 is the integer part of M5, M 5=((M 4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid latitude serial number W6 are M6, M 6=((M 5-W5) × 0.000125)/
0.00000625。
Specifically, after dividing exactly, longitude and latitude can respectively obtain 6 grid serial numbers, and range is between 0-19.It is whole
Number after removing is encoded, each grid serial number corresponds to a coding in encoder block.In order to be avoided that similar letter
With obscuring for letter, such as number 1 and letter I, digital 0 and letter O, etc. situation filters coding, we choose
Part number and letter encode, to achieve the purpose that accurate difference is propagated.Coding schedule can be as shown in table 2.
Table 2
| Grid serial number | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Grid encodes | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | C | F | G | H | J | M | P | Q | R | V | W | X |
In one embodiment, the coding using target longitude and latitude position grid, indicates the target point
Position includes：
It is arranged in order according to the coding of level-one to six grades of grids, the latitude coding per level-one grid exists in preceding longitude coding
Afterwards, the position of the target point is indicated.
Specifically, after grid serial number is translated into coding by corresponding coding schedule, need to carry out group again to 12 codings
It closes.The combination of use can be such as table 3.
Table 3
It is independent 12 codings containing number and letter by the coding that this mode combines.First 8 with after
4 codings are connected by "+" number, are easier to remember and distinguish in this way.Representative longitude and latitude can be accurately positioned, biography is facilitated
It broadcasts and applies.
In the embodiment of the present invention, the accuracy of coding (actual location error is related with the chip quality of each equipment GPS,
Error herein ignores apparatus factor) about：Pyatyi encodes, about 7 meters of position error, six grades of codings, about 1.5 meters of position error.
The location mark method of the present embodiment, by the way that earth plane is divided into multiple longitude and latitude positions grid, record is every
The coding of a longitude and latitude position grid obtains the longitude and latitude of target point, according to the longitude and latitude of target point, determines target
The residing target longitude and latitude position grid of point, to obtain the coding of target longitude and latitude position grid, application target longitude and latitude position
The coding of grid is set, realizes the position of mark target point, thus by the coding of longitude and latitude position grid more accurately into line position
Set mark.
Embodiment 2
The present embodiment is for indicating Chongqing Jiefangbei, the location mark method for embodiment that the present invention will be described in detail, such as Fig. 5
Shown, the location mark method of the embodiment of the present invention includes：
51, target location latitude and longitude coordinates are obtained.
For example, target location is Chongqing Jiefangbei, and latitude 29.557312, longitude 106.577078.
52, the grid serial number of longitude and latitude is calculated separately.
Specific latitude grid serial number calculation：Before calculating, latitude=+ 90 °.
Level-one grid latitude serial number W1=Int (S1)=5, S1=(29.557312+90)/20=5.9778656.
Two level grid latitude serial number W2=Int (S2)=19, S2=(S1-W1) × 20=19.557312.
Three-level grid latitude serial number W3=Int (S3)=11, S3=(S2-W2)/0.05=11.146240.
Level Four grid latitude serial number W4=Int (S4)=2, S4=((S3-W3) × 0.05)/0.0025=2.924800.
Pyatyi grid latitude serial number W5=Int (S5)=18, S5=((S4-W4) × 0.0025)/0.000125=
18.496000。
Six grades of grid latitude serial number W6=Int (S6)=9, S6=((S5-W5) × 0.000125)/0.00000625=
9.920000。
Longitude grid serial number calculation：Before calculating ,+180 ° of longitude.
Level-one grid longitude serial number J1=Int (S1)=14, S1=(longitude+180)/20=14.3288539.
Two level grid longitude serial number J2=Int (S2)=6, S2=(S1-W1) × 20=6.577078.
Three-level grid longitude serial number J3=Int (S3)=11, S3=(S2-W2)/0.05=11.541560.
Level Four grid longitude serial number J4=Int (S4)=10, S4=((S3-W3) × 0.05)/0.0025=
10.831200。
Pyatyi grid longitude serial number J5=Int (S5)=16, S5=((S4-W4) × 0.0025)/0.000125=
16.624000。
Six grades of grid longitude serial number J6=Int (S6)=12, S6=((S5-W5) × 0.000125)/0.00000625=
12.480000。
53, each serial number corresponds to a coding one by one.
Specifically, obtain each serial number by the table of comparisons 2 corresponds to a coding one by one.
54, coding is combined, obtains the mark code of target location.
Specifically, by coding according to the combination of table 3, then the complete of liberation upright stone tablet is encoded to 7PX8HH4G+WRFJ.
In the present embodiment, encoded as shown in fig. 6, can be realized by following steps：
71, the latitude and longitude coordinates of target location are obtained.
72, coordinates computed level-one grid longitude and latitude serial number, then encodes serial number.
73, coordinates computed two level grid longitude and latitude serial number, then encodes serial number.
74, coordinates computed three-level grid longitude and latitude serial number, then encodes serial number.
75, coordinates computed level Four grid longitude and latitude serial number, then encodes serial number.
76, coordinates computed Pyatyi grid longitude and latitude serial number, then encodes serial number.
77, six grades of grid longitude and latitude serial numbers of coordinates computed, then encode serial number.
It in the present embodiment, is encoded using Pyatyi, that is, 7PX8HH4G+WR, as shown in fig. 7, Pyatyi coding can be accurate
To gray area, the as length of side is approximately equal to 14 meters of red panels, is encoded using six grades, 7PX8HH4G+WRFJ, six grades of codings can
To be accurate to black region, the as length of side is approximately equal to 3 meters of black box.If you liberation upright stone tablet some place et al.,
So only needing to be sent to you position encoded of other side, other side just can know that accurate position, and without your position is described in detail again
In the four corners of the world side of liberation upright stone tablet and apart from the distance for liberating upright stone tablet.It is positioned compared to conventional search title, this coding can be accurately positioned,
It easily propagates, especially suitable for fine place and unknown region.
Embodiment 3
A kind of localization method, including：
The coding of the longitude and latitude position grid of mark target location is obtained, longitude and latitude position grid is by earth plane
Multiple longitude and latitude positions grid is divided into obtain；
According to the coding of the longitude and latitude position grid of the target location, the target location is navigated to.
Optionally, the coding of longitude and latitude position grid includes the level-one residing for the target location to six grades of grids
Coding, wherein level-one grid is earth plane to be divided into longitude and latitude is 20 ° and obtains, and is encoded for each level-one grid；
Each level-one grid is divided into 400 two level grids, is encoded for each two level grid；Each two level grid is divided into 400 three
Grade grid, encodes for each three-level grid；Each three-level grid is divided into 400 level Four grids, is encoded for each level Four grid；
Each level Four grid is divided into 400 Pyatyi grids, is encoded for each Pyatyi grid；Each Pyatyi grid is divided into 400 six
Grade grid, encodes for each six grades of grids.
Optionally, the coding of the longitude and latitude position grid according to the target location, navigates to the target location
Including：
By the level-one residing for the target location to the coding of six grades of grids, the longitude and latitude of the target location, root are determined
The target location is navigated to according to the longitude and latitude of the target location.
As shown in figure 8, following steps may be used in the decoding process of the present embodiment：
81, input target location longitude and latitude grid coding.
82, translation longitude and latitude grid coding becomes longitude and latitude serial number.
83, six grades of longitudes and latitudes are calculated.
84, Pyatyi longitude and latitude is calculated.
85, level Four longitude and latitude is calculated.
86, three-level longitude and latitude is calculated.
87, two level longitude and latitude is calculated.
88, first order calculation longitude and latitude.
89, six grades of longitudes and latitudes are added, then longitude -180, latitude -90 obtain the longitude and latitude degrees of data of target location.
The localization method of the present embodiment, is the inverse process of the location mark method of above-described embodiment, is only briefly to retouch herein
It states, detailed step is referred to above-mentioned location mark embodiment of the method.
The embodiment of the present invention it is quick and easy longitude and latitude it is quick and easy be translated into a coding, each coding generation
One accurate anchor point of table, can with this coding method various mobile phones or software application in directly input coding
It to obtain accurate geographical location, is accurately positioned especially suitable for quickly searching, geographical location Fast Labeling quickly carries out position
To share, accurate unknown place marks, field is explored, emergency location is sent by various ways such as short messages, and without forwarding application
The page.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or improvement to the technology in market for best explaining each embodiment, or make the art
Other those of ordinary skill can understand each embodiment disclosed herein.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of location mark method, which is characterized in that including：
Earth plane is divided into multiple longitude and latitude positions grid, records the coding of each longitude and latitude position grid；
Obtain the longitude and latitude of target point；
According to the longitude and latitude of the target point, the target longitude and latitude position grid residing for the target point is determined, obtain institute
State the coding of target longitude and latitude position grid；
Using the coding of target longitude and latitude position grid, the position of the target point is indicated.
2. according to the method described in claim 1, it is characterized in that, described be divided into multiple longitude and latitude position sides by earth plane
Lattice, the coding for recording each longitude and latitude position grid include：
Earth plane is divided into longitude and latitude is 20 ° of level-one grid, each level-one grid is divided into 400 two level sides
Lattice, each two level grid are divided into 400 three-level grids, and each three-level grid is divided into 400 level Four grids, each level Four side
Lattice are divided into 400 Pyatyi grids, and each Pyatyi grid is divided into 400 six grades of grids；
Record the coding of each grid in every grade of grid.
3. according to the method described in claim 2, it is characterized in that, the coding packet for recording each grid in every grade of grid
It includes：
The longitude serial number of every grade of grid from left to right, starts serial number 0, last serial number 19, every grade each grid
Serial number corresponds to a longitude coding；
The latitude serial number of every grade of grid from top to bottom, starts serial number 0, last serial number 19, every grade each grid
Serial number corresponds to a latitude coding.
4. according to the method described in claim 3, it is characterized in that, the longitude and latitude according to the target point, determines
Target longitude and latitude position grid residing for the target point, the coding for obtaining target longitude and latitude position grid include：
According to the longitude of the target point, every level-one longitude serial number of grid residing for the longitude of the target point is determined；
According to the latitude of the target point, every level-one latitude serial number of grid residing for the latitude of the target point is determined.
5. according to the method described in claim 4, it is characterized in that, the longitude according to the target point, determines the mesh
Every level-one longitude serial number of grid residing for the longitude of punctuate includes：
Level-one grid longitude serial number J1 is the integer part of S1, S1=(longitude+180 of the target point)/20；
Two level grid longitude serial number J2 is the integer part of S2, S2=(S1-J1) × 20；
Three-level grid longitude serial number J3 is the integer part of S3, S3=(S2-J2)/0.05；
Level Four grid longitude serial number J4 is the integer part of S4, S4=((S3-J3) × 0.05)/0.0025；
Pyatyi grid longitude serial number J5 is the integer part of S5, S5=((S4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid longitude serial number J6 are S6, S6=((S5-J5) × 0.000125)/0.00000625.
6. according to the method described in claim 4, it is characterized in that, the latitude according to the target point, determines the mesh
Every level-one latitude serial number of grid residing for the latitude of punctuate includes：
Level-one grid latitude serial number W1 is the integer part of M1, M1=(longitude+90 of the target point)/20；
Two level grid latitude serial number W2 is the integer part of M2, M2=(M1-W1) × 20；
Three-level grid latitude serial number W3 is the integer part of M3, M3=(M2-W2)/0.05；
Level Four grid latitude serial number W4 is the integer part of M4, M4=((M3-W3) × 0.05)/0.0025；
Pyatyi grid latitude serial number W5 is the integer part of M5, M5=((M4-W4) × 0.0025)/0.000125；
The integer part that six grades of grid latitude serial number W6 are M6, M6=((M5-W5) × 0.000125)/0.00000625.
7. according to the method described in claim 4, it is characterized in that, the volume using target longitude and latitude position grid
Code, the position for indicating the target point includes：
It is arranged in order according to the coding of level-one to six grades of grids, the latitude coding per level-one grid is in preceding longitude coding in rear, mark
Show the position of the target point.
8. a kind of localization method, which is characterized in that including：
The coding of the longitude and latitude position grid of mark target location is obtained, longitude and latitude position grid is to divide earth plane
It is obtained for multiple longitude and latitude positions grid；
According to the coding of the longitude and latitude position grid of the target location, the target location is navigated to.
9. according to the method described in claim 8, it is characterized in that, the coding of longitude and latitude position grid includes the target
Level-one residing for position to six grades of grids coding, wherein level-one grid is earth plane to be divided into longitude and latitude is
20 ° obtain, and are encoded for each level-one grid；Each level-one grid is divided into 400 two level grids, is compiled for each two level grid
Code；Each two level grid is divided into 400 three-level grids, is encoded for each three-level grid；Each three-level grid is divided into 400
Level Four grid encodes for each level Four grid；Each level Four grid is divided into 400 Pyatyi grids, is compiled for each Pyatyi grid
Code；Each Pyatyi grid is divided into 400 six grades of grids, is encoded for each six grades of grids.
10. according to the method described in claim 9, it is characterized in that, the longitude and latitude position side according to the target location
The coding of lattice, navigating to the target location includes：
By the level-one residing for the target location to the coding of six grades of grids, the longitude and latitude of the target location is determined, according to institute
The longitude and latitude for stating target location navigates to the target location.
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