CN107153711A - Geographic information data processing method and processing device - Google Patents
Geographic information data processing method and processing device Download PDFInfo
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- CN107153711A CN107153711A CN201710358463.9A CN201710358463A CN107153711A CN 107153711 A CN107153711 A CN 107153711A CN 201710358463 A CN201710358463 A CN 201710358463A CN 107153711 A CN107153711 A CN 107153711A
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Abstract
The embodiments of the invention provide a kind of geographic information data processing method and processing device, wherein, geographic information data processing method includes：The geographical latitude and longitude coordinates of spatial entity to be checked are obtained, geographical latitude and longitude coordinates are converted into corresponding grid coding；Using the lattice member table in the grid coding inquiry database of conversion, it is determined that the corresponding relation of be stored with least one object identity corresponding with grid coding, lattice member table grid coding and its corresponding object identity；According to the object identity query object table of determination, the attribute information of be stored with the attribute information for the object that corresponding object identity is identified, Object table object identity and its corresponding object is obtained；The attribute information of spatial entity to be checked is determined from the attribute information of the object obtained.By the embodiment of the present invention, space querying condition is switched to the values match of grid coding, the effect for the result data for efficiently and accurately obtaining geographic information data operation is realized.
Description
Technical field
The present embodiments relate to technical field of geographic information, more particularly to a kind of geographic information data processing method and dress
Put.
Background technology
GIS (Geographic Information System, GIS-Geographic Information System) technology is that one kind combines geography
, cartography, the technology of remote sensing and computer science, are widely used in different fields, such as navigation, space research
Deng.
In GIS, generally using geographical latitude and longitude coordinates figure layer as the basis of geographic information data tissue, and based on this with
The operations such as corresponding inquiry, statistics are carried out based on the latitude and longitude coordinates of entity space object.But, latitude and longitude coordinates without
Method carries out unique station location marker to entity space object, and the mark ID of spatial entity assignment has randomness, different
Between figure layer the association of spatial entity need rely on metadatabase carry out, thus cause so that integration across database, across tables of data,
Had difficulties across the geographic information data sharing of figure layer.Therefore, when carrying out corresponding geographic information data operation as inquired about, nothing
Method efficiently and accurately obtains corresponding result data.
The content of the invention
In view of this, one of technical problem that the embodiment of the present invention is solved is to provide a kind of geographic information data processing
Method and device, to solve efficiently and accurately obtain especially multi-source heterogeneous to geographic information data in the prior art
The problem of result data that reason information data is operated.
One side according to embodiments of the present invention there is provided a kind of geographic information data processing method, including：Acquisition is treated
The geographical latitude and longitude coordinates are converted to corresponding grid coding by the geographical latitude and longitude coordinates of the spatial entity of inquiry；
Using the lattice member table in the grid coding inquiry database of conversion, it is determined that corresponding with the grid coding, at least one is right
As mark, wherein, the corresponding relation of be stored with the lattice member table grid coding and its corresponding object identity；According to determination
The object identity query object table, obtains the attribute information for the object that the corresponding object identity is identified, wherein, it is described
Be stored with the attribute information of object identity and its corresponding object in Object table；Institute is determined from the attribute information of the object obtained
State the attribute information of spatial entity to be checked.
Other side according to embodiments of the present invention, additionally provides a kind of geographic information data processing unit, including：The
One acquisition module, the geographical latitude and longitude coordinates of spatial entity to be checked for obtaining, by the geographical latitude and longitude coordinates
Be converted to corresponding grid coding；First determining module, for the lattice in the grid coding inquiry database using conversion
First table, it is determined that at least one object identity corresponding with the grid coding, wherein, be stored with grid coding in the lattice member table
And its corresponding relation of corresponding object identity；Second acquisition module, for the object identity query object according to determination
Table, obtains the attribute information for the object that the corresponding object identity is identified, wherein, be stored with object mark in the Object table
Knowledge and its attribute information of corresponding object；Second determining module, it is described for being determined from the attribute information of the object obtained
The attribute information of spatial entity to be checked.
By scheme provided in an embodiment of the present invention, when inquiring about the geography information of a certain spatial entity, passed through
Latitude coordinate is converted to grid coding, and then is matched and looked into the lattice member table for including grid coding stored in database
Ask, therefrom inquire the corresponding object identity of grid coding, the object identity there can be one, it is also possible to have multiple, in this feelings
Under condition, the attribute information of corresponding object is therefrom obtained according to the object identity query object table, and then therefrom determine to be checked
The attribute information of the spatial entity of inquiry.Wherein, lattice member table is associated with Object table by object identity, and lattice member table is mainly stored
The attribute information of grid coding and its corresponding object identity, the main storage object mark of Object table and its corresponding object.Net
Trellis coding has global uniqueness, one spatial dimension of its unique mark, by by the longitude and latitude of spatial entity to be checked
Degree Coordinate Conversion is grid coding, can quickly determine the corresponding grid of the spatial entity, be determined by grid and search phase
The object answered, greatly reduces data query quantity, improves data query speed.Hereby it is achieved that efficiently and accurately obtaining
The effect of the result data of geographic information data operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in inventive embodiments, for those of ordinary skill in the art, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of step flow chart of geographic information data processing method according to embodiments of the present invention；
Fig. 2 is a kind of structured flowchart of geographic information data processing unit according to embodiments of the present invention.
Embodiment
Certainly, implementing any technical scheme of the embodiment of the present invention must be not necessarily required to while reaching all excellent of the above
Point.
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described reality
It is only a part of embodiment of the embodiment of the present invention to apply example, rather than whole embodiments.Based on the implementation in the embodiment of the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained should all belong to the scope of protection of the embodiment of the present invention.
Reference picture 1, shows a kind of step flow chart of geographic information data processing method according to embodiments of the present invention.
The geographic information data processing method of the present embodiment comprises the following steps:
Step S102：The geographical latitude and longitude coordinates of spatial entity to be checked are obtained, geographical latitude and longitude coordinates are turned
It is changed to corresponding grid coding.
In the present embodiment, in the database for being stored with geographic information data, be stored with lattice member table and Object table, wherein,
At least be stored with the corresponding relation of grid coding and its corresponding object identity in lattice member table, and be at least stored with object in Object table
The attribute information of mark and its corresponding object.When carrying out data query, it is necessary to be compiled using with the grid in generation lattice member table
The geographical latitude and longitude coordinates of spatial entity to be checked are converted to grid coding by the same mode of code.
In the present embodiment, grid coding using Beidou navigation grid coding (Beidou Navigation Grid Code,
BNGC).Beidou navigation grid code is to carry out customized development in earth subdivision grid (GeoSOT) basis of coding to realize whole world north
Struggle against the coding navigated, and it can provide the whole world unified grid framework for navigation data, the spatial entity in navigation procedure
It is conceptualized as multiple dimensioned grid set.BNGC can select more GeoSOT yardstick as far as possible when implementing, these
Yardstick need be GeoSOT constant those levels of sizing grid, exactly occur without those levels of three extensions, keep net
The size consistency of lattice.For example, the grid that have selected layer 8 level of GeoSOT the 9th, 15,17,20,23,26,29,32 is added
Two transition zones of 1: 100 ten thousand map sheet and 1: 5 ten thousand map sheet, totally 10 levels can just form a kind of BNGC grid system.Wherein,
It is to exist to net declinable that the 5th layer of only BNGC, which is 17 layers of GeoSOT, and remaining level takes full advantage of the constant of GeoSOT
Level, the 5th layer belongs to transition level.Alternatively it is also possible to without using the layer, but by using the layer, can avoid because of BNGC
The 4th layer and the 6th layer of span reach 30*30, span is too big, and the yardstick of caused intermediate level lacks performance, and bits of coded
Also waste can be compared on number, and lack effective polymerization to 1: 2.5 ten thousand, 1: 1 ten thousand map sheet, caused directly using the 6th layer of BNGC,
The problems such as grid number is too many.For example, the intermediate level of grid coding, and and BNGC can be regard 1: 100 ten thousand, 1: 5 ten thousand map sheet as
9th layer, the 15th layer of organic linking of grid.For the map sheet 1: 50 ten thousand of intermediate level, BNGC the 2nd depth level net can be used
Lattice, seamless combination, common 3*2 degree level grid；For 1: 25 ten thousand, 1: 10 ten thousand, because the 3rd layer of BNGC is 1: 5 ten thousand map sheet grid,
Therefore seamless it can also combine, respectively 6*6,2*2 BNGC the 3rd layer of grid；For 1: 5 ten thousand, itself can be used
BNGC the 3rd layer of expression, 15*10 BNGC the 4th layer of grid (grade gridding) can also be drawn wherein；For 1: 2.5 ten thousand,
1: 1 ten thousand, it can be combined with 30*20,15*10 of the 5th layer of BNGC.Designed by this kind of BNGC, the support to short code
Will be more preferable, because alternative there is provided the yardstick from up to 8 levels between 1.5cm-30km, for the reference of mutative scale in short code
Object would be much more convenient；Additionally, it is provided the selection of 1: 5 ten thousand map sheet so that count and get up to more conform to traditional map identification
It is required that.
In above-mentioned grid system, for 8 grades of grids, i.e., 2 ° × 2 °, southern 88 ° of -90 ° of scopes of (north) latitude are divided into 180
Grid, combines them into a grid P；For 9 grades of grids, i.e., 1 ° × 1 °, southern 89 ° of -90 ° of scopes of (north) latitude are divided into 360
Individual grid, combines them into a grid P0；Southern 88 ° of -89 ° of scopes of (north) latitude are divided into 360 grids, combined them into
Three grids P1, P2, P3, it is contemplated that relation corresponding with the 2 of low latitudes region integral number power, its longitude range are east respectively
Through 180 ° -128 ° of 0 ° -128 °, 128 ° -180 ° of east longitude and west longitude, 128 ° -0 ° of west longitude；For 10 grades of grids, i.e. 32' × 32', its
Extension rule is consistent with low latitudes region, and it merges rule, similar with the 9th grade of mesh update rule, is formed on southern (north) and ground
The gradually quaternary tree subdivision in area；For less than 10 grades grids, its extension rule is consistent with low latitudes region, and it merges rule, with
9th grade of mesh update rule is similar, forms the gradually quaternary tree subdivision in southern (north) and area.
And then, corresponding Beidou navigation grid coding can be carried out based on above-mentioned grid system, specific coding process can be with
Realized by those skilled in the art using arbitrary coded system.It is for instance possible to use four steps divide coded system, i.e.,：First
Step is divided：Continuous 7 y-bends will be carried out from earth reference ellipsoid to the upward height region (0-64422km) for expanding limiting value
Subdivision is set, altogether 2 are obtained7Individual 512km secondary units, equivalent to the starting mesh yardstick of two dimensional navigation grid code, using letter
A-L is encoded successively to each secondary unit, from AA-JH；Second step is divided：Second level unit carries out continuous 4 binary trees
Subdivision, obtains altogether 24Individual 32km three-levels unit.Each three-level unit is encoded successively using alphabetical A-P；3rd step is drawn
Point：Third level unit carries out Octree subdivision, obtains altogether 23Individual 4km level Four unit, using alphabetical A-P come to each two grades
Unit is encoded successively；4th step is divided：Fourth stage unit carries out Octree subdivision, obtains altogether 23Individual 500m level Four unit.Adopt
Each secondary unit is encoded successively with alphabetical A-P.
Based on Beidou navigation grid coding, system design lattice member table and Object table carry out organization space entity object.Lattice member
In table, using BNGC as record identification code ID, the grid for uniquely identifying triangulated space, while recording all kinds of in grid
Related information, includes object identity ID, the attribute information etc. of spatial entity, is easy to the spatial operation of facing area；Object
In table, each object record has object identity ID, and a spatial entity is determined for uniquely identifying, and records simultaneously
Object correlation attribute information, meets existing system and the routine data based on spatial entity is operated.Object table and lattice member table
It is associated by object identity ID, supports that the collaboration of lattice member-object is operation associated.
In Object table, one record of a spatial entity correspondence have recorded the detailed spatial of spatial entity
Location information and non-spatial attributes；In lattice member table, the spatial entity collection intersected using BNGC as main key record with grid
Object identity, an a plurality of record of spatial entity correspondence, is divided into multiple grid cells by spatial entity, remembers respectively
Record the non-spatial attributes of each grid.If the multiple grid codings of spatial entity correspondence, can save as grid coding
Structure of arrays, you can the problem of solving a spatial entity correspondence multiple record.
Further, it is also possible to grid coding index order be carried out to BNGC, to accelerate subsequent query speed.Alternatively, may be used also
To carry out partitioned storage according to region according to BNGC, to alleviate main frame storage pressure.
Based on above-mentioned Beidou navigation grid coding mode, and the lattice member table and Object table stored in database, obtaining
The geographical latitude and longitude coordinates are converted to corresponding grid coding by the geographical latitude and longitude coordinates of spatial entity to be checked
When, however, it is determined that spatial entity to be checked is point object, then obtains mesh scale and the point where the point object
The geographical latitude and longitude coordinates of object；Mesh scale according to where the point object determines corresponding trellis stage, according to described
The geographical latitude and longitude coordinates of the point object are converted to corresponding grid coding by trellis stage；If it is determined that space to be checked is real
Body object is line object, then obtains the geography of the mesh scale and the corresponding spatial dimension of the line object where the line object
Latitude and longitude coordinates；Mesh scale according to where the line object determines corresponding trellis stage, will according to the trellis stage
The geographical latitude and longitude coordinates of the line object are converted to corresponding grid coding；If it is determined that spatial entity to be checked is area
Field object, then obtain the geographical longitude and latitude of the mesh scale and the corresponding spatial dimension of the section object where the section object
Spend coordinate；Mesh scale according to where the section object determines corresponding trellis stage, according to the trellis stage by institute
The geographical latitude and longitude coordinates for stating section object are converted to corresponding grid coding.
Step S104：Using the lattice member table in the grid coding inquiry database of conversion, it is determined that corresponding with grid coding
At least one object identity.
Wherein, be at least stored with the corresponding relation of grid coding and its corresponding object identity in lattice member table.
Step S106：According to the object identity query object table of determination, the object that corresponding object identity is identified is obtained
Attribute information.
Wherein, be at least stored with the attribute information of object identity and its corresponding object in Object table, and the attribute information can
To be any appropriate attribute information, including but not limited to geographical location information, place name address information, traffic related information, postal
Part information, chat message etc..
Step S108：The attribute letter of the spatial entity to be checked is determined from the attribute information of the object obtained
Breath.
The basic model of navigation enquiry based on BNGC is as follows：
(1) point retrieval pattern：Query point spatial entity, can be first according to expressed by its geographical latitude and longitude coordinates and point
Spatial entity the corresponding trellis stage of mesh scale, corresponding grid coding is determined, by expressed by the grid coding
The spatial dimension navigated expressed by grid cell of locus and the level be compared, if point to be retrieved is in Navigation Network
Within lattice unit or on border, the area of space corresponding to the navigation grid cell is to search region, then passes through the navigation
The object identity of spatial entity in grid cell can find out the content to be searched.
(2) line retrieval pattern：Trellis stage is determined according to the precision that line object to be checked needs, line object is corresponding
The function that spatial dimension turns coding by line switchs to grid set rectangle size of navigating, then each grid is compiled by matching network
Code, finds out the spatial data object corresponding to grid.
(3) area reseach pattern：Area reseach can be divided into two processes of area reseach grid-search method and grid search.
Including：(1) the object space scope that will require look up is transformed into the grid collection for containing the BNGC for searching region
Close；(2) be directed to each grid, by grid index find out grid in the information of corresponding spatial entity that is included,
The set of whole grid search is exactly the result of regional search.Idiographic flow is to determine that regional extent is covered according to application demand first
The navigation grid unit set of lid, then obtains corresponding target data according to the grid coding index search of grid.
By said process, the inquiry of spatial entity is realized.Further, based on BNGC, line number can also be entered
Analyze according to statistics.
A kind of data statistic analysis can be implemented as：The request of the first statistical query is obtained, wherein, the request of the first statistical query
Include mesh scale to be checked and the information of timing statisticses；Determine the corresponding trellis stage of the mesh scale；According to institute
State the corresponding grid coding of trellis stage, count in the trellis stage, all in the timing statisticses include space number
According to spatial entity information.Hereby it is achieved that the statistics of space distribution rule, obtains the abnormal information of spatial distribution.
For example, some trellis stage and sometime can be chosen according to application demand and precision；Use stsndard SQL
Select count (*) (can also search other attributes) search the note that the moment each grid of the level includes spatial data
Record number, and returning result；The descending arrangement of number will be recorded, proportionally show that spatial distribution is abnormal；Visualize statistical result.
Another data statistic analysis can be implemented as：The request of the second statistical query is obtained, wherein, the second statistical query please
Asking includes the information of mesh scale to be checked and statistical space；Determine the corresponding trellis stage of the mesh scale；According to
The corresponding grid coding of the trellis stage, is counted in the trellis stage, the sky in the statistical space of different time
Between entity object quantity.Hereby it is achieved that the statistics of Time Distribution, obtains the abnormal information of Annual distribution.
For example, choosing some level and some spatial dimension according to application demand and precision；Search the not space in the same time
In the range of the data volume (other attributes can also be searched) that is covered, and returning result；The descending arrangement of number will be recorded, according to
Ratio show that Annual distribution is abnormal.
By the present embodiment, when inquiring about the geography information of a certain spatial entity, its latitude and longitude coordinates is converted to
Grid coding, and then matched and inquired about with the lattice member table for including grid coding stored in database, therefrom inquire
The corresponding object identity of grid coding, the object identity can have one, it is also possible to have multiple, in the case, according to this pair
The attribute information of corresponding object is therefrom obtained as identifying query object table, and then therefrom determines spatial entities pair to be checked
The attribute information of elephant.Wherein, lattice member table is associated with Object table by object identity, and the main save mesh of lattice member table is encoded and its right
The attribute information of the object identity answered, the main storage object mark of Object table and its corresponding object.Grid coding has the whole world
Uniqueness, one spatial dimension of its unique mark, by the way that the latitude and longitude coordinates of spatial entity to be checked are converted into net
Trellis coding, can quickly determine the corresponding grid of the spatial entity, determined by grid and search corresponding object, subtracted significantly
Lack data query quantity, improve data query speed.Hereby it is achieved that efficiently and accurately obtaining geographic information data behaviour
The effect of the result data of work.
Query and search based on Beidou navigation grid coding switchs to space querying condition the values match of grid coding, i.e.,
Querying condition (point, line, surface/region) is subjected to grid coding, match looking into by grid coding and the data in database
Ask, realize efficient, the accurate inquiry of the information of spatial entity.
The timing of survey region one, what the line number (meshes number) of lattice member table was to determine.Can according to the survey region of determination,
Realize the statistics based on grid, including space distribution rule, spatial distribution exception, Time Distribution, Annual distribution extremely this
A little data statistics and analysis based on space-time.
Reference picture 2, shows a kind of structured flowchart of geographic information data processing unit according to embodiments of the present invention.
The geographic information data processing unit of the present embodiment includes：First acquisition module 202, the sky to be checked for obtaining
Between entity object geographical latitude and longitude coordinates, the geographical latitude and longitude coordinates are converted into corresponding grid coding；First determines
Module 204, for the lattice member table in the grid coding inquiry database using conversion, it is determined that corresponding with the grid coding
At least one object identity, wherein, the correspondence pass of be stored with the lattice member table grid coding and its corresponding object identity
System；Second acquisition module 206, for the object identity query object table according to determination, obtains the corresponding object mark
Know the attribute information of identified object, wherein, the attribute of be stored with the Object table object identity and its corresponding object
Information；Second determining module 208, for determining the spatial entity to be checked from the attribute information of the object obtained
Attribute information.
Alternatively, first acquisition module 202 is used to determine that spatial entity to be checked is point object, obtains institute
State the geographical latitude and longitude coordinates of the mesh scale and the point object where point object；Grid chi according to where the point object
Degree determines corresponding trellis stage, is converted to the geographical latitude and longitude coordinates of the point object according to the trellis stage corresponding
Grid coding.
Alternatively, first acquisition module 202 is used to determine that spatial entity to be checked is line object, obtains institute
State the geographical latitude and longitude coordinates of the mesh scale and the corresponding spatial dimension of the line object where line object；According to the line pair
As the mesh scale at place determines corresponding trellis stage, the geographical longitude and latitude of the line object is sat according to the trellis stage
Mark is converted to corresponding grid coding.
Alternatively, first acquisition module 202 is used to determine that spatial entity to be checked is section object, obtains
The geographical latitude and longitude coordinates of mesh scale and the corresponding spatial dimension of the section object where the section object；According to institute
Mesh scale where stating section object determines corresponding trellis stage, according to the trellis stage by the ground of the section object
Reason latitude and longitude coordinates are converted to corresponding grid coding.
Alternatively, the device of the present embodiment also includes：First statistical query module 210, for obtaining the first statistical query
Request, wherein, first statistical query request includes mesh scale to be checked and the information of timing statisticses；It is determined that described
The corresponding trellis stage of mesh scale；According to the corresponding grid coding of the trellis stage, count in the trellis stage, in institute
State the information of all spatial entities comprising spatial data in timing statisticses.
Alternatively, the device of the present embodiment also includes：The device of the present embodiment also includes：Second statistical query module 212,
For obtaining the request of the second statistical query, wherein, second statistical query request includes mesh scale to be checked and system
Count the information in space；Determine the corresponding trellis stage of the mesh scale；According to the corresponding grid coding of the trellis stage, system
Count in the trellis stage, the quantity of spatial entity in the statistical space of different time.
The geographic information data processing unit of the present embodiment is used to realize corresponding geography information in preceding method embodiment
Data processing method, and the beneficial effect with corresponding embodiment of the method, will not be repeated here.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, the computer readable recording medium storing program for performing include be used for
The readable form storage of computer (such as computer) or any mechanism of transmission information.For example, machine readable media is included only
Read memory (ROM), random access memory (RAM), magnetic disk storage medium, optical storage media, flash medium, electricity, light,
Sound or the transmitting signal of other forms (for example, carrier wave, infrared signal, data signal etc.) etc., the computer software product includes
Some instructions are to cause a computer equipment (can be personal computer, server, or network equipment etc.) is performed each
Method described in some parts of individual embodiment or embodiment.
Finally it should be noted that：Above example is only limited to the technical scheme for illustrating the embodiment of the present application, rather than to it
System；Although the application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：Its
The technical scheme described in foregoing embodiments can still be modified, or which part technical characteristic is equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the application
Spirit and scope.
It will be understood by those skilled in the art that the embodiment of the embodiment of the present invention can be provided as method, device (equipment) or
Computer program product.Therefore, the embodiment of the present invention can be soft using complete hardware embodiment, complete software embodiment or combination
The form of the embodiment of part and hardware aspect.Moreover, the embodiment of the present invention can be used wherein includes calculating one or more
The computer-usable storage medium of machine usable program code (includes but is not limited to magnetic disk storage, CD-ROM, optical memory
Deng) on the form of computer program product implemented.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, device (equipment) and computer program product
Flow chart and/or block diagram are described.It should be understood that can be by every in computer program instructions implementation process figure and/or block diagram
One flow and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computers can be provided
Processor of the programmed instruction to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices
To produce a machine so that produce use by the instruction of computer or the computing device of other programmable data processing devices
In the dress for realizing the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
Put.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Claims (12)
1. a kind of geographic information data processing method, it is characterised in that including：
The geographical latitude and longitude coordinates of spatial entity to be checked are obtained, the geographical latitude and longitude coordinates are converted to corresponding
Grid coding；
Using the lattice member table in the grid coding inquiry database of conversion, it is determined that corresponding with the grid coding at least one
Individual object identity, wherein, the corresponding relation of be stored with the lattice member table grid coding and its corresponding object identity；
According to the object identity query object table of determination, the attribute for the object that the corresponding object identity is identified is obtained
Information, wherein, the attribute information of be stored with the Object table object identity and its corresponding object；
The attribute information of the spatial entity to be checked is determined from the attribute information of the object obtained.
2. according to the method described in claim 1, it is characterised in that the geographical warp for obtaining spatial entity to be checked
Latitude coordinate, the geographical latitude and longitude coordinates are converted into corresponding grid coding includes：
It is point object to determine spatial entity to be checked, obtains the mesh scale and the point object where the point object
Geographical latitude and longitude coordinates；
Mesh scale according to where the point object determines corresponding trellis stage, according to the trellis stage by the point pair
The geographical latitude and longitude coordinates of elephant are converted to corresponding grid coding.
3. according to the method described in claim 1, it is characterised in that the geographical warp for obtaining spatial entity to be checked
Latitude coordinate, the geographical latitude and longitude coordinates are converted into corresponding grid coding includes：
It is line object to determine spatial entity to be checked, mesh scale and the line object where the acquisition line object
The geographical latitude and longitude coordinates of corresponding spatial dimension；
Mesh scale according to where the line object determines corresponding trellis stage, according to the trellis stage by the line pair
The geographical latitude and longitude coordinates of elephant are converted to corresponding grid coding.
4. according to the method described in claim 1, it is characterised in that the geographical warp for obtaining spatial entity to be checked
Latitude coordinate, the geographical latitude and longitude coordinates are converted into corresponding grid coding includes：
It is section object to determine spatial entity to be checked, mesh scale and the area where the acquisition section object
The geographical latitude and longitude coordinates of the corresponding spatial dimension of field object；
Mesh scale according to where the section object determines corresponding trellis stage, according to the trellis stage by the area
The geographical latitude and longitude coordinates of field object are converted to corresponding grid coding.
5. the method according to claim any one of 1-4, it is characterised in that methods described also includes：
The request of the first statistical query is obtained, wherein, first statistical query request includes mesh scale to be checked and system
Information between timing；
Determine the corresponding trellis stage of the mesh scale；
According to the corresponding grid coding of the trellis stage, owning in the statistics trellis stage, in the timing statisticses
The information of spatial entity comprising spatial data.
6. the method according to claim any one of 1-4, it is characterised in that methods described also includes：
The request of the second statistical query is obtained, wherein, second statistical query request includes mesh scale to be checked and system
Count the information in space；
Determine the corresponding trellis stage of the mesh scale；
According to the corresponding grid coding of the trellis stage, count in the trellis stage, in the statistics sky of different time
The quantity of interior spatial entity.
7. a kind of geographic information data processing unit, it is characterised in that including：
First acquisition module, the geographical latitude and longitude coordinates of spatial entity to be checked for obtaining, by the geographical longitude and latitude
Degree Coordinate Conversion is corresponding grid coding；
First determining module, for using conversion the grid coding inquiry database in lattice member table, it is determined that with the net
At least one corresponding object identity of trellis coding, wherein, be stored with grid coding and its corresponding object mark in the lattice member table
The corresponding relation of knowledge；
Second acquisition module, for the object identity query object table according to determination, obtains the corresponding object identity
The attribute information of the object identified, wherein, the attribute letter of be stored with the Object table object identity and its corresponding object
Breath；
Second determining module, the category for determining the spatial entity to be checked from the attribute information of the object obtained
Property information.
8. device according to claim 7, it is characterised in that first acquisition module, for determining sky to be checked
Between entity object be point object, obtain the geographical latitude and longitude coordinates of the mesh scale and the point object where the point object；
Mesh scale according to where the point object determines corresponding trellis stage, according to the trellis stage by the point object
Geographical latitude and longitude coordinates are converted to corresponding grid coding.
9. device according to claim 7, it is characterised in that first acquisition module, for determining sky to be checked
Between entity object be line object, obtain the ground of the mesh scale and the corresponding spatial dimension of the line object where the line object
Manage latitude and longitude coordinates；Mesh scale according to where the line object determines corresponding trellis stage, according to the trellis stage
The geographical latitude and longitude coordinates of the line object are converted into corresponding grid coding.
10. device according to claim 7, it is characterised in that first acquisition module, for determining sky to be checked
Between entity object be section object, obtain mesh scale and the corresponding space model of the section object where the section object
The geographical latitude and longitude coordinates enclosed；Mesh scale according to where the section object determines corresponding trellis stage, according to described
The geographical latitude and longitude coordinates of the section object are converted to corresponding grid coding by trellis stage.
11. the device according to claim any one of 7-11, it is characterised in that described device also includes：
First statistical query module, for obtaining the request of the first statistical query, wherein, the first statistical query request includes
Mesh scale to be checked and the information of timing statisticses；Determine the corresponding trellis stage of the mesh scale；According to the grid
The corresponding grid coding of level, is counted in the trellis stage, all skies for including spatial data in the timing statisticses
Between entity object information.
12. the device according to claim any one of 7-11, it is characterised in that described device also includes：
Second statistical query module, for obtaining the request of the second statistical query, wherein, the second statistical query request includes
Mesh scale to be checked and the information of statistical space；Determine the corresponding trellis stage of the mesh scale；According to the grid
The corresponding grid coding of level, is counted in the trellis stage, the spatial entities pair in the statistical space of different time
The quantity of elephant.
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