CN107958085A - A kind of agricultural resource multi-source Spatial Data shared platform and its querying method - Google Patents
A kind of agricultural resource multi-source Spatial Data shared platform and its querying method Download PDFInfo
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- CN107958085A CN107958085A CN201711365880.2A CN201711365880A CN107958085A CN 107958085 A CN107958085 A CN 107958085A CN 201711365880 A CN201711365880 A CN 201711365880A CN 107958085 A CN107958085 A CN 107958085A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/2433—Query languages
- G06F16/2448—Query languages for particular applications; for extensibility, e.g. user defined types
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/2423—Interactive query statement specification based on a database schema
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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Abstract
The present invention relates to a kind of agricultural resource multi-source Spatial Data shared platform and its querying method, it is characterised in that comprises the following steps：1) human-computer interaction interface receives inquiry request input by user and is sent to inquiry request module；2) inquiry request module differentiates the inquiry request information of input, and the inquiry request for meeting criterion is sent to inquiry request analysis module；3) inquiry request analysis module is docked received inquiry request and is handled, and the free hand drawing sheaf space data source query request Concurrency of generation additional space inquiry constraints is sent to query execution module；4) query execution module inquires about database according to the free hand drawing sheaf space data source query request received, and query result is sent to Query Information integration module；5) Query Information integration module is shown for being sent to human-computer interaction interface after being integrated to query result with list or map view.The present invention can be widely applied to agricultural resource multi-source Spatial Data inquiry field.
Description
Technical field
The present invention relates to multi-source data to inquire about field, especially with regard to a kind of agricultural resource multi-source Spatial Data shared platform
And its querying method.
Background technology
It is a variety of that agricultural resource mainly includes water resource, land resource, climate resources, living resources and rural area macroeconomy etc.
Resource, has the characteristics that to be related to that content is wide, classification is more.And the link such as agricultural production, management, decision-making is required to carry out agricultural data
Comprehensive inquiry, to obtained from multi-faceted, multidate mass data most comprehensively, most accurately data results, it is right
The agricultural technologys such as arviculture management, fertilization compositions based on earth measurement have realistic meaning.Agricultural resource multi-source data is carried out at present
Inquiry, such as inquiry meet the area place of multiple conditions such as gross amount of water resources, soil organic matter content, crop total yield at the same time,
Traditional directory mode has following several ways：
(1) magnanimity agricultural data can be analyzed with a variety of methods using the Data Mining Tools of specialty, which,
Obtain more accurately query result, but these instruments have it is relatively strong professional, the professional person of non-statistical need to pass through compared with
Prolonged academic program could be used with practice, be not suitable for agricultural production and used with researcher.
(2) carried out using most of existing unprofessional data digging system, which on the market using C/S frameworks
Development ＆ construction, user is before data are operated using the system, it is necessary to installs corresponding desktop programs, in system more
Need to be unloaded and reinstalled during new upgrading so that the installation and later maintenance of system are more troublesome.
(3) agricultural Website based on web is used, these websites store substantial amounts of agricultural data, can also be inquired about and be shown
Show analysis result, but the exhibition method of data is generally only checked and download function, and the exhibition method of analysis result
The content analyzed simply is shown in the form of word and chart, the locus of data is not shown, it is impossible to
Intuitively expression of space is distributed, and the geographic association for being also unfavorable for data is analyzed and predicted.
The content of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of agricultural resource multi-source Spatial Data shared platform and its look into
Inquiry method, by being operated to the simplicity of magnanimity multi-source data query composition, realizes and multi-source heterogeneous agricultural resource data is carried out deeply
Degree excavates, and probes into rule, variation tendency and geographic association that data contain, reaches precisely production, management and decision-making.
To achieve the above object, the present invention takes following technical scheme：A kind of agricultural resource multi-source Spatial Data is shared flat
Platform, it is characterised in that：It include human-computer interaction interface, inquiry request module, inquiry request analysis module, query execution module,
Query Information integration module and database；The human-computer interaction interface is used to gather inquiry request input by user and return to look into
Ask as a result, and the inquiry request of collection is sent to the inquiry request module；The inquiry request module is used for input
Inquiry request carries out discriminant analysis, and the inquiry request for meeting criterion is sent to the inquiry request analysis module；Institute
State inquiry request analysis module to be handled for docking received inquiry request, the list of generation additional space inquiry constraints
Figure layer spatial data source inquiry request is simultaneously sent to the query execution module；The query execution module is used for basis and receives
The request of free hand drawing sheaf space data source query the database is inquired about, and query result is sent to the Query Information
Integration module；The Query Information integration module is used to integrate query result, and the people is sent to list or map view
Machine interactive interface is shown；The database is used for the multi-source Spatial Data for storing agricultural resource.
A kind of querying method of agricultural resource multi-source Spatial Data shared platform, it is characterised in that comprise the following steps：1)
The data information that user inquires about as needed is sent to by human-computer interaction interface and is looked into by human-computer interaction interface input inquiry demand
Ask request module；2) inquiry request module differentiates the inquiry request information of input, and the inquiry that will meet criterion
Request is sent to inquiry request analysis module；3) inquiry request analysis module is docked received inquiry request and is handled, and generates
The free hand drawing sheaf space data source query request Concurrency of additional space inquiry constraints is sent to query execution module；4) query execution
Module inquires about database according to the free hand drawing sheaf space data source query request received, and query result is sent to looking into
Ask information integration module；5) Query Information integration module is used to be sent to people after integrating query result with list or map view
Machine interactive interface is shown.
In the step 2), inquiry request module judges whether the inquiry request of input meets the method for criterion, bag
Include following steps：2.1) whether the inquiry request for judging input is provincial and query composition at county level, if it is, returning to mistake
Prompting, if it is not, then entering step 2.2)；2.2) whether the inquiry request for judging input is interprovincial query composition,
If it is, enter step 2.3), if it is not, then entering step 2.4)；2.3) judge input it is each it is provincial whether have the time, such as
Fruit has, and prompts first to select the time to carry out multi-source Spatial Data query composition again, if it is not, then being directly entered multi-source Spatial Data
Query composition, and the multi-source Spatial Data query composition request of input is sent to inquiry request analysis module；2.4) judge defeated
Enter it is each it is at county level whether have the time, if so, then prompt first to select the time to carry out multi-source Spatial Data query composition again, if
It is no, then multi-source Spatial Data query composition is directly entered, and the multi-source Spatial Data query composition request of input is sent to and is looked into
Ask requirement analysis module.
Due to taking above technical scheme, it has the following advantages the present invention：1. the present invention is with the more source spaces of agricultural resource
Data build database, realize polymorphic inquiry of agricultural resource multi-source heterogeneous spatial data, including synthesis is looked into
Inquiry, query composition, map click on inquiry and quick recommendation, can be obtained from multi-faceted, multidate mass data most complete
Face, most accurately data results.2nd, the present invention receives the inquiry request of operating personnel, operation letter with human-computer interaction interface
Just, inquiry content needed for need to only selecting, without carrying out academic program and practice, the scope of application is wider.3rd, the present invention passes through
Query Information integration module integrates query result, and agricultural resource data annual variation is shown in the form of tabular form and map
Change situation, the visual variation tendency for showing agricultural resource, query result are more directly perceived.Thus, the present invention can answer extensively
Field is inquired about for agricultural resource multi-source Spatial Data.
Brief description of the drawings
Fig. 1 is combination condition query flow chart of the present invention；
Fig. 2 is the inter-library province of the present invention with saving selection query composition schematic diagram；
Fig. 3 is the inter-library province of the present invention with saving selection query composition result (list) schematic diagram；
Fig. 4 is the inter-library province of the present invention with saving selection query composition result (map) schematic diagram；
Fig. 5 is the inter-library county of the present invention and county's selection query composition schematic diagram；
Fig. 6 is the inter-library county of the present invention and county's selection query composition result (list) schematic diagram；
Fig. 7 is the inter-library county of the present invention and county's selection query composition result (map) schematic diagram；
Fig. 8 is that the present invention is provincial and at county level be unable to query composition schematic diagram.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
A kind of agricultural resource multi-source Spatial Data shared platform provided by the invention, it includes human-computer interaction interface, inquiry
Request module, inquiry request analysis module, query execution module, Query Information integration module and database.Human-computer interaction circle
Face is used to gather inquiry request input by user and return to query result, and the inquiry request of collection is sent to inquiry request mould
Block；Inquiry request module is used to carry out the inquiry request of input discriminant analysis, and the inquiry request for meeting criterion is sent out
It is sent to inquiry request analysis module；Inquiry request analysis module is handled for docking received inquiry request, and generation is additional
The free hand drawing sheaf space data source query request Concurrency of space querying constraints is sent to query execution module；Query execution module is used
Database is inquired about according to the free hand drawing sheaf space data source query request received, and query result is sent to inquiry
Information integration module；Query Information integration module is used to be sent to human-computer interaction interface after integrating query result with list or ground
Diagram form is shown；Database is used for the multi-source Spatial Data for storing agricultural resource.
Based on above-mentioned agricultural resource multi-source Spatial Data shared platform, the present invention also provides a kind of more source spaces of agricultural resource
The querying method of data sharing platform, comprises the following steps：
1) data information that user inquires about as needed is by human-computer interaction interface input inquiry demand, by human-computer interaction circle
Face is sent to inquiry request module.
2) inquiry request module differentiates the inquiry request information of input, and the inquiry request that will meet criterion
It is sent to inquiry request analysis module.
As shown in Figure 1, it is combination condition query flow chart of the present invention.Inquiry request module carries out the inquiry request of input
Analysis, judges whether it meets the relation of query composition and constraints：
2.1) whether the inquiry request for judging input is provincial and query composition at county level, is carried if it is, returning to mistake
Show, if it is not, then entering step 2.2)；
2.2) whether the inquiry request for judging input is interprovincial query composition, if it is, entering step
2.3), if it is not, then entering step 2.4)；
2.3) judge input it is each it is provincial whether have the time, if then prompting first to select the time to carry out more source space numbers again
According to query composition, if it is not, then being directly entered multi-source Spatial Data query composition, and the multi-source Spatial Data combination of input is looked into
Ask request and be sent to inquiry request analysis module.
2.4) judge input it is each it is at county level whether have the time, if so, then prompting first to select the time to carry out more source spaces again
Data query composition, if it is not, then being directly entered multi-source Spatial Data query composition, and the multi-source Spatial Data of input is combined
Inquiry request is sent to inquiry request analysis module.
3) inquiry request analysis module is handled for docking received inquiry request, generation additional space inquiry constraint
The free hand drawing sheaf space data source query request Concurrency of condition is sent to query execution module.
After inquiry request analysis module receives inquiry request, on the one hand by search space data source directory, one
Need to retrieve the query statement of multiple figure layer spatial data sources, single figure layer spatial data source need only be retrieved by being transformed into several
Query statement.On the other hand by the spatial index table of search space data source catalogue module, looked into free hand drawing sheaf space data source
Ask in sentence, additional space inquiry constraints, so that query execution engine improves search efficiency.
4) query execution module is used to look into database according to the free hand drawing sheaf space data source query request received
Ask, and query result is sent to Query Information integration module.
Database stores multi-source Spatial Data with tree, and the multi-source Spatial Data of storage includes：Water resource, soil
The data such as ground resource, meteorological resources, ecological resources, rural area macroeconomy, remotely-sensed data, basic data, zoning resource.Wherein,
The data source of water resource is mainly Chinese Water Conservancy statistical yearbook, China Statistical Yearbook (water resource), water quality monitoring table, waterpower money
Source generaI investigation achievement, water resource publication, Chinese river and lake grand ceremony；The data source of land resource is mainly land resources yearbook, China
Statistical yearbook (land resource), grassland resources data set；The data source of meteorological resources is mainly website meteorological data, meteorological money
Source data；The data source of ecological resources is made a living goods and materials source data；The macroeconomic data source in rural area is mainly rural economy
Statistics, Animal Husbandry in China yearbook, rural area macroeconomy；Socioeconomic data, the level very much of national fundamental geographic database 400
River, industrial ecology protected zone；The data such as classical monograph, agricultural regionalization resource.The data format related generally to for spatial data,
Attribute data.Spatial data is mainly preserved with shape formatted files in ArcGIS, and proprietary data formats are database structure lattice
Formula and unstructured format storage.
Data in forming process because each system situation differs, according to scope of statistics (provincial, at county level) and timing statistics sequence
The difference of row (disposable generaI investigation or year generaI investigation), when database is established, establish water resource storehouse, land resource storehouse,
Climate resources storehouse, living resources storehouse and rural area macroeconomy storehouse, six big storehouse of agricultural regionalization resources bank, 18 class table spaces, 28 numbers
According to collection, 11249 index item, total amount of data reaches 400G.As shown in table 1 below~table 3, be respectively water resource, land resource and
The node display figure of rural area macroeconomy classification.Each data shown by multilevel menu, the template chosen according to user
Node carries out the displaying of node content, and the content displaying page is presented in the form of a tree.
1 water resource node display of table
2 land resource node display of table
3 rural area macroeconomy node display of table
5) Query Information integration module is used to be sent to human-computer interaction after integrating query result with list or map view
Interface is shown.
Query Information integration module is used for the service specified according to query composition input by user request and user, generates agriculture
The layers list of industry resource, selects corresponding figure layer to be overlapped, realizes the overlay analysis of agricultural resource by user.
Query Information integration module can also be shown the query result of tabular form in the form of map meets inquiry bar
The agricultural resource distribution situation of part, the visual geographical distribution and space correlation for showing agricultural resource.
Query Information integration module uses ORM frames, using existing relevant database, the relation data in database
Mapping is known as the object in program, and combining geographic information platform DMap API issues meet the clothes such as WMS services, WFS of OGC standards
The vector data of business, foreground visualize the agricultural resource distribution situation for meeting querying condition after rendering.
It is querying condition and the list exhibition method and map exhibition method of result as shown in Fig. 2~Fig. 8.It is in Fig. 2
Interprovincial query composition, Fig. 3 and Fig. 4 respectively with tabular form and map view to the comprehensive inquiry result in Fig. 2 into
Row displaying.Query composition between Tu5Wei Xianyu counties, Fig. 6 and Fig. 7 are respectively with the inquiry of tabular form and map view to Fig. 5
As a result it is shown.Fig. 8 is the querying condition mistake that input is then prompted when the inquiry request of input is province and combination at county level,
It cannot be inquired about.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection mode and manufacture craft etc. are all
It can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, should not exclude
Outside protection scope of the present invention.
Claims (3)
- A kind of 1. agricultural resource multi-source Spatial Data shared platform, it is characterised in that：It includes human-computer interaction interface, inquiry request Module, inquiry request analysis module, query execution module, Query Information integration module and database；The human-computer interaction interface is used to gather inquiry request input by user and returns to query result, and please by the inquiry of collection Ask and be sent to the inquiry request module；The inquiry request module is used to carry out the inquiry request of input discriminant analysis, and please by the inquiry for meeting criterion Ask and be sent to the inquiry request analysis module；The inquiry request analysis module is handled for docking received inquiry request, generation additional space inquiry constraint bar The free hand drawing sheaf space data source query request Concurrency of part is sent to the query execution module；The query execution module is used to carry out the database according to the free hand drawing sheaf space data source query request received Inquiry, and query result is sent to the Query Information integration module；The Query Information integration module is used to integrate query result, and the human-computer interaction is sent to list or map view Interface is shown；The database is used for the multi-source Spatial Data for storing agricultural resource.
- 2. a kind of querying method of agricultural resource multi-source Spatial Data shared platform using platform as claimed in claim 1, its It is characterized in that comprising the following steps：1) data information that user inquires about as needed is sent out by human-computer interaction interface input inquiry demand by human-computer interaction interface It is sent to inquiry request module；2) inquiry request module differentiates the inquiry request information of input, and the inquiry request for meeting criterion is sent To inquiry request analysis module；3) inquiry request analysis module is docked received inquiry request and is handled, the list of generation additional space inquiry constraints Figure layer spatial data source inquiry request is simultaneously sent to query execution module；4) query execution module inquires about database according to the free hand drawing sheaf space data source query request received, and will look into Result is ask to send to Query Information integration module；5) Query Information integration module is used to be sent to human-computer interaction interface after integrating query result with list or map view It is shown.
- A kind of 3. querying method of agricultural resource multi-source Spatial Data shared platform as claimed in claim 2, it is characterised in that： In the step 2), inquiry request module judges whether the inquiry request of input meets the method for criterion, including following step Suddenly：2.1) whether the inquiry request for judging input is provincial and query composition at county level, if it is, returning to miscue, such as Fruit is no, then enters step 2.2)；2.2) whether the inquiry request for judging input is interprovincial query composition, if it is, entering step 2.3), such as Fruit is no, then enters step 2.4)；2.3) judge input it is each it is provincial whether have the time, if then prompting first to select the time to carry out multi-source Spatial Data group again Inquiry is closed, if it is not, then multi-source Spatial Data query composition is directly entered, and please by the multi-source Spatial Data query composition of input Ask and be sent to inquiry request analysis module；2.4) judge input it is each it is at county level whether have the time, if so, then prompting first to select the time to carry out multi-source Spatial Data again Query composition, if it is not, then be directly entered multi-source Spatial Data query composition, and by the multi-source Spatial Data query composition of input Request is sent to inquiry request analysis module.
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