CN103778564A - Lightweight geographical analysis method for facility agriculture meteorology early warning - Google Patents
Lightweight geographical analysis method for facility agriculture meteorology early warning Download PDFInfo
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- CN103778564A CN103778564A CN201410061500.6A CN201410061500A CN103778564A CN 103778564 A CN103778564 A CN 103778564A CN 201410061500 A CN201410061500 A CN 201410061500A CN 103778564 A CN103778564 A CN 103778564A
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Abstract
The invention relates to the field of agriculture meteorology hazard early warning, in particular to a lightweight geographical analysis method for facility agriculture meteorology early warning based on an ArcGIS Engine. The method includes the steps that (1), regional geographic information of facility agriculture meteorology early warning is obtained; (2), a geographic information database of the facility agriculture meteorology early warning is established; (3), data of all meteorology stations of a facility agriculture meteorology early warning system are obtained; (4), interpolation analysis is performed on all the meteorology stations; (5), contour line drawing and contour surface partitioning are performed on the geographic data on which the interpolation analysis is performed; (6), after the geographic analysis, the data are exported to be images needed by a user. A c# language is used in cooperation with the ArcGIS engine method for performing the geographic data analysis on the facility agriculture meteorology early warning, so that errors and labor consumption caused by manual usage of tools are avoided, and the load of performing geographic data analysis is effectively reduced.
Description
Technical field
A kind of industrialized agriculture weather warning of the present invention light weight geoanalysis method relates to agrometeorological hazard early warning field, relates in particular to a kind of industrialized agriculture weather warning light weight geoanalysis method based on ArcGis Engine.
Background technology
Industrialized agriculture is the modern agricultural production mode that integrates engineering, infotech, biotechnology, Environmental Technology.The core of industrialized agriculture is can Effective Regulation to facility internal environment, construction is suitable for biological growth and development and the fresh-keeping optimal environmental condition of agricultural storage, and collection to industrialized agriculture weather information, processing, analysis can provide important reference decision information to the regulation and control of facility internal environment.
Traditional meteorologic early-warning method mainly adopts artificial use geography information software to carry out early warning analysis to the weather information gathering, and exists that iterative task is many, the feature of waste of manpower.Although the geoanalysis method based on WebGIS of present stage can make user carry out in time geoanalysis, the foundation of backstage geoanalysis model, and user's repetitive requests can cause the great burden of server.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of industrialized agriculture weather warning light weight geoanalysis method, it is a kind of industrialized agriculture weather warning light weight geoanalysis method based on ArcGis Engine, solved the heavy burden of industrialized agriculture weather warning geoanalysis, based on this light weight geoanalysis method can be in time, efficiently industrialized agriculture weather warning data are carried out to geoanalysis.
A kind of industrialized agriculture weather warning light weight geoanalysis method realizes by the following technical solutions:
A kind of industrialized agriculture weather warning light weight geoanalysis method, comprises the following steps:
1) obtain the regional geography information of industrialized agriculture weather warning
The ArcMap software of use ArcGIS carries out registration rectification to area map and sets up the geographical co-ordinate system in this region, wherein need the geography information of extracting to comprise the planar information in region of each prefecture-level city, the point-like information of provincial boundaries, three kinds, circle of city wire information and each meteorological observation website;
2) set up industrialized agriculture weather warning regional geography information database
Use the ArcCatalog of ArcGIS to the regional geography information architecture regional geography information database obtaining in step 1), described regional geography information database has comprised individual regional geography information bank, data set, polygon key element, wire key element and point-like key element;
The concrete steps that build regional geography information database comprise,
A) model personal regional geography information database (being Personal Geodatabase), described individual regional geography information database is used for storage area geography information;
B) a newly-built data set (being Feature Dataset) in individual regional geography information database described in step a), the geographical co-ordinate system using the geographical co-ordinate system using in step 1) as this data set;
C) in the newly-built polygon key element of the data centralization described in step b) and planar the prefecture-level city in step 1) information is imported to described data centralization;
D) in newly-built two the wire key elements of the data centralization described in step b) and the provincial boundaries in step 1), circle of city information are imported to described data centralization;
E) in the newly-built point-like key element of the data centralization described in step b) and the meteorological site information in step 1) is imported to described data centralization;
3) obtain the data of the each meteorological site of industrialized agriculture weather warning system
From external data base, read the weather data information of each meteorological site, the data that read are write in the meteorological site attribute list in individual regional geography information database; Described weather data information comprises the grade of temperature, humidity, meteorological disaster etc.
4) each meteorological site is carried out to interpolation analysis
Use c# language call ArcGIS Engine instrument to carry out interpolation analysis to the weather information of meteorological site; Owing to only may collect the weather information of several meteorological site in actual conditions, so need to predict the weather information a little being gone up in whole region with interpolation method.Described interpolation method be gram in golden interpolation, temperature, humidity and meteorological disaster class information to each meteorological site carry out interpolation analysis, and preserve the result after interpolation;
5) to carrying out, the geodata of interpolation analysis is carried out isoplethes drawing and contour surface is divided
The temperature and humidity data of carrying out after interpolation analysis are carried out to isoplethes drawing, described method for drafting is that the contour method of calling ISurfaceOp interface is carried out, can be by IRasterAnalysisEnvironment interface in the time of isoplethes drawing the attribute such as the precision to isoplethes drawing arrange, the isoline of generation is kept at step 2 as wire key element) data centralization that generates.The disaster class information carrying out after interpolation analysis is carried out to Isosurface construction, described method for drafting is that the ReclassByRemap method of calling IReclassOp interface is carried out reclassification, according to red, orange, yellow, green, blue five kinds of classification standards, map area is divided, generate the new regional geography information with grade classification, the contour surface of generation is kept at step 2 as area pattern) generate data centralization.
6) data of carrying out after geoanalysis are exported as to the picture that user needs
By step 2) prefecture-level city's polygon key element, provincial boundaries wire key element, circle of city present situation key element in the regional geography information database that generates generate three figure layers, and generate figure layer and can pass through IFeature Interface realization.Three isoline of scheming to generate in layer and step 5) that generate are written in map window (IMap).Use the figure Core Generator IExport interface of ArcGIS Engine to carry out picture derivation.In the process deriving at picture, can use IMapSourroundFrame framework to carry out layout to the form of picture, use IElement interface to add picture header, use northArrowElement interface editor north arrow, use ILegend interface editor legend.
The present invention uses c# to carry out the geodata analysis of industrialized agriculture weather warning in conjunction with the method for ArcGIS Engine, has avoided artificial use instrument to analyze error and the manpower that may bring and has expended.Meanwhile, the Geographic Information System that the present invention sets up operates in server background, adopts timing to carry out the method for geoanalysis generating pictures, has effectively alleviated the burden that geodata is analyzed.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is the geodata of provincial boundaries, embodiment of the present invention Jiangsu Province, circle of city, territory, each region urban district and meteorological site;
Fig. 2 is the map preview format chart of prefecture-level city's circle information of embodiment of the present invention Jiangsu Province geographic information database;
Fig. 3 is the table preview format figure of the each meteorological site information in embodiment of the present invention Jiangsu Province;
Fig. 4 is that embodiment of the present invention c# generates Jiangsu Province's high humility isogram of one day automatically in conjunction with ArcGIS Engine;
Fig. 5 is that embodiment of the present invention c# generates Jiangsu Province's contour surface weather warning map (tomato is few according to disaster alarm figure) automatically in conjunction with ArcGIS Engine.
In figure: 1, provincial boundaries, 2, circle of city, 3, city, 4, meteorological observation website.
Embodiment
With reference to accompanying drawing 1 ~ 5, a kind of industrialized agriculture weather warning of the present invention light weight geoanalysis method, comprises the following steps:
1) obtain the regional geography information of industrialized agriculture weather warning;
2) set up industrialized agriculture weather warning regional geography information database;
3) obtain the data of the each meteorological site of industrialized agriculture weather warning system;
4) each meteorological site is carried out to interpolation analysis;
5) to carrying out, the geodata of interpolation analysis is carried out isoplethes drawing and contour surface is divided;
6) data of carrying out after geoanalysis are exported as to the picture that user needs.
Be example take Jiangsu Province below, the implementation step of concrete technology is elaborated.
Industrialized agriculture weather warning light weight geoanalysis method, comprises the following steps:
1) obtain the regional geography information (obtaining the regional geography information of industrialized agriculture weather warning) in Jiangsu Province
Use the ArcMap software of ArcGIS to carry out registration rectification to the administrative region map in Jiangsu Province, and extract respectively the planar regional geography information in each city 3 of Jiangsu Province, the provincial boundaries 1 in Jiangsu Province and circle of city 2 wire information, and the point-like information of each meteorological observation website 4, the data after extraction as shown in Figure 1.
2) set up Jiangsu Province's geographic information database, set up industrialized agriculture weather warning regional geography information database
Use the ArcCatalog instrument of ArcGIS to the regional geography information architecture regional geography information database obtaining in step 1);
The concrete steps that build regional geography information database comprise,
A) set up a Personal Geodatabase catalogue;
B) a newly-built Feature Dataset under Personal Geodatabase catalogue, and guarantee that the coordinate system of this data set is consistent with the coordinate system of the Jiangsu Province's point, line, surface geography information in embodiment 1;
C-e), by the planar data in the each city of Jiangsu Province extracting, the wire data on border and the point-like data of each meteorological observation website are stored in respectively this data centralization.Shown in Fig. 2 take Study of Cities in Jiangsu Province circle information (map preview form) as example.
3) obtain the weather data (obtaining the data of the each meteorological site of industrialized agriculture weather warning system) of the each meteorological site in Jiangsu Province
Use c# to realize the automatic geoanalysis of Jiangsu Province's industrialized agriculture weather warning data in conjunction with ArcGIs Engine secondary development tool.The newly-built IWorkspace of attribute information editor of meteorological site is edited space and sets up IFeatureClassWrite interface point-like data are carried out to assignment.The weather data information (table preview format) of the each meteorological site in Jiangsu Province as shown in Figure 3.
4) data of the each meteorological site in Jiangsu Province are carried out to interpolation analysis
The IInterpolationOp interface that calls ArcGIS Engine carries out interpolation, interpolation method select gram in golden interpolation, newly-generated interpolation is kept in new figure layer, the coordinate system of new figure layer must be consistent with the coordinate system of Jiangsu Province's geographic information data.
5) data after interpolation analysis are carried out to isoplethes drawing and contour surface division
Figure layer after interpolation analysis being called to the contour method of ISurfaceOp interface carries out isoplethes drawing and generates new wire information.Figure layer after interpolation analysis is called to the ReclassByRemap method of IReclassOp interface and carry out reclassification, geodata is divided and saved as new planar information according to grade.
6) generate Jiangsu Province's industrialized agriculture weather warning isogram and contour surface figure
By in the geography information component layer loading systems such as region, Ge city of Jiangsu Province, provincial boundaries, circle of city, meteorological site, and isogram layer and the contour surface of generation are written into.The picture that uses IMapSourroundFrame framework to generate hope carries out layout, uses ILegend interface to arrange legend, uses IElement interface to edit Word message, uses northArrowElement to edit north arrow element.As shown in Figure 4, the contour surface figure of generation as shown in Figure 5 for the isogram generating.
Claims (8)
1. an industrialized agriculture weather warning light weight geoanalysis method, is characterized in that: comprises the following steps,
1) obtain the regional geography information of industrialized agriculture weather warning;
2) set up industrialized agriculture weather warning regional geography information database;
3) obtain the data of the each meteorological site of industrialized agriculture weather warning system;
4) each meteorological site is carried out to interpolation analysis;
5) to carrying out, the geodata of interpolation analysis is carried out isoplethes drawing and contour surface is divided;
6) data of carrying out after geoanalysis are exported as to the picture that user needs.
2. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 1, it is characterized in that: described step 1) is used the ArcMap software of ArcGIS to carry out registration rectification to area map and sets up the geographical co-ordinate system in this region, wherein need the geography information of extracting to comprise the planar information in region of each prefecture-level city, the point-like information of provincial boundaries, three kinds, circle of city wire information and each meteorological observation website.
3. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 1, it is characterized in that: described step 2) use the ArcCatalog of ArcGIS to the regional geography information architecture regional geography information database obtaining in step 1), described regional geography information database comprises individual regional geography information bank, data set, polygon key element, wire key element and point-like key element.
4. according to a kind of industrialized agriculture weather warning light weight geoanalysis method described in claim 1 or 3, it is characterized in that: the concrete steps that build described regional geography information database comprise,
A) model personal regional geography information database, described individual regional geography information database is used for storage area geography information;
B) a newly-built data set in individual regional geography information database described in step a), the geographical co-ordinate system using the geographical co-ordinate system using in step 1) as this data set;
C) in the newly-built polygon key element of the data centralization described in step b) and planar the prefecture-level city in step 1) information is imported to described data centralization;
D) in newly-built two the wire key elements of the data centralization described in step b) and the provincial boundaries in step 1), circle of city information are imported to described data centralization;
E) in the newly-built point-like key element of the data centralization described in step b) and the meteorological site information in step 1) is imported to described data centralization.
5. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 1, is characterized in that: described step 4) is used c# language call ArcGIS Engine instrument to carry out interpolation analysis to the weather information of meteorological site; Owing to can only collect the weather information of several meteorological site in actual conditions, so need to predict the weather information a little being gone up in whole region with interpolation method; Described interpolation method be gram in golden interpolation, temperature, humidity and meteorological disaster level information to each meteorological site are carried out interpolation analysis, and preserve the result after interpolation.
6. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 1, it is characterized in that: described step 5) is carried out isoplethes drawing to the temperature and humidity data of carrying out after interpolation analysis, described method for drafting is that the contour method of calling ISurfaceOp interface is carried out, can be by IRasterAnalysisEnvironment interface in the time of isoplethes drawing the attribute such as the precision to isoplethes drawing arrange, the isoline of generation is kept at step 2 as wire key element) data centralization that generates; The disaster class information carrying out after interpolation analysis is carried out to Isosurface construction, described method for drafting is that the ReclassByRemap method of calling IReclassOp interface is carried out reclassification, according to red, orange, yellow, green, blue five kinds of classification standards, map area is divided, generate the new regional geography information with grade classification, the contour surface of generation is kept at step 2 as area pattern) generate data centralization.
7. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 1, it is characterized in that: described step 6) is by step 2) prefecture-level city's polygon key element, provincial boundaries wire key element, circle of city present situation key element in the regional geography information database that generates generate three figure layers, generates figure layer by IFeature Interface realization; Three isoline of scheming to generate in layer and step 5) that generate are written in map window; Use the figure Core Generator IExport interface of ArcGIS Engine to carry out picture derivation.
8. a kind of industrialized agriculture weather warning light weight geoanalysis method according to claim 7, it is characterized in that: in the process deriving at described picture, use IMapSourroundFrame framework to carry out layout to the form of picture, use IElement interface to add picture header, use northArrowElement interface editor north arrow, use ILegend interface editor legend.
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| CN104408139A (en) * | 2014-11-28 | 2015-03-11 | 东莞中国科学院云计算产业技术创新与育成中心 | Weather forecast based intelligent plan treatment system and method |
| CN104851047A (en) * | 2015-05-08 | 2015-08-19 | 西安理工大学 | Agricultural meteorological factor online spatial visualization analysis method |
| CN104850902A (en) * | 2015-05-08 | 2015-08-19 | 西安理工大学 | Regional agricultural key farming season online visualization prediction method |
| CN106201206A (en) * | 2016-07-11 | 2016-12-07 | 广州大气候农业科技有限公司 | The display packing of agricultural product information |
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| CN104408139A (en) * | 2014-11-28 | 2015-03-11 | 东莞中国科学院云计算产业技术创新与育成中心 | Weather forecast based intelligent plan treatment system and method |
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Application publication date: 20140507 |