CN103399925A - Rainfall multidimensional analysis system based on hydrologic data and implementation method of rainfall multidimensional analysis system - Google Patents
Rainfall multidimensional analysis system based on hydrologic data and implementation method of rainfall multidimensional analysis system Download PDFInfo
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Abstract
The invention discloses a rainfall multidimensional analysis system based on hydrologic data and an implementation method of the rainfall multidimensional analysis system. According to the system, a hydrologic data warehouse module organizes and integrates preprocessed hydrologic data, an analysis model building module is responsible for whole design and building of a rainfall multidimensional analysis model, a data service module responds to data requests of an analytical graph development module, the analytical graph development module enables a user to choose visual display and data presentation modes of analysis reports and graphs, and an application integration module provides the user drill-through, slicing and rotary multidimensional analysis functions. According to the method, the rainfall multidimensional analysis model is built, various analytical graphs are developed, integrated definition and release of the developed analytical graphs are carried out, an operation request of the user is submitted to the data service module, a specific database inquiry request is generated, corresponding aggregation calculation is carried out on data obtained through inquiry, and the analytical graph development module carries out formatting processing and visual presentation on the result data.
Description
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Technical field
The present invention relates to a kind of dimensional analytic system of rainfall based on hydrographic data and its implementation.
Background technology
Rainfall is as an important step of water circulation, and the rainfall analysis is of great significance Regional Hydrologic research, water resources management, disaster alarm and the Study on Sustainable Development tool.Along with the development of China's water conservancy informationization, accumulated at present a large amount of valuable hydrographic features data informations, these historical summary data volumes are large, relation is complicated and have noise, need through rational cleaning treatment and good tissue design.
Current, the development of infotech just along from online issued transaction to on-line analysis, processing, from data, services to information with the future development of knowledge services.How research obtain from a large amount of, the historical rainfall data type complexity, analyzing the new focus that the information that is conducive to management decision has become the hydrological science development.
Therefore how research carries out efficient storage organization and quick-searching to a large amount of rainfall data of accumulation, for the user is provided at the multidimensional analysis ability that different angles and aspect are analyzed and added up, and provide the diversified data exhibiting modes such as form, figure, a kind of new thinking and method can be provided for the rainfall analysis in zone, can provide support for the decision-making management in area.
Summary of the invention
Goal of the invention: for problems of the prior art, the invention provides a kind of dimensional analytic system of rainfall based on hydrographic data and its implementation, based on the pretreated original hydrographic data of process, by unified, the effective tissue storage of carrying out of magnanimity rainfall historical data, be convenient to mass data is carried out to quick-searching and analysis; Simultaneously, for providing the variation of the multidimensional analysis functions such as the drilling through of rainfall data, stripping and slicing, rotation and analysis result, the user represents.
Technical scheme: a kind of dimensional analytic system of rainfall based on hydrographic data, comprise that hydrographic data warehouse module, analytical model build module, data service module, analysis diagram development module and application integration module, wherein:
Described hydrographic data warehouse module is based on the oracle database platform, and with the pretreated hydrographic data of mode organization integration management process of subject-oriented, data are with the form tissue storage of multi-dimensional data cube, for multidimensional analysis provides reliably, efficient Data support;
Described analytical model builds module by obtaining the metadata in hydrographic data warehouse, provide complete design, the constructing function of rainfall multidimensional analysis models, the definition and the constructing function that Physical layer, the logical layer of rainfall multidimensional analysis models namely are provided and represent layer three part;
The request of data of described data service module response frontal chromatography chart development module, by processing rainfall multidimensional analysis models metadata, from hydrographic data warehouse reading out data, and by the dimension of analyzing with stratum level is sued for peace accordingly to the rainfall data or peaked polymerization is calculated, the result data after finally polymerization being calculated feeds back to frontal chromatography chart development module;
The support of described analysis diagram development module based on data service module, by data being formatd to processing, provide the selection of visualization display and the data exhibiting mode of analytical statement and figure for the user.The analysis diagram development module provides abundant data exhibiting mode, and pivot chart, form, three kinds of ways of presentation of figure are arranged, and wherein pattern exhibition comprises bar chart, Line Chart, pie chart, bar chart, scatter diagram, bubble diagram, radar map.
Described application integration module by the analysis diagram of integration release analysis diagram development module, is carried out a plurality of analytical statements independent assortment and concentrates issue, for the user provides, drills through, the multidimensional analysis functions such as stripping and slicing, rotation.Module also provides the setting of overall filtrator in addition, can realize applying the unified request filtration of a plurality of forms of the page.
The physical model of described multi-dimensional data cube is organized realization by Star Schema, and physical model has time dimension, Spatial Dimension, administrative division dimension and total rainfall amount and two Measure Indexes of maximum odd-numbered day rainfall amount, wherein:
Described time dimension has four polymerization ranks, is respectively from high to low year, the moon, ten days, day;
Described Spatial Dimension has four polymerization ranks, is respectively from high to low basin, water system, river, survey station;
Described administrative division dimension has three polymerization ranks, is respectively from high to low provincial, city-level, at county level;
Described total rainfall amount tolerance is that summation (SUM) is calculated in the gathering account form of different dimensions level;
Described maximum odd-numbered day rainfall amount tolerance is that maximizing (MAX) calculates at the clustered pattern of different dimensions level.
The rainfall multidimensional analysis models, can be divided into Physical layer, logical layer and represent layer three part, wherein:
Described Physical layer comprises rainfall and analyzes the connection definition of data source and the metadata information of analyzing required related physical table;
Described logical layer defines the logical model of multidimensional analysis on the basis of Physical layer, comprise the design of dimension, rank etc. and the polymerization methods definition of rainfall tolerance; The definition of logical layer, based on the multi-dimensional data cube model, comprises that definition is calculated in the polymerization of time dimension, Spatial Dimension, three logic dimensions of administrative division dimension and other definition of level thereof and total rainfall amount and two Measure Indexes of maximum odd-numbered day rainfall amount.
The described layer that represents provides user oriented rainfall to analyze to simplify view, hide and analyze irrelevant information, only keeps the field information be concerned about and is described with term intuitively.
A kind of implementation method of the dimensional analytic system of the rainfall based on hydrographic data, comprise the steps:
Step S200, utilize analytical model to build modular design and build the rainfall multidimensional analysis models;
Step S205, based on the rainfall multidimensional analysis models, utilize the analysis diagram development module to design and develop various analysis diagram;
Step S210, the system manager is integrated into the same analysis page to the analysis diagram of exploitation in the application integration module, and arrange required synchronous and trigger, to realize multi-object, a multi-angular analysis on the page, for the user provides comprehensively, analytic function flexibly; The integrated page that finally will define is issued, and user oriented rainfall multidimensional analysis service is provided;
Step S215, the user submits the interactive analysis request at the analysis page of issue, and corresponding analysis diagram obtains user's operation requests;
Step S220, analysis diagram is committed to data service module by user's operation requests, and data service module, according to the metadata of request analysis rainfall multidimensional analysis models, generates concrete data base querying request;
Step S225, hydrographic data warehouse response data inquiry request, data service module will be inquired about the tolerance of the data based requirement analysis of basic rainfall amount that obtains, by the dimension of analyzing with rank is sued for peace accordingly or peaked polymerization is calculated, and by result feedback to frontal chromatography chart development module;
Step S230, analysis diagram exploitation mould formats and processes and visual representing result data.
The construction step of described rainfall multidimensional analysis models is as follows:
Step S100, utilize average and the level and smooth method of consecutive value commonly used, will carry out the pretreatment operation such as processing empty value and outlier processing from the River Basin Hydrology rainfall data that multiple heterogeneous data source obtains, and obtains unifying, and associated data set is analyzed in high-quality rainfall;
Step S105, will by the cubical institutional framework of rainfall subject data of design, carry out corresponding conversion process through pretreated data set, and the dimension data, the rainfall factual data that after changing, will generate are loaded on the hydrographic data warehouse;
Step S110, utilize analytical model to build the connection of module definition data warehouse, imports the metadata information that the related physical table is analyzed in rainfall;
Step S115, utilize analytical model to build module, defines the logical table corresponding with each physics table, and logical table keeps the original structure of physics table and relation, but has shielded the information relevant to concrete storage platform;
Step S120, on the basis of logic dimension table, set up logic dimension and the stratum level thereof corresponding with the logic dimension table, defines the mapping relations of each rank and logical table interfield;
Step S125, on the basis of the logic dimension table that builds, define summation polymerization computation rule and the maximum odd-numbered day rainfall amount tolerance maximizing polymerization computation rule on each dimension of total rainfall amount tolerance on each logic dimension.
Step S130, define the expression table corresponding with each logical table, and presentation surface, to the analyst, by fields such as hiding main external keys, only keeps the information relevant with analysis and also in visual and understandable mode, names; Final analysis diagram will design based on the content of expression table and represent.
Beneficial effect: compared with prior art, the dimensional analytic system of the rainfall based on hydrographic data provided by the present invention and its implementation have following advantage:
The rainfall multidimensional analysis models provide magnanimity rainfall data a kind of unification, organize storage mode efficiently, guaranteed the quality of data and the high efficiency of retrieval and analysis, model commonality is strong, can adapt to the multiple hydrographic data except the rainfall data; Based on the data analysis system of rainfall multidimensional analysis models, powerful analysis diagram designed capacity is provided, can provide rainfall multidimensional analysis ability flexible and changeable and the height customizable for the user; The rich and varied data exhibiting modes such as pivot chart, form, bar chart, Line Chart, pie chart, can be for the user provides at many levels, the data exhibiting ability of multi-angle.
The accompanying drawing explanation
Fig. 1 is the system architecture diagram of the embodiment of the present invention;
Fig. 2 is the physical model dimension schematic diagram of the multi-dimensional data cube of the embodiment of the present invention;
Fig. 3 is the logical model structural drawing of the rainfall multidimensional analysis models of the embodiment of the present invention;
Fig. 4 is the implementation method process flow diagram of the embodiment of the present invention;
Fig. 5 is the structure process flow diagram of the rainfall multidimensional analysis models of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is not used in and limits the scope of the invention be used to the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, based on the rainfall dimensional analytic system of hydrographic data, comprise that hydrographic data warehouse module 100, analytical model build module 200, data service module 300, analysis diagram development module 400 and application integration module 500, wherein:
Hydrographic data warehouse module 100 is based on the oracle database platform, with the mode organization integration management process processing empty value of subject-oriented, the hydrographic data of exceptional value, data are with the form tissue storage of multi-dimensional data cube, for multidimensional analysis provides reliably, efficient Data support;
Analytical model builds module 200 by obtaining hydrographic data warehouse metadata, and complete design, the constructing function of rainfall multidimensional analysis models is provided;
The request of data of data service module 300 response frontal chromatography chart development module 400, by processing rainfall multidimensional analysis models metadata, (the hydrographic data warehouse hydrographic data warehouse module 100) reading out data from the hydrographic data warehouse, and by the dimension of analyzing with stratum level is sued for peace accordingly to the rainfall data or peaked polymerization is calculated, finally result data is fed back to frontal chromatography chart development module 400;
The support of analysis diagram development module 400 based on data service modules 300, by data being formatd to processing, provide the visual design, the development function of analytical statement and figure for the user.Analysis diagram development module 400 provides abundant data exhibiting mode, and pivot chart, form, three kinds of ways of presentation of figure are arranged, and wherein pattern exhibition comprises bar chart, Line Chart, pie chart, bar chart, scatter diagram, bubble diagram, radar map;
The analysis diagram that application integration module 500 is designed and developed by integration release, carry out a plurality of analytical statements of exploitation independent assortment and concentrate the function of issue, for the user provides, drills through, the multidimensional analysis functions such as stripping and slicing, rotation.Application integration module in addition 500 also provides the setting of overall filtrator, can realize applying the unified request filtration of a plurality of forms of the page.
The physical model structure of multi-dimensional data cube is organized realization by Star Schema, its conceptual model structure as shown in Figure 2, have time dimension 101, Spatial Dimension 102, administrative division dimension 103 and total rainfall amount 104 and 105 two Measure Indexes of maximum odd-numbered day rainfall amount, wherein:
Time dimension 101 has four polymerization ranks, is respectively from high to low year, the moon, ten days, day;
Spatial Dimension 102 has four polymerization ranks, is respectively from high to low basin, water system, river, survey station;
Administrative division dimension 103 has three polymerization ranks, is respectively from high to low provincial, prefecture-level, at county level;
Rainfall multidimensional analysis models, its logical model structure as shown in Figure 3, specifically comprise rainfall amount fact table FACT_HY 111, time dimension table DIM_TM 112, space dimension table DIM_RV 113 and administrative division dimension table DIM_ADDV 114, wherein:
The concrete list structure of rainfall amount fact table FACT_HY 111 is:
The concrete list structure of time dimension table DIM_TM 112 is:
The concrete list structure of space dimension table DIM_RV 113 is:
The concrete list structure of administrative division dimension table DIM_ADDV 114 is:
Implementation method based on the rainfall dimensional analytic system of hydrographic data, as shown in Figure 4, comprise the steps:
Step S200, model development person utilize analytical model to build module 200 design construction rainfall multidimensional analysis modelses.
Step S205, analytical statement developer, based on the rainfall multidimensional analysis models, utilize analysis diagram development module 400 to design and develop various analysis diagram.
Step S210, the system manager is integrated into the same analysis page to the analysis diagram of exploitation in application integration module 500, and arrange required synchronous and trigger, to realize multi-object, a multi-angular analysis on the page, for the user provides comprehensively, analytic function flexibly; The integrated page that finally will define is issued, and user oriented rainfall multidimensional analysis service is provided.
Step S215, the user submits the interactive analysis request at the analysis page of issue, and corresponding analysis diagram development module 400 is obtained user's operation requests.
Step S220, analysis diagram development module 400 is committed to data service module 300 by user's request, and data service module 300, according to the metadata of request analysis rainfall multidimensional analysis models, generates concrete data base querying request.
Step S225, hydrographic data warehouse module 100 response data inquiry request, data service module 300 will be inquired about the data that obtain and carry out corresponding polymerization calculating, and by result feedback to frontal chromatography chart development module 400.
Step S230,400 pairs of result datas of chart development module format and process and visual representing.
As shown in Figure 5, the construction step of rainfall multidimensional analysis models is as follows:
Step S100, will carry out the pretreatment operation such as outlier processing from the River Basin Hydrology rainfall data that multiple heterogeneous data source obtains, and obtain unifying, and associated data set is analyzed in high-quality rainfall.
Step S105, pretreated data set is carried out to corresponding conversion process by the cubical institutional framework of rainfall subject data of design, and the dimension data, the rainfall factual data that after changing, will generate are loaded on the hydrographic data warehouse in hydrographic data warehouse module 100.
Step S110, utilize analytical model to build the connection in module 200 definition hydrographic data warehouses, imports the metadata information that the related physical table is analyzed in rainfall.
Step S115, utilize analytical model to build module 200, defines the logical table corresponding with each physics table, and logical table keeps the original structure of physics table and relation, but has shielded the information relevant to concrete storage platform.
Step S120, on the basis of logic dimension table, set up logic dimension and the stratum level thereof corresponding with the dimension table, defines the mapping relations of each rank and logical table interfield.
Step S125, on the basis of the logic dimension table that builds, define summation polymerization computation rule and the maximum odd-numbered day rainfall amount tolerance maximizing polymerization computation rule on each dimension of total rainfall amount tolerance on each logic dimension.
Step S130, define the expression table corresponding with each logical table, presentation surface is to the analyst, by fields such as hiding main external keys, only keep to analyzing relevant rainfall metric and time, basin water system decile and analyse dimensional information, and with business analyst's know and visual and understandable mode, name the information of these reservations.Final analysis diagram will design based on the content of expression table and represent.
The undeclared part that relates in the present invention is same as the prior art.
Claims (7)
1. dimensional analytic system of the rainfall based on hydrographic data is characterized in that: comprise that hydrographic data warehouse module, analytical model build module, data service module, analysis diagram development module and application integration module, wherein:
Described hydrographic data warehouse module is based on the oracle database platform, and with the pretreated hydrographic data of mode organization integration management process of subject-oriented, data are with the form tissue storage of multi-dimensional data cube;
Described analytical model builds module by obtaining the metadata in hydrographic data warehouse, and complete design, the constructing function of rainfall multidimensional analysis models is provided;
The request of data of described data service module response frontal chromatography chart development module, by processing rainfall multidimensional analysis models metadata, from hydrographic data warehouse reading out data, and carry out corresponding polymerization calculating, finally result data is fed back to frontal chromatography chart development module;
The support of described analysis diagram development module based on data service module, by data being formatd to processing, provide the selection of visualization display and the data exhibiting mode of analytical statement and figure for the user; The data exhibiting mode of analysis diagram development module has pivot chart, form, three kinds of ways of presentation of figure;
The analysis diagram that described application integration module is designed and developed by integration release, drill through for the user provides, stripping and slicing and rotation multidimensional analysis function.
2. the dimensional analytic system of the rainfall based on hydrographic data as claimed in claim 1, it is characterized in that: the physical model of described multi-dimensional data cube is organized realization by Star Schema, physical model has time dimension, Spatial Dimension, administrative division dimension and total rainfall amount and two Measure Indexes of maximum odd-numbered day rainfall amount, wherein:
Described time dimension has four polymerization ranks, is respectively from high to low year, the moon, ten days, day;
Described Spatial Dimension has four polymerization ranks, is respectively from high to low basin, water system, river, survey station;
Described administrative division dimension has three polymerization ranks, is respectively from high to low provincial, city-level, at county level;
Described total rainfall amount tolerance is read group total in the gathering account form of different dimensions level;
Described maximum odd-numbered day rainfall amount tolerance is that maximizing calculates at the clustered pattern of different dimensions level.
3. the dimensional analytic system of the rainfall based on hydrographic data as claimed in claim 1 is characterized in that: the rainfall multidimensional analysis models, and be divided into Physical layer, logical layer and represent layer three part, wherein:
Described Physical layer comprises rainfall and analyzes the connection definition of data source and the metadata information of analyzing required related physical table;
Described logical layer defines the logical model of multidimensional analysis on the basis of Physical layer, comprise the design of dimension, rank etc. and the polymerization methods definition of rainfall tolerance;
The described layer that represents provides user oriented rainfall to analyze to simplify view, hide and analyze irrelevant information, only keeps the field information be concerned about and is described with term intuitively.
4. the dimensional analytic system of the rainfall based on hydrographic data as claimed in claim 1, it is characterized in that: the pattern exhibition of described analysis diagram development module comprises bar chart, Line Chart, pie chart, bar chart, scatter diagram, bubble diagram and radar map; The user can select to comprise the multiple analytical statement of form, figure and chart combination.
5. the dimensional analytic system of the rainfall based on hydrographic data as claimed in claim 1 is characterized in that: a plurality of analytical statements are carried out to independent assortment and concentrate issue, for the user provides, drill through, stripping and slicing, rotation multidimensional analysis function; Application integration module in addition also provides the setting of overall filtrator, realizes that the unified request of a plurality of forms of the application page is filtered.
6. the implementation method of the dimensional analytic system of the rainfall based on hydrographic data, is characterized in that, comprises the steps:
Step S200, utilize analytical model to build modular design and build the rainfall multidimensional analysis models;
Step S205, based on the rainfall multidimensional analysis models, utilize the analysis diagram development module to design and develop various analysis diagram;
Step S210, system manager carry out integrated definition and issue to the analysis diagram of exploitation in the application integration module, for the user provides rainfall multidimensional analysis service;
Step S215, the user submits the interactive analysis request at the analysis page of issue, and corresponding analysis diagram obtains user's operation requests;
Step S220, analysis diagram is committed to data service module by user's operation requests, and data service module, according to the metadata of request analysis rainfall multidimensional analysis models, generates concrete data base querying request;
Step S225, hydrographic data warehouse response data inquiry request, data service module will be inquired about the data that obtain and carry out corresponding polymerization calculating, and result feedback to frontal chromatography chart is developed to mould;
Step S230, analysis diagram exploitation mould formats and processes and visual representing result data.
7. the implementation method of the dimensional analytic system of the rainfall based on hydrographic data as claimed in claim 6, is characterized in that, the construction step of described rainfall multidimensional analysis models is as follows:
Step S100, will carry out the pretreatment operation such as outlier processing from the River Basin Hydrology rainfall data that multiple heterogeneous data source obtains, and obtain unified rainfall and analyze associated data set;
Step S105, carry out corresponding conversion process by pretreated data set, by the cubical institutional framework of rainfall subject data that designs, is loaded on the hydrographic data warehouse;
Step S110, utilize analytical model to build the connection of module definition data warehouse, imports the metadata information that the related physical table is analyzed in rainfall;
Step S115, utilize analytical model to build module, defines the logical table corresponding with each physics table;
Step S120, on the basis of logic dimension table, set up logic dimension and the stratum level thereof corresponding with the logic dimension table, defines the mapping relations of each rank and logical table interfield;
Step S125, on the basis of the logic dimension table that builds, the polymerization computation rule of definition Measure Indexes on the Different Logic dimension;
Step S130, define the expression table corresponding with each logical table, and presentation surface, to the analyst, by fields such as hiding main external keys, only keeps the information relevant with analysis and also in visual and understandable mode, names; Final analysis diagram will design based on the content of expression table and represent.
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