CN104392386A - Power network resource GIS application grid segmentation method based on GIS platform - Google Patents
Power network resource GIS application grid segmentation method based on GIS platform Download PDFInfo
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- CN104392386A CN104392386A CN201410489465.8A CN201410489465A CN104392386A CN 104392386 A CN104392386 A CN 104392386A CN 201410489465 A CN201410489465 A CN 201410489465A CN 104392386 A CN104392386 A CN 104392386A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention relates to a power network resource GIS application grid segmentation method based on a GIS platform. The method comprises the following steps: compiling and disposing GIS power network resource platform rear-end server codes; performing grid division on geological area in a GIS platform by use of a finite element grid automatic generation parallel area division algorithm; dynamically scheduling the compiling and disposition of a layer algorithm; a GIS platform rear end pushing integrated equipment information to a GIS platform front end; and a GIS platform front-end displaying container displaying a correlation effect. The geological area grid division is quite high in automation and satisfies the demands for space data diversification and resource dynamics. Reasonable indexes are established for GIS platform power network resource equipment position and power network running state information, the data reading efficiency is accelerated, the uniqueness of the data of the platform power network resource equipment position and power network running state information is ensured, the frequency of the GIS platform accessing into a disc is reduced, and the retrieval efficiency is improved.
Description
(1) technical field
The present invention relates to GIS technology, be specifically related to the power network resources GIS application grid cutting method based on GIS platform of a kind of parallel domain splitting algorithm of automatically generating about finite element grid and the application process based on the multiple approximate index research of R-tree.
(2) background technology
Grid GIS utilizes existing gridding technique, dimensional information's basic installation, Information Network protocol specification, form a Virtual space information management and processing environment, various equipment that distributed by space and geographical, isomery and system are carried out integrated, provide the intelligent information platform of the spatial information application service of integration for user.
Index is the catalogue on ordinary meaning, is commonly used to indicate a kind of corresponding relation between physical record and logical record in computer digital animation, and its form of expression is generally concordance list or index file.In Aerospace Data Systems, because data volume is huger and spatial data object more complicated, when system is inquired about spatial data object, in order to improve system queries efficiency, need to set up Indexing Mechanism.
In GIS platform, mix, during grid division because space multivariate data data volume is large, cell data amount is very large, when calculating, has a strong impact on GIS platform operational efficiency, and when setting up index for space multivariate data, magnetic disc i/o access times also can be increased, reduce recall precision.
In in November, 2009 Surveying and mapping, Lin Weihua etc. are proposed by the multiple approximate index research based on R-tree: when retrieving, coarse filtration stage test entity is inside and outside approximate, if close beta is true value just do not need to carry out the process in detailed survey stage, thus reduces access disk I/0 time number and improve recall precision.
HUST's journal the 27th volume 7 phase Guo in 1999 praises girl and waits in the parallel domain splitting algorithm automatically generated at finite element grid, point out this algorithm generation recurrence method Network Based, the subregion collection of balance can be generated, the border structure of subregion is simple, processing time is short, the final mesh shape generated is even, without singular elements.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provide a kind of power network resources GIS application grid cutting method based on GIS platform, the design and implimentation of power network resources GIS application grid segmentation technique, can according to the operation state information of the position of power network resources equipment and power network resources, stress and strain model is carried out in geographic area in GIS platform by the parallel domain splitting algorithm adopting finite element grid automatically to generate, with coordinate and power network resources device data for relying on, grid regions is carried out to the Index Algorithm of cumulative index, improve GIS platform operational efficiency.
The present invention is achieved through the following technical solutions:
Based on a power network resources GIS application grid cutting method for GIS platform, its special character is: comprise the following steps:
(1) GIS power network resources platform back-end server coding and deployment, real-time reception power network resources text marking information;
(2) according to position and the operation of power networks status information of power network resources equipment, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(3) establishment of dynamic call layer algorithm and deployment, can carry out logical process according to the position of power network resources equipment and operation of power networks status information, call GIS platform correlogram layer data;
(4) write cumulative index algorithm according to power network resources device location and operation of power networks state, based on the multiple approximate indexing means of R-tree, improve GIS platform recall precision;
(5) GIS platform rear end institute's package information pushing to GIS platform front end;
(6) GIS platform front end action listener, writes event listener in the display container of GIS platform front end, listens to GIS platform Back end data and pushes;
(7) GIS platform front end display container shows relevant effect.
Power network resources GIS application grid cutting method based on GIS platform of the present invention, the method is based on power network resources, and it comprises the following steps:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to GIS platform front end power network resources bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
Power network resources GIS application grid cutting method based on GIS platform of the present invention, the method is based on Meteorological Services platform, and it comprises the following steps:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to meteorological related data bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
Beneficial effect of the present invention: geographic area stress and strain model automaticity is higher, the demand of meeting spatial data diversity, resource dynamic, and does not affect GIS platform operational efficiency.Based on power network resources device location and operation of power networks state, automatically stress and strain model can be carried out in the geographic area in GIS platform, for various user provides spatial Information Service fast and efficiently.For GIS platform power network resources device location and operation of power networks status information set up rational index, accelerate data reading performance using redundancy, ensure the uniqueness of power network resources device location and operation of power networks status information data, reduce GIS platform access disk number of times, improve recall precision.
(4) accompanying drawing explanation
Accompanying drawing 1 is process flow diagram of the present invention;
Accompanying drawing 2 is GIS platform front end container schematic diagram.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.The power network resources GIS application grid cutting method based on GIS platform of this embodiment, comprises the following steps:
(1) GIS power network resources platform back-end server coding and deployment, real-time reception power network resources text marking information;
(2) according to position and the operation of power networks status information of power network resources equipment, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(3) establishment of dynamic call layer algorithm and deployment, can carry out logical process according to the position of power network resources equipment and operation of power networks status information, call GIS platform correlogram layer data;
(4) write cumulative index algorithm according to power network resources device location and operation of power networks state, based on the multiple approximate indexing means of R-tree, improve GIS platform recall precision;
(5) GIS platform rear end institute's package information pushing to GIS platform front end;
(6) GIS platform front end action listener, writes event listener in the display container of GIS platform front end, listens to GIS platform Back end data and pushes;
(7) GIS platform front end display container shows relevant effect.
Design and implimentation based on the GIS application grid segmentation technique of power network resources:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to GIS platform front end power network resources bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
Design and implimentation based on the GIS application grid segmentation technique of Meteorological Services platform:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to meteorological related data bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
Wherein,
GIS is the English abbreviation of Geographic Information System (Geographic Information System).GIS platform general set map edit, inquiry, location, amplify, reduce, network analysis, path analysis, equivalently analyzes, the functions such as DEM analysis.
Front end container: front-end user interface is made up of assembly.A container is a particular components that can comprise other assemblies, as shown in Figure 2.
Claims (3)
1., based on a power network resources GIS application grid cutting method for GIS platform, it is characterized in that: comprise the following steps:
(1) GIS power network resources platform back-end server coding and deployment, real-time reception power network resources text marking information;
(2) according to position and the operation of power networks status information of power network resources equipment, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(3) establishment of dynamic call layer algorithm and deployment, can carry out logical process according to the position of power network resources equipment and operation of power networks status information, call GIS platform correlogram layer data;
(4) write cumulative index algorithm according to power network resources device location and operation of power networks state, based on the multiple approximate indexing means of R-tree, improve GIS platform recall precision;
(5) GIS platform rear end institute's package information pushing to GIS platform front end;
(6) GIS platform front end action listener, writes event listener in the display container of GIS platform front end, listens to GIS platform Back end data and pushes;
(7) GIS platform front end display container shows relevant effect.
2. the power network resources GIS application grid cutting method based on GIS platform according to claim 1, is characterized in that: the method is based on power network resources, and it comprises the following steps:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to GIS platform front end power network resources bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
3. the power network resources GIS application grid cutting method based on GIS platform according to claim 1, is characterized in that: the method is based on Meteorological Services platform, and it comprises the following steps:
(1) the writing of GIS platform back-end server code, writes GIS platform front end Container Code according to meteorological related data bandwagon effect;
(2) action listener is carried out to GIS platform front end container;
(3) GIS platform back-end services is built;
(4) according to power network resources device location and operation of power networks dynamic data, the parallel domain splitting algorithm adopting finite element grid automatically to generate, carries out stress and strain model to geographic area in GIS platform;
(5) according to power network resources device location coordinate and operation of power networks status data calling graph layer data;
(6) write cumulative index algorithm according to power network resources device location and operation of power networks state, apply the multiple approximate index research based on R-tree, method, improve GIS platform recall precision;
(7) GIS platform Back end data push products is write;
(8) GIS platform front end container shows according to functional requirement;
(9) code compilation and deployment.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112381324A (en) * | 2020-11-27 | 2021-02-19 | 广东电网有限责任公司肇庆供电局 | Gridding inspection resource optimization system based on GIS information |
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