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Data migration method crossing GIS platforms

A platform and data technology, applied in the field of power grid data migration across GIS platforms, can solve problems such as inability to batch process, difficulty in ensuring data integrity, unsatisfactory flexibility and scalability, etc., and achieve the effect of long data migration time

Active Publication Date: 2013-12-11
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1
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Problems solved by technology

This solution can realize data migration from the old GIS platform to the new GIS platform, but there are defects such as many processing steps and the inability to batch process, the processing efficiency is low, and it is difficult to ensure the integrity of the data
[0006] Establishing an intermediate library in a relational database: It is realized by using a relational database to establish temporary table storage. Generally, only the data model of the new GIS platform is considered as the exchange model. This solution can ensure that data can be quickly migrated from the old GIS platform to the new GIS The platform is migrating, but the flexibility and scalability are not ideal

Method used

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Embodiment Construction

[0034] The cross-GIS platform power grid data migration method of the present invention is further described in conjunction with the accompanying drawings:

[0035] 1. Constructing a GIS platform-independent heterogeneous exchange model

[0036] In addition to solving the problem of correspondence between the old and new models, data migration should also consider the generality of the scheme. The present invention follows the ECIM specification, creates a heterogeneous exchange model independent of the GIS platform, and realizes mutual conversion of data between different GIS platforms (such as ArcGIS to GTechnology platform, SmallWorld to GTechnology platform, etc.), and establishes new and old data by using configuration tables. The corresponding relationship between the models realizes the exchange between heterogeneous platforms through configuration. The exchange model includes attribute domain, spatial domain and topological relational domain.

[0037] 1) Attribute do...

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Abstract

The invention discloses a power grid data migration method crossing GIS platforms. The method includes the following steps of building an isomerism exchange model on GIS platform independence, extracting old GIS platform power grid data, processing extracted data, adding the extracted data into the isomerism exchange model, and leading the data in the isomerism exchange model into a new GIS platform model. Aiming at defects of existing data migration technologies crossing the GIS platforms, the method provides a more flexible data migration scheme crossing the platforms, and the data migration scheme accords with ECIM laws. The method solves the problems that halt is needed in the process of data migration; data migration time is long; a repair function is not provided for data migration; flexibility and expansibility lack in data migration crossing the platforms.

Description

technical field [0001] The invention relates to a data migration method of a power grid system, in particular to a cross-GIS platform power grid data migration method capable of realizing zero downtime of data migration and double-track operation of old and new GIS platforms. Background technique [0002] With the development of computer technology in the field of power grids, various provinces and cities have successively established power grid spatial geographic information systems (GIS). Since there is no unified standard in the early stage of construction, such as the coordinate system and data model of power grid GIS, in order to standardize the management of power grid GIS data , When establishing a unified GIS platform, it involves the migration of power grid data across GIS platforms. Grid data migration across GIS platforms includes the processing of information such as coordinate systems, equipment graphics, equipment attributes, connection relationships, inclusion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 杜旭颜璟仪刘森裴求根骆书剑甘杉高晓静汤彧关志伟陈灏生梁炽生
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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