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A method of providing power grid map vector data

A vector data and power grid technology, which is applied in vector format still image data, geographic information database, still image data retrieval, etc., can solve the problems of poor user experience and time-consuming, etc., to improve storage efficiency, improve efficiency, save The effect of the process

Pending Publication Date: 2020-11-10
CHINA ELECTRIC POWER RES INST +2
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  • Description
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Problems solved by technology

With the rapid development of GIS applications and Web GIS, the data volume of vector data continues to increase. The traditional vector data transmission method takes a long time under the limited network bandwidth, and the user experience is extremely poor.

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  • A method of providing power grid map vector data

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Embodiment Construction

[0018] In order to better understand the present invention, the method and system of the present invention will be further described below with reference to the description of the embodiments in conjunction with the accompanying drawings.

[0019] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In the embodiments, well-known methods, procedures, components have not been described in detail so as not to unnecessarily obscure the embodiments.

[0020] see figure 1 As shown, the present invention provides a method for providing grid map vector data, which is applied to a grid map business application system, comprising the following steps:

[0021] The data collection step is to collect grid data from the power system, and use manual import or a...

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Abstract

A method of providing power grid map vector data is applied to a power grid map business application system and comprises a data acquisition step, a data preprocessing step, a superposition step, a storage step, a slicing step, an indexing step, a slice storage step, a demand receiving step, an allocation and search step and a providing step. The slicing time of map tiles and the storage space ofthe map tiles are solved, the map slicing data is automatically stored so that slicing storage efficiency is improved, an index directory is established for the map slicing data, browsing and query ofcustomers are facilitated, and the map response speed is increased.

Description

technical field [0001] The invention belongs to the technical field of electric power geographic information, and in particular relates to a method for providing grid map vector data. Background technique [0002] With the development of geospatial data acquisition technology, many functional institutions and research groups at home and abroad have been able to obtain higher-resolution image maps more conveniently. In particular, the rapid advancement of UAV aerial photography technology has made it possible to obtain high-resolution image data sets in counties and regions. High-resolution image data is generally stored in a disk file system as a large number of raster data in the same format that is continuous in geographical distribution and discrete in file storage, but the large-scale nature of the data limits its efficient organization and indexing in traditional relational databases Access becomes the efficiency bottleneck of its rapid visualization. [0003] With th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F16/56
CPCG06F16/29G06F16/56
Inventor 王宪金欢王轶马潇王寒
Owner CHINA ELECTRIC POWER RES INST
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