Information point clustering method based on geographic information system

A technology of geographic information system and clustering method is applied in the field of information point clustering based on geographic information system to achieve the effect of realizing cluster display and avoiding secondary development.
CN104090959AInactive Publication Date: 2014-10-08STATE GRID CORP OF CHINA +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
STATE GRID CORP OF CHINA
Publication Date
2014-10-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides an information point clustering method based on a geographic information system. The information point clustering method includes the following steps that according to the geographic position, the proportional scale and the display size of a display area, the range of data participating in clustering is determined; the sizes of clustering areas are defined, and grid division and serialized storage are carried out on the display area based on the definition; according to the determined range of the data, coordinate information points meeting the range requirement are loaded, and an information point sequence is formed; according to the clustering areas, one information point is sequentially taken out from the information point sequence, and whether the information point is located in a certain clustering area is judged; if yes, one is added to the number counted by a counter of the current clustering area, and the information point is concealed; otherwise, a next information point is taken out, and the processing step is executed; the above steps are executed repeatedly, and all the clustering areas stored in a serialized mode are processed until all the clustering areas with grid division are processed; a clustering result is displayed on a display screen according to clustering objects and the geographic position, the proportional scale and the display size of the display area.
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Description

technical field

[0001] The invention relates to the technical field of data information clustering processing, in particular to an information point clustering method based on a geographic information system. Background technique

[0002] Power transmission and transformation project construction management is mainly divided into line engineering and substation project. Due to the actual situation of power transmission and transformation project construction, it has a close relationship with geographic information. display and management.

[0003] The current management system based on geographic information system has the same problem as other software systems: the demand will change with the change of management requirements, and the change of demand will bring about constant changes in development. Therefore, The problem addressed by the present invention is how to avoid or reduce the work of system development while realizing the expansion of the business field. Conte...

Claims

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