Method of real-time generation of urban disaster thematic map based on network information

Abstract

The invention provides an urban disaster thematic map real-time generating method based on network information. The method comprises the following steps that S1, the urban disaster information is obtained from networks in real time; S2, the urban disaster information is subjected to automatic place name recognition and is then subjected to spatial orientation; S3, the semantic mapping technology based on space time correlation rules is applied, and the urban disaster information subjected to the spatial orientation is subjected to semantic parsing; S4, the urban disaster information subjected to the semantic parsing is subjected to spatial data mining with graphic correlation, and the urban disaster thematic data with graphic spatial correlation is generated; S5, the urban disaster thematic data are subjected to visual representation, and an urban disaster thematic map is generated. The urban disaster thematic map real-time generating method has the advantages that the urban disaster information can be obtained in real time, the obtained urban disaster information is subjected to intelligent mining, the urban disaster thematic map is quickly generated and dynamically issued, and the quick generation and dynamical issuing level of the urban disaster thematic map is improved, and service is provided for urban management and emergency relief.

Description

technical field [0001] The invention belongs to the technical field of disaster information management, in particular to a method for real-time generation of urban disaster thematic maps based on network information. Background technique [0002] Urban disaster thematic map is a kind of thematic map, and the automation of thematic map design and production is the goal that cartography workers have been striving for. In order to achieve this goal, cartography experts have gone a long way and made unremitting explorations, which are mainly divided into the following stages: [0003] In the first stage, the expert system mapping technology that emerged in the 1980s and 1990s made a beneficial attempt for the automation of thematic map production, summed up a large amount of knowledge and experience in thematic mapping, and regularized, organized, and algorithmized a lot of mapping knowledge, effectively Guided the design and production of thematic maps. However, the cartograp...

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Problems solved by technology

[0006] However, the above-mentioned mapping software is not fully applicable to the thematic mapping of urban disasters. The complexity of software operation and the lack of functions of the software itself restrict the generation of thematic maps of urban disasters, especially in the aspects of map formation and symbol automation. Human-computer interaction is still required To be done

At present, the drawing tools have cumbersome processes and complex processing in practical applications, which require high professional quality and software operation level for drawing personnel, and cannot meet the requirements for fast and automatic processing of massive data in the practical process.

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