航道通航时空数据组织与可视化表达研究

doi:10.3976/j.issn.1002-4026.2018.04.017

Abstract

Abstract:

In order to solve the semantic independence and heterogeneity of GIS data resources in channel, the paper analyzed the structure and management mechanism of metadata and proposed a distributed spatial data organization storage method based on XML. According to the level and relevance of the geographical location distribution of the main elements of the channel, the method established a spatiotemporal integrated data storage model with spatial reference. On this foundation, the paper realized visualization of spatial and temporal data, which applied such as spatiotemporal GIS multidimensional modeling technology, terrain scene construction technology, discrete observation data interpolation technology, etc. Taking the upper reaches of the Yangtze River as an example, multisource heterogeneous data fusion organization was realized and an application system was developed based on threetier technical architecture, which was applied to ship navigation and auxiliary decisionmaking successfully. Application results show that the study can effectively solve the difficulties of data organization and visualization in complex waterway environment, and provide security guarantee and support for ship navigation.

Key words: channel navigation, multi-source heterogeneous data, visualization, XML, distributed organization, GIS

CLC Number:

U692.3+7

BI Jin-qiang, XIN Quan-bo, XU Jia-shuai, SHANG Dong-fang, KOU Li-ying. Research on spatiotemporal data organization and visualization of navigation in channel[J].SHANDONG SCIENCE, 2018, 31(4): 110-117.

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Research on spatiotemporal data organization and visualization of navigation in channel

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