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Multivariate Data Fusion Method Based on 3DGIS and its Application in Engineering Management

In the life-cycle engineering management of a project, a large amount of diversified and heterogeneous data is involved. How to efficiently manage and visualize various data sources is the basis for realizing the refined management of project construction. Based on the concept of data fusion, this article sorts out the multiple data involved in project engineering management, analyses the data fusion method and process of multivariate structured data and geospatial data. By combining 3DGIS in data integration, management and visualization, data fusion and expression in a three-dimensional environment can be realized. Taking the engineering management system of the bank slope of Song Gang Area as an example, it verifies the validity of the multivariate data fusion method based on 3DGIS in this paper.