Abstract
With the strong development of science and technology, web-based mapping applications have shown superior advantages over traditional map representation methods. The paper discusses methods and steps taken to build a 3D geospatial information system. The main objective of this study is to propose the process of creating a 3D virtual city map on the Web. Key steps in the process include gathering geospatial information, building 3D models, and visualizing 3D city-based city data. Building 3D virtual city application on Web based on 3DCityDB platform. It is an open source software package that allows efficient storage, management, and display of 3D city models in CityGML format. The test results show that the application of open source to create 3D virtual maps on the Web has many advantages such as saving time, cost and utilizing many existing data sources in building applications. 3D virtual city data mining application.
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