Vũ Thanh Nguyên
Abstract: HoChiMinh city is processing the project ”HoChiMinh city geographic Information System – HCMGIS” to support for the reform in administration and urban management. This project is general project for urban management in HoChiMinh city by using GIS technology. HCM city map base data were build but notopology. Author and his colleagues reseached some algorithms and solutions to converse GIS data notopo to GIS data topo, setup topo conversion tools and using that data to built many applications to serve HCM GIS as plan problem, traffic problem, electric power problem, post problem…
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