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3D urban geographic information system (GIS) is of great importance in urban planning, management and decision support. However, the system development is difficult from the infrastructure perspective or expensive based on the professional GIS platform. Therefore, this paper puts forward the development method of 3D urban GIS with the Unity3D game platform. The thought and technical framework are...
This study aims at revealing how land use and land cover change in the typical watershed (Luoyugou Watershed) of Loess Plateau over past 20 years. Based on the remote sensing imagery data and topographic map, a four-stage (1986, 1995, 2001 and 2008) spatial data base was established with ArcGIS software. Demographic data, agricultural economic data and other auxiliary data were collected from national...
This paper used RS and GIS techniques analyzed the landscape structure and changes in Cheng-Yu Economic Zone during its rapid urbanization and discussed the primary driving factors by means of canonical correlation method. And comes to these conclusions: (1) Considering the human disturbance and landscape anti-disturbance in landscape classification, statistical analysis showed that farmland was the...
It can serve for the city planning scientifically and improve the people's knowledge about the detailed surroundings by evaluation of urban environment status from high resolution satellite images. Environmental factors such as vegetation type and coverage, water area and water pollution can be known from the images directly, the population density can be calculated from the building structure, the...
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