Generation of 3D Model for Urban area using Ikonos and Cartosat-1 Satellite Imageries with RS and GIS Techniques

Rajpriya, N. R.; Vyas, A.; Sharma, S. A.

Urban design is a subject that is concerned with the shape, the surface and its physical arrangement of all kinds of urban elements. Although urban design is a practice process and needs much detailed and multi-dimensional description. 3D city models based spatial analysis gives the possibility of solving these problems. Ahmedabad is third fastest growing cities in the world with large amount of development in infrastructure and planning. The fabric of the city is changing and expanding at the same time, which creates need of 3d visualization of the city to develop a sustainable planning for the city. These areas have to be monitored and mapped on a regular basis and satellite remote sensing images provide a valuable and irreplaceable source for urban monitoring. With this, the derivation of structural urban types or the mapping of urban biotopes becomes possible. The present study focused at development of technique for 3D modeling of buildings for urban area analysis and to implement encoding standards prescribed in "OGC City GML" for urban features. An attempt has been to develop a 3D city model with level of details 1 (LOD 1) for part of city of Ahmedabad in State of Gujarat, India. It shows the capability to monitor urbanization in 2D and 3D.

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Rajpriya, N. R. / Vyas, A. / Sharma, S. A.: Generation of 3D Model for Urban area using Ikonos and Cartosat-1 Satellite Imageries with RS and GIS Techniques. 2014. Copernicus Publications.

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