3D modeling of terrace in the Loess Plateau

Weixing Wang; Jinjin Zhang; Jianhua Gong

doi:10.1117/12.812662

3 November 2008 3D modeling of terrace in the Loess Plateau

Weixing Wang, Jinjin Zhang, Jianhua Gong

Proceedings Volume 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments; 71433J (2008) https://doi.org/10.1117/12.812662
Event: Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 2008, Guangzhou, China

Abstract

With the development of 3DGIS and virtual geographic environments, it is important and necessary to represent terrain in a more vivid form but keep geographic information precise too. At present, there is less study on the 3D representation of micro-landform in comparison with large scale 3D modeling of terrain. Regarding the building of a simulation environment that reflects the real situation of the Loess Plateau, it's necessary to consider the features of microlandform. This paper aims to explore the way of building 3D model of terrace in the Loess Plateau, which is a typical landscape in the region. According to the characteristics of terrace, level terrace, the most common type, is considered as a modeling object and a new method of feature based TIN (Triangular Irregular Network) modeling is put forward. Two key techniques regarding the method are terraces' feature extracting and the obtaining of object's elevation of points in each feature line to make TIN interpolation.

Citation Download Citation

Weixing Wang, Jinjin Zhang, and Jianhua Gong "3D modeling of terrace in the Loess Plateau", Proc. SPIE 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 71433J (3 November 2008); https://doi.org/10.1117/12.812662

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