Study on 3D visualization application for the Grand Canal heritage site research

Xiaoping Du; Xiangtao Fan; Jian Tan; Junjie Zhu

doi:10.1117/12.873346

3 November 2010 Study on 3D visualization application for the Grand Canal heritage site research

Xiaoping Du, Xiangtao Fan, Jian Tan, Junjie Zhu

Proceedings Volume 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications; 78411Y (2010) https://doi.org/10.1117/12.873346
Event: The Sixth International Symposium on Digital Earth, 2009, Beijing, China

Abstract

This study focuses on two problems in 3D visualization application for heritage site research. Firstly, methods for large scale terrain modeling and rendering were presented. Complex virtual environments were constructed with sequences of remote sensing images and DEM data. The algorithm of precise 3D scenes modeling was optimized. At the same time, the spatial index of quadtree and the images cache management strategies were introduced for improving the performance of interactive 3D visualization system. A novel method creating a mapping between 3D models and the image textures were put forward, so that the models and the textures can be managed respectively. As a result, the capacity of massive 3D terrain surface models management was enhanced as well as the real-time rendering was accelerated. Secondly, methods for 3D culture relics modeling were presented. The culture relics and ancient buildings of the Canal were simulated, which will contribute to its reconstruction and protection. Some ancient water facilities such as ship-lock and docks models and animated navigation scenes were created based on the construction principle and architecture of the Canal transport hub.

Citation Download Citation

Xiaoping Du, Xiangtao Fan, Jian Tan, and Junjie Zhu "Study on 3D visualization application for the Grand Canal heritage site research", Proc. SPIE 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications, 78411Y (3 November 2010); https://doi.org/10.1117/12.873346

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