A GIS-Based Forest Visual Simulation System

Authors:
Qizhi Yu;Chongcheng Chen;Zhigeng Pan;Jianwei Li
Affiliations:
Zhejiang University and Fuzhou University;Fuzhou University and Ministry of Education;Zhejiang University;Fuzhou University and Ministry of Education
Venue:
ICIG '04 Proceedings of the Third International Conference on Image and Graphics
Year:
2004

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Abstract

This paper reports on a visual simulation system that supports GIS-based realistic modeling and real-time rendering of forest scenes. Geometric models of trees are automatically generated according to inventory database and pre-designed template models. A combined image and geometry representation method for 3D tree model is given with a specific level of detail algorithm for ensuring real-time frame rates. We have tested and evaluated the system in applications of walkthrough simulation and forest fire visualization.