supported by the National Natural Science Foundation of China (Grant No. 60502008);the National High-Tech Research & Development Program of China (Grant Nos. 2006AA12Z220,2007AA12Z226);Program for New Century Excellent Talents in University (Grant No. NCET-07-0099)
This paper presents an efficient way to render large-scale vector maps on level-of-detail (LOD) digital elevation models (DEMs). By using the frame buffer and Voronoi diagram, we achieve a rapid simplification of ...