the National Basic Research Program of China ("973") (Grant No. 2006CB705500);the National Natural Science Foundation of China (Grant No. 40571134);the National Hi-Tech Research and Development Program of China (Grant Nos. 2007AA12Z241, 2007AA12Z212);Outstanding Scholar of Ministry of Education of China (Grant No. NCET-07-0643)
multi-resolution TIN model is an important issue in the contexts of visu-alization,virtual reality (VR),and geographic information systems (GIS). This paper proposes a new method for constructing multi-resolution TIN ...