[1]College of Computer and Information,Hohai University,Nanjing,China;
[1]College of Computer and Information,Hohai University,Nanjing,China;
[1]College of Computer and Information,Hohai University,Nanjing,China;
[1]College of Computer and Information,Hohai University,Nanjing,China;
3D digital river; Arcscene; Sketchup; Arcengine; 3D modeling;