With the development of virtual reality technology and the Internet,especially people’sincreasing demand for tourism,virtual tour has attracted worldwide attention. Research anddevelopment on virtual roaming system of scenic spot has become a hot spot in field of virtualreality. Technique of virtual roaming of scenic spot is an important branch of Virtual Reality,and it applies graphic image technology of computer for constructing the scenic spots that areeither existed or not, and then use the 3D programmi...