With the development and maturity of virtual reality technology,architecture roaming, as a representative of virtual reality technology, is rapidly developing and attracting more and more attention. To carry out building roaming based on virtual reality technology is in the planning and design stage that can make people in the virtual3 D environment, full range, more intuitive scene to provide information to people,people can enjoy the experience of reality in this virtual environment bring the atmosphere. Compared with the traditional graphic renderings and models, architectural walkthrough c...