Research On Road-based Virtual Reality Modeling And Information Inquiry System

Virtual-Reality technology is defined as a virtual environment which is an integration of sight, hearing, touch and smell based on computers and series of computers and auxiliary facilities about sensing. Such as the integration of the virtual environment to the natural environment with virtual objects in real-time interaction, mutual influence, which have a sense of feeling.With the improvement of the requirement about landscape in highway engineering design, visualization technology is applied to highway engineering landscape design and pre-estimation, combining with virtual-reality technology and database query and display technology. 3Dmax modeling software is used to set a three-dimension model. A method combined with VC++ and OpenGL is adopted to explore and exploit virtual signal path and its roaming system.Combine with MFC and ACCESS database to realize the functions of roaming and exhibition of query information related to signal path. This paper is carried out on the basis of the research of the virtual-reality technology at home and abroad.At the same time, this article in response to the current virtual reality systems, the prevailing model of the scene complexity and interactive nature of the contradiction between real-time, to find a way to compromise the relative, that is, the virtual scene for the specific model of the structure and the existence of state, the use of different modeling methods, making the model of simple construction, as far as possible to minimize system overhead and improve operating efficiency.Finally, this article on the Virtual Reality, OpenGL and related technologies are introduced, the focus of the virtual roaming and inquiry methods to achieve the research, given the thinking of the whole system of programming, including basic model, model introduction, roaming, as well as control and to achieve a combination of roaming and searching, and practical problems encountered are described, pointing out the inadequacies, for further direction of research.