Researching The Technology Of Parametric 3D Modeling Of Virtual HUB

Research and application of virtual Lab , being the center of interest in the rising research in recent years, has been becoming an important component in computer application field. Research for 3d modeling of experimental instrument is the first technical problem to solve in virtual Labs. If we solve the problem , we can use these virtual instrument to make experiments in the virtual experimental scene. Aiming at the virtual lab of"computer network", this paper advance a new method of setting up 3d model of network instrument. Using parametric 3D modeling technology realizes automatism modeling of network instruments. It has realized AutoCAD the secondary development by using ObjectARX in the VC++ environment. It has realized the function of network instrument's 3d modeling by loading and executing the ARX application program in environment of AutoCAD .It has proved by practice that the method from this paper is not only feasible but also has application value. It convenient instrument modeling in virtual Lab.