A Three-dimensional Visualization System Optimization Strategy

With the development of three-dimensional Internet (the Web3D) and virtual reality(VR), three-dimensional virtual scene is recognized by more and more people because ofits more realistic and immersive sense and better interaction. In the field of 3Dapplication, the visualization rendering system which has interactive function and canedit 3D data is widely used. Along with the gradually increasing immersive requirementson the virtual reality system, the research of more optimized visualization systemarchitecture and client display algorithm has become the focus of virtual reality field. Inthis case, the visualization system architecture and the client optimization algorithms aredeeply studied and explored in this thesis.First of all, from the viewpoint of system architecture, a three-dimensionalvisualization system architecture is put forward in this paper. The idea is proposed onhow to organize the model data and how to design 3D visualization rendering module.And the hierarchy system of this architecture is designed according to hierarchy functionsSecondly, compared with disadvantages of Java3D traditional page display, theoptimization algorithm of Java3D three-dimensional page display based on Lagrangeinterpolation method is proposed, which starts from the transmission control andimproves the efficiency of the model show by reducing the transmission of the clientmodel. Because the traditional parallel-split shadow maps algorithm can not adapt to avariety of light sources, the mapping efficiency is improved by referring to the sphericalbounding box technology, and the efficiency of the shadow rendering is improved byintroducing multi-rendering mechanism, which enhance the realism of the visualizationsystem.Finally, a three-dimensional visualization of the prototype system is developed andtested system architecture proposed in this paper. And the algorithms proposed in thisthesis include the optimization algorithm of Java3D three-dimensional page displaybased on Lagrange interpolation and improved shadow maps algorithm are also analyzedand verified. At the same time, the future research work is prospected according to the research results.