vrml浏览控制的图形界面设计，自动漫游，视点跳转，浏览控制方法的设计。对vrml三维用户界面的设计有很大参考价值。,vrml browser graphical interface designed to control, automatic roaming, Viewpoint Jump, browse the design of control methods. Vrml three-dimensional user interface for the design of great re