Models at multiple level of detail are widely used in real time rendering of complex 3d scene, flight simulator, 3d animation, interactive visualization, and virtual reality.
它可用在复杂3d场景快速绘制、飞行模拟器、3d动画、交互式可视化和虚拟现实等应用系统中。
Virtual campus can show interactive 3d campus scene factually, there is no time and space restriction.
虚拟校园打破了时空的限制，真实、直观地展现交互式三维校园场景。
The main works of this paper are as follows: 1. Building the 3D scene through the new networking-based interactive 3D modeling software standard—X3D.
本文的主要工作内容为如下几个方面：一，利用基于网络传播的交互三维建模的新软件标准X3D来构建系统中大坝三维场景文件；
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