22中英文双语外文文献翻译成品：基于Unity3D的虚拟现实(VR)新方法

p外文标题 A New of Virtual Reality Based on Unity3D 外文作者 Sa Wang, Zhengli Mao, Changhai Zeng, Huili Gong, Shanshan Li, Beibei Chen 文献出处 International Conference on Geoinatics , 2010 1-5 英文 2987 单词， 15889 字符，中文 5089 汉字。 nbsp;此文档是外文翻译成品，无需调整复杂的格式哦下载之后直接可用，方便 快捷只需二十多元。 nbsp;AbstractIn the area of geographic ination system, there are always two s to get 3D virtual reality, one is to use a 2D professional plat such as ArcGIS software to get the virtual reality by secondary development, the other is to use a 3D or 2.5D software as a plat for development, such as the Skyline software. In this paper, we will use a different plat, Unity3D, which is usually treated as game development software, as a virtual reality development plat. Firstly, the hierarchical approach of geographic ination system is adopted in the study area, and the area is divided into four layers Terrain Layer, Building Layer, Transport Layer, Vegetation Layer, additionally, the raw data of Terrain Layer is obtained by GPS measurements. Secondly, all the geographical entities which related to different layers are converted to 3D model by AutoCAD and 3dsMax software. Thirdly, the 3D models are imported into the Unity3D, and programming with Javascript language in Visual Programming Language Editor in order to achieve Gameobjects and Scenes. Lastly, the Scenes are integrated and published on the network. The attribute data of study area is stored by MySQL which is connected with Unity game plat by external interface. Visitors can download the ActiveX control to browse the study area, the scene is keep on updating 60 times per second, the viewer will subconsciously and immediately immersed in the virtual scene for spontaneous exploration and observation. With a full range of personalized mode of operation, the users can choose their own way to browse and participate in the virtual reality, and give full play to their imagination according to their own wishes witho/p