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基于VRML的航道虚拟场景的建立
引用本文:殷佩生,魏玲.基于VRML的航道虚拟场景的建立[J].河海大学学报(自然科学版),2005,33(2):212-215.
作者姓名:殷佩生  魏玲
作者单位:河海大学交通学院、海洋学院,江苏,南京,210098
摘    要:通过建立航道虚拟场景,把AmInfo,VRML技术以及脚本程序相结合,利用ArcIrffo进行地形样点数据的预处理并实现地形面的三维建模,得到虚拟场景的对象;用VRML添加光源、背景、材质等场景信息对场景进行渲染;用Script节点设定对象的行为,增强VRML的动画与交互功能,可以较快地实现从离散地形数据到虚拟航道场景的浏览.

关 键 词:航道虚拟场景  地形建模  VRML  JavaScript
文章编号:1000-1980(2005)02-0212-04
修稿时间:2005/4/8 0:00:00

VRML-based establishment of virtual channel scene
YIN Pei-sheng,WEI Ling.VRML-based establishment of virtual channel scene[J].Journal of Hohai University (Natural Sciences ),2005,33(2):212-215.
Authors:YIN Pei-sheng  WEI Ling
Abstract:The method of establishment of virtual channel scene includes the following steps, i.e. pretreatment of sampling data of terrain, 3-D modeling of terrain, and design of virtual scene. In combination with the VRML technique, ArcInfo was adopted for 3-D modeling of terrain to obtain the virtual scene of objectives, VRML was used for adding the scene information, such as luminaries, background, and material, to embellish the scene, and Script node was employed to set the behavior of objectives so as to intensify the animated and interactive functions of VRML. The method makes the virtual channel scene established more quickly and conventionally from discrete data of terrain.
Keywords:virtual channel scene  modeling of terrain  VRML  JavaScript
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