视频展台正负片操作的虚拟实验  

Switching of Image Negative or Positive Virtual Experiment of Video Presenter

作　　者：辛允东[1] 

机构地区：[1]济宁学院教育系

出　　处：《中国教育技术装备》2009年第15期97-98,共2页China Educational Technology & Equipment

摘　　要：视频展台是教学中常用的辅助媒体，正确熟练的使用可以大大提高教学效率。展台调节功能中的其中一个就是正负片的转换，通过这个切换按钮可以在正片和负片之间来回切换。Vrml语言和Java语言是做虚拟实验的常用工具，介绍如何用这两种语言实现正负片转换功能。The video presenter is the auxiliary tool in teaching progress, the appropriate and skilled usage of the media has done a iot to promote the teaching effect. The switching of image negative or positive is one of the video presenter＇ s operations. The vrml and java languages are the commonly used tools for virtual experiments, this article is to realize the operation based on the two languages.

关 键 词：VRML JAVA 虚拟实验 视频展台 正负片转换 

分 类 号：G434[文化科学—教育学]