用于地形生成,Overview TerraVisionTM is a distributed, interactive terrain visualization system developed by SRI International. It allows users to navigate, in real time, through a 3-D graphical representation of a real landscape created from elevation data and aerial images of that landscape. The TerraVision system is available under Win dows and Silicon Graphics machines. It comes as a standalone application as well as a Netscape plugin version and an ActiveX component. This user guide is provided to give you help installing, running, and using the TerraVision system. For the latest version of all TerraVision resources, please refer to the web page http://www.tvgeo.com/. dows and Silicon Graphics machines. It comes as a standalone application as well as a Netscape plugin version and an ActiveX component. This user guide is provided to give you help installing, running, and using the TerraVision system. For the latest version of all TerraVision resources, please refer to the web page http://www.tvgeo.com/.