File extension tgd information

The file extension TGD is a file extension that is associated with the Terragen 2 Technology Preview 1 World file. The Terragen is used in the Mac OS and Windows as a scenery generator for work-in-progress. All the information that would have formerly been found in the .TER and .TGW files from the original Terragen can be found in this file. The file extension can only be used by the Terragen 2 Technology Preview 1. The Terragen 2 Technology Preview is a new, visualization, cutting edge landscape software that is the first public release of Planetside Software.
The TG2 Technology Preview, which is available for the Mac OS and the Windows operating systems, has an advanced hybrid micropolygon renderer feature that consists of powerful displacement capabilities that are multi-angle. The software has a procedural engine that is versatile and can be used for application of subpixel-level detail to nearly any scene aspect. Billions of polygons can be rendered in a single scene with the Terragen 2. The Terragen 2 Technology Preview can be found both as free download and also as a pre-purchase option for the Terragen 2.