A VRT file is a 3D file format that contains three-dimensional worlds that can be viewed in web browser with Viscape SVR plugin. It is used by the plugin to load and display the 3D world data to user for visualization and analysis. Information stored in a VRT file may comprise of data such as textures, sounds, dimensions, and behaviors. The most recent VRT files are stored in SVR file format which is a compressed version of the VRT file.
VRT File Format
VRT files are stored in Viscape proprietary file format and their internal file format details are not available publicly.