VTour from REALVIZ helps users create photorealistic 3D environments from 2D pictures or panoramas. VTour draws on the technology from two other REALVIZ products, Stitcher and ImageModeler. To begin, VTour requires an image or panorama file for operation. For still images, VTour supports image files of any size in a number of industry-standard file formats, such as JPG, TIF, PNG and PSD. It also supports panorama files in several different configurations: full sphere images (360x180 degrees), full cylindrical images (360 degrees) and cubical images, plus spherical, cylindrical and cubical QuickTime VR movies.