XRadiance is the first Photon Tracing using the power of the pipeline of your graphic board (GPU), to compute your images with a great level of quality. It enables users to browse in real time, in 3D scenes. Special effects available are Depth of field, fog, Lens flare. A tree, describes the scene and allows the user to edit all parameters like Photon Tracing Parameters, Camera, Ligths, Meshes, Materials in real time.