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Real-Time Ray Tracing
Ray tracing techniques have long been used in film, television, and visualization for rendering photo-realistic images for a long time but required powerful computers and time to render each image or frame. For film and television, it can take many hours or even days to render out high-quality image sequences, but the final result can create real-life 3D content that can blend seamlessly with real-life ones. For architectural visualization companies, ray tracing has meant creating beautiful renders for the automotive industry or showing what a densely-filled house or office complex could look like when complete all while achieving realistic-looking results.
The power of Unreal Engine 4 (UE4) combined with Real-Time Ray Tracing (RTRT) makes it possible to create interactive experiences with subtle lighting effects comparable with many offline renderers in real time. Ray tracing effects look more natural, producing soft shadowing for lights, accurate ambient occlusion (AO), interactive global illumination, reflections and more.
Real-time rendering of Ray Tracing features in the Archviz Interior sample project available on the Epic Games Launcher.