Gone in 60 Nanoseconds: Transient Light Transport in Villa Müller

<p>Simulation of transient light transport in a model of the Villa M&uuml;ller in Prague. This used 200M transient photons and spans 100nsec. The building is shown as two cross-sectional views as seen facing northwest and southeast. This visualisation reveals many transient phenomena, including prominent colour bleeding and specular reflections from the red marble floor in the dining hall and dining room, some of which ripples back upstairs from this area. In addition, there is diffuse interreflection between adjacent walls in the upper stairwell, which cast shadows revealing the handrails.</p>