SIRT's New Truss System

February 8, 2019

Our Virtual Production Lead, Spencer Idenouye, explains the advantages of the new motion capture system structure and how it will improve a variety of different activities including full body performance capture as well as real-time green screen compositing.

A new truss system has been installed at SIRT Stage 10 that will expand our capabilities to a whole new level! The large aluminum structure spans an impressive 40 feet by 70 feet in parameter and reaches approximately 23 feet high. The previous motion capture system consisted of 24 free-stands which made them susceptible to any kind of movement. Fortunately, with the new truss system, the cameras are securely, and safety mounted up and out of reach from any direct contact that could interrupt the precision and positioning of the equipment.

Unlike the original motion system which could only accommodate 6 people at a time, the new truss system space now allows us to reliably support 10 or more people depending on the type of projects being done. The system will also improve a wide variety of different activities including full body performance capture as well as real-time green screen compositing. Furthermore, it will allow all motion capture cameras to be activated and working at the same time as the green screen becomes lit from our grit lighting above. This will now allow us to perform live action compositing on green screen in real-time into a computer-generated environment. The conversions of these technologies together all happening within a game engine is something we are trying to achieve and is now possible with our new truss system.

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