virtual production
One of the most well-known methods of virtual production involves creating a real time virtual rendered scene using a game engine surrounding physical props and actors using an LED wall. When the camera moves, the virtual environment on the LED wall shifts perspective as well, using gaming technologies to navigate a virtual landscape. The unison of movement between camera and imagery is called the parallax, creating the illusion of a physical location. Live camera tracking translates accurate camera movements into the rendering platforms where they are realized in real time.
The rise of virtual production
For several years now, Chetty's been at the forefront of helping traditional filmmakers and content creators transition their skills to creating content entirely inside of Unreal Engine.
As Epic Games Unreal Online Learning Producer, he works with industry authors to create the latest in Epic-approved online training materials for the use of UE in film, television and virtual production.
Chetty is also helping develop an innovative new realtime technical art and virtual production course at CG Spectrum (an Unreal Academic Partner), to help equip traditional content creators with knowledge of the engine and surrounding pipelines including basic rigging and animation, how to build film quality environments, lighting, and atmospherics, plus how to pair these skills with their real world equivalents for roles on a stage volume.
The virtual production studio: The Volume
Virtual production has led to a new stage known as The Volume. It is an enclosed set made up of LED walls and ceilings. Flat overhead screens can cause some distortion, which may be resolved with the evolution of domed LED ceilings.
The automation of the Volume stage means that production times and set ups are being greatly reduced or even circumvented. A tool called Stage Manager allows presets for locations, camera angles and lighting set ups that would normally take hours to establish on set. This can all be done via switchboard, allowing for instant set up changes, tracking scenes and version numbers, all operating as multi-user sessions in separate virtual workspaces.
The Volume allows for live in-camera set extensions, crowd duplication, green screen plus a number of other features.
Virtual production innovators Stargate Studios’ custom stages use True View technologies and offer scalable studio design with adjustable walls, different resolution screens, interactive lighting that is tied to the screens, and different types of tracking depending on interiors or exteriors.
There are currently around 100 LED stage volumes around the world, with at least 150 more in the works.
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