If this fantastic simulacra isn?t enough for you, Robot Gunslinger also has ultrasonic hearing and magnified, infrared vision ? demonstrated by the first ever use of computer generated imagery in a film ?

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Now, thanks to advances in computer generated imagery, there was the strong potential for the idea that filmmakers could literately create anything onscreen and create it in such a way that audiences could believe their eyes if but for a moment.

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Organisations including Ash Wales and the British Heart Foundation told AMs that they believed there was no justification for lifting the ban in Wales and that alternative means could be found of filming smoking scenes, including artificial cigarettes and computer generated imagery (CGI).

BBC: Casualty

Today, the majority of visual effects are achieved through the use of computer-generated imagery (CGI).

BBC: By James Christie

The set was rudimentary: the control room of the satellite-communication center would be completed with computer-generated imagery, imagined by the Wachowskis down to the minutest detail.

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One difference: In the Victorian era, Pepper's Ghost was normally used to reflect actual, physical objects or actors, making them appear "dimensional" in ways that the projected or computer-generated imagery typically used today do not.

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Walt Disney Pictures came to Comic-Con in 2008 with test footage from what was then referred to as "TR2N, " a sequel to the 1982 cult classic "Tron, " one of the first films to use computer-generated imagery.

CNN: The long rollout: Studios build early buzz at Comic-Con