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Watching movies, whether on the silverscreen or at your home-theatre, usually entails a suspension of disbelief. Particularly if the film were about something out of the ordinary, you would usually expect to be treated with no less than the best of eye candy–namely the visual effects. Sometimes we tend to take for granted the effort that people have put into creating the final product, and focus on the flaws, inconsistencies, and what-could-have-beens. But at the end of the day, each live-action sequence, each digitally-rendered frame represents both an accomplishment and a learning experience for the people involved.

Comicon.com interviews Rich Hoover, Visual Effects Supervisor at Sony Pictures Imageworks, who supervised visual effects in this summer’s big-screen comeback of the Man of Steel, Superman Returns.

When asked about the most difficult shot to achieve, he explained that it was the CG sequences that presented the biggest challenges. “In a live action film, the goal is to make these scenes that integrate into the film and don’t look computer generated,” Hoover said. “For example, the shuttle disaster scene was very difficult – it was almost entirely digital. The Imageworks team worked on the film for about 18 months total including the research and design and six months of that time was dedicated to the pre-visualization, the execution, and the finals of the shuttle sequence.”

Hoover said it is also challenging to make a scene look “natural” in a live action film if it involves real places and real situations that the audience is very familiar with.

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When all was said and done, Hoover and his team were pleased with every scene they worked on, but there was one scene that stood out in his mind as the best. “There was a shot called ‘Listening Post’ where Superman is hovering over the world listening,” Hoover began. “It was entirely digital and we worked on it for a long time, trying out many ideas and techniques to bring it to the screen. That shot definitely represents everything that we learned throughout this process and it was one of the best moments in the film.”