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Originally Posted by wilko
They actually used the same technique as "polar express" - i.e. the actors acted out the film as normal for the camera, and then the resulting film was ran through a "CGI" process to apply the effects and animated feel.
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Er, not quite. They used motion capture techniques to generate motion data files. These were then applied to the character models built and rigged by a team of skilled 3D model makers and TAs. There is no CGI process that can simply 'apply the effects and animated feel'. It is not as straight forward as the old rotoscoping technique used in more traditional cell frame animation (anyone remember the original animated version of Lord of the Rings ?) It involves a lot of work adjusting the motion data to work on the models. They would have been able to use 3D scanning techniques to create accurate models of some of the main characters (note, only a few of these were done most obvious being Angelina Jolie) but even these would then require a huge amount of work to make them animatable. They used some very special surfacing techniques to produce realistic skin and a whole different technology for hair and cloth. Dragons have to be done by hand as there is nothing they can motion capture to reproduce their movements. Likewise mermaids :grin:
Quote:
Originally Posted by wilko
So the reason that they look like the actors is because they are the actors.......if that makes sense. Its not an animated film in the traditional sense.
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Again, not quite. Motion capture can only do so much. It does not reproduce skin colour, hair, clothing or sweat. These have to be created by the animators. It's all clever stuff, but it takes alot more than pressing a few buttons in a computer program to create. If you watch again, look at how bad the hand movements are. These do not transfer well to motion capture. Even worse, take a close look at any sequences with horses. That was dire :( I'll try and track down a good online feature about how they did it all later.