COMPOSITING FIRE AND SMOKE
Jeff Olson explains an incredibly busy shoot, drawing in elements of live action, pyrotechnics, water and models into CG
“the pyro team built up some cannons and we fired them against a black background because the smoke and the fire looked really good on that, you can extract it and you don’t need a blue or a green.”
to prepare, it was mostly a matter of talking to the pyro team, having tried their many mixtures of chemicals to get the right look against the background; the team shot at least 100 cannon balls. these were used later to paste in and composite in to the film to line up with the models that were built elsewhere during the battle.
“It became a real combination of practical work – the model shoots, as well as the compositing of timing and stitching it together so it was seamless. It was quite a project and quite well received I thought.”