 Post production took almost a year. The film was edited on an Avid,  with an HD cut also maintained in Final Cut Pro The 3D was made  using Maya, XSI, and Lightwave The 2D composites were made with  Shake, Inferno, Fusion, and Combustion. The filmmakers prefer  Macintosh, but large portions of the movie were made under Linux.  Asset management was handled by custom software written in the  Panorama development environment, made by Provue. Color management  was handled by Truelight software. The film was scanned on a  northlight scanner and was recorded on the arrilaser. Most of the  film was shot at high speed, between 50 and 150fps. Normal film is  at 24fps. The film was transferred to HD SR tape and quicktime, and  HD quicktimes were the basis for the HD preview cuts. The working  resolution for the film was 2K, at a working aspect ratio of 2.11:1  and a projected aspect ratio of 2.39:1.