T2-3D: Battle Across Time simultaneously at 30 frames per second. Several elements of "T2 3-D: Battle Across Time" have been patented by Universal, including the seat drop effect, the blending of live action and film, the trio of projection screens, and the simulated assault weapons. The film was shot at the abandoned Eagle Mountain iron ore mine, just north of Desert Center in California. The cast and crew from the first two Terminator films returned for the shoot, including Arnold Schwarzenegger as The Terminator, Linda Hamilton as Sarah Connor, Robert Patrick as T-1000, and Edward Furlong as John Connor. To achieve the 3-D effect
Terminator 2: Judgment Day "Cleopatra" (1963), would have cost $219 million in 1995 dollars. Despite the significant expenditure, the film had nearly recovered its budget prior to its release. Worldwide rights were sold for $65 million, video rights for $10 million, and television rights for $7 million. "Terminator 2" made extensive use of computer-generated imagery (CGI) to vivify the main two Terminators. The use of such technology was the most ambitious since the 1982 and 1984 science fiction films "Tron" and "The Last Starfighter" respectively, and would be integral to the critical success of the film. CGI was required particularly for the T-1000, a