Minority Report (film) was envisioned in 1999. Underkoffler, who designed most of Anderton's interface after Spielberg told him to make it "like conducting an orchestra", said "it would be hard to identify anything [in the movie] that had no grounding in reality." McDowell teamed up with architect Greg Lynn to work on some of the technical aspects of the production design. Lynn praised his work, saying that "[a] lot of those things Alex cooked up for "Minority Report", like the 3-D screens, have become real." Spielberg described his ideas for the film's technology to Roger Ebert before the movie's release: "Minority Report" was
Directed set this article) assume that a directed set is directed upward, unless otherwise stated. Beware that other authors call a set directed if and only if it is directed both upward and downward. Directed sets are a generalization of nonempty totally ordered sets. That is, all totally ordered sets are directed sets (contrast "partially" ordered sets, which need not be directed). Join semilattices (which are partially ordered sets) are directed sets as well, but not conversely. Likewise, lattices are directed sets both upward and downward. In topology, directed sets are used to define nets, which generalize sequences and unite the various