Chroma Key: Difference between revisions

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{{tropeUseful Notes}}
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* As did the film adaptation of ''[[Sin City]]'', in order to re-create all those stylistic comic-book-style angles.
* ''[[Mirror Mask]]'' does the same, in a very ''very'' trippy way.
* [[The Movie]] adaptation of Frank Miller's ''[[300]]'' was filmed almost entirely in Chroma Key. [[Watchmen (film)|The Movie]] of Alan Moore's ''[[Watchmen]]'']] (by the same director) uses a combination of chroma key and traditional sets.
* The live-action movie of ''[[Speed Racer (film)|Speed Racer]]'' was filmed almost entirely on green screen to give it an anime-style effect.
* The ''[[Star Wars]]'' prequels helped pioneer the idea of minimal set design through Chroma Key.
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* At the Walt Disney Studios, [[Ub Iwerks]] developed the sodium vapor process, in which the actors were filmed against a white backdrop lit with powerful sodium lights. A special prism in the camera separated the image and exposed it simultaneously on two different film stocks: regular color film, which did not pick up the sodium light, and black and white film sensitive to sodium light, which created the matte. The process was used for most Disney productions, including ''[[Song of the South]]'', ''[[Mary Poppins]]'' and ''[[The Black Hole]]'', and was also used for ''[[The Birds]]'' and a number of [[Ray Harryhausen]] movies. Although it provided better results than blue screen, and saved time by creating the matte simultaneously with the foreground footage, the process proved too expensive and was discontinued by the 1980s.
* Used a bit in ''[[Who Framed Roger Rabbit?]]'', as you can see [http://www.youtube.com/watch?v=u_VnHAy1Vdc here].
* In the ''[[Harry Potter (film)|Harry Potter]]'' films, the invisibility cloak is, of course, created with a chroma key green cloak. Chroma key is obviously also used for scenes with [[Flying Broomstick]]s and so forth. As as far as sets go, the ''Potter'' filmmakers tend to prefer building real sets and usually just use chroma key to fill in scenery out a window, for example. However, there have been at least two all-CGI sets in the series, the [http://www.youtube.com/watch?v=dVxh9AYZZs8 Hall of Prophecy] from ''[[Harry Potter and the Order of the Phoenix (film)|Harry Potter and the Order of the Phoenix]]'' (because they couldn't do the scene where all the shelves crash down for real) and the Chamber of Secrets in ''[[Harry Potter and the Deathly Hallows]], - Part 2]]'' (the original Chamber set from ''[[Harry Potter and Thethe Chamber of Secrets (film)|Harry Potter and the Chamber of Secrets]]'' was real, but wasn't saved after filming).
* As mentioned above, [[Ray Harryhausen]] used the sodium vapor process on a number of his films. For instance, it's used to achieve some of the scale effects in ''The Three Worlds of Gulliver''. More subtly, in ''[[Jason and the Argonauts]]'', in the scene where Jason is talking to Medea at the stern of the ''Argo'', you have to look closely to realize that they were filmed in the studio with location footage of the rest of the ship matted in behind them.
* In ''[[Chitty Chitty Bang Bang]]'', blue screen was obviously used for the [[Flying Car]] scenes. Obvious because [[Special Effects Failure|you can see blue matte lines around the actors in several shots]].
 
== [[Live Action TV]] ==
* [[ANTA.N.T. Farm]] uses this when Olive paints Chyna's bedroom wall green during a slumber party, Chyna uses [[Stock Footage]] from a movie for her background while video chatting with Lexi, to prove that her slumber party is cooler than Lexi's. Everyone in the background is at least 10 years older than Chyna and are dressed like they're in a nightclub. [[Idiot Ball|It works even when Olive puts on a hoodie the same color as the green wall]], which blanks out everything except her head until Chyna covers it up. Lexi doesn't catch on until [[Stock Footage Failure|a ninja drops in and]] [[Did Not Do the Research|attacks the people in the nightclub.]]
* ''Drew Carey's Green Screen'' was an improv comedy show that expanded on the green screen antics used on ''[[Whose Line Is It Anyway?|Whose Line Is It Anyway]]''.
* E!'s ''[[The Soup]]'' (and its predecessor ''Talk Soup'') is videotaped entirely in front of a green screen. This led to a particularly memorable incident when a guest wore a pair of Italian flag briefs, which made it appear as if a portion of his pelvis was missing.
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* Used extensively and to great effect (sometimes) in [[Filmation]]'s ''The Ghost Busters'' for the Ghost Dematerializer visual effects.
* The British version of [[MTV 2]] has a flagship show called Gonzo, consisting entirely of host Zane Lowe sat on a brown couch in front of a blue screen. The show is "as live" and therefore no corrections are made when items like guests' clothing match the background and disappear.
* The PBS astronomy show ''[[Jack Horkheimer Star Gazer|Jack Horkheimer: Star Gazer]]'' is done entirely like this.
* The Irish political debate show "Tonight with Vincent Browne" uses a ridiculously obvious blue screen. It shines on to the faces of guests or, in the case of the host, gives him a [http://www.youtube.com/watch?v=HzVLSn-96tE very strange blue afro.]
* While a lot of the scenes actually were filmed on location, in some of the cosmic calendar and Library of Alexandria scenes in [[Cosmos]], you can see this effect around [[Carl Sagan]]. It's combined with Motion Control to make it look as if he's walking through model sets. Apart from a few full-size props the entire Library of Alexandria is actually a model, and the effect is highly convincing.
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* [[The Angry Joe Show|Angry Joe]] uses it as his background.
* [[The Spoony Experiment|The Spoony One]] will bring it out every once in a while for their skits in reviews.
* ''[[User Friendly]]'' has [https://web.archive.org/web/20190505202611/http://ars.userfriendly.org/cartoons/?id=20051211 a blue screen joke]. Ouch.
 
== [[Western Animation]] ==
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{{reflist}}
[[Category:Camera Tricks]]
[[Category:Chroma Key{{PAGENAME}}]]
[[Category:Special Effects]]