Editing Trainspotting (film) (section)

===Pre-production===
McGregor read books about [[crack cocaine|crack]] and heroin to prepare for the role. He also went to Glasgow and met people from the Calton Athletic Recovery Group, an organisation of recovering heroin addicts, who play the opposing football team in the opening credits. He was taught how to cook up heroin with a spoon using [[glucose]] powder.<ref name="jolly">{{cite news|last = Jolly|first = Mark|title = ''Trainspotting''s Engine That Could|work = [[Interview (magazine)|Interview]]|page = 107|date = August 1996|access-date = 11 October 2009|url = http://www.interviewmagazine.com/film/new-again-trainspotting/print/|archive-date = 27 February 2016|archive-url = https://web.archive.org/web/20160227112131/http://www.interviewmagazine.com/film/new-again-trainspotting/print/|url-status = dead}}</ref> McGregor considered injecting heroin to better understand the character, but eventually decided against it.<ref name="grundy2"/> Many of the book's stories and characters were dropped to create a cohesive script of adequate length. Danny Boyle had his actors prepare by making them watch older films about rebellious youths like ''[[The Hustler]]'' and ''A Clockwork Orange''.<ref>{{Cite news|title = Live and Let Die|url = http://www.slate.com/articles/arts/movies/1996/07/live_and_let_die.html|newspaper = Slate|date = 23 July 1996|access-date = 16 February 2016|issn = 1091-2339|first = Michael|last = Wood|archive-date = 24 February 2016|archive-url = https://web.archive.org/web/20160224192907/http://www.slate.com/articles/arts/movies/1996/07/live_and_let_die.html|url-status = live}}</ref>

The main cast of the film attended Calton Athletic Recovery Group's self-help meetings to prepare for their roles in the film. The Calton Athletic Football Club appears in a [[Cameo appearance|cameo]] scene at the beginning of the film.<ref>{{Cite web |title=The effects of playing football… |url=https://www.caltonathleticrecoverygroup.com/football |access-date=2024-08-05 |website=Calton Athletic Recovery Group |language=en-US}}</ref><ref>{{Cite web |title=Seriously..., Seriously... - The real-life addicts who inspired Trainspotting |url=https://www.bbc.co.uk/programmes/articles/14prW9s3BfR8jMv27vT2PY7/the-real-life-addicts-who-inspired-trainspotting |access-date=2024-08-05 |website=[[BBC Radio 4]] |language=en-GB}}</ref><ref>{{Cite web |last=Catlin |first=Karin Goodwin, Photos: Angela |date=2016-02-23 |title=The Real-Life Addicts Who Taught the 'Trainspotting' Cast How to Be Junkies |url=https://www.vice.com/en/article/calton-athletic-trainspotting-20th-anniversary/ |access-date=2024-08-05 |website=[[Vice Media]] |language=en}}</ref>