Wikipedia
SpeedTree is a group of vegetation programming and modeling software products developed and sold by Interactive Data Visualization, Inc. (IDV) that generates virtual foliage for animations, architecture and in real time for video games and demanding real time simulations.
SpeedTree has been licensed to developers of a range of video games for Microsoft Windows, and the Xbox and PlayStation console series since 2002.
SpeedTree has been used in more than 40 major films since its release in 2009, including Iron Man 3, Star Trek Into Darkness, Life of Pi and Birdman, and was used to generate the lush vegetation of Pandora, in Avatar.
SpeedTree was awarded a Scientific and Technical Academy Award in 2015, presented to IDV founders Michael Sechrest and Chris King, and Senior Engineer Greg Croft.