scorpion5 Posted September 29, 2009 Share Posted September 29, 2009 hello,I'm a new guy here. what's the meaning of $ in Lsystem?I'm confused. for example : premise X rule1 X=+[F]$+[F] why is angle like that? Quote Link to comment Share on other sites More sharing options...
Macha Posted September 29, 2009 Share Posted September 29, 2009 (edited) The $ symbol allows you to set the turtle's up vector. This is useful if you attach objects and need to have them face a certain direction. The reason Lsystem grammar is different from that of the rest of Houdini is because the people who invented it where mathematicians and botanists. It's primarily been designed as a language to describe and model the topology generated by cell division, and plant morphology. Edited September 29, 2009 by Macha Quote Link to comment Share on other sites More sharing options...
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