Some notes about L-systems in Houdini. – Toadstorm Nerdblog
fit01 accepts an input that is expected to range from 0 to 1, and fits it to a new range. In this case, it’s 0.1 to 0.2. In this case, it’s 0.1 to 0.2. It’s grabbing the parameter “leafJ_scale” from the L-system, which is the name of Leaf Parameter B, which is referred to as b in rules 4 and 5.
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