/usr/share/k3d/lsystem/tropism.ls is in k3d-data 0.8.0.3-3build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | # --- L-System Parser/Mutator --- Lj Lapre ----------------------------------
#
# This file is to show the effect of gravity on a form.
# By the use of the new tropism command. First try it
# with the current rules. Then try C=tFC for rule 3.
# ^
#
36 # recursion
10 # basic angle
100 # thickness
#
A # axiom
#
A=B>(10)A # rule 1 : add a branch and roll 10 deg right
B=[&(45)C] # rule 2 : pitch down 45 deg and start a branch
C=FC # rule 3 : expand a branch with a forward element
@ # end of ls
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