Fractal trees with L-system

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Spruce


fig13 (15K)
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100
A
A=FT
T=cFFF[&B]>(180)[&B]!(.8)T
B=F!B
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fig14 (14K)
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100
A
A=FFT
T=cFFF[^B]>(100)[^B] >(120)[^B]!(.8)T
B=t(0.1)F!(.9)[^L]B
L=ZL
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fig15 (10K)
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c(1)A
A=FFT
T=FFF[^B]>(100)[^B]>(120)[^B]!(.8)T
B=t(0.05)F!(.9)[^+(40)L][^-(40)L]~(10)B
L=ZL
@
fig16 (20K)