+ \rectnode{p_ac_ca}[9,3](4,23.5)
+ \freetext(4,24.5){Berechnung der $p_{a \rightarrow c}$ bzw. $p_{c \rightarrow a}$:}
+ \freetext(4,23.5){$\displaystyle p_{c \rightarrow a}=\sum_{amorphe Nachbarn} \frac{a_{ap}}{\textrm{Abstand}^2} + b_{ap} + a_{cp}c_{\textrm{Kohlenstoff}}$}
+ \freetext(4,22.5){$\displaystyle p_{a \rightarrow c}=1-p_{c \rightarrow a}$}
+ \diredge{rand1}{p_ac_ca}
+ \textnode{ac}(4,21){Zelle $(x,y,z)$ amorph?}
+ \diredge{p_ac_ca}{ac}
+ \textnode{d_c}(2,19.5){Zufallszahl $< p_{a \rightarrow c}$ ?}
+ \textnode{d_a}(6,19.5){Zufallszahl $< p_{c \rightarrow a}$ ?}
+ \diredge{ac}{d_a}
+ \edgetext{ac}{d_a}{nein}
+ \diredge{ac}{d_c}
+ \edgetext{ac}{d_c}{ja}
+ \textnode{amount_c}(4,16.5){$\textrm{gesamter Kohlenstoff} < \textrm{steps} * c_{ratio}$ ?}
+ \diredge{d_c}{amount_c}
+ \diredge{d_a}{amount_c}
+ \textnode{make_c}(1,18){Zelle $(x,y,z) = \textrm{kristallin}$}
+ \textnode{make_a}(7,18){Zelle $(x,y,z) = \textrm{amorph}$}
+ \diredge{d_c}{make_c}
+ \edgetext{d_c}{make_c}{ja}
+ \diredge{d_a}{make_a}
+ \edgetext{d_a}{make_a}{ja}
+ \diredge{make_c}{amount_c}
+ \diredge{make_a}{amount_c}
+ \rectnode{rand2}[5,3](1.5,14)
+ \freetext(1.5,15){zufaellige Koordinaten:}
+ \freetext(1.5,14){$p(x)dx=dx$}
+ \freetext(1.5,13.5){$p(y)dy=dy$}
+ \freetext(1.5,13){$p(z)dz=(a_{cd}*z+b_{cd})dz$}
+ \diredge{amount_c}{rand2}
+ \freetext(3,16){ja}
+ \rectnode{inc_c}[5,1.5](1.5,11)
+ \freetext(1.5,11){Erhoehe $c_{Kohlenstoff}(x,y,z)$}
+ \freetext(1.5,10.5){Erhoehe gesamten Kohlenstoff}
+ \diredge{rand2}{inc_c}
+ \textnode{d_d}(5,9.5){Diffusion}
+ \diredge{inc_c}{d_d}
+ \diredge{amount_c}{d_d}
+ \edgetext{amount_c}{d_d}{nein}