Figure 8
Algorithm for simulating cell fields. The algorithm simulates the formation of a clone of N cells from a single cell and incorporates cell growth and movement. u[d,d] represents a two dimensional uniform distribution from -d to d (e.g., a cell can move to anywhere within the square with length of the side equals to 2d). d1 and d2 describe how much cells spread apart after cell division. t d corresponds to the average generation time of t g , and t m indicates the average time a cell moves. If the d1 and d2 are the same, large t d and small t m will result a more compact colony, while small t d and large t m will result a sparser colony.