9/15/03
2
StarLogo Simulation of Streaming Aggregation
1. chemical
diffuses
2. if cell is
refractory (yellow)
3. then chemical
degrades
4. else (itÕs
excitable, colored white)
1. if chemical
> movement threshold then
take
step up chemical gradient2. else if
chemical > relay threshold then
produce
more chemical (red)become
refractory3. else wait